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| author | Dave Hylands <dhylands@gmail.com> | 2014-07-06 09:49:20 -0700 |
|---|---|---|
| committer | Dave Hylands <dhylands@gmail.com> | 2014-07-06 09:51:22 -0700 |
| commit | 90ba80dc363ffc07b9bbd7156ff44c8e01c69869 (patch) | |
| tree | 24955f7d08331d81a104036487392483aec11ec2 /stmhal/sdcard.c | |
| parent | 5fa5ca40e67c3c4bfce116a70c3a88b52b718928 (diff) | |
| download | micropython-90ba80dc363ffc07b9bbd7156ff44c8e01c69869.tar.gz micropython-90ba80dc363ffc07b9bbd7156ff44c8e01c69869.zip | |
Disable IRQs around sdcard reads.
Once the code switches to using DMA, this can be removed.
Diffstat (limited to 'stmhal/sdcard.c')
| -rw-r--r-- | stmhal/sdcard.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/stmhal/sdcard.c b/stmhal/sdcard.c index 204dbe3b46..104c195b84 100644 --- a/stmhal/sdcard.c +++ b/stmhal/sdcard.c @@ -144,7 +144,13 @@ bool sdcard_read_blocks(uint8_t *dest, uint32_t block_num, uint32_t num_blocks) return false; } - if (HAL_SD_ReadBlocks(&sd_handle, (uint32_t*)dest, block_num * SDCARD_BLOCK_SIZE, SDCARD_BLOCK_SIZE, num_blocks) != SD_OK) { + HAL_SD_ErrorTypedef err; + + __disable_irq(); + err = HAL_SD_ReadBlocks(&sd_handle, (uint32_t*)dest, block_num * SDCARD_BLOCK_SIZE, SDCARD_BLOCK_SIZE, num_blocks); + __enable_irq(); + + if (err != SD_OK) { return false; } |