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stm32/storage: Change storage_read/write_blocks to return int type. 

And return -MP_EIO if calling storage_read_block/storage_write_block fails.
This lines up with the return type and value (negative for error) of the
calls to MICROPY_HW_BDEV_READBLOCKS (and WRITEBLOCKS, and BDEV2 versions).
This commit is contained in:
Damien George 2019-11-21 16:11:59 +11:00
parent 120368ba1a
commit d8057c325a
2 changed files with 7 additions and 7 deletions
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8
ports/stm32/storage.c
View File

@ -185,7 +185,7 @@ bool storage_write_block(const uint8_t *src, uint32_t block) {
}
}
mp_uint_t storage_read_blocks(uint8_t *dest, uint32_t block_num, uint32_t num_blocks) {
int storage_read_blocks(uint8_t *dest, uint32_t block_num, uint32_t num_blocks) {
#if defined(MICROPY_HW_BDEV_READBLOCKS)
if (FLASH_PART1_START_BLOCK <= block_num && block_num + num_blocks <= FLASH_PART1_START_BLOCK + MICROPY_HW_BDEV_IOCTL(BDEV_IOCTL_NUM_BLOCKS, 0)) {
return MICROPY_HW_BDEV_READBLOCKS(dest, block_num - FLASH_PART1_START_BLOCK, num_blocks);
@ -200,13 +200,13 @@ mp_uint_t storage_read_blocks(uint8_t *dest, uint32_t block_num, uint32_t num_bl
for (size_t i = 0; i < num_blocks; i++) {
if (!storage_read_block(dest + i * FLASH_BLOCK_SIZE, block_num + i)) {
return 1; // error
return -MP_EIO; // error
}
}
return 0; // success
}
mp_uint_t storage_write_blocks(const uint8_t *src, uint32_t block_num, uint32_t num_blocks) {
int storage_write_blocks(const uint8_t *src, uint32_t block_num, uint32_t num_blocks) {
#if defined(MICROPY_HW_BDEV_WRITEBLOCKS)
if (FLASH_PART1_START_BLOCK <= block_num && block_num + num_blocks <= FLASH_PART1_START_BLOCK + MICROPY_HW_BDEV_IOCTL(BDEV_IOCTL_NUM_BLOCKS, 0)) {
return MICROPY_HW_BDEV_WRITEBLOCKS(src, block_num - FLASH_PART1_START_BLOCK, num_blocks);
@ -221,7 +221,7 @@ mp_uint_t storage_write_blocks(const uint8_t *src, uint32_t block_num, uint32_t
for (size_t i = 0; i < num_blocks; i++) {
if (!storage_write_block(src + i * FLASH_BLOCK_SIZE, block_num + i)) {
return 1; // error
return -MP_EIO; // error
}
}
return 0; // success

6
ports/stm32/storage.h
View File

@ -47,9 +47,9 @@ void storage_flush(void);
bool storage_read_block(uint8_t *dest, uint32_t block);
bool storage_write_block(const uint8_t *src, uint32_t block);
// these return 0 on success, non-zero on error
mp_uint_t storage_read_blocks(uint8_t *dest, uint32_t block_num, uint32_t num_blocks);
mp_uint_t storage_write_blocks(const uint8_t *src, uint32_t block_num, uint32_t num_blocks);
// these return 0 on success, negative errno on error
int storage_read_blocks(uint8_t *dest, uint32_t block_num, uint32_t num_blocks);
int storage_write_blocks(const uint8_t *src, uint32_t block_num, uint32_t num_blocks);
int32_t flash_bdev_ioctl(uint32_t op, uint32_t arg);
bool flash_bdev_readblock(uint8_t *dest, uint32_t block);