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Update ef_env.c

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EF_WG_ALIGN_DOWN(size) 可能为0，需要额外判断以避免某些芯片flash写0长度数据出错。
This commit is contained in:
mx1117 2021-10-28 18:54:48 +08:00
parent ef3556f202
commit d80224448a
1 changed files with 6 additions and 2 deletions
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8
easyflash/src/ef_env.c
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@ -1286,9 +1286,13 @@ static EfErrCode align_write(uint32_t addr, const uint32_t *buf, size_t size)
#endif
memset(align_data, 0xFF, align_data_size);
result = ef_port_write(addr, buf, EF_WG_ALIGN_DOWN(size));
align_remain = EF_WG_ALIGN_DOWN(size);//use align_remain temporary to save aligned size.
align_remain = size - EF_WG_ALIGN_DOWN(size);
if(align_remain > 0){//it may be 0 in this function.
result = ef_port_write(addr, buf, align_remain);
}
align_remain = size - align_remain;
if (result == EF_NO_ERR && align_remain) {
memcpy(align_data, (uint8_t *)buf + EF_WG_ALIGN_DOWN(size), align_remain);
result = ef_port_write(addr + EF_WG_ALIGN_DOWN(size), (uint32_t *) align_data, align_data_size);