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修改SD卡驱动无法读写超过2G sector地址的数据

This commit is contained in:
liu2guang 2017-09-14 17:23:09 +08:00
parent 0d193254f8
commit 44e3a56d91
1 changed files with 8 additions and 8 deletions
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16
bsp/stm32f429-apollo/drivers/drv_sdio_sd.c
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@ -242,10 +242,10 @@ static rt_size_t rt_sdcard_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_
{
/* non-aligned. */
uint32_t i;
rt_size_t sector_adr;
uint64_t sector_adr;
uint8_t* copy_buffer;
sector_adr = pos*SECTOR_SIZE;
sector_adr = (uint64_t)pos*SECTOR_SIZE;
copy_buffer = (uint8_t*)buffer;
for(i=0; i<size; i++)
@ -263,9 +263,9 @@ static rt_size_t rt_sdcard_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_
else
{
#if (SD_DMA_MODE==1)
status=SD_ReadBlocks_DMA(buffer,pos*SECTOR_SIZE,size);//通过DMA写SD卡一个扇区
status=SD_ReadBlocks_DMA(buffer,(uint64_t)pos*SECTOR_SIZE,size);//通过DMA写SD卡一个扇区
#else
SD_ReadBlocks(buffer,pos*SECTOR_SIZE,size);
SD_ReadBlocks(buffer,(uint64_t)pos*SECTOR_SIZE,size);
#endif
}
@ -286,10 +286,10 @@ static rt_size_t rt_sdcard_write (rt_device_t dev, rt_off_t pos, const void* buf
{
/* non-aligned. */
uint32_t i;
rt_size_t sector_adr;
uint64_t sector_adr;
uint8_t* copy_buffer;
sector_adr = pos*SECTOR_SIZE;
sector_adr = (uint64_t)pos*SECTOR_SIZE;
copy_buffer = (uint8_t*)buffer;
for(i=0; i<size; i++)
@ -308,9 +308,9 @@ static rt_size_t rt_sdcard_write (rt_device_t dev, rt_off_t pos, const void* buf
else
{
#if (SD_DMA_MODE==1)
status=SD_WriteBlocks_DMA((uint32_t*)buffer,pos*SECTOR_SIZE,size);
status=SD_WriteBlocks_DMA((uint32_t*)buffer,(uint64_t)pos*SECTOR_SIZE,size);
#else
status=SD_WriteBlocks((uint32_t*)buffer,pos*SECTOR_SIZE,size);
status=SD_WriteBlocks((uint32_t*)buffer,(uint64_t)pos*SECTOR_SIZE,size);
#endif
}
// }