serial mode support

platformio.ini

@@ -15,7 +15,7 @@ framework = arduino
 lib_deps = ottowinter/ESPAsyncWebServer-esphome@^3.0.0
 board_build.filesystem = littlefs
 upload_speed = 921600
-monitor_speed = 115200
+monitor_speed = 9600
 
 [env:nodemcuv2_OTA]
 platform = espressif8266
@@ -25,4 +25,4 @@ lib_deps = ottowinter/ESPAsyncWebServer-esphome@^3.0.0
 board_build.filesystem = littlefs
 upload_protocol = espota
 upload_port = 192.168.4.1
-monitor_speed = 115200
+monitor_speed = 9600

src/config.hpp

@@ -9,11 +9,15 @@
 #endif
 
 
+// do not edit this
 #if PLATFORM == ESP32 || PLATFORM == ESP8266
     #define WIRELESS_SUPPORT
 #endif
 
 
+/*===== Serial Debug =====*/
+//#define SERIAL_DEBUG
+
 
 /*===== Pin =====*/
 #define HEAT_GUN_FAN_PIN D2

src/main.cpp

@@ -21,6 +21,7 @@
 /*===== Object =====*/
 
 Ticker heater;
+Ticker serial_reporter;
 
 
 
@@ -31,6 +32,10 @@ double temp1_target = HEAT_OFF;
 double temp2_current = 0;
 double temp2_target = HEAT_OFF;
 
+String inputString = "";         // a string to hold incoming data
+boolean stringComplete = false;  // whether the string is complete
+
+
 
 
 /*===== Function =====*/
@@ -95,11 +100,62 @@ void heat_handler(){
 }
 
 
+#ifndef SERIAL_DEBUG
+
+    void getCommand(){
+        String commandString = "";
+
+        if(inputString.length() > 0){
+            commandString = inputString.substring(1,6);
+        }
+
+        if(commandString.equals("TARTP")){ //absolutely set temperature
+            String abs_temp_str = inputString.substring(6,inputString.length());
+            temp1_target = abs_temp_str.toInt();
+        }
+
+        if(commandString.equals("DRCTP")){ //relatively set temperature
+            String rel_temp_str = inputString.substring(6,inputString.length());
+            temp1_target += rel_temp_str.toInt();
+        }
+
+        inputString="";
+    }
+
+
+    void serialEvent(){
+        while(Serial.available() && !stringComplete){
+            // get the new byte:
+            char inChar = (char)Serial.read();
+            // add it to the inputString:
+            inputString += inChar;
+            // if the incoming character is a newline, set a flag
+            // so the main loop can do something about it:
+            if(inChar == '\n'){
+            stringComplete = true;
+            }
+        }
+    }
+
+
+    void serial_report_handler(){
+        Serial.println(temp1_target);  
+        Serial.print(",");  
+        Serial.print(temp1_current);  
+        Serial.print(",");   
+        Serial.print(temp2_target);  
+        Serial.print(",");  
+        Serial.print(temp2_current);  
+        Serial.print(",");
+    }
+
+#endif
+
 
 /*===== Main =====*/
 
 void setup() {
-    Serial.begin(115200);
+    Serial.begin(9600);
 
     /*[Pin Init]*/
     pinMode(HEAT_GUN_FAN_PIN, OUTPUT);
@@ -115,6 +171,9 @@ void setup() {
 
     /*[Ticker Init]*/
     heater.attach(0.1, heat_handler);
+    #ifndef SERIAL_DEBUG
+        serial_reporter.attach(0.5, serial_report_handler);
+    #endif
 }
 
 
@@ -125,4 +184,11 @@ void loop() {
     #ifdef WIRELESS_SUPPORT
         wireless_handler();
     #endif
+
+    #ifndef SERIAL_DEBUG
+        if(stringComplete){
+            getCommand();
+            stringComplete = false;
+        }
+    #endif
 }

src/platform/esp_platform.cpp

@@ -42,18 +42,15 @@ void handleWebSocketMessage(void *arg, uint8_t *data, size_t len) {
         String str_data = (String)(char*)data;
         String head = str_data.substring(0,3);
         String body = str_data.substring(3,str_data.length());
-
+        #ifdef SERIAL_DEBUG
             Serial.println("head: "+ head + " body: " + body);
+        #endif
         
         if(head == "h1t"){
         temp1_target = body.toDouble();
         }else if(head == "h2t"){
         temp2_target = body.toDouble();
         }
-    //Serial.println(power);
-
-    //pinMode(LED_PIN, 0);
-    //LED_handler.attach_ms(300, led_off);
     }
 }
 
@@ -61,12 +58,16 @@ void handleWebSocketMessage(void *arg, uint8_t *data, size_t len) {
 void onEvent(AsyncWebSocket *server, AsyncWebSocketClient *client, AwsEventType type, void *arg, uint8_t *data, size_t len) {
     switch (type) {
         case WS_EVT_CONNECT:
+            #ifdef SERIAL_DEBUG
                 Serial.printf("WebSocket client #%u connected from %s\n", client->id(), client->remoteIP().toString().c_str());
+            #endif
             temp1_target = HEAT_OFF;
             temp2_target = HEAT_OFF;
             break;
         case WS_EVT_DISCONNECT:
+            #ifdef SERIAL_DEBUG
                 Serial.printf("WebSocket client #%u disconnected\n", client->id());
+            #endif
             temp1_target = HEAT_OFF;
             temp2_target = HEAT_OFF;
             break;
@@ -87,18 +88,24 @@ void web_report_handler(){
     ws.textAll("h2c" + String(temp2_current));
     ws.textAll("h1t" + String(temp1_target));
     ws.textAll("h2t" + String(temp2_target));
+    #ifdef SERIAL_DEBUG
         Serial.println("report temp" + String(" h1c: ") + String(temp1_current) + " h2c: " + String(temp2_current) + " h1t: " + String(temp1_target) + " h2t: " + String(temp2_target));
+    #endif
 }
 
 
 void wireless_setup(){
     /*[LittleFS Init]*/
     if(!LittleFS.begin()){
+        #ifdef SERIAL_DEBUG
             Serial.println("fail init fs");
+        #endif
         return;
     }
 
+
     /*[Show All Files]*/
+    #ifdef SERIAL_DEBUG
         Dir root = LittleFS.openDir("/");
         while (root.next()) {
             File file = root.openFile("r");
@@ -108,10 +115,13 @@ void wireless_setup(){
             Serial.println(file.size());
             file.close();
         }
+    #endif
+
 
     /*[Wifi Init]*/
     WiFi.softAP(AP_SSID, AP_PASSWD, AP_CHANNEL, 0, AP_MAX_CLIENT);
 
+
     /*[Web Init]*/
     ws.onEvent(onEvent);
     server.addHandler(&ws);
@@ -121,9 +131,11 @@ void wireless_setup(){
 
     server.begin();
 
+
     /*[OTA Init]*/
     ArduinoOTA.begin();
 
+
     /*[Ticker Init]*/
     temp_reporter.attach(0.5, web_report_handler);
 }