/* +----------------------------------------------------------------------------- | Project : GPRS (8441)| Modul : sndcp_ndp.c+----------------------------------------------------------------------------- | 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 | functions to handles the incoming primitives as described in | the SDL-documentation (ND-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*/#include "sndcp_sds.h" /* to get signals to sd service */#include "sndcp_sdas.h" /* to get signals to sda service */#include "sndcp_sdf.h"/*==== CONST ================================================================*//*==== LOCAL VARS ===========================================================*//*==== PRIVATE FUNCTIONS ====================================================*//*==== PUBLIC FUNCTIONS =====================================================*//*+------------------------------------------------------------------------------| Function : nd_dti_buffer_ready+------------------------------------------------------------------------------| Description : Is called from DTI callback function when reason was| DTI_REASON_TX_BUFFER_READY. Does the same as old| nd_sn_get(unit)data_req.|| Parameters : affected nsapi|+------------------------------------------------------------------------------*/GLOBAL void nd_dti_buffer_ready (UBYTE nsapi){ UBYTE sapi = 0; BOOL used = FALSE; TRACE_FUNCTION( "nd_dti_buffer_ready" ); /* * set service instance according to nsapi in primitive */ sndcp_data->nd = & sndcp_data->nd_base[nsapi]; switch( GET_STATE( ND ) ) { case ND_DEFAULT: case ND_RECOVER: case ND_SUSPEND: /* * Is NSAPI used at all? */ sndcp_is_nsapi_used(nsapi, &used); if (used) { BOOL ack = FALSE; sndcp_get_nsapi_ack(nsapi, &ack); if (ack) { sndcp_get_nsapi_sapi(nsapi, &sapi); sig_nd_sda_getdata_req(sapi, nsapi); } else { sndcp_get_nsapi_sapi(nsapi, &sapi); sig_nd_sd_getunitdata_req(sapi, nsapi); } /* dti ready called from mg_sm_activate_ind again */ TRACE_EVENT("FLOW CONTROL falg is set to false"); sndcp_data->tcp_flow = FALSE; } else { sndcp_data->nsapi_rcv_rdy_b4_used |= 0x001 << nsapi; TRACE_EVENT("FLOW CONTROL falg is set to true"); /* We have received a flow control before receiving a snsm_activate_ind */ sndcp_data->tcp_flow = TRUE; } break; default: TRACE_ERROR( "Function nd_dti_buffer_ready unexpected" ); break; }} /* nd_buffer_ready() */