replace Serial.print

src/main.cpp

@@ -134,8 +134,7 @@ void gotoSleep(unsigned int sleep_time = TIME_TO_SLEEP) {
 
   esp_sleep_enable_timer_wakeup(sleep_time * 1000000LL);
   esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_OFF);
-  Serial.println("going to to sleep for " + String(sleep_time) +
+  ESP_LOGI(TAG, "going to to sleep for %d seconds", sleep_time);
-  " Seconds");
   Serial.flush();
   esp_deep_sleep_start();
   delay(1);
@@ -156,7 +155,7 @@ void wifiConnect() {
 
   Serial.println("millis(): " + String(millis()));
 
-  Serial.println("previous dhcp: " + String(getTimestamp() - network.last_dhcp) + "s ago");
+  ESP_LOGD(TAG, "previous dhcp: %lu s ago", getTimestamp() - network.last_dhcp);
 
   if ( ip != INADDR_NONE && dns != INADDR_NONE && gateway != INADDR_NONE && subnet != INADDR_NONE
        && ((ip[0] == 192 && ip[1] == 168) || (ip[0] == 172 && ip[1] == 16))
@@ -174,7 +173,7 @@ void wifiConnect() {
   } else {
     ESP_LOGD("WiFi", "DHCP");
     for (int tries=0; wifiMulti.run() != WL_CONNECTED && tries < 20; tries++) {
-      Serial.print(".");
+      ESP_LOGD("WiFi", ".");
       delay(500);
     }
 
@@ -283,7 +282,7 @@ void getSensorMeasurements() {
       ESP_LOGI(TAG, "Humidity      : %8.2f %", sensor_readings.humidity);
       ESP_LOGI(TAG, "VOC           : %5lu    kOhm", sensor_readings.voc);
     } else {
-      Serial.println("Failed to perform reading :(");
+      ESP_LOGE(TAG, "Failed to perform BME680 reading :(");
     }
   }
 
@@ -318,18 +317,18 @@ void getSensorMeasurements() {
     sensor_readings.lux = lightMeter.readLightLevel();
     // auto-adjust sensitivity
     if (sensor_readings.lux < 0) {
-      Serial.println("Error reading light level");
+      ESP_LOGE(TAG, "Error reading light level");
     } else if (sensor_readings.lux > 40000.0) {
       if (lightMeter.setMTreg(32)) {
-        Serial.println(F("Setting MTReg to low value for high light environment"));
+        ESP_LOGD(TAG, "Setting MTReg to low value for high light environment");
       }
     } else if (sensor_readings.lux <= 10.0) {
       if (lightMeter.setMTreg(138)) {
-        Serial.println(F("Setting MTReg to high value for low light environment"));
+        ESP_LOGD(TAG, "Setting MTReg to high value for low light environment");
       }
     } else { // if (sensor_readings.lux > 10.0)
       if (lightMeter.setMTreg(69)) {
-        Serial.println(F("Setting MTReg to default value for normal light environment"));
+        ESP_LOGD(TAG, "Setting MTReg to default value for normal light environment");
       }
     }
     ESP_LOGI(TAG, "Lux           : %8.2f lx", sensor_readings.lux);
@@ -657,7 +656,7 @@ void setup()
 
   esp_sleep_wakeup_cause_t wakeup_reason = esp_sleep_get_wakeup_cause();
   ++bootCount;
-  Serial.println("Boot number: " + String(bootCount));
+  ESP_LOGI(TAG, "Boot number: %d", bootCount);
   Serial.println("millis(): " + String(millis()));
 
   ESP_LOGD(TAG, "setup hardware and sensors");
@@ -712,7 +711,7 @@ void setup()
                        2.95, 1.74,  // UVB_C and UVB_D coefficients
                        0.001461, 0.002591); // UVA and UVB responses
   } else {
-    Serial.println("Failed to communicate with VEML6075 sensor, check wiring?");
+    ESP_LOGW(TAG, "Failed to communicate with VEML6075 sensor, check wiring?");
   }
 
   Serial.println("millis(): " + String(millis()));
@@ -720,7 +719,7 @@ void setup()
   if (lightMeter.begin()) {
     sensors_active.light = true;
   } else {
-    Serial.println("Failed to communicate with BH1750 sensor, check wiring?");
+    ESP_LOGW(TAG, "Failed to communicate with BH1750 sensor, check wiring?");
   }
 
   Serial.println("millis(): " + String(millis()));
@@ -737,7 +736,7 @@ void setup()
       sds.setActiveReportingMode();  // ensures sensor is in 'active' reporting mode
       sds.setCustomWorkingPeriod(5); // sensor sends data every 3 minutes
     } else {
-      Serial.println("Failed to communicate with SDS011 sensor, check wiring?");
+      ESP_LOGW(TAG, "Failed to communicate with SDS011 sensor, check wiring?");
     }
   }
 
@@ -817,7 +816,6 @@ void loop()
 
     /* Do a full refresh every hour */
   if (getTimestamp() - lastDisplayRefresh >= 60*60) {
-    Serial.printf("last display refresh :%ds ago", getTimestamp() - lastDisplayRefresh);
     lastDisplayRefresh = getTimestamp();
     display.clearScreen();
     display.refresh();