Merge pull request #846 from liu2guang/master
[BSP] Fix the int type range issue of SD in stm32f429 bsp.
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commit
7b4e7224e4
bsp/stm32f429-apollo/drivers
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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_
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{
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/* non-aligned. */
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uint32_t i;
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rt_size_t sector_adr;
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uint64_t sector_adr;
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uint8_t* copy_buffer;
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sector_adr = pos*SECTOR_SIZE;
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sector_adr = (uint64_t)pos*SECTOR_SIZE;
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copy_buffer = (uint8_t*)buffer;
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for(i=0; i<size; i++)
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@ -263,9 +263,9 @@ static rt_size_t rt_sdcard_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_
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else
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{
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#if (SD_DMA_MODE==1)
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status=SD_ReadBlocks_DMA(buffer,pos*SECTOR_SIZE,size);//通过DMA写SD卡一个扇区
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status=SD_ReadBlocks_DMA(buffer,(uint64_t)pos*SECTOR_SIZE,size);//通过DMA写SD卡一个扇区
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#else
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SD_ReadBlocks(buffer,pos*SECTOR_SIZE,size);
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SD_ReadBlocks(buffer,(uint64_t)pos*SECTOR_SIZE,size);
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#endif
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}
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@ -286,10 +286,10 @@ static rt_size_t rt_sdcard_write (rt_device_t dev, rt_off_t pos, const void* buf
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{
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/* non-aligned. */
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uint32_t i;
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rt_size_t sector_adr;
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uint64_t sector_adr;
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uint8_t* copy_buffer;
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sector_adr = pos*SECTOR_SIZE;
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sector_adr = (uint64_t)pos*SECTOR_SIZE;
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copy_buffer = (uint8_t*)buffer;
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for(i=0; i<size; i++)
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@ -308,9 +308,9 @@ static rt_size_t rt_sdcard_write (rt_device_t dev, rt_off_t pos, const void* buf
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else
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{
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#if (SD_DMA_MODE==1)
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status=SD_WriteBlocks_DMA((uint32_t*)buffer,pos*SECTOR_SIZE,size);
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status=SD_WriteBlocks_DMA((uint32_t*)buffer,(uint64_t)pos*SECTOR_SIZE,size);
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#else
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status=SD_WriteBlocks((uint32_t*)buffer,pos*SECTOR_SIZE,size);
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status=SD_WriteBlocks((uint32_t*)buffer,(uint64_t)pos*SECTOR_SIZE,size);
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#endif
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}
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// }
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