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update sdcard driver. 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@423 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong 2010-02-19 11:54:17 +00:00
parent 8e7da44914
commit 39c53a4b71
2 changed files with 65 additions and 31 deletions
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11
bsp/stm32_radio/mp3.c
View File

@ -158,7 +158,7 @@ int mp3_decoder_run(struct mp3_decoder* decoder)
if (decoder->read_offset < 0)
{
/* discard this data */
rt_kprintf("outof sync\n");
rt_kprintf("outof sync, byte left: %d\n", decoder->bytes_left);
decoder->bytes_left = 0;
return 0;
@ -439,8 +439,14 @@ void mp3_get_info(const char* filename, struct tag_info* info)
rt_size_t fd_fetch(void* parameter, rt_uint8_t *buffer, rt_size_t length)
{
int fd = (int)parameter;
return read(fd, (char*)buffer, length);
int read_bytes;
read_bytes = read(fd, (char*)buffer, length);
if (read_bytes <= 0) return 0;
return read_bytes;
}
void mp3(char* filename)
{
int fd;
@ -492,6 +498,7 @@ rt_size_t http_data_fetch(void* parameter, rt_uint8_t *buffer, rt_size_t length)
{
return net_buf_read(buffer, length);
}
void http_mp3(char* url)
{
struct http_session* session;

37
bsp/stm32_radio/sdcard.c
View File

@ -175,7 +175,7 @@ SD_Error SD_Init(void)
SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable;
SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_1b;
SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Enable;
SDIO_Init(&SDIO_InitStructure);
return(errorstatus);
@ -953,11 +953,21 @@ SD_Error SD_ReadBlock(uint32_t addr, uint32_t *readbuff, uint16_t BlockSize)
}
else if (DeviceMode == SD_DMA_MODE)
{
rt_tick_t tick;
SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_STBITERR, ENABLE);
SDIO_DMACmd(ENABLE);
tick = rt_tick_get();
DMA_RxConfiguration(readbuff, BlockSize);
while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET)
{}
{
if ((TransferError != SD_OK) || (rt_tick_get() - tick > 2))
{
errorstatus = SD_ERROR;
// rt_kprintf("sd error\n");
break;
}
}
}
return(errorstatus);
}
@ -1151,11 +1161,21 @@ SD_Error SD_ReadMultiBlocks(uint32_t addr, uint32_t *readbuff, uint16_t BlockSiz
}
else if (DeviceMode == SD_DMA_MODE)
{
rt_tick_t tick;
SDIO_ITConfig(SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_DATAEND | SDIO_IT_RXOVERR | SDIO_IT_STBITERR, ENABLE);
SDIO_DMACmd(ENABLE);
tick = rt_tick_get();
DMA_RxConfiguration(readbuff, (NumberOfBlocks * BlockSize));
while (DMA_GetFlagStatus(DMA2_FLAG_TC4) == RESET)
{}
{
if ((TransferError != SD_OK) || (rt_tick_get() - tick > 2))
{
errorstatus = SD_ERROR;
// rt_kprintf("sd error\n");
return errorstatus;
}
}
while ((TransferEnd == 0) && (TransferError == SD_OK))
{}
if (TransferError != SD_OK)
@ -3001,10 +3021,13 @@ static rt_err_t rt_sdcard_close(rt_device_t dev)
static rt_size_t rt_sdcard_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size)
{
SD_Error status;
rt_uint32_t nr = size / SECTOR_SIZE;
rt_uint32_t nr = size / SECTOR_SIZE, retry;
rt_sem_take(&sd_lock, RT_WAITING_FOREVER);
retry = 3;
while(retry)
{
/* read all sectors */
if (((rt_uint32_t)buffer % 4 != 0) ||
((rt_uint32_t)buffer > 0x20080000))
@ -3037,6 +3060,10 @@ static rt_size_t rt_sdcard_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_
}
}
if (status == SD_OK) break;
retry --;
}
rt_sem_release(&sd_lock);
if (status == SD_OK) return size;
@ -3110,7 +3137,7 @@ void rt_hw_sdcard_init()
status = SD_SelectDeselect((u32) (SDCardInfo.RCA << 16));
if (status != SD_OK) goto __return;
SD_EnableWideBusOperation(SDIO_BusWide_4b);
SD_EnableWideBusOperation(SDIO_BusWide_1b);
SD_SetDeviceMode(SD_DMA_MODE);
/* get the first sector to read partition table */