--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/g23m-aci/uart/uart_drxp.c	Sun Jul 15 04:40:46 2018 +0000
@@ -0,0 +1,226 @@
+/* 
++----------------------------------------------------------------------------- 
+|  Project :  
+|  Modul   :  
++----------------------------------------------------------------------------- 
+|  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 UART and implements all 
+|             functions to handles the incoming primitives as described in 
+|             the SDL-documentation (DRX-statemachine)
++----------------------------------------------------------------------------- 
+*/ 
+
+#ifndef UART_DRXP_C
+#define UART_DRXP_C
+#endif /* !UART_DRXP_C */
+
+#define ENTITY_UART
+
+/*==== INCLUDES =============================================================*/
+
+#ifdef WIN32
+#include "nucleus.h"
+#endif /* WIN32 */
+#include "typedefs.h"   /* to get Condat data types */
+#include "vsi.h"        /* to get a lot of macros */
+#include "macdef.h"     /* to get a lot of macros */
+#include "custom.h"
+#include "gsm.h"        /* to get a lot of macros */
+#include "cnf_uart.h"   /* to get cnf-definitions */
+#include "mon_uart.h"   /* to get mon-definitions */
+#include "prim.h"       /* to get the definitions of used SAP and directions */
+#include "dti.h"        /* to get dti lib */
+#include "pei.h"        /* to get PEI interface */
+#ifdef FF_MULTI_PORT
+#include "gsi.h"        /* to get definitions of serial driver */
+#else /* FF_MULTI_PORT */
+#ifdef _TARGET_
+#include "uart/serialswitch.h"
+#include "uart/traceswitch.h"
+#else /* _TARGET_ */
+#include "serial_dat.h" /* to get definitions of serial driver */
+#endif /* _TARGET_ */
+#endif /* FF_MULTI_PORT */
+#include "uart.h"       /* to get the global entity definitions */
+
+#include "uart_kers.h"  /* to get signal definitions for service KER */
+#ifdef FF_MULTI_PORT
+#include "uart_ptxs.h"  /* to get signal definitions for service TX */
+#else /* FF_MULTI_PORT */
+#include "uart_txs.h"   /* to get signal definitions for service TX */
+#endif /* FF_MULTI_PORT */
+#include "uart_drxf.h"  /* to get function definitions for service DRX */
+
+#ifdef _SIMULATION_
+#include <stdio.h>      /* to get sprintf */
+#endif /* _SIMULATION_ */
+
+/*==== CONST ================================================================*/
+
+/*==== LOCAL VARS ===========================================================*/
+
+/*==== PRIVATE FUNCTIONS ====================================================*/
+
+/*==== PUBLIC FUNCTIONS =====================================================*/
+
+
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_dti_drx_data_received_ind
++------------------------------------------------------------------------------
+| Description : Handles the DTILIB callback call DTI_REASON_DATA_RECEIVED
+|               This signal means that data has been received on a dti
+|               connection.
+|
+| Parameter   : dti_data2_ind
+|
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_dti_drx_data_received_ind(T_DTI2_DATA_IND *dti_data2_ind)
+{
+  T_desc2*  temp_desc1;
+  T_desc2*  temp_desc2;
+
+  TRACE_FUNCTION( "drx_dti_data_req" );
+
+#ifdef UART_RANGE_CHECK
+  if(dti_data2_ind EQ NULL)
+  {
+    TRACE_EVENT("ERROR: dti_data2_ind is NULL");
+  }
+  else if((*((ULONG*)((UBYTE*)dti_data2_ind - sizeof(T_PRIM_HEADER) - 8))) NEQ 0)
+  {
+    TRACE_EVENT_P1("ERROR: dti_data2_ind=%08x is not allocated",
+                    dti_data2_ind);
+  }
+  else
+  {
+    T_desc2* range_desc;
+    USHORT  range_sum;
+    if((dti_data2_ind->parameters.st_lines.st_flow NEQ DTI_FLOW_ON) &&
+       (dti_data2_ind->parameters.st_lines.st_flow NEQ DTI_FLOW_OFF))
+    {
+      TRACE_EVENT_P1("ERROR: st_flow=%d is invalid",
+                      dti_data2_ind->parameters.st_lines.st_flow);
+    }
+    if((dti_data2_ind->parameters.st_lines.st_line_sa NEQ DTI_SA_ON) &&
+       (dti_data2_ind->parameters.st_lines.st_line_sa NEQ DTI_SA_OFF))
+    {
+      TRACE_EVENT_P1("ERROR: st_line_sa=%d is invalid",
+                      dti_data2_ind->parameters.st_lines.st_line_sa);
+    }
+    if((dti_data2_ind->parameters.st_lines.st_line_sb NEQ DTI_SB_ON) &&
+       (dti_data2_ind->parameters.st_lines.st_line_sb NEQ DTI_SB_OFF))
+    {
+      TRACE_EVENT_P1("ERROR: st_line_sb=%d is invalid",
+                      dti_data2_ind->parameters.st_lines.st_line_sb);
+    }
+    range_desc = (T_desc2*)(dti_data2_ind->desc_list2.first);
+    range_sum  = 0;
+    while((range_desc) &&
+          ((*((ULONG*)((UBYTE*)range_desc - 8))) EQ 0))
+    {
+      range_sum += range_desc->len;
+      range_desc = (T_desc2*)(range_desc->next);
+    }
+    if(range_desc)
+    {
+      TRACE_EVENT_P1("ERROR: data descriptor (%08x) not allocated",
+                      range_desc);
+    }
+    else if(range_sum NEQ dti_data_req->desc_list2.list_len)
+    {
+      TRACE_EVENT_P2("ERROR: datalength=%d NEQ list_len=%d",
+                      range_sum,
+                      dti_data2_ind->desc_list2.list_len);
+    }
+  }
+#endif /* UART_RANGE_CHECK */
+
+  switch( GET_STATE( UART_SERVICE_DRX ) )
+    {
+      case DRX_READY:
+        SET_STATE( UART_SERVICE_DRX, DRX_NOT_READY );
+        dti_stop(
+          uart_hDTI, 
+          uart_data->device, 
+          UART_DTI_UP_INTERFACE, 
+          uart_data->drx->dlc_instance
+          );
+        /*
+         * store data descriptor
+         */
+        temp_desc1 = (T_desc2*)(dti_data2_ind->desc_list2.first);
+        while((temp_desc1) &&
+              (temp_desc1->len EQ 0))
+        {
+          temp_desc2 = (T_desc2*)temp_desc1->next;
+          MFREE(temp_desc1);
+          temp_desc1 = temp_desc2;
+        }
+        uart_data->drx->received_data = temp_desc1;
+        uart_data->drx->read_pos      = 0;
+
+        /*
+         * inform kernel about line states
+         */
+        sig_drx_ker_line_states_ind(uart_data->drx->dlc_instance,
+                                    dti_data2_ind->parameters.st_lines.st_flow,
+                                    dti_data2_ind->parameters.st_lines.st_line_sa,
+                                    dti_data2_ind->parameters.st_lines.st_line_sb,
+                                    dti_data2_ind->parameters.st_lines.st_break_len);
+        /*
+         * check if service can send data to peer
+         */
+        if(uart_data->drx->data_flow EQ UART_FLOW_ENABLED)
+        {
+          /*
+           * yes, now if there is data to send, do it
+           */
+          if(uart_data->drx->received_data)
+          {
+            sig_drx_tx_data_available_ind( uart_data->drx->dlc_instance,
+                                           uart_data->drx->received_data,
+                                           uart_data->drx->read_pos );
+          }
+          else
+          {
+            /*
+             * no data to send, do positive flow control towards upper layer
+             */
+            SET_STATE( UART_SERVICE_DRX, DRX_READY );
+            dti_start(
+              uart_hDTI, 
+              uart_data->device, 
+              UART_DTI_UP_INTERFACE, 
+              uart_data->drx->dlc_instance
+              );
+          }
+        }
+        break;
+
+      default:
+        TRACE_ERROR( "DTI_DATA2_IND unexpected" );
+        /*
+         * since the descriptor will not be sent, free it
+         */
+        MFREE_DESC2( dti_data2_ind->desc_list2.first );
+        break;
+    }
+
+    /*
+     * free primitive (freeing of descriptors has been done before if necessary) 
+     */
+    PFREE( dti_data2_ind );
+} /* sig_dti_drx_data_received_ind() */