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lines changed Original file line number Diff line number Diff line change @@ -940,13 +940,18 @@ endmenu # Wi-Fi
940940menu PHY
941941
942942config ESP32_PHY_CALIBRATION_AND_DATA_STORAGE
943- bool "Do phy calibration and store calibration data in NVS"
943+ bool "Store phy calibration data in NVS"
944944 default y
945945 help
946946 If this option is enabled, NVS will be initialized and calibration data will be loaded from there.
947947 PHY calibration will be skipped on deep sleep wakeup. If calibration data is not found, full calibration
948- will be performed and stored in NVS. In all other cases, only partial calibration will be performed.
948+ will be performed and stored in NVS. Normally, only partial calibration will be performed.
949+ If this option is disabled, full calibration will be performed.
949950
951+ If it's easy that your board calibrate bad data, choose 'n'.
952+ Two cases for example, you should choose 'n':
953+ 1.If your board is easy to be booted up with antenna disconnected.
954+ 2.Because of your board design, each time when you do calibration, the result are too unstable.
950955 If unsure, choose 'y'.
951956
952957config ESP32_PHY_INIT_DATA_IN_PARTITION
Original file line number Diff line number Diff line change @@ -266,17 +266,17 @@ void esp_phy_load_cal_and_init(void)
266266 abort ();
267267 }
268268
269- #ifdef CONFIG_ESP32_PHY_CALIBRATION_AND_DATA_STORAGE
270- esp_phy_calibration_mode_t calibration_mode = PHY_RF_CAL_PARTIAL ;
271- if (rtc_get_reset_reason (0 ) == DEEPSLEEP_RESET ) {
272- calibration_mode = PHY_RF_CAL_NONE ;
273- }
274269 const esp_phy_init_data_t * init_data = esp_phy_get_init_data ();
275270 if (init_data == NULL ) {
276271 ESP_LOGE (TAG , "failed to obtain PHY init data" );
277272 abort ();
278273 }
279274
275+ #ifdef CONFIG_ESP32_PHY_CALIBRATION_AND_DATA_STORAGE
276+ esp_phy_calibration_mode_t calibration_mode = PHY_RF_CAL_PARTIAL ;
277+ if (rtc_get_reset_reason (0 ) == DEEPSLEEP_RESET ) {
278+ calibration_mode = PHY_RF_CAL_NONE ;
279+ }
280280 esp_err_t err = esp_phy_load_cal_data_from_nvs (cal_data );
281281 if (err != ESP_OK ) {
282282 ESP_LOGW (TAG , "failed to load RF calibration data (0x%x), falling back to full calibration" , err );
@@ -290,11 +290,12 @@ void esp_phy_load_cal_and_init(void)
290290 } else {
291291 err = ESP_OK ;
292292 }
293- esp_phy_release_init_data (init_data );
294293#else
295- esp_phy_rf_init (NULL , PHY_RF_CAL_FULL , cal_data );
294+ esp_phy_rf_init (init_data , PHY_RF_CAL_FULL , cal_data );
296295#endif
297296
297+ esp_phy_release_init_data (init_data );
298+
298299 free (cal_data ); // PHY maintains a copy of calibration data, so we can free this
299300}
300301
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