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trezorhal: enable write to sdcard

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Pavol Rusnak 2017-03-13 11:36:31 +01:00
parent a66e5e4ad8
commit f6f3765a3e
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GPG Key ID: 91F3B339B9A02A3D
2 changed files with 16 additions and 5 deletions
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20
micropython/trezorhal/sdcard.c
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@ -121,14 +121,24 @@ uint32_t sdcard_read_blocks(uint8_t *dest, uint32_t block_num, uint32_t num_bloc
return SD_ERROR;
}
HAL_SD_ErrorTypedef err = SD_OK;
// check that dest pointer is aligned on a 4-byte boundary
if (((uint32_t)dest & 3) != 0) {
return SD_ERROR;
}
err = HAL_SD_ReadBlocks_BlockNumber(&sd_handle, (uint32_t*)dest, block_num, SDCARD_BLOCK_SIZE, num_blocks);
return err;
return HAL_SD_ReadBlocks_BlockNumber(&sd_handle, (uint32_t*)dest, block_num, SDCARD_BLOCK_SIZE, num_blocks);
}
uint32_t sdcard_write_blocks(const uint8_t *src, uint32_t block_num, uint32_t num_blocks) {
// check that SD card is initialised
if (sd_handle.Instance == NULL) {
return SD_ERROR;
}
// check that src pointer is aligned on a 4-byte boundary
if (((uint32_t)src & 3) != 0) {
return SD_ERROR;
}
return HAL_SD_WriteBlocks_BlockNumber(&sd_handle, (uint32_t*)src, block_num, SDCARD_BLOCK_SIZE, num_blocks);
}

1
micropython/trezorhal/sdcard.h
View File

@ -12,5 +12,6 @@ bool sdcard_power_on(void);
void sdcard_power_off(void);
uint64_t sdcard_get_capacity_in_bytes(void);
uint32_t sdcard_read_blocks(uint8_t *dest, uint32_t block_num, uint32_t num_blocks);
uint32_t sdcard_write_blocks(const uint8_t *src, uint32_t block_num, uint32_t num_blocks);
#endif