--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/g23m-aci/aci/dcm_env.c	Fri Oct 16 06:25:50 2020 +0000
@@ -0,0 +1,152 @@
+/*
++-----------------------------------------------------------------------------
+|  Project :  GSM-F&D (8411)
+|  Modul   :  ACI
++-----------------------------------------------------------------------------
+|  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.
++-----------------------------------------------------------------------------
+|  Description :  Define dcm_functions to initialize dcm
+|                 Define mfw callback function to be used in mfw_cb.c
++-----------------------------------------------------------------------------
+*/
+
+
+/***********************  INCLUDES ********************************************/
+#include "aci_all.h"
+#include "dcm.h"
+#include "dcm_utils.h"
+#include "dcm_state.h"
+#include "dcm_env.h"
+
+
+/*************** LOCAL VARIABLE DEFINITION  ***********************************/
+
+/*************** EXTERN VARIABLE DEFINITION  **********************************/
+/*
+ * Pointer on the structure gathering all the global variables
+ * used by DCM instance.
+ */
+T_DCM_ENV_CTRL_BLK *dcm_env_ctrl_blk_p;
+
+/*************** LOCAL FUCNTION DEFINITION  ***********************************/
+static T_DCM_ENV_CTRL_BLK  dcm_env_ctrl_blk;
+
+/************* EXTERN FUCNTION DEFINITION  ************************************/
+
+
+/*******************************************************************************
+*   Function     :   dcm_start
+*   Parameter    :   none
+*   Description  :   dcm main state change to DCM_IDLE
+*******************************************************************************/
+LOCAL void dcm_start(void)
+{
+  TRACE_FUNCTION("DCM: dcm_start()");
+  dcm_new_state(DCM_IDLE, DCM_SUB_NO_ACTION);
+}
+
+
+
+/*******************************************************************************
+* Function     :   dcm_init
+* Parameter    :   none
+* Description  :   this function initialize DCM global variable and change dcm main state
+*******************************************************************************/
+void dcm_init (void)
+{
+  TRACE_FUNCTION("DCM: dcm_init()");
+
+  dcm_env_ctrl_blk_p = &dcm_env_ctrl_blk;
+
+  memset(dcm_env_ctrl_blk_p, 0x00, sizeof(T_DCM_ENV_CTRL_BLK));
+  dcm_env_ctrl_blk_p->dcm_call_back = NULL;
+
+  /* initalize main state , sub state */
+  dcm_new_state(DCM_OFF, DCM_SUB_NO_ACTION);
+
+  /*
+   *  dcm start : this means that dcm main state change to DCM IDLE 
+   *              from now, dcm will be operated if application send request 
+   *              primitive to DCM
+   */
+  dcm_start();
+}
+
+
+LOCAL char* message_id_to_string(U8 msg_id)
+{
+  switch(msg_id)
+  {
+    case DCM_OPEN_CONN_REQ_MSG:        return "DCM_OPEN_CONN_REQ_MSG";
+    case DCM_CLOSE_CONN_REQ_MSG:       return "DCM_CLOSE_CONN_REQ_MSG";
+    case DCM_GET_CURRENT_CONN_REQ_MSG: return "DCM_GET_CURRENT_CONN_REQ_MSG";
+    case DCM_OPEN_CONN_CNF_MSG:        return "DCM_OPEN_CONN_CNF_MSG";
+    case DCM_CLOSE_CONN_CNF_MSG:       return "DCM_CLOSE_CONN_CNF_MSG";
+    case DCM_GET_CURRENT_CONN_CNF_MSG: return "DCM_GET_CURRENT_CONN_CNF_MSG";
+    case DCM_ERROR_IND_MSG:            return "DCM_ERROR_IND_MSG";
+    case DCM_NEXT_CMD_READY_MSG:       return "DCM_NEXT_CMD_READY_MSG";
+    case DCM_NEXT_CMD_STOP_MSG:        return "DCM_NEXT_CMD_STOP_MSG";
+    default:                           return "Unkown Msg_Id";
+  }
+}
+
+void dcm_display_message(U8 msg_id)
+{
+  TRACE_EVENT_P1("DCM: Message= %s",message_id_to_string(msg_id));
+}
+
+
+
+/*******************************************************************************
+ Function  :   dcm_send_message
+ Parameter :   UBYTE
+ Description : this function is used in mfw to send result about AT command to DCM
+********************************************************************************/
+void dcm_send_message(T_DCM_STATUS_IND_MSG msg, T_DCM_INTERNAL_SUBSTATE sub_state)
+{
+    TRACE_FUNCTION("DCM: dcm_send_message()");
+
+    /* No need to check state if an error occurs */
+    if(msg.hdr.msg_id == DCM_ERROR_IND_MSG AND dcm_env_ctrl_blk_p->dcm_call_back)
+    {
+      /* FST: Is here a special handling necessary -> 
+         see function dcm_mfw_callback(...) above()  */
+      (void)dcm_env_ctrl_blk_p->dcm_call_back(&msg.hdr);
+
+    }
+    else if(msg.hdr.msg_id != DCM_ERROR_IND_MSG AND 
+            dcm_env_ctrl_blk_p->dcm_call_back   AND
+            dcm_env_ctrl_blk_p->substate[0] == sub_state)
+    {
+      (void)dcm_env_ctrl_blk_p->dcm_call_back(&msg.hdr);
+    }
+    
+    /* This else handles the case if connection has been interrupted due to user
+       or loss of network before connect cnf to app has been sent */
+    else if(msg.hdr.msg_id == DCM_NEXT_CMD_STOP_MSG       AND 
+            dcm_env_ctrl_blk_p->dcm_call_back             AND 
+            (dcm_env_ctrl_blk_p->substate[0] == sub_state AND 
+             (sub_state == DCM_SUB_WAIT_SATDN_CNF OR sub_state == DCM_SUB_WAIT_CGATT_CNF )  ))  //pinghua DCM_OPEN_CLOSE patch 20080429
+    {
+      (void)dcm_env_ctrl_blk_p->dcm_call_back(&msg.hdr);
+    }
+    else if(dcm_env_ctrl_blk_p->state[0] == DCM_IDLE AND 
+            dcm_env_ctrl_blk_p->dcm_call_back)
+    {
+      (void)dcm_env_ctrl_blk_p->dcm_call_back(&msg.hdr);
+    }
+    else if(dcm_env_ctrl_blk_p->substate[0] != sub_state)
+    {
+      TRACE_ERROR("DCM: Error: mismatch in substate");
+      dcm_dispay_sub_state((U8)sub_state,(U8)dcm_env_ctrl_blk_p->substate[0]);
+    }
+}