--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/g23m-aci/aci/cmh_uartr.c	Fri Oct 16 06:25:50 2020 +0000
@@ -0,0 +1,271 @@
+/* 
++----------------------------------------------------------------------------- 
+|  Project :  GSM-PS (6147)
+|  Modul   :  CMH_UARTR
++----------------------------------------------------------------------------- 
+|  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 :  
++----------------------------------------------------------------------------- 
+*/ 
+
+#ifdef UART
+
+#ifndef CMH_UARTR_C
+#define CMH_UARTR_C
+#endif
+
+#include "aci_all.h"
+/*==== INCLUDES ===================================================*/
+#include "aci_cmh.h"
+#include "ati_cmd.h"
+#include "aci_cmd.h"
+#include "dti.h"      /* functionality of the dti library */
+#include "dti_conn_mng.h"
+#include "dti_cntrl_mng.h"
+
+
+#include "aci_io.h"
+
+#include "psa_uart.h"
+
+#include "aci_lst.h"
+#include "cmh_uart.h"
+#include "gaci.h"
+
+
+#include "psa.h"
+#ifdef FAX_AND_DATA
+#include "aci_fd.h"
+#endif
+#include "cmh.h"
+
+#include "aci_mem.h"
+
+#include "psa_l2r.h"
+#include "cmh_sm.h"
+
+EXTERN T_ACI_UART_MUX_PARMS holdMuxParms;
+
+/*==== CONSTANTS ==================================================*/
+
+/*==== EXPORT =====================================================*/
+
+/*==== VARIABLES ==================================================*/
+
+/*==== FUNCTIONS ==================================================*/
+
+/*
++-------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)    MODULE  : PSA_UART                     |
+|                            ROUTINE : cmhUART_ParmsUpdated         |
++-------------------------------------------------------------------+
+
+  PURPOSE : .
+
+*/
+
+GLOBAL void cmhUART_ParmsUpdated( UBYTE device )
+{
+  T_ACI_DTI_PRC        *src_infos = NULL;
+  T_ACI_DEVICE_TYPE     curr_device_type;
+  T_ACI_UART_MUX_PARMS *MuxParms;
+  T_DTI_ENTITY_ID entity_list[] = {DTI_ENTITY_ACI};
+
+  TRACE_FUNCTION("cmhUART_ParmsUpdated");
+
+  src_infos = cmhUART_find_dlci (uart_src_params,
+                                 device,
+                                 UART_DLCI_NOT_MULTIPLEXED);
+
+  if (src_infos EQ NULL)
+  {
+    TRACE_EVENT ("Error: wrong device number");
+    return;
+  }
+
+  curr_device_type = cmhUART_GetDeviceType (src_infos->srcId);
+
+  if (curr_device_type EQ DEVICE_TYPE_URT)
+  {
+    switch ( uartEntcurCmd[src_infos->srcId] )
+    {
+    case AT_CMD_IPR:
+      /* do not send OK: this has been done at the beginning */
+      TRACE_EVENT("IPR successfully processed");
+      break;
+    
+    case AT_CMD_ICF:
+    case AT_CMD_IFC:
+  #ifdef FF_FAX
+    case AT_CMD_FLO:
+  #endif
+      R_AT( RAT_OK, (T_ACI_CMD_SRC)src_infos->srcId )( uartEntcurCmd[src_infos->srcId] );
+      break;
+
+    default:
+#ifdef DTI
+      /* request of a DTI channel to communicate with UART */
+      dti_cntrl_est_dpath_indirect ( src_infos->srcId,
+                                     entity_list,
+                                     1,
+                                     SPLIT,
+                                     atiUART_dti_cb,
+                                     DTI_CPBLTY_CMD,
+                                     DTI_CID_NOTPRESENT);
+#endif
+      break;
+    }
+    /* reinitialize */
+    uartEntcurCmd[src_infos->srcId] = AT_CMD_NONE;
+  }
+  else if (curr_device_type EQ DEVICE_TYPE_UNKNOWN)
+  {
+    MuxParms = src_infos->MuxParms;
+    if( MuxParms EQ NULL )
+    {
+      TRACE_EVENT("Multiplexer could not be initialized: wrong parameters");
+      return;
+    }
+
+    psaUART_StartMux( device,
+                      MuxParms->mode,
+                      MuxParms->subset,
+                      MuxParms->N1,
+                      MuxParms->T1,
+                      MuxParms->N2,
+                      MuxParms->T2,
+                      MuxParms->T3);
+
+    memcpy( (CHAR *)&holdMuxParms, (CHAR *)src_infos->MuxParms, sizeof(T_ACI_UART_MUX_PARMS));
+    ACI_MFREE( MuxParms );
+    src_infos->MuxParms = NULL;
+  }
+  else
+  {
+    TRACE_EVENT("Multiplexer could not be initialized: wrong state");
+  }
+}
+
+/*
++-------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)    MODULE  : PSA_UART                     |
+|                            ROUTINE : cmhUART_DetectedESC_DTR      |
++-------------------------------------------------------------------+
+
+  PURPOSE : .
+
+*/
+
+GLOBAL void cmhUART_DetectedESC_DTR( UBYTE device, UBYTE dlci, UBYTE cause )
+{
+  T_DTI_ENTITY_ID  peer_id;
+
+  T_ACI_DTI_PRC*   src_infos = NULL;
+  T_DTI_ENTITY_ID  entity_list[] = {DTI_ENTITY_ACI};
+
+  TRACE_FUNCTION("cmhUART_DetectedESC_DTR()");
+
+  uartShrdPrm.dtr_clearcall = FALSE;
+  uartShrdPrm.escape_seq    = cause;
+
+  src_infos = cmhUART_find_dlci (uart_src_params,
+                                 device,
+                                 dlci);
+
+  if (src_infos EQ NULL)
+  {
+    TRACE_EVENT("[ERR] Wrong dlci");
+    return;
+  }
+
+  /* escape sequence detected */
+  if ((cause EQ UART_DETECT_ESC) OR
+     ((cause EQ UART_DETECT_DTR) AND
+     ((uartShrdPrm.dtr_behaviour EQ DTR_BEHAVIOUR_CommandMode) OR
+     (uartShrdPrm.dtr_behaviour EQ DTR_BEHAVIOUR_ClearCall)) ))
+  {
+#ifdef DTI
+    peer_id = dti_cntrl_get_peer( DTI_ENTITY_UART, device, dlci );
+    if ( (uartShrdPrm.dtr_behaviour EQ DTR_BEHAVIOUR_ClearCall) AND
+         (cause EQ UART_DETECT_DTR) AND
+         (   (peer_id EQ DTI_ENTITY_TRA)
+          OR (peer_id EQ DTI_ENTITY_L2R)
+/*        OR (peer_id EQ DTI_ENTITY_ACI)     don't disconnect if we are currently in CMD-Mode,
+                                             otherwise this would kill the next call attempt */
+          OR (peer_id EQ DTI_ENTITY_PPPS) /* also drop PPP sessions */
+          OR (peer_id EQ DTI_ENTITY_PPPC)
+          ) )
+    {
+      TRACE_EVENT("uartShrdPrm.dtr_clearcall = TRUE");
+      uartShrdPrm.dtr_clearcall = TRUE; /* this is only for CSD (TRA, L2R) */
+    }
+   /*
+    * Inform the relevant CMH or close the user plane.
+    */
+    switch ( peer_id )
+    {
+
+#if defined FAX_AND_DATA
+      case ( DTI_ENTITY_L2R ):
+    {
+      psaL2R_ESC ( src_infos->srcId );
+        break;
+      }
+#endif /* FAX_AND_DATA */
+
+#if defined GPRS
+      case ( DTI_ENTITY_PPPS ):
+      {       
+        T_PDP_CONTEXT_INTERNAL *p_pdp_context_node = pdp_context_find_node_from_dti_id ( EXTRACT_DTI_ID( dti_cntrl_get_link_id( DTI_ENTITY_UART, device, dlci ) ) );
+        if( !p_pdp_context_node )
+        {
+          TRACE_EVENT("ERROR: PDP context not defined");
+          return;
+        }
+        cmhSM_deactivateAContext(CMD_SRC_NONE, p_pdp_context_node->cid);
+        break;
+      }
+#endif /* GPRS */
+      default:
+      {
+        dti_cntrl_est_dpath_indirect ( src_infos->srcId,
+                                       entity_list,
+                                       1,
+                                       SPLIT,
+                                       atiUART_dti_cb,
+                                       DTI_CPBLTY_CMD,
+                                       DTI_CID_NOTPRESENT);
+        break;
+      }
+    }
+#endif
+  }
+  /* DTR line of serial link drops */
+  else if (cause EQ UART_DETECT_DTR)
+  {
+    if (uartShrdPrm.dtr_behaviour EQ DTR_BEHAVIOUR_Ignore)
+    {
+      TRACE_EVENT("DCE ignores DTR");
+    }
+    else
+    {
+      TRACE_EVENT("[ERR] Wrong dtr_behaviour value");
+    }
+  }
+  else
+  {
+    TRACE_EVENT("[ERR] Wrong cause value in UART_DETECTED_IND");
+  }
+}
+
+#endif /* UART */