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针对ENV添加大小端MCU的适配

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This commit is contained in:
xixi 2019-09-04 15:04:39 +08:00
parent 16056b8a01
commit d3182370d7
2 changed files with 7 additions and 0 deletions
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3
easyflash/inc/ef_cfg.h
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@ -40,6 +40,9 @@
* Please change it when your firmware add a new ENV to default_env_set.
*/
#define EF_ENV_VER_NUM /* @note you must define it for a value, such as 0 */
#define LITTLE_ENDIAN 1 /* @note you must define it reference to MCU Order*/
#endif /* EF_USING_ENV */
/* using IAP function */

4
easyflash/src/ef_env.c
View File

@ -495,7 +495,11 @@ static uint32_t find_next_env_addr(uint32_t start, uint32_t end)
for (; start < end; start += (sizeof(buf) - sizeof(uint32_t))) {
ef_port_read(start, (uint32_t *) buf, sizeof(buf));
for (i = 0; i < sizeof(buf) - sizeof(uint32_t) && start + i < end; i++) {
#if LITTLE_ENDIAN // Little Endian Order
magic = buf[i] + (buf[i + 1] << 8) + (buf[i + 2] << 16) + (buf[i + 3] << 24);
#else // Big Endian Order
magic = buf[i + 3] + (buf[i + 2] << 8) + (buf[i + 1] << 16) + (buf[i] << 24);
#endif
if (magic == ENV_MAGIC_WORD && (start + i - ENV_MAGIC_OFFSET) >= start_bak) {
return start + i - ENV_MAGIC_OFFSET;
}