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Improve robustness of restore from NVS

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This commit is contained in:
Manuel Bl
2021-09-29 17:46:04 +02:00
parent f433e826a7
commit b626ccb61a
1 changed files with 11 additions and 12 deletions
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23
src/ttn_nvs.c
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@ -32,6 +32,8 @@ void ttn_nvs_save()
{
nvs_handle handle = 0;
esp_err_t res = nvs_open(NVS_FLASH_PARTITION, NVS_READWRITE, &handle);
if (res == ESP_ERR_NVS_NOT_INITIALIZED)
ESP_LOGW(TAG, "NVS storage is not initialized. Call 'nvs_flash_init()' first.");
if (res != ESP_OK)
goto done;
@ -62,20 +64,15 @@ void ttn_nvs_save()
done:
nvs_close(handle);
if (res == ESP_ERR_NVS_NOT_INITIALIZED)
{
ESP_LOGW(TAG, "NVS storage is not initialized. Call 'nvs_flash_init()' first.");
}
else
{
ESP_ERROR_CHECK(res);
}
ESP_ERROR_CHECK(res);
}
bool ttn_nvs_restore(int off_duration)
{
nvs_handle handle = 0;
esp_err_t res = nvs_open(NVS_FLASH_PARTITION, NVS_READWRITE, &handle);
if (res == ESP_ERR_NVS_NOT_INITIALIZED)
ESP_LOGW(TAG, "NVS storage is not initialized. Call 'nvs_flash_init()' first.");
if (res != ESP_OK)
goto done;
@ -89,11 +86,15 @@ bool ttn_nvs_restore(int off_duration)
if (res != ESP_OK)
goto done;
memset(LMIC.pendTxData, 0, MAX_LEN_PAYLOAD);
size_t len2 = LMIC_DIST(pendTxData, frame) - MAX_LEN_PAYLOAD;
res = nvs_get_blob(handle, NVS_FLASH_KEY_CHUNK_2, (u1_t *)&LMIC.pendTxData + MAX_LEN_PAYLOAD, &len2);
if (res != ESP_OK)
goto done;
memset(LMIC.frame, 0, MAX_LEN_FRAME);
size_t len3 = sizeof(struct lmic_t) - LMIC_OFFSET(frame) - MAX_LEN_FRAME;
res = nvs_get_blob(handle, NVS_FLASH_KEY_CHUNK_3, (u1_t *)&LMIC.frame + MAX_LEN_FRAME, &len3);
if (res != ESP_OK)
@ -114,10 +115,8 @@ bool ttn_nvs_restore(int off_duration)
done:
nvs_close(handle);
if (res == ESP_ERR_NVS_NOT_INITIALIZED)
{
ESP_LOGW(TAG, "NVS storage is not initialized. Call 'nvs_flash_init()' first.");
}
if (res != ESP_OK)
memset(&LMIC.radio, 0, sizeof(LMIC) - LMIC_OFFSET(radio));
return res == ESP_OK;
}