view src/g23m-fad/ra/ra_shm.c @ 205:81f5c4ca1fb3

mmiDialogs.c: make dialog_info() static The function in question was first declared as static, then defined as non-static, which should be considered invalid C. Given that this function is not referenced from any other modules and appears to have been intended as static, make it so.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 06 Apr 2021 01:28:52 +0000
parents fa8dc04885d8
children
line wrap: on
line source

/* 
+----------------------------------------------------------------------------- 
|  Project :  GSM-F&D (8411)
|  Modul   :  RA_SHM
+----------------------------------------------------------------------------- 
|  Copyright 2002 Texas Instruments Berlin, AG 
|                 All rights reserved. 
| 
|                 This file is confidential and a trade secret of Texas 
|                 Instruments Berlin, AG 
|                 The receipt of or possession of this file does not convey 
|                 any rights to reproduce or disclose its contents or to 
|                 manufacture, use, or sell anything it may describe, in 
|                 whole, or in part, without the specific written consent of 
|                 Texas Instruments Berlin, AG. 
+----------------------------------------------------------------------------- 
|  Purpose :  This Modul defines the functions for accessing the
|             shared memory segment between MCU and DSP
+----------------------------------------------------------------------------- 
*/ 

#ifndef RA_SHM_C
#define RA_SHM_C
#endif

#define ENTITY_RA

/*==== INCLUDES ===================================================*/

#include <string.h>
#include "typedefs.h"
#include "pconst.cdg"
#include "vsi.h"
#include "custom.h"
#include "gsm.h"
#include "cnf_ra.h"
#include "prim.h"
#include "pei.h"
#include "tok.h"
#include "ccdapi.h"
#include "ra.h"

/*==== CONST ======================================================*/
/*==== TYPES ======================================================*/
/*==== VARIABLES ==================================================*/
/*==== FUNCTIONS ==================================================*/

/*
+--------------------------------------------------------------------+
| PROJECT : GSM-F&D (8411)        MODULE  : RA_SHM                   |
| STATE   : code                  ROUTINE : shm_set_dsp_buffer       |
+--------------------------------------------------------------------+

  PURPOSE :
*/

GLOBAL USHORT shm_set_dsp_buffer(T_FRAME_DESC *data, register USHORT *buffer, USHORT offs, USHORT free)
{
  register UBYTE  *b;
  USHORT len, segment;

  buffer = (USHORT*) ( ( (UBYTE*) buffer ) + offs );
  /*
   * write the both segments specified by the frame descriptor data to the DSP mem.
   */
  for (segment = 0; segment < 2; segment++)
  {
    /*
     * limitate the length fields;
     */
    len = free;

    if (len > data->Len[segment])
      len = data->Len[segment];

    if (len)
    {
      data->Len[segment] -= len;
      b = data->Adr[segment];
      {
        memcpy( (UBYTE*) buffer, (UBYTE*) b, (USHORT) len );
        buffer = (USHORT*) ( ( (UBYTE*) buffer ) + len );
        free -= len;
        offs += len;
      }
    }
  }
  return offs;
}

GLOBAL U8 shm_set_dsp_buffer_new(T_FD *pFD, USHORT *buffer, U8 offs, U8 free)
{
  U8 len;

  buffer = (USHORT*)(((UBYTE*)buffer) + offs);
  /*
   * limitate the length fields;
   */
  len = MINIMUM(free, pFD->len);
  if (len)
  {
    memcpy((UBYTE*)buffer, (UBYTE*)pFD->buf, (USHORT)len);
    buffer = (USHORT*)(((UBYTE*)buffer) + len);
  }
  return len;
}

/*
+--------------------------------------------------------------------+
| PROJECT : GSM-F&D (8411)        MODULE  : RA_SHM                   |
| STATE   : code                  ROUTINE : shm_get_dsp_buffer       |
+--------------------------------------------------------------------+

  PURPOSE :

*/
GLOBAL USHORT shm_get_dsp_buffer(T_FRAME_DESC *data, register USHORT *buffer, USHORT bytes_to_read)
{
  register UBYTE  *b;
  USHORT  offs = 0;
  USHORT  len, segment;
  /*
   * read the both segments specified by the frame descriptor data from the DSP mem
   */
  for (segment = 0; segment < 2; segment++)
  {
    len = MINIMUM(data->Len[segment], bytes_to_read);
    if (len)
    {
      data->Len[segment] -= len;
      b = data->Adr[segment];
#ifdef TI_PS_16BIT_CPY
      api_memcpy((UBYTE*)b, (UBYTE*)buffer, (USHORT)len );
#else
      memcpy((UBYTE*)b, (UBYTE*)buffer, (USHORT)len );
#endif
      buffer = (USHORT*)(((UBYTE*)buffer) + len);
      bytes_to_read -= len;
      offs += len;
    }
  }
  return offs;
}

GLOBAL U8 shm_get_dsp_buffer_new(USHORT *buffer, U8 bytes_to_read, T_FD *pFD)
{
  U8 len = MINIMUM(pFD->len, bytes_to_read);
  if (len)
  {
    pFD->len = len;
#ifdef TI_PS_16BIT_CPY
    api_memcpy(pFD->buf, (UBYTE*)buffer, len);
#else
    memcpy(pFD->buf, (UBYTE*)buffer, len);
#endif
  }
  return len;
}