Merge pull request #846 from liu2guang/master

[BSP] Fix the int type range issue of SD in stm32f429 bsp.
This commit is contained in:
Bernard Xiong 2017-09-15 14:00:04 +08:00 committed by GitHub
commit 7b4e7224e4
1 changed files with 8 additions and 8 deletions

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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. */ /* non-aligned. */
uint32_t i; uint32_t i;
rt_size_t sector_adr; uint64_t sector_adr;
uint8_t* copy_buffer; uint8_t* copy_buffer;
sector_adr = pos*SECTOR_SIZE; sector_adr = (uint64_t)pos*SECTOR_SIZE;
copy_buffer = (uint8_t*)buffer; copy_buffer = (uint8_t*)buffer;
for(i=0; i<size; i++) 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 else
{ {
#if (SD_DMA_MODE==1) #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 #else
SD_ReadBlocks(buffer,pos*SECTOR_SIZE,size); SD_ReadBlocks(buffer,(uint64_t)pos*SECTOR_SIZE,size);
#endif #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. */ /* non-aligned. */
uint32_t i; uint32_t i;
rt_size_t sector_adr; uint64_t sector_adr;
uint8_t* copy_buffer; uint8_t* copy_buffer;
sector_adr = pos*SECTOR_SIZE; sector_adr = (uint64_t)pos*SECTOR_SIZE;
copy_buffer = (uint8_t*)buffer; copy_buffer = (uint8_t*)buffer;
for(i=0; i<size; i++) 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 else
{ {
#if (SD_DMA_MODE==1) #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 #else
status=SD_WriteBlocks((uint32_t*)buffer,pos*SECTOR_SIZE,size); status=SD_WriteBlocks((uint32_t*)buffer,(uint64_t)pos*SECTOR_SIZE,size);
#endif #endif
} }
// } // }