fix(sleep): swap touchpad num in wakeup status

components/driver/include/driver/touch_pad.h

@@ -550,6 +550,15 @@ esp_err_t touch_pad_filter_stop();
  */
 esp_err_t touch_pad_filter_delete();
 
+/**
+ * @brief Get the touch pad which caused wakeup from sleep
+ * @param pad_num pointer to touch pad which caused wakeup
+ * @return
+ *      - ESP_OK Success
+ *      - ESP_FAIL get status err
+ */
+esp_err_t touch_pad_get_wakeup_status(touch_pad_t *pad_num);
+
 #ifdef __cplusplus
 }
 #endif

components/driver/rtc_module.c

@@ -1002,6 +1002,16 @@ esp_err_t touch_pad_filter_delete()
     return ESP_OK;
 }
 
+esp_err_t touch_pad_get_wakeup_status(touch_pad_t *pad_num)
+{
+    uint32_t touch_mask = SENS.sar_touch_ctrl2.touch_meas_en;
+    if(touch_mask == 0) {
+        return ESP_FAIL;
+    }
+    *pad_num = touch_pad_num_wrap((touch_pad_t)(__builtin_ffs(touch_mask) - 1));
+    return ESP_OK;
+}
+
 /*---------------------------------------------------------------
                     ADC Common
 ---------------------------------------------------------------*/

components/esp32/sleep_modes.c

@@ -428,9 +428,10 @@ touch_pad_t esp_sleep_get_touchpad_wakeup_status()
     if (esp_sleep_get_wakeup_cause() != ESP_SLEEP_WAKEUP_TOUCHPAD) {
         return TOUCH_PAD_MAX;
     }
-    uint32_t touch_mask = REG_GET_FIELD(SENS_SAR_TOUCH_CTRL2_REG, SENS_TOUCH_MEAS_EN);
-    assert(touch_mask != 0 && "wakeup reason is RTC_TOUCH_TRIG_EN but SENS_TOUCH_MEAS_EN is zero");
-    return (touch_pad_t) (__builtin_ffs(touch_mask) - 1);
+    touch_pad_t pad_num;
+    esp_err_t ret = touch_pad_get_wakeup_status(&pad_num);
+    assert(ret == ESP_OK && "wakeup reason is RTC_TOUCH_TRIG_EN but SENS_TOUCH_MEAS_EN is zero");
+    return pad_num;
 }
 
 esp_err_t esp_sleep_enable_ext0_wakeup(gpio_num_t gpio_num, int level)