--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/g23m-gprs/sndcp/sndcp_ndp.c	Sun Jul 15 04:40:46 2018 +0000
@@ -0,0 +1,112 @@
+/* 
++----------------------------------------------------------------------------- 
+|  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() */