fc-magnetite: src/g23m-aci/l2p/l2p.c annotate

annotate src/g23m-aci/l2p/l2p.c @ 460:4d4f0bba9469

doc/D-Sample written

author	Mychaela Falconia <falcon@freecalypso.org>
date	Mon, 19 Mar 2018 18:45:16 +0000
parents	53929b40109c
children

rev	line source
162 53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2 +-----------------------------------------------------------------------------
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	3 \| Project : BAT L2P ()
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	4 \| Modul : BAT_L2P
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	5 +-----------------------------------------------------------------------------
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	6 \| Copyright 2005 Texas Instruments Berlin, AG
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	7 \| All rights reserved.
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	8 \|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	9 \| This file is confidential and a trade secret of Texas
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	10 \| Instruments Berlin, AG
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	11 \| The receipt of or possession of this file does not convey
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	12 \| any rights to reproduce or disclose its contents or to
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	13 \| manufacture, use, or sell anything it may describe, in
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	14 \| whole, or in part, without the specific written consent of
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	15 \| Texas Instruments Berlin, AG.
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	16 +-----------------------------------------------------------------------------
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	17 \| Purpose : L2P function definitions
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	18 +-----------------------------------------------------------------------------
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	19 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	20 #include "typedefs.h" /* to get TI data types */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	21 #include "vsi.h" /* to get a lot of macros */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	22 #include "l2p_types.h"
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	23 #include "l2p.h"
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	24
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	25 #include "string.h"
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	26
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	27 T_L2P_CONTROL_BLOCK l2p_control_block_list = (T_L2P_CONTROL_BLOCK )0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	28
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	29 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	30 ** Local function declarations
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	31 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	32 static char L2P_write_data_to_seg(char writePtr, char *dataPtr, U16 dataSize, U16 remain_seg_size,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	33 U16 *bytesWritten);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	34
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	35 static char L2P_read_data_from_seg(char readPtr, char *writePtr, U16 dataSize, U16 remain_seg_size,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	36 U16 *bytesWritten);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	37
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	38
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	39 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	40 ** L2P function definitions
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	41 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	42
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	43 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	44 +--------------------------------------------------------------------+
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	45 \| PROJECT: BAT L2P MODULE: L2P \|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	46 \| STATE : code ROUTINE: L2P_Configure \|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	47 +--------------------------------------------------------------------+
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	48
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	49 PURPOSE : L2P_Configure will initiaise the L2P for each instance of BAT Lib or BAT Module
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	50 that wishes to use its services. The following is a list of the parameters, and their uses:
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	51
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	52 batId : A identifer to uniquely identify each instance of BAT using this L2P
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	53 mem : A block of memory for L2P to use as a Control Block (L2P cannot allocate its own memory)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	54 num_mux_chnls: The number of clients being supported at the application end (this information is
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	55 passed to BAT Module as part of the startup process)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	56 protocolId : The protocol being used to communicate with the peer entity
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	57 maxMTU : Maximum size of a transport unit.
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	58 xxx_CB : These are callback functions, provided by the BAT Lib or BAT Module, to provide necessary
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	59 services to L2P to get Send and Receive buffers, Send the Frames and receive fully
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	60 completed packets
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	61
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	62 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	63 T_L2P_STATUS L2P_Configure(U8 batid, void *mem,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	64 T_L2P_SUPPORTED_PROTOCOLS protocolId,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	65 U16 maxMTU,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	66 L2P_Get_Tx_Buf_CB Get_Tx_Buf_Cb,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	67 L2P_Get_Rx_Buf_CB Get_Rx_Buf_Cb,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	68 L2P_Get_Next_Seg_CB Get_Next_Seg_Cb,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	69 L2P_Send_Frame_CB Send_Frame_Cb,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	70 L2P_Msg_Rxd_CB Msg_Rxd_Cb)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	71 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	72 T_L2P_CONTROL_BLOCK **curr_lcb_next_ptr;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	73 T_L2P_CONTROL_BLOCK *current_l2p_cntrl_block;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	74 T_L2P_CONTROL_BLOCK this_l2p_cntrl_block = (T_L2P_CONTROL_BLOCK )mem;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	75
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	76 TRACE_EVENT("L2P_Configure");
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	77 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	78 ** check the incoming paramters to ensure they are valid
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	79 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	80 if (mem == (void *)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	81 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	82 TRACE_EVENT("L2P_Configure - Mem pointer Invalid");
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	83 return L2P_STAT_INVALID_PARAMETER;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	84 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	85
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	86 /* protocolId is a non-negative value(so <0 check not reqd) */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	87 if ( protocolId >= L2P_SP_MAX_NUM )
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	88 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	89 TRACE_EVENT("L2P_Configure - Protocol Id Invalid");
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	90 return L2P_STAT_INVALID_PARAMETER;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	91 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	92
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	93 if (maxMTU <= (L2P_FRAME_CONTROL_SIZE))
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	94 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	95 TRACE_EVENT("L2P_Configure - Max MTU value Invalid");
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	96 return L2P_STAT_INVALID_PARAMETER;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	97 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	98
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	99 if (Get_Tx_Buf_Cb == (L2P_Get_Tx_Buf_CB)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	100 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	101 TRACE_EVENT("L2P_Configure - Get Tx Buffer Callback Invalid");
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	102 return L2P_STAT_INVALID_PARAMETER;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	103 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	104
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	105 if (Get_Rx_Buf_Cb == (L2P_Get_Rx_Buf_CB)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	106 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	107 TRACE_EVENT("L2P_Configure - Get Rx Buffer Callback Invalid");
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	108 return L2P_STAT_INVALID_PARAMETER;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	109 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	110
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	111 if (Get_Next_Seg_Cb == (L2P_Get_Next_Seg_CB)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	112 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	113 TRACE_EVENT("L2P_Configure - Get Next Segment Callback Invalid");
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	114 return L2P_STAT_INVALID_PARAMETER;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	115 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	116
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	117 if (Send_Frame_Cb == (L2P_Send_Frame_CB)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	118 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	119 TRACE_EVENT("L2P_Configure - Send Frame Callback Invalid");
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	120 return L2P_STAT_INVALID_PARAMETER;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	121 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	122
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	123 if (Msg_Rxd_Cb == (L2P_Msg_Rxd_CB)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	124 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	125 TRACE_EVENT("L2P_Configure - Message Received Callback Invalid");
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	126 return L2P_STAT_INVALID_PARAMETER;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	127 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	128
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	129 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	130 ** initialise the data in the passed block of data
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	131 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	132 this_l2p_cntrl_block->batId = batid;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	133 this_l2p_cntrl_block->frameId = 0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	134 this_l2p_cntrl_block->protocolId = protocolId;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	135 this_l2p_cntrl_block->maxMTU = maxMTU;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	136 this_l2p_cntrl_block->rxBuf = (char *)0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	137 this_l2p_cntrl_block->muxId = 0xFD; /* Any value here will be a valid client Id, but this one is unlikely ... it MUST be initialised correctly before each use */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	138 this_l2p_cntrl_block->cmdTagReceived = 0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	139 this_l2p_cntrl_block->receivedCmdTag = 0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	140 this_l2p_cntrl_block->dataSize = 0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	141 this_l2p_cntrl_block->bytesToBeRead = 0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	142 this_l2p_cntrl_block->dataToBeRead = (char *)0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	143
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	144 this_l2p_cntrl_block->callbacks.Get_TxBuf_Cb = Get_Tx_Buf_Cb;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	145 this_l2p_cntrl_block->callbacks.Get_RxBuf_Cb = Get_Rx_Buf_Cb;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	146 this_l2p_cntrl_block->callbacks.Get_Next_Seg_Cb = Get_Next_Seg_Cb;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	147 this_l2p_cntrl_block->callbacks.Send_Frame_Cb = Send_Frame_Cb;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	148 this_l2p_cntrl_block->callbacks.Msg_Rxd_Cb = Msg_Rxd_Cb;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	149
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	150 this_l2p_cntrl_block->next = (void *)0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	151
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	152 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	153 ** Check that the batId is not already in use
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	154 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	155 if (l2p_control_block_list != (T_L2P_CONTROL_BLOCK *)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	156 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	157 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	158 ** Parse the list until either the batId is found (which would be an error)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	159 ** or the batId is larger than the one passed (ie the current batId is not in the list, and is thereofre valid)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	160 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	161 curr_lcb_next_ptr = &l2p_control_block_list;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	162 current_l2p_cntrl_block = l2p_control_block_list;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	163
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	164 while ((current_l2p_cntrl_block != (T_L2P_CONTROL_BLOCK *)0) &&
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	165 (current_l2p_cntrl_block->batId < batid))
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	166 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	167 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	168 ** Jump to the next node on the linked list,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	169 ** keeping track of the previous node so we can add in the details later
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	170 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	171 curr_lcb_next_ptr = &current_l2p_cntrl_block->next;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	172 current_l2p_cntrl_block = current_l2p_cntrl_block->next;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	173 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	174
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	175 if (current_l2p_cntrl_block == (T_L2P_CONTROL_BLOCK *)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	176 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	177 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	178 ** BAT Id was not found ... and we've reached the end of the list
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	179 ** need to add the details at the end of the linked list
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	180 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	181 *curr_lcb_next_ptr = this_l2p_cntrl_block;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	182 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	183 else if (current_l2p_cntrl_block->batId == batid)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	184 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	185 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	186 ** BAT Id was found in the current list ... it is already configured ... send an error
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	187 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	188 TRACE_EVENT("L2P_Configure - BAT Id Already In Use");
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	189 return L2P_STAT_BAT_ID_ALREADY_EXISTS;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	190 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	191 else
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	192 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	193 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	194 ** BAT Id was not found ... but we haven't reached the end of the list
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	195 ** need to add the details in the middle of the linked list
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	196 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	197 this_l2p_cntrl_block->next = *curr_lcb_next_ptr;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	198 *curr_lcb_next_ptr = this_l2p_cntrl_block;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	199 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	200 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	201 else
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	202 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	203 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	204 ** The linked list of BAT and L2P Control blocks is empty, this is the first instance of BAT
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	205 ** to register with the L2P. Add the details as the first entry to the linked list.
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	206 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	207 l2p_control_block_list = this_l2p_cntrl_block;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	208 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	209 return L2P_STAT_SUCCESS;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	210 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	211
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	212 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	213 +--------------------------------------------------------------------+
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	214 \| PROJECT: BAT L2P MODULE: L2P \|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	215 \| STATE : code ROUTINE: L2P_Remove \|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	216 +--------------------------------------------------------------------+
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	217
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	218 PURPOSE : L2P_Remove will delete a BAT from L2Ps service list. The following is a list of
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	219 the parameters, and their uses:
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	220
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	221 batId : A identifer to uniquely identify each instance of BAT using this L2P
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	222
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	223 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	224 T_L2P_STATUS L2P_Remove(U8 batid)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	225 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	226 T_L2P_CONTROL_BLOCK **curr_lcb_next_ptr;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	227 T_L2P_CONTROL_BLOCK *current_l2p_cntrl_block;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	228
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	229 TRACE_EVENT("L2P_Remove()");
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	230
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	231 if (l2p_control_block_list == (T_L2P_CONTROL_BLOCK *)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	232 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	233 return L2P_STAT_NO_SUCH_BAT_ID;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	234 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	235
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	236 if (l2p_control_block_list->batId == batid)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	237 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	238 l2p_control_block_list = l2p_control_block_list->next;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	239 return L2P_STAT_SUCCESS;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	240 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	241
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	242 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	243 ** Parse the list until either the batId is found
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	244 ** or the batId is larger than the one passed (which would be an error)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	245 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	246 curr_lcb_next_ptr = &l2p_control_block_list;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	247 current_l2p_cntrl_block = l2p_control_block_list;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	248
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	249 while ((current_l2p_cntrl_block != (T_L2P_CONTROL_BLOCK *)0) &&
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	250 (current_l2p_cntrl_block->batId < batid))
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	251 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	252 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	253 ** Jump to the next node on the linked list,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	254 ** keeping track of the previous node so we can add in the details later
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	255 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	256 curr_lcb_next_ptr = &current_l2p_cntrl_block->next;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	257 current_l2p_cntrl_block = current_l2p_cntrl_block->next;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	258 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	259
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	260 if (current_l2p_cntrl_block == (T_L2P_CONTROL_BLOCK *)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	261 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	262 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	263 ** BAT Id was not found and we've reached the end of the list
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	264 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	265 return L2P_STAT_NO_SUCH_BAT_ID;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	266 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	267 else if (current_l2p_cntrl_block->batId == batid)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	268 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	269 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	270 ** BAT Id was found in the current list ... remove the control balock from the linked list
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	271 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	272 *curr_lcb_next_ptr = current_l2p_cntrl_block->next;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	273 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	274 else
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	275 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	276 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	277 ** BAT Id was not found ... the current batid must be greater tahn the one passed
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	278 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	279 return L2P_STAT_NO_SUCH_BAT_ID;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	280 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	281
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	282 return L2P_STAT_SUCCESS;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	283 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	284
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	285 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	286 +--------------------------------------------------------------------+
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	287 \| PROJECT: BAT L2P MODULE: L2P \|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	288 \| STATE : code ROUTINE: L2P_Send \|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	289 +--------------------------------------------------------------------+
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	290
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	291 PURPOSE : L2P_Send will receive an AT Command Tag and its data from the L2P User, and depending on the
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	292 MTU size of the communications link being used, split the data into multiple frames and send those
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	293 Frames across the link. The following is a list of the parameters, and their uses:
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	294
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	295 batId : A identifer to uniquely identify each instance of BAT using this L2P
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	296 muxId : A client identifier to identify which clinet of the BAT instance either sent, or is to receive, the data.
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	297 dataTag : This is a BAT Command or Response TAG to identify which AT command is being sent. This TAG
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	298 will be sent to the peer along with the data.
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	299 dataBuf : pointer to the payload data to send
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	300 dataLen : length of the data in the 'dataBuf'
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	301 errVal : If there is a driver error, L2P_Send will return L2P_STAT_UNKNOWN_ERROR and will provide
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	302 the driver error code in errVal. This is because the number may be positive, and all errors in
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	303 T_L2P_STATUS are negative.
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	304
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	305 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	306 T_L2P_STATUS L2P_Send(U8 batId, U8 muxId, U32 dataTag, void dataBuf, U16 dataLen, int errVal)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	307 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	308 T_L2P_CONTROL_BLOCK *curr_l2p_cntrl_block;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	309 T_L2P_FRAME_CONTROL_BYTES frameCntrlBytes;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	310 U16 bytesRemainingToBeSent;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	311 U16 frameCntrlBytesToBeWritten;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	312 U16 bytesToBeWritten = 0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	313 U16 bytesWritten;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	314 U16 frameSizeReq;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	315 U16 totalBufSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	316 U16 segSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	317 U16 remainingSegSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	318 U16 totalSegSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	319 char *curTxSeg;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	320 char *dataToBeWritten = NULL;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	321 char *frameCntrlDataToBeWritten;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	322 void *seg_hdr;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	323 char *txWritePtr;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	324 char cmdTagWritten = 0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	325 int drvRetVal = 0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	326
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	327 TRACE_EVENT("L2P_Send()");
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	328
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	329 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	330 ** Check that the Bat Id is valid
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	331 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	332
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	333 curr_l2p_cntrl_block = l2p_control_block_list;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	334
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	335 while ((curr_l2p_cntrl_block != (T_L2P_CONTROL_BLOCK *)0) &&
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	336 (curr_l2p_cntrl_block->batId != batId))
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	337 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	338 curr_l2p_cntrl_block = curr_l2p_cntrl_block->next;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	339 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	340
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	341 if (curr_l2p_cntrl_block == (T_L2P_CONTROL_BLOCK *)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	342 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	343 return L2P_STAT_NO_SUCH_BAT_ID;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	344 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	345
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	346 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	347 ** Check the rest of the parameters
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	348 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	349 if ((dataBuf == (void *)0) && (dataLen != 0))
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	350 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	351 TRACE_EVENT("L2P_Send() - Invalid Data Buffer Pointer");
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	352 return L2P_STAT_INVALID_PARAMETER;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	353 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	354
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	355 if (errVal == (int *)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	356 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	357 TRACE_EVENT("L2P_Send() - Invalid Error Return Pointer");
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	358 return L2P_STAT_INVALID_PARAMETER;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	359 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	360
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	361 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	362 ** The format of an L2 frame for BAT will be as follows :
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	363 **
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	364 ** For the first frame
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	365 ** ----------------------------------------------------------------
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	366 ** \| L2 Control Bytes \| BAT Cmd TAG \| BAT Command Data \|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	367 ** \| (n Bytes) \| 4 Bytes \| (Remaining Bytes) \|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	368 ** ----------------------------------------------------------------
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	369 **
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	370 ** For any subsequent frames
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	371 ** ----------------------------------------------------------------
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	372 ** \| L2 Control Bytes \| BAT Command Data \|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	373 ** \| (n Bytes) \| (Remaining Bytes) \|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	374 ** ----------------------------------------------------------------
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	375 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	376
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	377 bytesRemainingToBeSent = dataLen + sizeof(int);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	378
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	379 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	380 ** Fill in the Frame Control Bytes
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	381 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	382 frameCntrlBytes.dataLen = dataLen;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	383 frameCntrlBytes.frame_id = 0; /* Each new packet will start with a frame Id of 0 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	384 frameCntrlBytes.frame_type = L2P_FT_UNKNOWN_FRAME_TYPE;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	385 frameCntrlBytes.mux_id = muxId;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	386 frameCntrlBytes.protocol_id = (U8)curr_l2p_cntrl_block->protocolId;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	387
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	388 while (bytesRemainingToBeSent >0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	389 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	390 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	391 ** Calculate the required size of Transmit buffer and how many frames will be required
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	392 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	393 if ((bytesRemainingToBeSent + L2P_FRAME_CONTROL_SIZE) > curr_l2p_cntrl_block->maxMTU)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	394 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	395 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	396 ** Data will not fit in a single frame, so will need to be fragmented and reassembled
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	397 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	398 frameSizeReq = curr_l2p_cntrl_block->maxMTU;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	399 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	400 else
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	401 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	402 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	403 ** Data will fit in a single frame, so will be sent complete
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	404 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	405 frameSizeReq = bytesRemainingToBeSent + L2P_FRAME_CONTROL_SIZE;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	406 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	407
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	408 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	409 ** Request the Transmit frame from the buffer
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	410 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	411 curTxSeg = (char *)curr_l2p_cntrl_block->callbacks.Get_TxBuf_Cb(batId, frameSizeReq,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	412 &seg_hdr, &totalBufSize, &segSize);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	413
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	414 if (curTxSeg == (char *)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	415 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	416 return L2P_STAT_UNABLE_TO_GET_BUFFER;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	417 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	418
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	419 totalSegSize = remainingSegSize = segSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	420
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	421 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	422 ** Now we know the size of buffer given so we can tell whether the entire message will fit in a single frame
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	423 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	424 if (totalBufSize >= (bytesRemainingToBeSent + L2P_FRAME_CONTROL_SIZE))
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	425 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	426 if (frameCntrlBytes.frame_type == L2P_FT_UNKNOWN_FRAME_TYPE)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	427 frameCntrlBytes.frame_type = (U8)L2P_FT_COMPLETE_FRAME;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	428 else
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	429 frameCntrlBytes.frame_type = (U8)L2P_FT_END_FRAME;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	430
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	431 frameCntrlBytes.frameLen = bytesRemainingToBeSent + L2P_FRAME_CONTROL_SIZE;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	432 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	433 else
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	434 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	435 if (frameCntrlBytes.frame_type == L2P_FT_UNKNOWN_FRAME_TYPE)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	436 frameCntrlBytes.frame_type = (U8)L2P_FT_START_FRAME;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	437 else
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	438 frameCntrlBytes.frame_type = L2P_FT_CONTINUATION_FRAME;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	439
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	440 frameCntrlBytes.frameLen = totalBufSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	441 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	442
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	443 txWritePtr = curTxSeg;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	444
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	445 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	446 ** We can assume that the buffer will be at least big enough for the L2 Frame Header plus some data
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	447 **
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	448 ** Write the L2 Frames Control Bytes
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	449 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	450 frameCntrlBytesToBeWritten = L2P_FRAME_CONTROL_SIZE;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	451 frameCntrlDataToBeWritten = (char *)&frameCntrlBytes;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	452
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	453 while (frameCntrlBytesToBeWritten > 0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	454 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	455 txWritePtr = L2P_write_data_to_seg(txWritePtr, frameCntrlDataToBeWritten, frameCntrlBytesToBeWritten,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	456 remainingSegSize, &bytesWritten);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	457 frameCntrlBytesToBeWritten -= bytesWritten;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	458 remainingSegSize -= bytesWritten;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	459 frameCntrlDataToBeWritten += bytesWritten;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	460
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	461 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	462 ** Frame Control Bytes are NOT included in the bytesRemainingToBeSent count so do not decrease the size!
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	463 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	464
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	465 if (txWritePtr == (char *)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	466 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	467 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	468 ** We have reached the end of the current Segment, so get the next.
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	469 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	470 curTxSeg = curr_l2p_cntrl_block->callbacks.Get_Next_Seg_Cb(batId, seg_hdr, &seg_hdr, &segSize);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	471 txWritePtr = curTxSeg;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	472 totalSegSize +=segSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	473 remainingSegSize = segSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	474 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	475 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	476
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	477 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	478 ** if necessary, write the cmd Tag into the Buffer
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	479 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	480 if ((frameCntrlBytes.frame_type == L2P_FT_COMPLETE_FRAME) \|\|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	481 (frameCntrlBytes.frame_type == L2P_FT_START_FRAME))
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	482 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	483 bytesToBeWritten = sizeof(dataTag);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	484 dataToBeWritten = (char *)&dataTag;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	485
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	486 while ((txWritePtr != (char )0) && / There is still space in the buffer segement */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	487 (!cmdTagWritten)) /* The command Tag has not completed */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	488 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	489 txWritePtr = L2P_write_data_to_seg(txWritePtr, dataToBeWritten, bytesToBeWritten,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	490 remainingSegSize, &bytesWritten);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	491 bytesToBeWritten -= bytesWritten;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	492 remainingSegSize -= bytesWritten;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	493 dataToBeWritten += bytesWritten;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	494
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	495 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	496 ** Decrement the bytesRemainingToBeSent counter
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	497 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	498 bytesRemainingToBeSent -= bytesWritten;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	499
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	500 if ((txWritePtr == (char *)0) && (totalSegSize < totalBufSize))
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	501 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	502 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	503 ** We have reached the end of the current Segment, so get the next.
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	504 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	505 curTxSeg = curr_l2p_cntrl_block->callbacks.Get_Next_Seg_Cb(batId, seg_hdr, &seg_hdr, &segSize);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	506 txWritePtr = curTxSeg;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	507 totalSegSize +=segSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	508 remainingSegSize = segSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	509 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	510
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	511 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	512 ** If the Command Tag has been completed set a flag
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	513 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	514 if (bytesToBeWritten == (U16)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	515 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	516 cmdTagWritten = 1;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	517 dataToBeWritten = (char )dataBuf; / Next Write the AT Command Data */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	518 bytesToBeWritten = dataLen;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	519 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	520 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	521 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	522
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	523 if (dataToBeWritten EQ NULL)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	524 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	525 return L2P_STAT_INVALID_PARAMETER;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	526 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	527 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	528 ** if txWritePtr is NULL at this point it is because a buffer has been completed ... drop out and perform
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	529 ** the next loop of the while statement to create the next L2 Frame in an new buffer.
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	530 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	531 while ((bytesToBeWritten > 0) && /* There is still data to write */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	532 (txWritePtr != (char )0)) / There is still space in the buffer segement */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	533 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	534 txWritePtr = L2P_write_data_to_seg(txWritePtr, dataToBeWritten, bytesToBeWritten,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	535 remainingSegSize, &bytesWritten);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	536 bytesToBeWritten -= bytesWritten;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	537 remainingSegSize -= bytesWritten;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	538 dataToBeWritten += bytesWritten;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	539
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	540 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	541 ** Decrement the bytesRemainingToBeSent counter
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	542 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	543 bytesRemainingToBeSent -= bytesWritten;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	544
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	545 if ((txWritePtr == (char *)0) && (totalSegSize < totalBufSize))
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	546 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	547 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	548 ** We have reached the end of the current Segment, so get the next.
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	549 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	550 curTxSeg = curr_l2p_cntrl_block->callbacks.Get_Next_Seg_Cb(batId, seg_hdr, &seg_hdr, &segSize);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	551 txWritePtr = curTxSeg;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	552 totalSegSize +=segSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	553 remainingSegSize = segSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	554 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	555
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	556 if ((bytesToBeWritten == (U16)0) && /* We've finished writing the data */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	557 (!cmdTagWritten)) /* but that data was the Command Tag */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	558 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	559 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	560 ** now we have to write the AT Command Data
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	561 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	562 cmdTagWritten = 1;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	563 dataToBeWritten = (char *)dataBuf;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	564 bytesToBeWritten = dataLen;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	565 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	566 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	567
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	568 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	569 ** We have built a complete L2 Frame ... that it may or may not include the complete packet it isn't important
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	570 ** but we need to send it ...
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	571 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	572 drvRetVal = curr_l2p_cntrl_block->callbacks.Send_Frame_Cb(batId);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	573 frameCntrlBytes.frame_id ++;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	574
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	575 if (drvRetVal != 0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	576 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	577 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	578 ** There was an error sending the frame
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	579 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	580 *errVal = drvRetVal;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	581 return L2P_STAT_UNKNOWN_ERROR;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	582 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	583 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	584
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	585 return L2P_STAT_SUCCESS;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	586 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	587
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	588 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	589 +--------------------------------------------------------------------+
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	590 \| PROJECT: BAT L2P MODULE: L2P \|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	591 \| STATE : code ROUTINE: L2P_Receive \|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	592 +--------------------------------------------------------------------+
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	593
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	594 PURPOSE : L2P_Receive is called on receipt of data by the BAT, BAT Command Tag is extracted and the rest
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	595 of the L2 frames are combined into a buffer and passed, complete, to the BAT. The following is a
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	596 list of the parameters, and their uses:
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	597
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	598 batId : A identifer to uniquely identify each instance of BAT using this L2P
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	599 inBuf : pointer to the received buffer
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	600 dataLen : length of the data in the 'inBuf'
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	601
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	602 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	603 T_L2P_STATUS L2P_Receive(U8 batId, void dataBuf, void seg_hdr_ptr, U16 totalsize, U16 segSize)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	604 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	605 T_L2P_CONTROL_BLOCK *curr_l2p_cntrl_block;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	606 T_L2P_FRAME_CONTROL_BYTES frameCntrlBytes;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	607 U16 frameCntrlBytesToBeRead;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	608 U16 bytesRead;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	609 U16 remainingSegSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	610 U16 totalSegSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	611 char *curRxSeg;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	612 char *rxReadPtr;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	613 char *frameCntrlDataToBeRead;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	614
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	615 TRACE_EVENT("L2P_Receive()");
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	616
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	617 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	618 ** Check that the Bat Id is valid
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	619 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	620 curr_l2p_cntrl_block = l2p_control_block_list;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	621
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	622 while ((curr_l2p_cntrl_block != (T_L2P_CONTROL_BLOCK *)0) &&
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	623 (curr_l2p_cntrl_block->batId != batId))
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	624 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	625 curr_l2p_cntrl_block = curr_l2p_cntrl_block->next;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	626 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	627
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	628 if (curr_l2p_cntrl_block == (T_L2P_CONTROL_BLOCK *)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	629 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	630 return L2P_STAT_NO_SUCH_BAT_ID;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	631 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	632
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	633 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	634 ** Check the rest of the parameters
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	635 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	636 if (dataBuf == (void *)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	637 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	638 TRACE_EVENT("L2P_Receive() - Invalid Data Buffer Pointer");
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	639 return L2P_STAT_INVALID_PARAMETER;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	640 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	641
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	642 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	643 ** Don't check the Segment Header Pointer, it is User Data and down to the
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	644 ** BAT Lib or BAT Module which pointer they pass :
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	645 ** pointer to current segment - never NULL
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	646 ** pointer to the next segment - may be NULL
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	647 **
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	648 if (seg_hdr_ptr == (void *)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	649 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	650 TRACE_EVENT("L2P_Receive() - Invalid Segment Header Pointer");
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	651 return L2P_STAT_INVALID_PARAMETER;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	652 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	653 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	654
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	655 if (totalsize <= (U16)L2P_FRAME_CONTROL_SIZE)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	656 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	657 TRACE_EVENT("L2P_Receive() - Invalid Buffer Length");
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	658 return L2P_STAT_INVALID_PARAMETER;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	659 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	660
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	661 if (segSize == (U16)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	662 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	663 TRACE_EVENT("L2P_Receive() - Invalid Segment Size");
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	664 return L2P_STAT_INVALID_PARAMETER;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	665 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	666
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	667 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	668 ** The format of an L2 frame for BAT will be as follows :
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	669 **
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	670 ** For the first frame
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	671 ** ----------------------------------------------------------------
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	672 ** \| L2 Control Bytes \| BAT Cmd TAG \| BAT Command Data \|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	673 ** \| (n Bytes) \| 4 Bytes \| (Remaining Bytes) \|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	674 ** ----------------------------------------------------------------
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	675 **
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	676 ** For any subsequent frames
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	677 ** ----------------------------------------------------------------
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	678 ** \| L2 Control Bytes \| BAT Command Data \|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	679 ** \| (n Bytes) \| (Remaining Bytes) \|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	680 ** ----------------------------------------------------------------
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	681 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	682
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	683 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	684 ** Read the L2 Frames Control Bytes
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	685 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	686 curRxSeg = (char *)dataBuf;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	687 frameCntrlBytesToBeRead = L2P_FRAME_CONTROL_SIZE;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	688 frameCntrlDataToBeRead = (char *)&frameCntrlBytes;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	689 totalSegSize = remainingSegSize = segSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	690 rxReadPtr = dataBuf;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	691
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	692 while (frameCntrlBytesToBeRead > 0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	693 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	694 rxReadPtr = L2P_read_data_from_seg(rxReadPtr, frameCntrlDataToBeRead, frameCntrlBytesToBeRead,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	695 remainingSegSize, &bytesRead);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	696 frameCntrlBytesToBeRead-= bytesRead;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	697 remainingSegSize -= bytesRead;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	698 frameCntrlDataToBeRead += bytesRead;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	699
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	700 if (rxReadPtr == (char *)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	701 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	702 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	703 ** We have reached the end of the current Segment, so get the next.
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	704 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	705 curRxSeg = curr_l2p_cntrl_block->callbacks.Get_Next_Seg_Cb(batId, seg_hdr_ptr, &seg_hdr_ptr,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	706 &segSize);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	707 rxReadPtr = curRxSeg;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	708 totalSegSize +=segSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	709 remainingSegSize = segSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	710 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	711 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	712
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	713 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	714 ** Now we have the frame Control Bytes ... so we need to determine whether we need a
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	715 ** new Rx Buffer from the user
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	716 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	717
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	718 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	719 ** If the frame Id is zero, this is a new message
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	720 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	721 if ((frameCntrlBytes.frame_id == (U8)0) &&
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	722 ((frameCntrlBytes.frame_type == L2P_FT_START_FRAME) \|\|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	723 (frameCntrlBytes.frame_type == L2P_FT_COMPLETE_FRAME)))
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	724 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	725 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	726 ** Do we already have an Rx Buffer
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	727 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	728 if (curr_l2p_cntrl_block->rxBuf == (char *)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	729 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	730 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	731 ** No -- Use the callback function to get an Rx Buffer
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	732 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	733 curr_l2p_cntrl_block->rxBuf = (char *)curr_l2p_cntrl_block->callbacks.Get_RxBuf_Cb(batId);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	734
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	735 if (curr_l2p_cntrl_block->rxBuf == (char *)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	736 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	737 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	738 ** Failed to allocate a Rx Buffer
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	739 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	740 return L2P_STAT_UNABLE_TO_GET_BUFFER;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	741 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	742 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	743 /* comment out the 'else block' because there is no functionality to go inside it
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	744 else
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	745 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	746 ** Yes -- We will overwrite it automatically ... the previous message was lost!
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	747 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	748 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	749
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	750 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	751 ** Pull the necessary data from the Frame Control Bytes
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	752 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	753 curr_l2p_cntrl_block->dataSize = frameCntrlBytes.dataLen; /* length of the Command Data (excl the CmdTag) */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	754 curr_l2p_cntrl_block->muxId = frameCntrlBytes.mux_id; /* Sender or receipient of the message */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	755 curr_l2p_cntrl_block->cmdTagReceived = 0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	756 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	757
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	758 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	759 ** if necessary, read the cmd Tag from the Buffer
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	760 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	761 if ((frameCntrlBytes.frame_type == L2P_FT_COMPLETE_FRAME) \|\|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	762 (frameCntrlBytes.frame_type == L2P_FT_START_FRAME))
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	763 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	764 curr_l2p_cntrl_block->bytesToBeRead = sizeof(curr_l2p_cntrl_block->receivedCmdTag);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	765 curr_l2p_cntrl_block->dataToBeRead = (char *)&curr_l2p_cntrl_block->receivedCmdTag;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	766
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	767 while ((rxReadPtr != (char )0) && / There is still data in the buffer segement */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	768 (!curr_l2p_cntrl_block->cmdTagReceived)) /* The command Tag has not completed */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	769 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	770 rxReadPtr = L2P_read_data_from_seg(rxReadPtr, curr_l2p_cntrl_block->dataToBeRead,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	771 curr_l2p_cntrl_block->bytesToBeRead,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	772 remainingSegSize, &bytesRead);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	773 curr_l2p_cntrl_block->bytesToBeRead -= bytesRead;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	774 remainingSegSize -= bytesRead;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	775 curr_l2p_cntrl_block->dataToBeRead += bytesRead;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	776
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	777 if ((rxReadPtr == (char *)0) && (totalSegSize < totalsize) && (curr_l2p_cntrl_block->bytesToBeRead != (U16)0))
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	778 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	779 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	780 ** We have reached the end of the current Segment, so get the next.
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	781 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	782 curRxSeg = curr_l2p_cntrl_block->callbacks.Get_Next_Seg_Cb(batId, seg_hdr_ptr, &seg_hdr_ptr, &segSize);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	783 rxReadPtr = curRxSeg;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	784 totalSegSize +=segSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	785 remainingSegSize = segSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	786 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	787
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	788 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	789 ** If the Command Tag has been completed set a flag
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	790 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	791 if (curr_l2p_cntrl_block->bytesToBeRead == (U16)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	792 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	793 curr_l2p_cntrl_block->cmdTagReceived = 1;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	794 curr_l2p_cntrl_block->dataToBeRead = (char )curr_l2p_cntrl_block->rxBuf; / Next Write the AT Command Data */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	795 curr_l2p_cntrl_block->bytesToBeRead = curr_l2p_cntrl_block->dataSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	796 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	797 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	798 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	799
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	800 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	801 ** if txWritePtr is NULL at this point it is because a buffer has been completed ... drop out and
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	802 ** wait for the next buffer which will contain the next frame.
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	803 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	804 while ((curr_l2p_cntrl_block->bytesToBeRead > 0) && /* There is still data to read */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	805 (rxReadPtr != (char )0)) / There is still data in the buffer segement */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	806 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	807 rxReadPtr = L2P_read_data_from_seg(rxReadPtr, curr_l2p_cntrl_block->dataToBeRead,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	808 curr_l2p_cntrl_block->bytesToBeRead,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	809 remainingSegSize, &bytesRead);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	810 curr_l2p_cntrl_block->bytesToBeRead -= bytesRead;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	811 remainingSegSize -= bytesRead;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	812 curr_l2p_cntrl_block->dataToBeRead += bytesRead;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	813
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	814 if ((rxReadPtr == (char *)0) && (totalSegSize < totalsize) && (curr_l2p_cntrl_block->bytesToBeRead != (U16)0))
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	815
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	816 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	817 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	818 ** We have reached the end of the current Segment, so get the next.
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	819 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	820 curRxSeg = curr_l2p_cntrl_block->callbacks.Get_Next_Seg_Cb(batId, seg_hdr_ptr, &seg_hdr_ptr, &segSize);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	821 rxReadPtr = curRxSeg;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	822 totalSegSize +=segSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	823 remainingSegSize = segSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	824 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	825
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	826 if ((curr_l2p_cntrl_block->bytesToBeRead == (U16)0) && /* We've finished writing the data */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	827 (!curr_l2p_cntrl_block->cmdTagReceived)) /* but that data was the Command Tag */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	828 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	829 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	830 ** now we have to write the AT Command Data
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	831 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	832 curr_l2p_cntrl_block->cmdTagReceived = 1;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	833 curr_l2p_cntrl_block->dataToBeRead = (char )curr_l2p_cntrl_block->rxBuf; / Next Write the AT Command Data */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	834 curr_l2p_cntrl_block->bytesToBeRead = curr_l2p_cntrl_block->dataSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	835 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	836 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	837
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	838 if (curr_l2p_cntrl_block->bytesToBeRead == (U16)0)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	839 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	840 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	841 ** We have built a complete message ... send it to the user ..
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	842 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	843 curr_l2p_cntrl_block->callbacks.Msg_Rxd_Cb(batId, curr_l2p_cntrl_block->muxId,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	844 curr_l2p_cntrl_block->receivedCmdTag,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	845 curr_l2p_cntrl_block->rxBuf,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	846 curr_l2p_cntrl_block->dataSize);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	847
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	848 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	849 ** reset the Rx values
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	850 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	851 curr_l2p_cntrl_block->rxBuf = (char *)0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	852 curr_l2p_cntrl_block->muxId = 0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	853 curr_l2p_cntrl_block->cmdTagReceived = 0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	854 curr_l2p_cntrl_block->receivedCmdTag = 0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	855 curr_l2p_cntrl_block->dataSize = 0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	856 curr_l2p_cntrl_block->dataToBeRead = (char *)0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	857 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	858
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	859 return L2P_STAT_SUCCESS;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	860 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	861
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	862
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	863 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	864 +--------------------------------------------------------------------+
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	865 \| PROJECT: BAT L2P MODULE: L2P \|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	866 \| STATE : code ROUTINE: L2P_write_data_to_seg \|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	867 +--------------------------------------------------------------------+
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	868
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	869 PURPOSE : L2P_write_data_to_seg is a local function to write a piece of data into a buffer segment. The buffer
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	870 segment may, or may not be big enough to hold the entire piece of data. If the segment is full when
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	871 the data has been written then the function will return a NULL pointer, otherwise it will return a pointer
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	872 to the next location to receive data.
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	873 The following is a list of the parameters, and their uses:
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	874
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	875 writePtr : pointer to the start location to write the data to
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	876 dataPtr : pointer to the data to be written
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	877 dataSize : length of the data in dataPtr
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	878 remain_seg_size : The size of remaining space in the buffer segment
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	879 bytesWritten : output parameter in order to return the actual number of bytes written into the segment.
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	880
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	881 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	882 static char L2P_write_data_to_seg(char writePtr, char *dataPtr, U16 dataSize, U16 remain_seg_size,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	883 U16 *bytesWritten)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	884 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	885 char *retPtr;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	886
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	887 if (remain_seg_size <= dataSize)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	888 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	889 retPtr = (char *)0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	890 *bytesWritten = remain_seg_size;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	891 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	892 else
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	893 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	894 retPtr = writePtr + dataSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	895 *bytesWritten = dataSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	896 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	897
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	898 memcpy(writePtr, dataPtr, *bytesWritten);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	899
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	900 return retPtr;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	901 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	902
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	903
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	904 /*
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	905 +--------------------------------------------------------------------+
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	906 \| PROJECT: BAT L2P MODULE: L2P \|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	907 \| STATE : code ROUTINE: L2P_write_data_to_seg \|
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	908 +--------------------------------------------------------------------+
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	909
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	910 PURPOSE : L2P_read_data_from_seg is a local function to read a piece of data from a buffer segment, and write
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	911 it into a data structure (pointed to by writePtr). The buffer segment may, or may not be big enough to
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	912 hold the entire piece of data. If the end of the segment is reached when the data has been read then
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	913 the function will return a NULL pointer, otherwise it will return a pointer to the next location to read data
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	914 from. The following is a list of the parameters, and their uses:
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	915
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	916 readPtr : pointer to the position in the segment to read from
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	917 writePtr : pointer to the start location to write the data to
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	918 dataSize : length of the data to be read from the segment
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	919 remain_seg_size : The size of remaining space in the buffer segment
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	920 bytesWritten : output parameter in order to return the actual number of bytes written.
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	921
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	922 */
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	923 static char L2P_read_data_from_seg(char readPtr, char *writePtr, U16 dataSize, U16 remain_seg_size,
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	924 U16 *bytesWritten)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	925 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	926 char *retPtr;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	927
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	928 if (remain_seg_size <= dataSize)
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	929 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	930 retPtr = (char *)0;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	931 *bytesWritten = remain_seg_size;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	932 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	933 else
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	934 {
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	935 retPtr = readPtr + dataSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	936 *bytesWritten = dataSize;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	937 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	938
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	939 memcpy(writePtr, readPtr, *bytesWritten);
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	940
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	941 return retPtr;
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	942 }
53929b40109c src/g23m-aci: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	943

FreeCalypso > hg > fc-magnetite

annotate src/g23m-aci/l2p/l2p.c @ 460:4d4f0bba9469