www.pudn.com > drivers.rar > dma_pc_i.c
/**
* @file dma_pc_i.c
*
* API for DMA SWE.
*
* @author ()
* @version 0.1
*/
/*
* History:
*
* Date Author Modification
* -------------------------------------------------------------------
* 7/2/2003 () Create.
*
* (C) Copyright 2003 by Texas Instruments Incorporated, All Rights Reserved
*/
#include "dma/dma_api.h"
#include "dma/dma_i.h"
#include "dma/dma_message.h"
#ifndef _WINDOWS
#include "nucleus.h"
#include "inth/iq.h"
#endif
#ifdef _WINDOWS
#include "dma/pc/dma_pc_i.h"
#endif //_WINDOWS
extern T_DMA_CHANNEL_ARRAY dma_channel_array [DMA_MAX_NUMBER_OF_CHANNEL];
extern T_DMA_QUEUE_ARRAY dma_queue_array [DMA_MAX_QUEUED_REQUESTS];
extern UINT8 dma_function_status [DMA_MAX_NUMBER_OF_CHANNEL];
/* Used for pc simulation of memory copy */
#define DMA_BUF_SIZE 64
UINT32 dma_source_buffer [DMA_BUF_SIZE];
UINT32 dma_destination_buffer [DMA_BUF_SIZE];
/* Stub functions */
void f_dma_channel_disable(T_DMA_TYPE_CHANNEL_NUMBER d_dma_channel_number)
{
return;
}
void f_dma_channel_soft_reset (T_DMA_TYPE_CHANNEL_NUMBER channel)
{
return;
}
void f_dma_channel_enable (T_DMA_TYPE_CHANNEL_NUMBER d_dma_channel_number)
{
DMA_SEND_TRACE("DMA Warning PC simulation!! This is a simulated copy,", DMA_TRACE_LEVEL);
DMA_SEND_TRACE("DMA not all parameters are taken into account !!", DMA_TRACE_LEVEL);
memcpy (&dma_destination_buffer, &dma_source_buffer, sizeof(dma_source_buffer));
dma_hisr_pc (d_dma_channel_number);
return;
}
void f_dma_channel_parameter_set(T_DMA_TYPE_CHANNEL_PARAMETER *p_dma_channel_parameter)
{
UINT8 n;
for (n=0; n