--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cs/services/audio/audio_ffs.c	Sun Jul 22 07:41:05 2018 +0000
@@ -0,0 +1,1437 @@
+/****************************************************************************/
+/*                                                                          */
+/*  Name        audio_ffs.c                                                 */
+/*                                                                          */
+/*  Function    this file contains the  AUDIO ffs function:                 */
+/*									                                        */
+/*                                                                          */
+/*  Version   0.1                                                           */
+/*                                                                          */
+/*  Date        Modification                                                */
+/*  ------------------------------------                                    */
+/*  18 May 2001  Create                                                     */
+/*                                                                          */
+/*  Author   Francois Mazard - Stephanie Gerthoux                           */
+/*                                                                          */
+/* (C) Copyright 2001 by Texas Instruments Incorporated, All Rights Reserved*/
+/****************************************************************************/
+
+#include "rv/rv_defined_swe.h"
+#ifdef RVM_AUDIO_MAIN_SWE
+  #ifndef _WINDOWS
+    #include "config/swconfig.cfg"
+    #include "config/sys.cfg"
+    #include "config/chipset.cfg"
+  #endif
+
+  #include "l1_confg.h"
+  #if (MELODY_E1) || (MELODY_E2) || (VOICE_MEMO)
+    #include "rvf/rvf_api.h"
+    #include "rv/rv_general.h"
+    #include "rvm/rvm_gen.h"
+    #include "audio/audio_api.h"
+    #include "audio/audio_env_i.h"
+    #include "audio/audio_ffs_i.h"
+    #include "audio/audio_structs_i.h"
+    #include "audio/audio_macro_i.h"
+    #include "rvf/rvf_target.h"
+    #include "audio/audio_const_i.h"
+    #include "audio/audio_var_i.h"
+    #include "audio/audio_error_hdlr_i.h"
+    #include "audio/audio_messages_i.h"
+
+    /* include the usefull L1 header */
+    #define BOOL_FLAG
+    #define CHAR_FLAG
+    #include "l1_types.h"
+    #include "l1audio_cust.h"
+    #include "l1audio_const.h"
+    #include "l1audio_msgty.h"
+    #include "l1audio_signa.h"
+
+    #include "ffs/ffs_api.h"
+
+
+    /********************************************************************************/
+    /*                                                                              */
+    /*    Function Name:   audio_ffs_manager                                        */
+    /*                                                                              */
+    /*    Purpose:  This function is called to manage the FFS request from the      */
+    /*              audio entity                                                    */
+    /*                                                                              */
+    /*    Input Parameters:                                                         */
+    /*        message from the audio entity                                         */
+    /*                                                                              */
+    /*    Output Parameters:                                                        */
+    /*        None.                                                                 */
+    /*                                                                              */
+    /*    Note:                                                                     */
+    /*        None.                                                                 */
+    /*                                                                              */
+    /*    Revision History:                                                         */
+    /*        None.                                                                 */
+    /*                                                                              */
+    /********************************************************************************/
+    void audio_ffs_manager (T_RV_HDR *p_message)
+    {
+      UINT8 j, active_task, index_ffs, index_l1, *p_buffer, channel_id;
+      T_AUDIO_FFS_SESSION *p_session;
+      T_RV_HDR            *p_send_message;
+      T_RVF_MB_STATUS     mb_status;
+      BOOLEAN             loop_mode;
+      #ifndef _WINDOWS
+        UINT16              voice_memo_size, *p_scan;
+      #else
+        UINT16              i;
+        UINT8               *p_mem;
+      #endif
+      UINT16              buffer_size;
+      T_FFS_SIZE          size;
+      T_RV_RET            status;
+
+      switch (p_message->msg_id)
+      {
+        case AUDIO_FFS_FLASH_2_RAM_START_REQ:
+        {
+          AUDIO_SEND_TRACE_PARAM("AUDIO FFS MANAGER: flash to RAM session_id",
+            ((T_AUDIO_FFS_FLASH_2_RAM_START *)p_message)->session_id, RV_TRACE_LEVEL_DEBUG_LOW);
+
+          /* Find a free channel */
+          channel_id = 0;
+          while ( (p_audio_gbl_var->audio_ffs_session[channel_id].session_req.valid_channel) &&
+                  (channel_id < AUDIO_FFS_MAX_CHANNEL) )
+            channel_id++;
+
+          AUDIO_SEND_TRACE_PARAM("AUDIO FFS MANAGER: open channel",
+            channel_id, RV_TRACE_LEVEL_DEBUG_LOW);
+
+          p_session =
+            &(p_audio_gbl_var->audio_ffs_session[channel_id]);
+
+          /* fill the request structure corresponding to the session id */
+          p_session->session_req.audio_ffs_fd =
+            ((T_AUDIO_FFS_FLASH_2_RAM_START *)p_message)->audio_ffs_fd;
+          p_session->session_req.size =
+            ((T_AUDIO_FFS_FLASH_2_RAM_START *)p_message)->initial_size;
+          p_session->session_req.loop_mode =
+            ((T_AUDIO_FFS_FLASH_2_RAM_START *)p_message)->loop;
+          p_session->session_req.session_id =
+            ((T_AUDIO_FFS_FLASH_2_RAM_START *)p_message)->session_id;
+
+          /************************************************************/
+          /* the FFS must download the 2 first buffers to the RAM     */
+          /************************************************************/
+          for (j=0; j<2; j++)
+          {
+            /* allocate the first buffer */
+            p_session->session_info.buffer[j].size =
+            p_session->session_req.size;
+
+            mb_status = rvf_get_buf (p_audio_gbl_var->mb_audio_ffs,
+                                     p_session->session_info.buffer[j].size,
+                                     (T_RVF_BUFFER **) (&p_session->session_info.buffer[j].p_start_pointer));
+
+            /* If insufficient resources, then report a memory error and abort.               */
+            if (mb_status == RVF_RED)
+            {
+              audio_ffs_error_trace(AUDIO_ENTITY_NO_MEMORY);
+            }
+
+            AUDIO_SEND_TRACE_PARAM("AUDIO FFS MANAGER: allocate buffer",
+                j, RV_TRACE_LEVEL_DEBUG_LOW);
+
+            /* intialize the stop pointer */
+            p_session->session_info.buffer[j].p_stop_pointer =
+              p_session->session_info.buffer[j].p_start_pointer +
+              (p_session->session_info.buffer[j].size);
+
+            /* Fill the buffer j while it isn't full in case of the loop back mode activated */
+            loop_mode = TRUE;
+            buffer_size = p_session->session_info.buffer[j].size;
+            p_buffer = (UINT8 *)p_session->session_info.buffer[j].p_start_pointer;
+            while ( (p_buffer < p_session->session_info.buffer[j].p_stop_pointer) &&
+                    (loop_mode) )
+            {
+              loop_mode = p_session->session_req.loop_mode;
+
+              #ifndef _WINDOWS
+                size = ffs_read(p_session->session_req.audio_ffs_fd,
+                                p_buffer,
+                                buffer_size);
+              #else
+                size = buffer_size;
+                p_mem = p_buffer;
+                for (i=0; i<size; i++)
+                {
+                  *p_mem = (UINT8)i;
+                  p_mem++;
+                }
+              #endif
+
+              AUDIO_SEND_TRACE_PARAM("AUDIO FFS MANAGER: ffs_read size",
+                size, RV_TRACE_LEVEL_DEBUG_LOW);
+
+              buffer_size -= size;
+              p_buffer += size;
+
+              if (buffer_size != 0)
+              {
+                #ifndef _WINDOWS
+                  /* reset the FFS pointer */
+                  ffs_seek(p_session->session_req.audio_ffs_fd,
+                           0,
+                            FFS_SEEK_SET);
+                #endif
+              }
+            } /* while */
+          } /* for (j=0; j<2; j++) */
+
+          /* initialize the cust_get_pointer state machine */
+          p_session->session_info.cust_get_pointer_state = AUDIO_CUST_GET_POINTER_INIT;
+
+          /* inform the L1 to use the buffer 0 */
+          p_session->session_info.index_l1 = 0;
+
+          /* inform the FFS downloader to fill the buffer 0 when the L1 doesn't used */
+          p_session->session_info.index_ffs = 0;
+
+          p_session->session_req.session_mode =
+            AUDIO_FFS_FLASH_2_RAM_SESSION;
+
+          /* a new session is valid now */
+          p_session->session_req.valid_channel = TRUE;
+
+          /* Active the downloader if it is not already activated */
+          active_task = 0;
+          for (j=0; j<AUDIO_FFS_MAX_CHANNEL; j++)
+          {
+            if ( p_audio_gbl_var->audio_ffs_session[j].session_req.valid_channel )
+            {
+              active_task++;
+            }
+          }
+          AUDIO_SEND_TRACE_PARAM("AUDIO FFS MANAGER: active session",
+            active_task, RV_TRACE_LEVEL_DEBUG_LOW);
+          if (active_task == 1)
+          {
+            AUDIO_SEND_TRACE("AUDIO FFS MANAGER: start FFS DOWNLOADER", RV_TRACE_LEVEL_DEBUG_LOW);
+
+            /* Active asap the FFS downloader */
+            rvf_start_timer(AUDIO_FFS_TIMER, AUDIO_FFS_ACTIVE_NOW, AUDIO_FFS_ONE_SHOT_TIMER);
+          }
+
+          /* Send the message to confirm that the first buffer is downloaded */
+          /* allocate the message buffer */
+          mb_status = rvf_get_buf (p_audio_gbl_var->mb_internal,
+                                   sizeof (T_AUDIO_FFS_INIT),
+                                   (T_RVF_BUFFER **) (&p_send_message));
+
+          /* If insufficient resources, then report a memory error and abort.               */
+          if (mb_status == RVF_RED)
+          {
+            audio_ffs_error_trace(AUDIO_ENTITY_NO_MEMORY);
+          }
+
+          /* fill the header of the message */
+          ((T_AUDIO_FFS_INIT*)(p_send_message))->os_hdr.msg_id = AUDIO_FFS_INIT_DONE;
+
+          /* fill the status parameters */
+          ((T_AUDIO_FFS_INIT *)(p_send_message))->session_id =
+            ((T_AUDIO_FFS_FLASH_2_RAM_START *)p_message)->session_id;
+          ((T_AUDIO_FFS_INIT *)(p_send_message))->channel_id =
+            channel_id;
+
+
+          /* send the message to the AUDIO entity */
+          rvf_send_msg (p_audio_gbl_var->addrId,
+                        p_send_message);
+          break;
+        }
+        case AUDIO_FFS_RAM_2_FLASH_START_REQ:
+        {
+          AUDIO_SEND_TRACE_PARAM("AUDIO FFS MANAGER: RAM to flash session_id",
+            ((T_AUDIO_FFS_RAM_2_FLASH_START *)p_message)->session_id, RV_TRACE_LEVEL_DEBUG_LOW);
+
+          /* Find a free channel */
+          channel_id = 0;
+          while ( (p_audio_gbl_var->audio_ffs_session[channel_id].session_req.valid_channel) &&
+                  (channel_id < AUDIO_FFS_MAX_CHANNEL) )
+            channel_id++;
+
+          AUDIO_SEND_TRACE_PARAM("AUDIO FFS MANAGER: open channel",
+            channel_id, RV_TRACE_LEVEL_DEBUG_LOW);
+
+          p_session =
+            &(p_audio_gbl_var->audio_ffs_session[channel_id]);
+
+          /* fill the request structure corresponding to the session id */
+          p_session->session_req.size =
+            ((T_AUDIO_FFS_RAM_2_FLASH_START *)p_message)->initial_size;
+          p_session->session_req.loop_mode = FALSE;
+          p_session->session_req.audio_ffs_fd =
+            ((T_AUDIO_FFS_RAM_2_FLASH_START *)p_message)->audio_ffs_fd;
+          p_session->session_req.session_mode =
+            AUDIO_FFS_RAM_2_FLASH_SESSION;
+          p_session->session_req.session_id =
+            ((T_AUDIO_FFS_RAM_2_FLASH_START *)p_message)->session_id;
+
+          /********************* TO BE COMPLETED **********************/
+          /* the FFS must allocate the first buffer to the RAM        */
+          /************************************************************/
+          for (j=0; j<2; j++)
+          {
+            mb_status = rvf_get_buf (p_audio_gbl_var->mb_audio_ffs,
+                                     p_session->session_req.size,
+                                    (T_RVF_BUFFER **) (&p_session->session_info.buffer[j].p_start_pointer));
+
+            /* If insufficient resources, then report a memory error and abort.               */
+            if (mb_status == RVF_RED)
+            {
+              audio_ffs_error_trace(AUDIO_ENTITY_NO_MEMORY);
+            }
+
+            AUDIO_SEND_TRACE_PARAM("AUDIO FFS MANAGER: allocate buffer",
+                j, RV_TRACE_LEVEL_DEBUG_LOW);
+
+            /* Copy the initial size */
+            p_session->session_info.buffer[j].size = p_session->session_req.size;
+          }
+
+          /* initialize the cust_get_pointer state machine */
+          p_session->session_info.cust_get_pointer_state = AUDIO_CUST_GET_POINTER_INIT;
+
+          /* inform the L1 to use the buffer 0 */
+          p_session->session_info.index_l1 = 0;
+
+          /* inform the FFS downloader to read the buffer 0 when the L1 doesn't used */
+          p_session->session_info.index_ffs = 0;
+
+          /* a new session is valid now */
+          p_session->session_req.valid_channel = TRUE;
+
+          /* Active the downloader if it is not already activated */
+          active_task = 0;
+          for (j=0; j<AUDIO_FFS_MAX_CHANNEL; j++)
+          {
+            if ( p_audio_gbl_var->audio_ffs_session[j].session_req.valid_channel)
+            {
+              active_task++;
+            }
+          }
+          AUDIO_SEND_TRACE_PARAM("AUDIO FFS MANAGER: active session",
+            active_task, RV_TRACE_LEVEL_DEBUG_LOW);
+
+          if (active_task == 1)
+          {
+            AUDIO_SEND_TRACE("AUDIO FFS MANAGER: start FFS DOWNLOADER", RV_TRACE_LEVEL_DEBUG_LOW);
+
+            /* Active asap the FFS downloader */
+            rvf_start_timer(AUDIO_FFS_TIMER, AUDIO_FFS_ACTIVE_NOW, AUDIO_FFS_ONE_SHOT_TIMER);
+          }
+          /* Send the message to confirm that the first buffer is allocated */
+          /* allocate the message buffer */
+          mb_status = rvf_get_buf (p_audio_gbl_var->mb_internal,
+                                   sizeof (T_AUDIO_FFS_INIT),
+                                   (T_RVF_BUFFER **) (&p_send_message));
+
+          /* If insufficient resources, then report a memory error and abort.               */
+          if (mb_status == RVF_RED)
+          {
+            audio_ffs_error_trace(AUDIO_ENTITY_NO_MEMORY);
+          }
+
+          /* fill the header of the message */
+          ((T_AUDIO_FFS_INIT*)(p_send_message))->os_hdr.msg_id = AUDIO_FFS_INIT_DONE;
+
+          /* fill the status parameters */
+          ((T_AUDIO_FFS_INIT *)(p_send_message))->session_id =
+            ((T_AUDIO_FFS_RAM_2_FLASH_START *)p_message)->session_id;
+          ((T_AUDIO_FFS_INIT *)(p_send_message))->channel_id =
+            channel_id;
+
+          /* send the message to the AUDIO entity */
+          rvf_send_msg (p_audio_gbl_var->addrId,
+                        p_send_message);
+
+          break;
+        }
+
+        case AUDIO_FFS_STOP_REQ:
+        {
+          /* Find a channel corresponding to this session */
+          channel_id = 0;
+          while ( (p_audio_gbl_var->audio_ffs_session[channel_id].session_req.session_id
+                    != ((T_AUDIO_FFS_STOP_REQ *)p_message)->session_id) &&
+                  (channel_id < AUDIO_FFS_MAX_CHANNEL) )
+            channel_id++;
+
+          p_session = &(p_audio_gbl_var->audio_ffs_session[channel_id]);
+
+          AUDIO_SEND_TRACE_PARAM("AUDIO FFS MANAGER: stop session_id",
+            ((T_AUDIO_FFS_STOP_REQ *)p_message)->session_id, RV_TRACE_LEVEL_DEBUG_LOW);
+          AUDIO_SEND_TRACE_PARAM("AUDIO FFS MANAGER: close channel",
+            channel_id, RV_TRACE_LEVEL_DEBUG_LOW);
+
+          /* the task is stopped */
+          p_session->session_req.valid_channel = FALSE;
+
+          /* the stop process depends on the session_mode and sometimes the session_id */
+          #if (VOICE_MEMO)
+            if ( (p_session->session_req.session_mode == AUDIO_FFS_RAM_2_FLASH_SESSION) &&
+                 (((T_AUDIO_FFS_STOP_REQ *)p_message)->session_id == AUDIO_FFS_SESSION_VM_RECORD) )
+            {
+              index_l1 = p_session->session_info.index_l1;
+              index_ffs = p_session->session_info.index_ffs;
+
+              if (index_ffs != index_l1)
+              /* There's two buffers to save: one full (index_ffs) and one not full (index_l1) */
+              {
+                AUDIO_SEND_TRACE("AUDIO FFS MANAGER: end of VM record session with index_l1<>index_ffs", RV_TRACE_LEVEL_DEBUG_LOW);
+
+                #ifndef _WINDOWS
+                  /* save the full buffer */
+                  if ((ffs_write (p_session->session_req.audio_ffs_fd,
+                                  p_session->session_info.buffer[index_ffs].p_start_pointer,
+                                  p_session->session_req.size)) < EFFS_OK)
+                  {
+                    audio_ffs_error_trace(AUDIO_ENTITY_FILE_NO_SAVED);
+                  }
+
+                  /* save a part of the buffer pointed by the L1 */
+                  voice_memo_size = 2;
+                  p_scan = (UINT16 *)(p_session->session_info.buffer[index_l1].p_start_pointer);
+                  while ( (*p_scan++) != SC_VM_END_MASK )
+                  {
+                    voice_memo_size += 2;
+                  }
+
+                  if ((ffs_write  (p_session->session_req.audio_ffs_fd,
+                                   p_session->session_info.buffer[index_l1].p_start_pointer,
+                                   voice_memo_size)) < EFFS_OK)
+                  {
+                    audio_ffs_error_trace(AUDIO_ENTITY_FILE_NO_SAVED);
+                  }
+                #endif
+              }
+              else
+              /* 1 buffer (not full) needs to be saved */
+              {
+                AUDIO_SEND_TRACE("AUDIO FFS MANAGER: end of VM record session with index_l1==index_ffs", RV_TRACE_LEVEL_DEBUG_LOW);
+                #ifndef _WINDOWS
+                  voice_memo_size = 2;
+                  p_scan = (UINT16*)(p_session->session_info.buffer[index_l1].p_start_pointer);
+                  while ( (*p_scan++) != SC_VM_END_MASK )
+                  {
+                    voice_memo_size += 2;
+                  }
+
+                  if ((ffs_write (p_session->session_req.audio_ffs_fd,
+                                  p_session->session_info.buffer[index_l1].p_start_pointer,
+                                  voice_memo_size)) < EFFS_OK)
+                  {
+                    audio_ffs_error_trace(AUDIO_ENTITY_FILE_NO_SAVED);
+                  }
+                #endif
+              } /* index_ffs != index_l1 */
+            }
+          #endif /* VOICE_MEMO */
+          /* deallocate the buffers */
+          for (j=0; j<AUDIO_MAX_FFS_BUFFER_PER_SESSION; j++)
+          {
+            status = rvf_free_buf ( (T_RVF_BUFFER *)(p_session->session_info.buffer[j].p_start_pointer) );
+            if (status != RVF_GREEN)
+            {
+              AUDIO_SEND_TRACE(" wrong buffer deallocated ",
+                               RV_TRACE_LEVEL_ERROR);
+            }
+            AUDIO_SEND_TRACE_PARAM("AUDIO FFS MANAGER: deallocate buffer",
+                j, RV_TRACE_LEVEL_DEBUG_LOW);
+          }
+
+          /* Close the FFS file */
+          #ifndef _WINDOWS
+            if ( ffs_close(p_session->session_req.audio_ffs_fd) != EFFS_OK )
+            {
+              audio_ffs_error_trace(AUDIO_ENTITY_FILE_NO_CLOSE);
+            }
+          #endif
+
+          /* Send the message to confirm that the session is stopped */
+          /* allocate the message buffer */
+          mb_status = rvf_get_buf (p_audio_gbl_var->mb_internal,
+                                   sizeof (T_AUDIO_FFS_STOP_CON),
+                                   (T_RVF_BUFFER **)(&p_send_message));
+
+          /* If insufficient resources, then report a memory error and abort.               */
+          if (mb_status == RVF_RED)
+          {
+            audio_ffs_error_trace(AUDIO_ENTITY_NO_MEMORY);
+          }
+
+          /* fill the header of the message */
+          ((T_AUDIO_FFS_STOP_CON*)(p_send_message))->os_hdr.msg_id = AUDIO_FFS_STOP_CON;
+
+          /* fill the status parameters */
+          ((T_AUDIO_FFS_STOP_CON*)(p_send_message))->session_id =
+            ((T_AUDIO_FFS_STOP_REQ *)p_message)->session_id;
+
+          /* send the message to the AUDIO entity */
+          rvf_send_msg (p_audio_gbl_var->addrId,
+                        p_send_message);
+          break;
+        }
+      } /* switch (p_message) */
+    }
+
+    /********************************************************************************/
+    /*                                                                              */
+    /*    Function Name:   audio_ffs_downloader                                     */
+    /*                                                                              */
+    /*    Purpose:  This function is called to download the melody, voice memo data */
+    /*              between the RAM and the FLASH.                                  */
+    /*                                                                              */
+    /*    Input Parameters:                                                         */
+    /*        None.                                                                 */
+    /*                                                                              */
+    /*    Output Parameters:                                                        */
+    /*        None.                                                                 */
+    /*                                                                              */
+    /*    Note:                                                                     */
+    /*        None.                                                                 */
+    /*                                                                              */
+    /*    Revision History:                                                         */
+    /*        None.                                                                 */
+    /*                                                                              */
+    /********************************************************************************/
+    void audio_ffs_downloader(void)
+    {
+      UINT8               i, index_ffs, index_l1, *p_buffer;
+      T_AUDIO_FFS_SESSION *p_session;
+      UINT16              buffer_size;
+      T_FFS_SIZE          size = 0;
+      BOOLEAN             loop_mode, active_session;
+
+      /* Scan all session in order to know which is valid */
+      active_session = FALSE;
+      for (i=0; i<AUDIO_FFS_MAX_CHANNEL; i++)
+      {
+       p_session = &(p_audio_gbl_var->audio_ffs_session[i]);
+       if (p_session->session_req.valid_channel)
+       {
+          /* a session is valid */
+          active_session = TRUE;
+
+          index_l1 = p_session->session_info.index_l1;
+          index_ffs = p_session->session_info.index_ffs;
+
+          if (index_l1 != index_ffs)
+          /* It's time to download a new buffer for the L1 */
+          {
+            AUDIO_SEND_TRACE_PARAM("AUDIO FFS DOWNLOADER: index_l1",
+              index_l1, RV_TRACE_LEVEL_DEBUG_LOW);
+            AUDIO_SEND_TRACE_PARAM("AUDIO FFS DOWNLOADER: index_ffs",
+              index_ffs, RV_TRACE_LEVEL_DEBUG_LOW);
+
+            switch (p_session->session_req.session_mode)
+            {
+              case AUDIO_FFS_FLASH_2_RAM_SESSION:
+              {
+                AUDIO_SEND_TRACE("AUDIO FFS DOWNLOADER: FLASH to RAM", RV_TRACE_LEVEL_DEBUG_LOW);
+
+                /* Fill the buffer 0 while it isn't full in case of the loop back mode activated */
+                loop_mode = TRUE;
+                buffer_size = p_session->session_info.buffer[index_ffs].size;
+                p_buffer = (UINT8 *)p_session->session_info.buffer[index_ffs].p_start_pointer;
+                while ( (p_buffer < p_session->session_info.buffer[index_ffs].p_stop_pointer) &&
+                        (loop_mode) )
+                {
+                  loop_mode = p_session->session_req.loop_mode;
+
+                  #ifndef _WINDOWS
+                    size = ffs_read(p_session->session_req.audio_ffs_fd,
+                                    p_buffer,
+                                    buffer_size);
+                  #endif
+
+                  AUDIO_SEND_TRACE_PARAM("AUDIO FFS MANAGER: ffs_read size",
+                    size, RV_TRACE_LEVEL_DEBUG_LOW);
+
+                  buffer_size -= size;
+                  p_buffer += size;
+
+                  if (buffer_size != 0)
+                  {
+                    #ifndef _WINDOWS
+                      /* reset the FFS pointer */
+                      ffs_seek(p_session->session_req.audio_ffs_fd,
+                               0,
+                               FFS_SEEK_SET);
+                    #endif
+                  }
+                } /* while */
+                break;
+              }
+
+              case AUDIO_FFS_RAM_2_FLASH_SESSION:
+              {
+                AUDIO_SEND_TRACE("AUDIO FFS DOWNLOADER: RAM to FLASH", RV_TRACE_LEVEL_DEBUG_LOW);
+
+                /* save the full buffer */
+                #ifndef _WINDOWS
+                  if ((ffs_write  (p_session->session_req.audio_ffs_fd,
+                                   p_session->session_info.buffer[index_ffs].p_start_pointer,
+                                   p_session->session_req.size)) < EFFS_OK)
+                  {
+                    audio_ffs_error_trace(AUDIO_ENTITY_FILE_NO_SAVED);
+                  }
+                #endif
+                break;
+              }
+            } /* switch (p_session->session_req.session_mode) */
+
+            /* update the ffs buffer index */
+            p_session->session_info.index_ffs++;
+            if (p_session->session_info.index_ffs == AUDIO_MAX_FFS_BUFFER_PER_SESSION)
+            {
+              p_session->session_info.index_ffs = 0;
+            }
+          } /* (p_session->session_info.index_l1 != p_session->session_info.index_l1) */
+        } /* valid session */
+      } /* for (i=0; i<AUDIO_FFS_MAX_CHANNEL; i++) */
+
+      /* Activate or not the Timer the next time */
+      if (active_session)
+      {
+        rvf_start_timer(AUDIO_FFS_TIMER, AUDIO_FFS_TIME_OUT, AUDIO_FFS_ONE_SHOT_TIMER);
+      }
+      else
+      {
+        AUDIO_SEND_TRACE("AUDIO FFS DOWNLOADER: stop", RV_TRACE_LEVEL_DEBUG_LOW);
+        /* Stop asap the FFS downloader */
+        rvf_stop_timer(AUDIO_FFS_TIMER);
+      }
+    }
+  #endif /* MELODY_E1 || MELODY_E2 || VOICE_MEMO */
+
+#if (L1_VOICE_MEMO_AMR)
+  T_AUDIO_RET audio_convert_to_mms(UINT8 *p_buffer, UINT16 *buffer_size, UINT8 *previous_type, UINT8 *size_left)
+  {
+    UINT8 rxtx_type, frame_header, data_size;
+    UINT8 frame_type, quality;
+    UINT8 *ptr_final, *ptr_mms;
+
+    ptr_mms = p_buffer;
+    ptr_final = ptr_mms + *buffer_size;
+
+    /* sample is shared among the 2 buffers */
+    if (*size_left > 0)
+    {
+      UINT8 i;
+
+      switch (*previous_type)
+      {
+        case AUDIO_VM_AMR_RXTX_SID_FIRST:
+          /* set data bits to 0 */
+          for (i = 0; i < *size_left; i++)
+            *(ptr_mms + i) = 0;
+          /* set Mode Indication */
+          *(ptr_mms + *size_left - 1) = AUDIO_MMS_MODE_INDICATION;
+        break;
+        case AUDIO_VM_AMR_RXTX_SID_UPDATE:
+        //case AUDIO_VM_AMR_RXTX_SID_BAD:
+          *(ptr_mms + *size_left - 1) |= AUDIO_MMS_STI_BIT | AUDIO_MMS_MODE_INDICATION;
+        break;
+      }
+      ptr_mms += *size_left;
+    }
+    *size_left = 0;
+
+    while (ptr_mms < ptr_final)
+    {
+      /* read header */
+      frame_header = *ptr_mms;
+
+      /* if end_mask, stop */
+      if (frame_header == SC_VM_AMR_END_MASK)
+      {
+        *buffer_size = (ptr_mms - p_buffer);
+        return AUDIO_OK;
+      }
+
+      /* reset header */
+      *ptr_mms = 0;
+
+      rxtx_type  = (frame_header & SC_RX_TX_TYPE_MASK);
+      *previous_type = rxtx_type;
+      switch (rxtx_type)
+      {
+        case AUDIO_VM_AMR_RXTX_SPEECH_GOOD:
+        //case AUDIO_VM_AMR_RXTX_SPEECH_BAD:
+        {
+          /* FT + data_size */
+          frame_type = frame_header & SC_CHAN_TYPE_MASK;
+          switch (frame_type)
+          {
+            case AUDIO_VM_AMR_SPEECH_475:
+              data_size = AUDIO_VM_AMR_SPEECH_475_DATA_SIZE;
+            break;
+            case AUDIO_VM_AMR_SPEECH_515:
+              data_size = AUDIO_VM_AMR_SPEECH_515_DATA_SIZE;
+            break;
+            case AUDIO_VM_AMR_SPEECH_59:
+              data_size = AUDIO_VM_AMR_SPEECH_590_DATA_SIZE;
+            break;
+            case AUDIO_VM_AMR_SPEECH_67:
+              data_size = AUDIO_VM_AMR_SPEECH_670_DATA_SIZE;
+            break;
+            case AUDIO_VM_AMR_SPEECH_74:
+              data_size = AUDIO_VM_AMR_SPEECH_740_DATA_SIZE;
+            break;
+            case AUDIO_VM_AMR_SPEECH_795:
+              data_size = AUDIO_VM_AMR_SPEECH_795_DATA_SIZE;
+            break;
+            case AUDIO_VM_AMR_SPEECH_102:
+              data_size = AUDIO_VM_AMR_SPEECH_102_DATA_SIZE;
+            break;
+            case AUDIO_VM_AMR_SPEECH_122:
+              data_size = AUDIO_VM_AMR_SPEECH_122_DATA_SIZE;
+            break;
+          }
+          /* Q */
+          //if (rxtx_type == AUDIO_VM_AMR_RXTX_SPEECH_GOOD)
+            quality = AUDIO_MMS_GOOD_QUALITY;
+          //else
+          //  quality = AUDIO_MMS_BAD_QUALITY;
+        }
+        break;
+        case AUDIO_VM_AMR_RXTX_SID_FIRST:
+        case AUDIO_VM_AMR_RXTX_SID_UPDATE:
+        //case AUDIO_VM_AMR_RXTX_SID_BAD:
+        {
+          /* FT, data_size, Q */
+          frame_type = AUDIO_MMS_SID_FRAME_TYPE;
+          data_size = AUDIO_VM_AMR_SID_DATA_SIZE;
+          //if ((rxtx_type == AUDIO_VM_AMR_RXTX_SID_FIRST)||
+          //    (rxtx_type == AUDIO_VM_AMR_RXTX_SID_UPDATE))
+          //{
+            quality = AUDIO_MMS_GOOD_QUALITY;
+          //}
+          //else
+          //  quality = AUDIO_MMS_BAD_QUALITY;
+
+          /* data, STI, Mode indication */
+          if (rxtx_type == AUDIO_VM_AMR_RXTX_SID_FIRST)
+          {
+            UINT8 data, i;
+
+            /* number of bytes to set to 0 */
+            data = ((ptr_final - ptr_mms) >= (data_size + 1)) ? (data_size) : (ptr_final - ptr_mms - 1);
+
+            /* set data bits to 0 */
+            for (i = 0; i < data; i++)
+              *(ptr_mms + 1 + i) = 0;
+
+            /* set Mode indication */
+            if ((ptr_final - ptr_mms) >= (data_size + 1))
+              *(ptr_mms + data_size) = AUDIO_MMS_MODE_INDICATION;
+
+          }
+          /* SID_UPDATE */
+          else
+          {
+            /* set STI bit to 1 + Mode indication */
+            if ((ptr_final - ptr_mms) >= (data_size + 1))
+              *(ptr_mms + data_size) |= AUDIO_MMS_STI_BIT | AUDIO_MMS_MODE_INDICATION;
+          }
+        }
+        break;
+        case AUDIO_VM_AMR_RXTX_NO_DATA:
+          frame_type = AUDIO_MMS_NO_DATA_FRAME_TYPE;
+          data_size = AUDIO_VM_AMR_NO_DATA_DATA_SIZE;
+          quality = AUDIO_MMS_GOOD_QUALITY;
+        break;
+        default:
+        {
+          AUDIO_SEND_TRACE_PARAM("AUDIO MEMORY MANAGER: convert to MMS, header not recognized", frame_header, RV_TRACE_LEVEL_DEBUG_LOW);
+          return AUDIO_ERROR;
+        }
+      }
+      /* write header */
+      *(ptr_mms)++ |= (frame_type << AUDIO_MMS_FRAME_TYPE_SHIFT) | (quality << AUDIO_MMS_QUALITY_SHIFT);
+
+      /* write data, check we are not at the end of the buffer */
+      if ((ptr_final - ptr_mms) < data_size)
+      {
+        *size_left = data_size - (ptr_final - ptr_mms);
+        data_size = ptr_final - ptr_mms;
+      }
+      ptr_mms += data_size;
+    }
+    *buffer_size = (ptr_final - p_buffer);
+    return AUDIO_OK;
+  }
+
+  T_AUDIO_RET audio_convert_from_mms(UINT8 *p_buffer, UINT16 buffer_size, UINT8 *previous_type, UINT8 *size_left)
+  {
+    UINT8 frame_header, data_size;
+    UINT8 frame_type, quality;
+    UINT8 *ptr_final, *ptr_mms;
+
+    ptr_mms = p_buffer;
+    ptr_final = ptr_mms + buffer_size;
+
+    /* a sample is split between 2 RAM buffers */
+    if (*size_left > 0)
+    {
+      /* if SID sample, remove STI and mode indication */
+      if (*previous_type == AUDIO_MMS_SID_FRAME_TYPE)
+      {
+        *(ptr_mms + *size_left - 1) &= (~(AUDIO_MMS_STI_BIT | AUDIO_MMS_MODE_INDICATION));
+      }
+      ptr_mms += *size_left;
+      *size_left = 0;
+    }
+
+    while (ptr_mms < ptr_final)
+    {
+      /* read header */
+      frame_header = *ptr_mms;
+
+      /* reset header */
+      *ptr_mms = 0;
+
+      /* FT and Q */
+      frame_type = (frame_header & AUDIO_MMS_FRAME_TYPE_MASK) >> AUDIO_MMS_FRAME_TYPE_SHIFT;
+      quality    = (frame_header & AUDIO_MMS_QUALITY_MASK) >> AUDIO_MMS_QUALITY_SHIFT;
+      *previous_type = frame_type;
+
+      /* Identify sample */
+      if (frame_type < AUDIO_MMS_SID_FRAME_TYPE)
+      {
+        /* speech good or bad */
+        *ptr_mms |= frame_type;
+        if (quality == AUDIO_MMS_GOOD_QUALITY)
+          *ptr_mms |= AUDIO_VM_AMR_RXTX_SPEECH_GOOD;
+        else
+          *ptr_mms |= AUDIO_VM_AMR_RXTX_SPEECH_BAD;
+
+        switch (frame_type)
+        {
+          case AUDIO_VM_AMR_SPEECH_475:
+            data_size = AUDIO_VM_AMR_SPEECH_475_DATA_SIZE;
+          break;
+          case AUDIO_VM_AMR_SPEECH_515:
+            data_size = AUDIO_VM_AMR_SPEECH_515_DATA_SIZE;
+          break;
+          case AUDIO_VM_AMR_SPEECH_59:
+            data_size = AUDIO_VM_AMR_SPEECH_590_DATA_SIZE;
+          break;
+          case AUDIO_VM_AMR_SPEECH_67:
+            data_size = AUDIO_VM_AMR_SPEECH_670_DATA_SIZE;
+          break;
+          case AUDIO_VM_AMR_SPEECH_74:
+            data_size = AUDIO_VM_AMR_SPEECH_740_DATA_SIZE;
+          break;
+          case AUDIO_VM_AMR_SPEECH_795:
+            data_size = AUDIO_VM_AMR_SPEECH_795_DATA_SIZE;
+          break;
+          case AUDIO_VM_AMR_SPEECH_102:
+            data_size = AUDIO_VM_AMR_SPEECH_102_DATA_SIZE;
+          break;
+          case AUDIO_VM_AMR_SPEECH_122:
+            data_size = AUDIO_VM_AMR_SPEECH_122_DATA_SIZE;
+          break;
+        }
+      }
+      else if (frame_type == AUDIO_MMS_SID_FRAME_TYPE)
+      {
+        data_size = AUDIO_VM_AMR_SID_DATA_SIZE;
+        /* SID_BAD */
+        if (quality == AUDIO_MMS_BAD_QUALITY)
+          *ptr_mms |= AUDIO_VM_AMR_RXTX_SID_BAD;
+        /* SID_FIRST or SID_UPDATE */
+        else
+        {
+          if (*previous_type == AUDIO_MMS_NO_DATA_FRAME_TYPE)
+            *ptr_mms |= AUDIO_VM_AMR_RXTX_SID_UPDATE;
+          else
+            *ptr_mms |= AUDIO_VM_AMR_RXTX_SID_FIRST;
+          /* try to remove STI + mode indication if sample not split between 2 buffers */
+          if ((ptr_final - ptr_mms) >= (data_size + 1))
+            *(ptr_mms + data_size) &= (~(AUDIO_MMS_STI_BIT | AUDIO_MMS_MODE_INDICATION));
+        }
+      }
+      else if (frame_type == AUDIO_MMS_NO_DATA_FRAME_TYPE)
+      {
+        data_size = AUDIO_VM_AMR_NO_DATA_DATA_SIZE;
+        *ptr_mms |= AUDIO_VM_AMR_RXTX_NO_DATA;
+      }
+      else
+      {
+        AUDIO_SEND_TRACE_PARAM("AUDIO MEMORY MANAGER: convert from MMS, header not recognized", frame_header, RV_TRACE_LEVEL_DEBUG_LOW);
+        return AUDIO_ERROR;
+      }
+
+      /* pass header */
+      ptr_mms++;
+
+      /* write data, check we are not at the end of the buffer */
+      if ((ptr_final - ptr_mms) < data_size)
+      {
+        *size_left = data_size - (ptr_final - ptr_mms);
+        data_size = ptr_final - ptr_mms;
+      }
+      ptr_mms += data_size;
+    }
+    return AUDIO_OK;
+  }
+#endif
+
+#if (AUDIO_RAM_MANAGER)
+  /* try to copy "size" bytes from audio_ram_fd to dest_buffer, returns bytes copied (0 to size) */
+  INT16 ram_read(T_AUDIO_MEM_SESSION *p_session, UINT8 *dest_buffer, UINT16 size)
+  {
+    UINT16 i;
+
+    /* check how many bytes there are in audio_ram_fd */
+    if (size > p_session->session_req.audio_ram_size)
+      size = p_session->session_req.audio_ram_size;
+    /* copy byte by byte */
+    for (i = 0; i < size; i++)
+      *dest_buffer++ = *(p_session->session_req.audio_ram_fd)++;
+    /* update audio_ram_fd size */
+    p_session->session_req.audio_ram_size -= size;
+    return size;
+  }
+
+  /* copy "size" bytes from src_buffer to audio_ram_fd, does not check size */
+  INT16 ram_write(T_AUDIO_MEM_SESSION *p_session, UINT8 *src_buffer, UINT16 size)
+  {
+    UINT16 i;
+
+    /* copy byte by byte */
+    for (i = 0; i < size; i++)
+      *(p_session->session_req.audio_ram_fd)++ = *src_buffer++;
+    return size;
+  }
+#endif
+
+#if (AUDIO_MEM_MANAGER)
+  void audio_mem_send_status(T_AUDIO_RET status, UINT8 channel_id, UINT8 status_type,
+                             T_RV_RETURN return_path)
+  {
+    /* status_type START or STOP, status AUDIO_OK or AUDIO_ERROR */
+    T_AUDIO_MEM_STATUS *p_send_message;
+    T_RVF_MB_STATUS mb_status = RVF_RED;
+
+    while (mb_status == RVF_RED)
+    {
+      /* allocate the message buffer */
+      mb_status = rvf_get_buf (p_audio_gbl_var->mb_external,
+                               sizeof (T_AUDIO_MEM_STATUS),
+                               (T_RVF_BUFFER **) (&p_send_message));
+
+      /* If insufficient resources, then report a memory error and abort.               */
+      /* and wait until more ressource is given */
+      if (mb_status == RVF_RED)
+      {
+        audio_mem_error_trace(AUDIO_ENTITY_NO_MEMORY);
+        rvf_delay(RVF_MS_TO_TICKS(1000));
+      }
+    }
+
+    /*fill the header of the message */
+    p_send_message->os_hdr.msg_id = AUDIO_MEM_STATUS_MSG;
+
+    /* fill the status parameters */
+    p_send_message->status      = status;
+    p_send_message->channel_id  = channel_id;
+    p_send_message->status_type = status_type;
+
+    /* send message or call callback */
+    if (return_path.callback_func == NULL)
+      rvf_send_msg (return_path.addr_id, p_send_message);
+    else
+    {
+      (*return_path.callback_func)((void *)(p_send_message));
+       rvf_free_buf((T_RVF_BUFFER *)p_send_message);
+    }
+  }
+
+  void audio_mem_send_record_status(UINT8 channel_id, UINT32 recorded_size, T_RV_RETURN return_path)
+  {
+    /* status_type START or STOP, status AUDIO_OK or AUDIO_ERROR */
+    T_AUDIO_MEM_STATUS *p_send_message;
+    T_RVF_MB_STATUS mb_status = RVF_RED;
+
+    while (mb_status == RVF_RED)
+    {
+      /* allocate the message buffer */
+      mb_status = rvf_get_buf (p_audio_gbl_var->mb_external,
+                               sizeof (T_AUDIO_MEM_STATUS),
+                               (T_RVF_BUFFER **) (&p_send_message));
+
+      /* If insufficient resources, then report a memory error and abort.               */
+      /* and wait until more ressource is given */
+      if (mb_status == RVF_RED)
+      {
+        audio_mem_error_trace(AUDIO_ENTITY_NO_MEMORY);
+        rvf_delay(RVF_MS_TO_TICKS(1000));
+      }
+    }
+
+    /*fill the header of the message */
+    p_send_message->os_hdr.msg_id = AUDIO_MEM_STATUS_MSG;
+
+    /* fill the status parameters */
+    p_send_message->status      = AUDIO_OK;
+    p_send_message->channel_id  = channel_id;
+    p_send_message->status_type = AUDIO_STOP_STATUS;
+    p_send_message->recorded_size = recorded_size;
+
+    /* send message or call callback */
+    if (return_path.callback_func == NULL)
+      rvf_send_msg (return_path.addr_id, p_send_message);
+    else
+    {
+      (*return_path.callback_func)((void *)(p_send_message));
+	  rvf_free_buf((T_RVF_BUFFER *)p_send_message);
+    }
+  }
+
+  void audio_mem_manager (T_RV_HDR *p_message)
+  {
+    UINT8 channel_id, session_id, state;
+    UINT8 mem_channel_id;
+    T_RV_RETURN return_path;
+    T_AUDIO_MEM_SESSION *p_session;
+
+    /* get channel_id from messages */
+    switch (p_message->msg_id)
+    {
+      case AUDIO_MEM_START_REQ:
+        channel_id = ((T_AUDIO_MEM_START *)p_message)->channel_id;
+        session_id = ((T_AUDIO_MEM_START *)p_message)->session_id;
+      break;
+      case AUDIO_MEM_STOP_REQ:
+        channel_id = ((T_AUDIO_MEM_STOP *)p_message)->channel_id;
+      break;
+      case AUDIO_DRIVER_NOTIFICATION_MSG:
+        channel_id = ((T_AUDIO_DRIVER_NOTIFICATION *)p_message)->channel_id;
+      break;
+      case AUDIO_DRIVER_LAST_NOTIFICATION_MSG:
+        channel_id = ((T_AUDIO_DRIVER_NOTIFICATION *)p_message)->channel_id;
+      break;
+      case AUDIO_DRIVER_STATUS_MSG:
+        channel_id = ((T_AUDIO_DRIVER_STATUS *)p_message)->channel_id;
+      break;
+    }
+
+    /* Init mem_channel_id to browse all mem channels and find channel_id */
+    /* state will stay IDLE if no mem channel is found */
+    mem_channel_id = 0;
+    state = AUDIO_MEM_IDLE;
+
+    /* look for an ACTIVE session, which channel_id matches the one from the message */
+    while ( (mem_channel_id < AUDIO_MEM_MAX_CHANNEL)&&
+            ((p_audio_gbl_var->audio_mem_session[mem_channel_id].session_info.state == AUDIO_MEM_IDLE)||
+             (p_audio_gbl_var->audio_mem_session[mem_channel_id].session_req.channel_id != channel_id)) )
+    {
+      mem_channel_id++;
+    }
+
+    /* if mem_channel_id < MAX_CHANNEL, we found an active channel so we can derive state */
+    if (mem_channel_id < AUDIO_MEM_MAX_CHANNEL)
+    {
+      p_session = &(p_audio_gbl_var->audio_mem_session[mem_channel_id]);
+      state = p_session->session_info.state;
+    }
+
+    switch (state)
+    {
+      case AUDIO_MEM_IDLE:
+      {
+        /* requester return_path (currently is Riviera Audio) */
+        return_path.callback_func = NULL;
+        return_path.addr_id       = p_audio_gbl_var->addrId;
+
+        switch (p_message->msg_id)
+        {
+          case AUDIO_MEM_START_REQ:
+          {
+            /* find free MEM channel i.e. state = AUDIO_MEM_IDLE */
+            mem_channel_id = 0;
+            while ( (p_audio_gbl_var->audio_mem_session[mem_channel_id].session_info.state != AUDIO_MEM_IDLE) &&
+                    (mem_channel_id < AUDIO_MEM_MAX_CHANNEL) )
+              mem_channel_id++;
+
+            if (mem_channel_id == AUDIO_MEM_MAX_CHANNEL)
+            {
+              AUDIO_SEND_TRACE("AUDIO MEMORY MANAGER: no memory channel available", RV_TRACE_LEVEL_DEBUG_LOW);
+              audio_mem_send_status(AUDIO_ERROR, channel_id, AUDIO_START_STATUS, return_path);
+              return;
+            }
+
+            /* get MEM session */
+            p_session = &(p_audio_gbl_var->audio_mem_session[mem_channel_id]);
+
+            /* fill parameters */
+            p_session->session_req.channel_id = channel_id;
+            p_session->session_req.session_id = session_id;
+          #if (AUDIO_NEW_FFS_MANAGER)
+            p_session->session_req.audio_ffs_fd =
+              ((T_AUDIO_MEM_START *)p_message)->audio_ffs_fd;
+          #endif
+          #if (AUDIO_RAM_MANAGER)
+            p_session->session_req.audio_ram_fd =
+              ((T_AUDIO_MEM_START *)p_message)->audio_ram_fd;
+            p_session->session_req.audio_ram_size =
+              ((T_AUDIO_MEM_START *)p_message)->audio_ram_size;
+          #endif
+            p_session->session_req.size =
+              ((T_AUDIO_MEM_START *)p_message)->size;// temporary RAM buffer size
+
+            /* parameters for notification handling */
+            p_session->session_info.size_left = 0;
+            p_session->session_info.previous_type = AUDIO_VM_AMR_RXTX_SPEECH_GOOD;
+            p_session->session_info.stop_req_allowed = TRUE;
+
+            /* initialization phase for play sessions */
+            switch (session_id)
+            {
+              case AUDIO_VM_AMR_PLAY_SESSION_ID:
+              {
+                UINT8 *play_buffer;// temporary RAM buffer to fill
+                INT16 size_read;
+
+                /* fill all buffers in advance */
+                while (audio_driver_get_play_buffer(channel_id, &play_buffer) == AUDIO_OK)
+                {
+                #if (AUDIO_NEW_FFS_MANAGER)
+                  /* write from FLASH to RAM buffer */
+                  if (p_session->session_req.audio_ffs_fd != NULL)
+                  {
+                    /* copy from Flash "size" bytes into play_buffer */
+                    size_read = ffs_read(p_session->session_req.audio_ffs_fd,
+                                         play_buffer,
+                                         p_session->session_req.size);
+
+                    /* wrong read */
+                    if (size_read < EFFS_OK)
+                    {
+                      if ( ffs_close(p_session->session_req.audio_ffs_fd) != EFFS_OK )
+                        audio_mem_error_trace(AUDIO_ENTITY_FILE_NO_CLOSE);
+                      AUDIO_SEND_TRACE("AUDIO MEMORY MANAGER INIT: FFS PLAY READ failed", RV_TRACE_LEVEL_DEBUG_LOW);
+                      audio_mem_send_status(AUDIO_ERROR, channel_id, AUDIO_START_STATUS, return_path);
+                      return;
+                    }
+                  }
+                #endif
+                #if (AUDIO_RAM_MANAGER)
+                  /* write from RAM to RAM buffer */
+                  if (p_session->session_req.audio_ram_fd != NULL)
+                  {
+                    /* copy from RAM "size" bytes into play_buffer */
+                    size_read = ram_read(p_session, play_buffer, p_session->session_req.size);
+                  }
+                #endif
+
+                  /* convert to MMS */
+                  if (audio_convert_from_mms(play_buffer, size_read,
+                                         &(p_session->session_info.previous_type),
+                                         &(p_session->session_info.size_left)) != AUDIO_OK)
+                  {
+                    AUDIO_SEND_TRACE("AUDIO MEMORY MANAGER INIT: wrong MMS format", RV_TRACE_LEVEL_DEBUG_LOW);
+                    size_read = 0;// will fill buffer with END_MASK and stop task
+                  }
+
+                  /* last buffer already, put END_MASK */
+                  if ( ((UINT16)size_read) < p_session->session_req.size )
+                  {
+                    UINT16 i;
+
+                    if (p_session->session_info.size_left != 0)
+                      AUDIO_SEND_TRACE_PARAM("AUDIO MEMORY DOWNLOADER: MMS PLAY file incomplete",
+                        p_session->session_info.size_left, RV_TRACE_LEVEL_DEBUG_LOW);
+                    for (i = size_read; i < p_session->session_req.size; i++)
+                      *(play_buffer + i) = SC_VM_AMR_END_MASK;
+                  }
+
+                  AUDIO_SEND_TRACE_PARAM("AUDIO MEMORY DOWNLOADER: size read", size_read, RV_TRACE_LEVEL_DEBUG_LOW);
+
+                  audio_driver_play_buffer(channel_id, play_buffer);
+                }
+
+              }// case AUDIO_VM_AMR_PLAY_SESSION_ID
+              break;
+            }// switch (session_id)
+
+            audio_driver_start_session(channel_id, return_path);
+
+            p_session->session_info.state = AUDIO_MEM_WAIT_NOTIFICATION_OR_STOP;
+          }
+          break; //case AUDIO_MEM_START_REQ:
+          case AUDIO_MEM_STOP_REQ:
+            audio_mem_error_trace(AUDIO_ERROR_STOP_EVENT);
+          break;
+        }
+      } // case AUDIO_MEM_IDLE:
+      break;
+      case AUDIO_MEM_WAIT_NOTIFICATION_OR_STOP:
+      {
+        /* requester return_path (currently is Riviera Audio) */
+        return_path.callback_func = NULL;
+        return_path.addr_id       = p_audio_gbl_var->addrId;
+
+        switch (p_message->msg_id)
+        {
+          case AUDIO_DRIVER_NOTIFICATION_MSG:
+          {
+            switch (p_session->session_req.session_id)
+            {
+              case AUDIO_VM_AMR_RECORD_SESSION_ID:
+              {
+                UINT16 record_buffer_size;
+
+                /* default is session_req.size but can be less if we find END_MASK */
+                record_buffer_size = p_session->session_req.size;
+
+                /* convert to MMS, update record_buffer_size if END_MASK is found */
+                audio_convert_to_mms((UINT8 *)((T_AUDIO_DRIVER_NOTIFICATION *)p_message)->p_buffer,
+                                     &record_buffer_size,
+                                     &(p_session->session_info.previous_type),
+                                     &(p_session->session_info.size_left));
+
+              #if (AUDIO_NEW_FFS_MANAGER)
+                if (p_session->session_req.audio_ffs_fd != NULL)
+                {
+                  if ((ffs_write (p_session->session_req.audio_ffs_fd,
+                                  (UINT8 *)((T_AUDIO_DRIVER_NOTIFICATION *)p_message)->p_buffer,
+                                  record_buffer_size)) < EFFS_OK)
+                  {
+                    AUDIO_SEND_TRACE("AUDIO MEMORY MANAGER: FFS RECORD WRITE FAILED", RV_TRACE_LEVEL_DEBUG_LOW);
+                  }
+                }
+              #endif
+              #if (AUDIO_RAM_MANAGER)
+                if (p_session->session_req.audio_ram_fd != NULL)
+                {
+                  ram_write (p_session,
+                             (UINT8 *)((T_AUDIO_DRIVER_NOTIFICATION *)p_message)->p_buffer,
+                             record_buffer_size);
+                }
+              #endif
+
+                AUDIO_SEND_TRACE_PARAM("AUDIO MEMORY MANAGER: RAM to MEMORY", record_buffer_size, RV_TRACE_LEVEL_DEBUG_LOW);//DEBUG
+              }
+              break;
+              case AUDIO_VM_AMR_PLAY_SESSION_ID:
+              {
+                UINT8 *play_buffer;
+                INT16  size_read;
+
+                /* try to get a buffer */
+                if (audio_driver_get_play_buffer(channel_id, &play_buffer) == AUDIO_OK)
+                {
+                #if (AUDIO_NEW_FFS_MANAGER)
+                  if (p_session->session_req.audio_ffs_fd != NULL)
+                  {
+                    size_read = ffs_read(p_session->session_req.audio_ffs_fd,
+                                         play_buffer,
+                                         p_session->session_req.size);
+                    /* wrong read */
+                    if (size_read < EFFS_OK)
+                    {
+                      AUDIO_SEND_TRACE("AUDIO MEMORY MANAGER: FFS PLAY READ FAILED", RV_TRACE_LEVEL_DEBUG_LOW);
+                      size_read = 0;// will put END_MASK in whole buffer so stops play
+                    }
+                  }
+                #endif
+                #if (AUDIO_RAM_MANAGER)
+                  if (p_session->session_req.audio_ram_fd != NULL)
+                  {
+                    size_read = ram_read(p_session, play_buffer, p_session->session_req.size);
+                  }
+                #endif
+
+                  if (audio_convert_from_mms(play_buffer, size_read,
+                                         &(p_session->session_info.previous_type),
+                                         &(p_session->session_info.size_left)) != AUDIO_OK)
+                  {
+                    AUDIO_SEND_TRACE("AUDIO MEMORY DOWNLOADER: wrong MMS format", RV_TRACE_LEVEL_DEBUG_LOW);
+                    size_read = 0;// will fill buffer with END_MASK
+                  }
+
+                  /* last buffer, put END_MASK */
+                  if (  ((UINT16)size_read) < p_session->session_req.size )
+                  {
+                    UINT16 i;
+
+                    if (p_session->session_info.size_left != 0)
+                      AUDIO_SEND_TRACE_PARAM("AUDIO MEMORY MANAGER: MMS PLAY file incomplete",
+                        p_session->session_info.size_left, RV_TRACE_LEVEL_DEBUG_LOW);
+                    for (i = size_read; i < p_session->session_req.size; i++)
+                      *(play_buffer + i) = SC_VM_AMR_END_MASK;
+                  }
+
+                  audio_driver_play_buffer(channel_id, play_buffer);
+
+                  if (size_read > 0)
+                  {
+                    AUDIO_SEND_TRACE_PARAM("AUDIO MEMORY MANAGER: MEMORY to RAM", size_read, RV_TRACE_LEVEL_DEBUG_LOW);//DEBUG
+                  }
+                  else
+                  {
+                    AUDIO_SEND_TRACE("AUDIO MEMORY MANAGER: buffer not used", RV_TRACE_LEVEL_DEBUG_LOW);//DEBUG
+                  }
+                } // if (audio_driver_get_play_buffer(channel_id, &p_buffer) == AUDIO_OK)
+                else
+                  AUDIO_SEND_TRACE("AUDIO MEMORY MANAGER: no buffer available", RV_TRACE_LEVEL_DEBUG_LOW);//DEBUG
+              }
+              break;
+            }
+          }
+          break;
+          case AUDIO_DRIVER_LAST_NOTIFICATION_MSG:
+          {
+            UINT16 record_buffer_size;
+
+            record_buffer_size = p_session->session_req.size;
+
+            audio_convert_to_mms((UINT8 *)((T_AUDIO_DRIVER_NOTIFICATION *)p_message)->p_buffer,
+                                 &record_buffer_size,
+                                 &(p_session->session_info.previous_type),
+                                 &(p_session->session_info.size_left));
+
+          #if (AUDIO_NEW_FFS_MANAGER)
+            if (p_session->session_req.audio_ffs_fd != NULL)
+            {
+              if ((ffs_write  (p_session->session_req.audio_ffs_fd,
+                               (UINT8 *)((T_AUDIO_DRIVER_NOTIFICATION *)p_message)->p_buffer,
+                               record_buffer_size)) < EFFS_OK)
+              {
+                AUDIO_SEND_TRACE("AUDIO MEMORY MANAGER: FFS RECORD WRITE FAILED", RV_TRACE_LEVEL_DEBUG_LOW);
+              }
+            }
+          #endif
+          #if (AUDIO_RAM_MANAGER)
+            if (p_session->session_req.audio_ram_fd != NULL)
+            {
+              if ((ram_write  (p_session,
+                               (UINT8 *)((T_AUDIO_DRIVER_NOTIFICATION *)p_message)->p_buffer,
+                               record_buffer_size)) < 0)
+              {
+                AUDIO_SEND_TRACE("AUDIO MEMORY MANAGER: RAM RECORD WRITE FAILED", RV_TRACE_LEVEL_DEBUG_LOW);
+              }
+            }
+          #endif
+
+            /* recorded_size */
+            AUDIO_SEND_TRACE_PARAM("AUDIO MEMORY MANAGER: last RAM to MEMORY", record_buffer_size, RV_TRACE_LEVEL_DEBUG_LOW);
+            AUDIO_SEND_TRACE_PARAM("AUDIO MEMORY MANAGER: size recorded",
+              ((T_AUDIO_DRIVER_LAST_NOTIFICATION *)p_message)->recorded_size, RV_TRACE_LEVEL_DEBUG_LOW);
+            p_session->session_info.recorded_size = ((T_AUDIO_DRIVER_LAST_NOTIFICATION *)p_message)->recorded_size;
+
+            /* stop must no longer be accepted as it is an automatic stop */
+            p_session->session_info.stop_req_allowed = FALSE;
+
+            /* MEM return_path */
+            return_path.callback_func    = NULL;
+            return_path.addr_id          = p_audio_gbl_var->addrId;
+
+            audio_driver_free_session(channel_id, return_path);
+          }
+          break;
+          case AUDIO_DRIVER_STATUS_MSG:
+          {
+            /* STOP OK for play */
+            /* FREE OK for record */
+            if ( ( (((T_AUDIO_DRIVER_STATUS *)p_message)->status_type == AUDIO_STOP_STATUS) &&
+                    (((T_AUDIO_DRIVER_STATUS *)p_message)->status == AUDIO_OK)) ||
+                 ( (((T_AUDIO_DRIVER_STATUS *)p_message)->status_type == AUDIO_FREE_STATUS) &&
+                    (((T_AUDIO_DRIVER_STATUS *)p_message)->status == AUDIO_OK)) )
+            {
+            #if (AUDIO_NEW_FFS_MANAGER)
+              if (p_session->session_req.audio_ffs_fd != NULL)
+              {
+                if ( ffs_close(p_session->session_req.audio_ffs_fd) != EFFS_OK )
+                {
+                  audio_ffs_error_trace(AUDIO_ENTITY_FILE_NO_CLOSE);
+                }
+                AUDIO_SEND_TRACE_PARAM("AUDIO MEMORY MANAGER: close FFS file for mem channel:", mem_channel_id, RV_TRACE_LEVEL_DEBUG_LOW);
+              }
+            #endif
+
+              if (((T_AUDIO_DRIVER_STATUS *)p_message)->status_type == AUDIO_FREE_STATUS)
+                audio_mem_send_record_status(channel_id, p_session->session_info.recorded_size, return_path);
+              else
+                audio_mem_send_status(AUDIO_OK, channel_id, AUDIO_STOP_STATUS, return_path);
+
+              p_session->session_info.state = AUDIO_MEM_IDLE;
+            }
+          } //case AUDIO_DRIVER_STATUS_MSG:
+          break;
+          case AUDIO_MEM_STOP_REQ:
+          {
+            /* check stop req is allowed i.e. no previous stop req, nor automatic stop */
+            if (p_session->session_info.stop_req_allowed == TRUE)
+            {
+              p_session->session_info.stop_req_allowed = FALSE;
+
+              audio_driver_stop_session(channel_id);
+            }
+            else
+            {
+              audio_mem_error_trace(AUDIO_ERROR_STOP_EVENT);
+              //audio_mem_send_status(AUDIO_ERROR, channel_id, AUDIO_STOP_STATUS, return_path);
+            }
+          }
+          break;
+          case AUDIO_MEM_START_REQ:
+            audio_mem_error_trace(AUDIO_ERROR_START_EVENT);
+            //audio_mem_send_status(AUDIO_ERROR, channel_id, AUDIO_START_STATUS, return_path);
+          break;
+        }//switch (p_message->msg_id)
+      } //case AUDIO_MEM_WAIT_NOTIFICATION_OR_STOP:
+      break;
+    } // switch(state)
+  }
+
+  UINT8 audio_mem_message_switch(T_RV_HDR *p_message)
+  {
+    UINT8 channel_id;
+    UINT8 mem_channel_id = 0;
+
+    /* MEM START and STOP */
+    if ((p_message->msg_id == AUDIO_MEM_START_REQ)||
+        (p_message->msg_id == AUDIO_MEM_STOP_REQ))
+      return 1;
+
+    /* For other messages, we must check channel_id is really handled by MEM
+      and not by other managers such as streaming or UART */
+    if (p_message->msg_id == AUDIO_DRIVER_STATUS_MSG)
+      channel_id = ((T_AUDIO_DRIVER_STATUS *)p_message)->channel_id;
+
+    if (p_message->msg_id == AUDIO_DRIVER_NOTIFICATION_MSG)
+      channel_id = ((T_AUDIO_DRIVER_NOTIFICATION *)p_message)->channel_id;
+
+    if (p_message->msg_id == AUDIO_DRIVER_LAST_NOTIFICATION_MSG)
+      channel_id = ((T_AUDIO_DRIVER_NOTIFICATION *)p_message)->channel_id;
+
+    /* find active MEM session handling channel_id */
+    while ( (mem_channel_id < AUDIO_MEM_MAX_CHANNEL) &&
+            ((p_audio_gbl_var->audio_mem_session[mem_channel_id].session_info.state == AUDIO_MEM_IDLE)||
+             (p_audio_gbl_var->audio_mem_session[mem_channel_id].session_req.channel_id != channel_id)))
+    {
+      mem_channel_id++;
+    }
+
+    if (mem_channel_id == AUDIO_MEM_MAX_CHANNEL)
+      return 0;
+    else
+      return 1;
+  }
+#endif // AUDIO_MEM_MANAGER
+
+#endif /* RVM_AUDIO_MAIN_SWE */
+