--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gsm-fw/g23m-aci/bat/bat_app.c	Sun Oct 12 01:45:14 2014 +0000
@@ -0,0 +1,652 @@
+/*
++-----------------------------------------------------------------------------
+|  Project :
+|  Modul   :  BAT
++-----------------------------------------------------------------------------
+|  Copyright 2005 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 holds the functions
+|             for the binary AT command library at APPlication side
++-----------------------------------------------------------------------------
+*/
+#ifndef _BAT_APP_C_
+#define _BAT_APP_C_
+
+/*==== INCLUDES =============================================================*/
+#include <string.h>
+#include <math.h>
+
+#include "typedefs.h"
+#include "gdd.h"
+#include "gdd_sys.h"
+#include "l2p_types.h"
+#include "l2p.h"
+#include "bat.h"
+#include "bat_ctrl.h"
+#include "bat_intern.h"
+
+/*==== DEFINES==== ==========================================================*/
+#define BAT_NOT_INITIALIZED FALSE
+#define BAT_INITIALIZED TRUE
+
+
+/*==== GLOBAL VARS ==========================================================*/
+
+
+/*==== EXTERN VARS ==========================================================*/
+
+LOCAL void cvt_to_str (unsigned char input_num, char *num_str)
+{
+  int i;
+ memset(num_str, 0, 3);
+
+  for (i = 0; i < 3; i++)
+  {
+    if(input_num/pow(10,i) >0)
+    {
+      *(num_str+(2-i)) = (char)(input_num/pow(10,i))+'0'; 
+    }
+  }
+  return;
+}
+
+/* create dummy functions to make the interface alligned with BT */
+GLOBAL T_BAT_return bat_init (void *mem, unsigned char num)
+{
+  BAT_TRACE_FUNCTION ("bat_init()");
+  return (BAT_OK);
+}
+
+GLOBAL T_BAT_return bat_deinit (void)
+{
+  BAT_TRACE_FUNCTION ("bat_deinit()");
+  return (BAT_OK);
+}
+
+/*
++----------------------------------------------------------------------------+
+| PROJECT :                    MODULE  : BINARY AT COMMAND LIBRARY           |
+| STATE   : code               ROUTINE : bat_new                             |
++----------------------------------------------------------------------------+
+PURPOSE :
+  This function is used to create a new instance of BAT Lib. It provides BAT Lib
+  the following information: an output parameter to pass back the instance handle
+  to the application; a pointer to the memory, which is allocated by the application
+  framework, for internal maintenance; the number of clients to maintain; the
+  appropriate configuration, a signal call back function pointer
+  and an unsolicited result code call back function pointer.
+*/
+
+GLOBAL T_BAT_return bat_new (T_BAT_instance  *inst_hndl,
+                             void            *mem,
+                             unsigned char   num,
+                             T_BAT_config    *config,
+                             void            (*instance_signal_cb)(T_BAT_signal signal))
+{
+  int                       i;
+  T_BAT_client_maintain     *clnt_mt    = NULL;
+  T_BAT_instance_maintain   *inst_mt    = NULL;
+  CHAR                      sem_str[] = "SEM_BAT000"; /* long enough to hold "SEM_BATxxx" */
+
+  U32 mem_l2p;
+
+  BAT_TRACE_FUNCTION ("bat_new()");
+
+  /* check if the parameters are correct */
+  if ((mem EQ NULL) OR (num > BAT_CONTROL_CHANNEL) OR
+      (config EQ NULL) OR (instance_signal_cb EQ NULL))
+  {
+    BAT_TRACE_ERROR ("bat_new(): input parameter incorrect!");
+    return (BAT_ERROR);
+  }
+  /* init allocated memory */
+  memset(mem, 0, num * BAT_CLIENT_SIZE + BAT_INSTANCE_SIZE);
+
+  /* init global params */
+  if (bat_init_global_params())
+  {
+    return (BAT_ERROR);
+  }
+
+  /* get the free slot to store the instance pointer */
+  if (bat_get_new_instance(inst_hndl) NEQ BAT_OK)
+  {
+    return (BAT_ERROR);
+  }
+
+  /* init the instance maintainance data */
+  inst_mt = (T_BAT_instance_maintain *)mem;
+
+  /* init semaphore */
+  cvt_to_str(*inst_hndl, &sem_str[7]);
+  inst_mt->sem_BAT = gdd_sys_sem_open(sem_str, 1);
+    
+  if (inst_mt->sem_BAT EQ (-1))
+  {
+    BAT_TRACE_ERROR("canīt open semaphore \"SEM_BAT\"");
+    return (BAT_ERROR);
+  }
+
+  /* init the pointer in the pointer list */
+  bat_init_instance_pointer (*inst_hndl, inst_mt);
+
+  inst_mt->instance_signal_cb = instance_signal_cb;
+  inst_mt->unsolicited_result_cb = NULL;
+  inst_mt->max_client_num = num;
+  inst_mt->config = config;
+  bat_change_instance_state(inst_mt,BAT_INSTANCE_IDLE);
+  bat_change_buffer_state(inst_mt, BAT_BUF_EMPTY);
+
+  BAT_TRACE_EVENT_P1 ("bat_new(): BAT INST add is: %04X", mem);
+
+  /* init the clients */
+  for (i = 0; i < num; i ++)
+  {
+    clnt_mt = (T_BAT_client_maintain *)((U32)sizeof(T_BAT_client_maintain)*i + (U32)inst_mt +
+                                        (U32)sizeof (T_BAT_instance_maintain));
+    BAT_TRACE_EVENT_P2 ("bat_new(): BAT CLNT %d ' add is: %04X", i, clnt_mt);
+
+    bat_change_client_state(clnt_mt, BAT_CLIENT_IDLE);
+  }
+
+  /* configure the L2P */
+  mem_l2p = (U32)inst_mt+sizeof(T_BAT_instance_maintain) + num*sizeof(T_BAT_client_maintain);
+  BAT_TRACE_EVENT_P1("bat_new(): The address passed to L2P is 0x%4x", mem_l2p);
+  L2P_Configure(*inst_hndl, (void*)((U32)inst_mt+sizeof(T_BAT_instance_maintain)+num*sizeof(T_BAT_client_maintain)),
+                config->l2p.protocol_id, (U16)(config->adapter.cap.dio_cap.mtu_size), bat_l2p_get_tx_buffer,
+                bat_l2p_get_rx_buffer, bat_l2p_get_next_buf_seg, bat_l2p_send_frame, bat_l2p_message_rxd);
+
+  /* call GDD to create the connection, if ERROR is returned the app should call bat_new later*/
+  if ((config->adapter.gdd_if.gdd_connect(GDD_INST_BAT, (T_GDD_CON_HANDLE*)&(inst_mt->con_handle),
+                                   &(config->adapter.cap), bat_gdd_receive_data_cb,
+                                   bat_gdd_signal_cb))NEQ GDD_OK)
+  {
+    BAT_TRACE_ERROR ("bat_new(): Error returned from gdd_connect().");
+    bat_deinit_instance_pointer(*inst_hndl);
+    L2P_Remove (*inst_hndl);
+    return (BAT_ERROR);
+  }
+
+  /* BAT Lib is awaiting 2 confirmations. One from GDD and one from ACI, the confirmations will be handled in the cbs */
+
+  return (BAT_OK);
+}
+
+/*
++----------------------------------------------------------------------------+
+| PROJECT :                    MODULE  : BINARY AT COMMAND LIBRARY           |
+| STATE   : code               ROUTINE : bat_delete                          |
++----------------------------------------------------------------------------+
+PURPOSE :
+  This function is used to delete the BAT Lib instance created by function
+  bat_new().The provided callback function is used to inform the application of
+  the finial result. If the application receives an indication of successfully
+  deleting of the BAT Lib instance, the memory allocated to this instance can
+  be freed by the application. Please note that the application should call
+  bat_close() to close all the clients before deleting the BAT Lib instance.
+*/
+
+GLOBAL T_BAT_return bat_delete (T_BAT_instance inst_hndl)
+{
+  T_BAT_instance_maintain *inst_mt = NULL;
+
+  BAT_TRACE_FUNCTION ("bat_delete()");
+
+  /* check if inst_hndl is valid */
+  if (inst_hndl EQ BAT_INVALID_INSTANCE_HANDLE)
+  {
+    return (BAT_ERROR);
+  }
+
+  /* the instance can not be deleted before all clients are closed */
+  if (bat_check_if_all_clients_are_closed(inst_hndl) EQ FALSE)
+  {
+    return (BAT_ERROR);
+  }
+  
+  /* get instance from instance handle */
+  if (bat_get_instance_from_instance_handle (inst_hndl, &inst_mt) EQ BAT_ERROR)
+  {
+    return (BAT_ERROR);
+  }
+  
+  /* call GDD to inform the close of an instance */
+  if (inst_mt->config->adapter.gdd_if.gdd_disconnect((T_GDD_CON_HANDLE)(inst_mt->con_handle)) NEQ GDD_OK)
+  {
+    BAT_TRACE_ERROR ("bat_delete(): Error returned from gdd_connect(), instance cannot be deleted.");
+    return (BAT_ERROR);
+  }
+  bat_change_instance_state(inst_mt,BAT_INSTANCE_IDLE);
+  
+  /* remove the l2p maintainance data */
+  L2P_Remove (inst_hndl);
+  /*BAT deinit the instance*/
+  bat_deinit_instance_pointer (inst_hndl);
+
+  if (inst_mt->sem_BAT NEQ (-1))
+  {
+    gdd_sys_sem_close(inst_mt->sem_BAT);
+  }
+
+  /* deinit the BAT Lib if the last instance has been deleted */
+  bat_deinit_global_params();
+
+  return (BAT_OK);
+}
+
+/*
++----------------------------------------------------------------------------+
+| PROJECT :                    MODULE  : BINARY AT COMMAND LIBRARY           |
+| STATE   : code               ROUTINE : bat_open                            |
++----------------------------------------------------------------------------+
+PURPOSE :
+  This function is used to open a new binary AT command client path. This
+  function passes a unique client handle to the application by the output
+  parameter clnt_hndl. This client handle is used by bat_send(), bat_close()
+  and bat_cntrl().The bat_open() function is re-entrant and can be
+  called in serial within one instance.
+*/
+
+GLOBAL T_BAT_return bat_open( T_BAT_instance instance,
+                              T_BAT_client *clnt_hndl,
+                              int(*response_cb)( T_BAT_client,T_BAT_cmd_response*),
+                              void (*signal_cb)( T_BAT_client, T_BAT_signal))
+{
+  T_BAT_client_maintain     *clnt_mt  = NULL;
+  T_BAT_instance_maintain   *inst_mt  = NULL;
+  T_BAT_return              ret = BAT_ERROR;
+  T_BATC_signal             ctrl_sig;
+  T_BATC_open_client        param;
+
+  BAT_TRACE_FUNCTION ("bat_open()");
+
+  /* find the correct instance */
+  if (bat_get_instance_from_instance_handle (instance, &inst_mt) EQ BAT_ERROR)
+  {
+    return (BAT_ERROR);
+  }
+  
+  /* bat_open should be called after bat instance is created */
+  if (inst_mt->instance_state < BAT_INSTANCE_READY)
+  {
+    BAT_TRACE_EVENT_P1 ("ERROR: the instance state is %d", inst_mt->instance_state);
+    return (BAT_ERROR);
+  }
+
+  /* check if one more client can be created */
+  if (bat_get_new_client(instance, clnt_hndl) EQ BAT_ERROR)
+  {
+    return (BAT_ERROR);
+  }
+  
+  /* set the necessary states before sending the data to BAT ACI, this is bec it can
+     happen that the callback is used before function bat_send_ctrl_data() returns  */
+  if (bat_init_new_client (*clnt_hndl, response_cb, signal_cb) EQ BAT_ERROR)
+  {
+    return (BAT_ERROR);
+  }
+  
+  if (bat_get_client_from_client_handle(*clnt_hndl, &clnt_mt) EQ BAT_ERROR)
+  {
+    return (BAT_ERROR);
+  }
+  
+  bat_change_client_state(clnt_mt, BAT_CLIENT_ACTIVATING);
+
+  param.client_id = (U32)(GET_CLNT_ID_FROM_CLNT_HANDLE(*clnt_hndl));
+  ctrl_sig.ctrl_params = BATC_OPEN_CLIENT;
+  ctrl_sig.params.ptr_open_client = &param;
+
+  /* send control data to BAT ACI */
+  ret = bat_send_ctrl_data(instance, &ctrl_sig);
+
+  switch (ret)
+  {
+    case (BAT_BUSY_RESOURCE):
+    {
+      /* instance state shows that the bat_open() call receives Busy */
+      bat_change_instance_state(inst_mt, BAT_INSTANCE_BUSY);
+      clnt_mt->client_state   = BAT_CLIENT_IDLE;
+      clnt_mt->signal_cb      = NULL;
+      clnt_mt->response_cb    = NULL;
+      break;
+    }
+    case (BAT_ERROR):
+    {
+      /* change back the necessary states if error happens */
+      bat_change_client_state(clnt_mt, BAT_CLIENT_IDLE);
+      clnt_mt->signal_cb    = NULL;
+      clnt_mt->response_cb  = NULL;
+      break;
+    }
+    case (BAT_OK):
+    default:
+    {
+      break;
+    }
+  }
+  return (ret);
+}
+
+/*
++----------------------------------------------------------------------------+
+| PROJECT :                    MODULE  : BINARY AT COMMAND LIBRARY           |
+| STATE   : code               ROUTINE : bat_uns_open                        |
++----------------------------------------------------------------------------+
+PURPOSE :
+  This function is used to open a path to receive unsolicited result code.
+  This function passes a unique client handle to the application by the output
+  parameter client. This client handle is used by bat_close()and bat_cntrl().
+*/
+
+GLOBAL T_BAT_return bat_uns_open (T_BAT_instance instance,
+        T_BAT_client  *client,
+        int(*unsolicited_result_cb)( T_BAT_client client, T_BAT_cmd_response *response))
+{
+  T_BAT_instance_maintain *inst_mt = NULL;
+
+  BAT_TRACE_FUNCTION ("bat_uns_open()");
+
+  /* find the correct instance */
+  if (bat_get_instance_from_instance_handle (instance, &inst_mt) EQ BAT_ERROR)
+  {
+    return (BAT_ERROR);
+  }
+
+  /* this func should be called after bat instance is created */
+  if (inst_mt->instance_state < BAT_INSTANCE_READY)
+  {
+    BAT_TRACE_EVENT_P1 ("ERROR: the instance is not yet initialized! It's state is",
+                        inst_mt->instance_state);
+    return (BAT_ERROR);
+  }
+
+  inst_mt->unsolicited_result_cb = unsolicited_result_cb;
+  *client = MAKE_UNS_CLNT_HNDL(instance);
+
+  return (BAT_OK);
+}
+
+
+/*
++----------------------------------------------------------------------------+
+| PROJECT :                    MODULE  : BINARY AT COMMAND LIBRARY           |
+| STATE   : code               ROUTINE : bat_close                           |
++----------------------------------------------------------------------------+
+PURPOSE :
+  This function is used to close a binary AT command channel. This closing
+  process includes closing of the connection to the modem. If the close process
+  has been successfully performed, BAT Lib will call the signal callback
+  function provided by bat_open() on the application side to indicate. The
+  application can delete the BAT Lib instance only after successfully closing
+  all the clients by calling bat_close().
+*/
+
+GLOBAL T_BAT_return bat_close  (T_BAT_client clnt_hndl)
+{
+  T_BAT_instance_maintain   *inst_mt  = NULL;
+  T_BAT_client_maintain     *clnt_mt  = NULL;
+  T_BATC_signal             ctrl_sig;
+  T_BATC_close_client       param;
+  T_BAT_return              reslt = BAT_ERROR;
+
+  BAT_TRACE_FUNCTION ("bat_close()");
+
+  if (bat_get_instance_from_instance_handle(GET_INST_HNDL_FROM_CLNT_HANDLE(clnt_hndl), &inst_mt))
+  {
+    return (BAT_ERROR);
+  }
+  
+  /* if the channel to close is unsolicited code channel */
+  if ((GET_CLNT_ID_FROM_CLNT_HANDLE(clnt_hndl) EQ BAT_BROADCAST_CHANNEL))
+  {
+    inst_mt->unsolicited_result_cb = NULL;
+    /* if there is still data in the buffer for this channel, just ignore the data and empty the buffer */
+    if ((inst_mt->buffer.buf_st EQ BAT_BUF_FILLED) AND (inst_mt->buffer.dest EQ clnt_hndl))
+    {
+      bat_change_buffer_state(inst_mt, BAT_BUF_EMPTY);
+      inst_mt->config->adapter.gdd_if.gdd_signal_ready_rcv ((T_GDD_CON_HANDLE)(inst_mt->con_handle));
+    }
+    return (BAT_OK);
+  }
+
+  /* If the channel to close is a normal client channel */
+  if (bat_get_client_from_client_handle(clnt_hndl, &clnt_mt) OR
+      clnt_mt->client_state < BAT_CLIENT_ACTIVATING)
+  {
+    BAT_TRACE_ERROR ("ERROR: parameter wrong or BAT client is not yet open.");
+    return (BAT_ERROR);
+  }
+
+  param.client_id = GET_CLNT_ID_FROM_CLNT_HANDLE(clnt_hndl);
+
+  ctrl_sig.ctrl_params = BATC_CLOSE_CLIENT;
+  ctrl_sig.params.ptr_close_client = &param;
+
+  /* send control data to BAT ACI */
+  reslt = bat_send_ctrl_data(GET_INST_HNDL_FROM_CLNT_HANDLE(clnt_hndl), &ctrl_sig);
+
+  /* change back the necessary states if GDD busy */
+  switch (reslt)
+  {
+    case (BAT_BUSY_RESOURCE):
+    {
+      bat_change_client_state(clnt_mt, BAT_CLIENT_BUSY);
+      return (BAT_BUSY_RESOURCE);
+    }
+    case (BAT_ERROR):
+    {
+      return (BAT_ERROR);
+    }
+    case (BAT_OK):
+    {
+      break;
+    }    
+  }
+
+  /* client state is now changed to Idle, the close function always performs, no asynchronized signal */
+  bat_change_client_state(clnt_mt, BAT_CLIENT_IDLE);
+
+  /* if the buffer is filled with data for this client, free it and send a ready signal to GDD */
+  if ((inst_mt->buffer.buf_st EQ BAT_BUF_FILLED) AND (inst_mt->buffer.dest EQ clnt_hndl))
+  {
+    bat_change_buffer_state(inst_mt, BAT_BUF_EMPTY);
+    inst_mt->config->adapter.gdd_if.gdd_signal_ready_rcv ((T_GDD_CON_HANDLE)(inst_mt->con_handle));
+  }
+
+  return (BAT_OK);
+}
+
+/*
++----------------------------------------------------------------------------+
+| PROJECT :                    MODULE  : BINARY AT COMMAND LIBRARY           |
+| STATE   : code               ROUTINE : bat_close                           |
++----------------------------------------------------------------------------+
+PURPOSE :
+  This function is used to send a BAT command. The final result is received
+  asynchronously by response_cb(). 
+*/
+
+GLOBAL T_BAT_return bat_send   (T_BAT_client clnt_hndl, T_BAT_cmd_send *cmd)
+{
+  T_BAT_client_maintain *clnt_mt = NULL;
+  T_BAT_return ret = BAT_ERROR;
+
+  BAT_TRACE_FUNCTION ("bat_send()");
+
+  /* find the client */
+  if (bat_get_client_from_client_handle(clnt_hndl, &clnt_mt) NEQ BAT_OK)
+  {
+    BAT_TRACE_EVENT_P1("bat_send(): unknown client handle %d", clnt_hndl);
+    return (BAT_ERROR);
+  }
+
+  if (clnt_mt->client_state NEQ BAT_CLIENT_READY)
+  {
+    TRACE_EVENT_P1("bat_send(): client is not in state READY, but in %d", clnt_mt->client_state);
+    return (BAT_ERROR);
+  }
+
+  if (cmd EQ NULL)
+  {
+    TRACE_EVENT("bat_send(): cmd EQ NULL");
+    return (BAT_ERROR);
+  }
+
+  bat_change_client_state(clnt_mt, BAT_CLIENT_SENDING);
+  /* send the data (get buffer, fill buffer and send) */
+  ret = bat_send_cmd_data(clnt_hndl, cmd);
+
+  switch (ret)
+  {
+    case (BAT_BUSY_RESOURCE):
+    {
+      bat_change_client_state(clnt_mt, BAT_CLIENT_BUSY);
+      break;
+    }
+    case (BAT_ERROR):
+    {
+      bat_change_client_state(clnt_mt, BAT_CLIENT_READY);
+      break;
+    }
+    default:
+    {
+      break;
+    }
+  }
+  return (ret);
+}
+
+/*
++----------------------------------------------------------------------------+
+| PROJECT :                    MODULE  : BINARY AT COMMAND LIBRARY           |
+| STATE   : code               ROUTINE : bat_close                           |
++----------------------------------------------------------------------------+
+PURPOSE :
+  This function is used to send control information, which is not directly
+  related to a binary command request or response, to the BAT library. E.g.
+  telling the BAT Lib to stop the currently running BAT command or to inform
+  the BAT Lib that the application is no longer at BAT_BUSY_RESOURCE state,
+  but is able to receive more data.
+*/
+
+GLOBAL T_BAT_return bat_ctrl (T_BAT_client clnt_hndl, T_BAT_ctrl *ctrl)
+{
+  T_BAT_instance_maintain *inst_mt = NULL;
+  T_BAT_client_maintain   *clnt_mt = NULL;
+  T_BATC_signal           ctrl_sig;
+  T_BATC_abort_cmd        param;
+  T_BAT_return ret = BAT_ERROR;
+
+  BAT_TRACE_FUNCTION ("bat_ctrl()");
+
+  /* check the ctrl param */
+  if (ctrl EQ NULL)
+  {
+    return (BAT_ERROR);
+  }
+
+  /* get the correct instance */
+  if (bat_get_instance_from_instance_handle (GET_INST_HNDL_FROM_CLNT_HANDLE(clnt_hndl), &inst_mt))
+  {
+    return (BAT_ERROR);
+  }
+
+  /* abort the running cmd */
+  if (ctrl->event EQ BAT_ABORT)
+  {
+    /* get the correct client */
+    if (bat_get_client_from_client_handle (clnt_hndl, &clnt_mt))
+    {
+      return (BAT_ERROR);
+    }
+
+    if (clnt_mt->client_state < BAT_CLIENT_SENDING)
+    {
+      BAT_TRACE_ERROR ("bat_ctrl(): No running cmd to abort.");
+      return (BAT_ERROR);
+    }
+
+    /* set the abort cmd */
+    param.client_id = GET_CLNT_ID_FROM_CLNT_HANDLE(clnt_hndl);
+    ctrl_sig.ctrl_params = BATC_ABORT_CMD;
+    ctrl_sig.params.ptr_abort_cmd = &param;
+
+    ret = bat_send_ctrl_data(GET_INST_HNDL_FROM_CLNT_HANDLE(clnt_hndl), &ctrl_sig);
+
+    switch (ret)
+    {
+      case (BAT_BUSY_RESOURCE):
+      {
+        /* change back the client state if the command can not be aborted */
+        bat_change_client_state(clnt_mt, BAT_CLIENT_SENDING_AND_BUSY);
+       break;
+      }
+      case (BAT_ERROR):
+      {
+        BAT_TRACE_ERROR ("bat_ctrl(): sending of ctrl data FAILED!");
+        break;
+      }
+      default:
+      {
+        break;
+      }
+    }
+    return (ret);
+  }
+
+  /* this is a ready signal */
+  if (ctrl->event EQ BAT_APP_READY_RESOURCE)
+  {
+    if ((inst_mt->buffer.buf_st EQ BAT_BUF_FILLED) AND (inst_mt->buffer.dest EQ clnt_hndl))
+    {
+      BAT_TRACE_EVENT("bat_ctrl(): Ready signal received, buffered data will be sent!");
+
+      /* handle the case when the buffer is filled with unsolicited code */
+      if ((clnt_hndl EQ MAKE_UNS_CLNT_HNDL(GET_INST_HNDL_FROM_CLNT_HANDLE(clnt_hndl))))
+      {
+        if (inst_mt->unsolicited_result_cb (clnt_hndl, &(inst_mt->buffer.rsp)) NEQ BAT_BUSY_RESOURCE)
+        {
+          bat_change_buffer_state(inst_mt, BAT_BUF_EMPTY);
+
+          inst_mt->config->adapter.gdd_if.gdd_signal_ready_rcv ((T_GDD_CON_HANDLE)(inst_mt->con_handle));
+          BAT_TRACE_EVENT("bat_ctrl(): Buffer sent to APP and the ready signal sent to GDD!");
+        }
+        return (BAT_OK);
+      }
+      else /* signal the GDD that the BAT Lib is able to receive more data */
+      {
+        /* get the correct client */
+        if (bat_get_client_from_client_handle (clnt_hndl, &clnt_mt))
+        {
+          return (BAT_ERROR);
+        }
+        if (clnt_mt->response_cb(clnt_hndl, &(inst_mt->buffer.rsp)) NEQ BAT_BUSY_RESOURCE)
+        {
+          bat_change_buffer_state(inst_mt, BAT_BUF_EMPTY);
+          bat_change_client_state(clnt_mt, BAT_CLIENT_READY);
+
+          inst_mt->config->adapter.gdd_if.gdd_signal_ready_rcv ((T_GDD_CON_HANDLE)(inst_mt->con_handle));
+          BAT_TRACE_EVENT("bat_ctrl(): Buffer sent to APP and the ready signal sent to GDD!");
+        }
+        return (BAT_OK);
+      }
+    }
+  }
+  return (BAT_ERROR);
+}
+
+
+#endif
+
+
+