blackbeard420/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf synced 2025-03-10 01:29:21 -04:00
Code Issues Projects Releases Wiki Activity

CRC check improved.

Browse Source
This commit is contained in:
Dmitry 2018-07-09 08:59:50 +03:00
parent 35842d02ab
commit e834d6fffc
1 changed files with 12 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
components/wear_levelling/WL_Flash.cpp
View File

@ -328,14 +328,21 @@ esp_err_t WL_Flash::updateV1_V2()
int check_size = offsetof(wl_state_t, device_id);
// Chech CRC and recover state
uint32_t crc1 = crc32::crc32_le(WL_CFG_CRC_CONST, (uint8_t *)&this->state, check_size);
// For V1 crc in place of device_id and version
uint32_t v1_crc = this->state.device_id;
wl_state_t sa_copy;
wl_state_t *state_copy = &sa_copy;
result = this->flash_drv->read(this->addr_state2, state_copy, sizeof(wl_state_t));
WL_RESULT_CHECK(result);
uint32_t crc2 = crc32::crc32_le(WL_CFG_CRC_CONST, (uint8_t *)state_copy, check_size);
ESP_LOGD(TAG, "%s - process crc1=0x%08x v1_crc=0x%08x, version=%i", __func__, crc1, v1_crc, this->state.version);
// For V1 crc in place of device_id and version
uint32_t v1_crc1 = this->state.device_id;
uint32_t v1_crc2 = state_copy->device_id;
ESP_LOGD(TAG, "%s - process crc1=0x%08x, crc2=0x%08x, v1_crc1=0x%08x, v1_crc2=0x%08x, version=%i", __func__, crc1, crc2, v1_crc1, v1_crc2, this->state.version);
if ((crc1 == v1_crc) && (this->state.version == 1)){
if ((crc1 == v1_crc1) && (crc2 == v1_crc2) && (v1_crc1 == v1_crc2) && (this->state.version == 1)){
// Here we have to update all internal structures
ESP_LOGI(TAG, "%s Update from V1 to V2", __func__);
ESP_LOGI(TAG, "%s Update from V1 to V2, crc=0x%08x, ", __func__, crc1);
uint32_t pos = 0;
for (size_t i = 0; i < this->state.max_pos; i++) {