FreeCalypso > hg > fc-magnetite
view src/g23m-gprs/sndcp/sndcp_ciaf.c @ 460:4d4f0bba9469
doc/D-Sample written
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Mon, 19 Mar 2018 18:45:16 +0000 |
parents | 219afcfc6250 |
children |
line wrap: on
line source
/* +----------------------------------------------------------------------------- | Project : GPRS (8441) | Modul : tgen_gprs.cpp +----------------------------------------------------------------------------- | Copyright 2002 Texas Instruments Berlin, AG | All rights reserved. | | This file is confidential and a trade secret of Texas | Instruments Berlin, AG | The receipt of or possession of this file does not convey | any rights to reproduce or disclose its contents or to | manufacture, use, or sell anything it may describe, in | whole, or in part, without the specific written consent of | Texas Instruments Berlin, AG. +----------------------------------------------------------------------------- | Purpose : This modul is part of the entity SNDCP and implements all | procedures and functions as described in the | SDL-documentation (CIA-statemachine) +----------------------------------------------------------------------------- */ #define ENTITY_SNDCP /*==== INCLUDES =============================================================*/ #include "typedefs.h" /* to get Condat data types */ #include "vsi.h" /* to get a lot of macros */ #include "macdef.h" #include "prim.h" /* to get the definitions of used SAP and directions */ #include "dti.h" #include "sndcp.h" /* to get the global entity definitions */ #include "sndcp_f.h" /* to get the functions to access the global arrays*/ #ifdef _SNDCP_DTI_2_ #include <string.h> /* to get memcpy() */ #endif /*==== CONST ================================================================*/ /*==== LOCAL VARS ===========================================================*/ /*==== PRIVATE FUNCTIONS ====================================================*/ /*==== PUBLIC FUNCTIONS =====================================================*/ /* +------------------------------------------------------------------------------ | Function : cia_compress_init +------------------------------------------------------------------------------ | Description : This routine initializes the state structure for both the transmit | and receive halves of some serial line. It must be called each | time the line is brought up. | | Parameters : number of slots (from 0 to MAX_STATES) | +------------------------------------------------------------------------------ */ GLOBAL void cia_compress_init(UBYTE number_of_slots) { UBYTE i; struct cstate *tstate = sndcp_data->cia.comp.tstate; struct cstate *rstate = sndcp_data->cia.comp.rstate; TRACE_FUNCTION( "cia_compress_init"); memset((char *)&(sndcp_data->cia.comp), 0, sizeof(sndcp_data->cia.comp)); for (i = number_of_slots; i > 0; --i) { tstate[i].cs_id = i; tstate[i].cs_next = &tstate[i - 1]; tstate[i].cs_ip = (T_SNDCP_IP_HEADER*)tstate[i].cs_hdr; } tstate[0].cs_next = &tstate[number_of_slots]; tstate[0].cs_id = 0; tstate[0].cs_ip = (T_SNDCP_IP_HEADER*)tstate[0].cs_hdr; sndcp_data->cia.comp.last_cs = &tstate[0]; sndcp_data->cia.comp.last_recv = 255; sndcp_data->cia.comp.last_xmit = 255; sndcp_data->cia.comp.flags = SLF_TOSS; for (i = number_of_slots; i > 0; --i) { rstate[i].cs_id = i; rstate[i].cs_next = &rstate[i - 1]; rstate[i].cs_ip = (T_SNDCP_IP_HEADER*)rstate[i].cs_hdr; } rstate[0].cs_next = &rstate[number_of_slots]; rstate[0].cs_id = 0; rstate[0].cs_ip = (T_SNDCP_IP_HEADER*)rstate[0].cs_hdr; sndcp_data->cia.comp.slots_to_use = number_of_slots + 1; } /* +------------------------------------------------------------------------------ | Function : cia_init +------------------------------------------------------------------------------ | Description : | | Parameters : | +------------------------------------------------------------------------------ */ GLOBAL void cia_init (void) { UBYTE nsapi; TRACE_FUNCTION( "cia_init" ); INIT_STATE(CIA, CIA_DEFAULT); sndcp_reset_xid_block(&sndcp_data->cia.cur_xid_block); for (nsapi = 0; nsapi < SNDCP_NUMBER_OF_NSAPIS; nsapi ++){ sndcp_data->cia.cur_cia_decomp_ind[nsapi] = NULL; #ifdef SNDCP_TRACE_ALL sndcp_data->cia.cia_decomp_ind_number[nsapi] = 0; #endif } } /* cia_init() */