Started working on command set and removing tests

arduino-mixer.ino

@@ -10,13 +10,26 @@ Adafruit_PCD8544 display = Adafruit_PCD8544(14, 15, 16, 17, 18);
 Button button(4);
 Encoder encoder(3, 2);
 
+// General vars
 unsigned long time;
 int connected = 0;
 int editing = 0;
 int blink = 0;
 
+// Encoder related vars
 long position = 0;
 
+// Serial related vars
+const byte numChars = 32;
+char receivedChars[numChars];
+char tempChars[numChars];  
+
+char command[numChars] = {0};
+char data[numChars] = {0};
+int intData = 0;
+
+boolean newData = false;
+
 
 // Set backlight
 int light = 0;
@@ -35,11 +48,12 @@ void toggleBacklight(int value = 128) {
 // Set variables for menu
 int programLenght;
 int currentProgram = 0;
+char programName[numChars] = {0};
 int menuUpdate = 1;
-int volume;
+float volume;
 
 // Draw screen
-void drawMenu(String name, float percentage) {
+void drawMenu(char name, float percentage) {
   display.clearDisplay();
   display.setFont(&Picopixel);
 
@@ -139,7 +153,8 @@ void drawBar(float percentage) {
 }
 
 // Draw program name in the middle of the display or scroll it
-void drawName(String name) {
+// TODO: Fix char lenght
+void drawName(char name) {
   int width = name.length() * 6;
   if (width > 84)
   {
@@ -152,6 +167,7 @@ void drawName(String name) {
 }
 
 // Check for button input
+// TODO: Improve encoder input
 void checkInput(unsigned long time) {
   long newPosition = encoder.read();
   if (newPosition != position) {
@@ -194,16 +210,6 @@ void checkInput(unsigned long time) {
   }
 }
 
-const byte numChars = 32;
-char receivedChars[numChars];
-char tempChars[numChars];  
-
-char command[numChars] = {0};
-char data[numChars] = {0};
-int intData = 0;
-
-boolean newData = false;
-
 void processData() {
     if (newData == true) {
         Serial.print("Raw data recieved: ");
@@ -222,8 +228,29 @@ void processData() {
         if (atoi(strtokIndx) > 0) // Integer data
         {
           intData = atoi(strtokIndx);
+          Serial.print("Int data: ");  
+          Serial.println(intData);
         } else { // String data
           strcpy(data, strtokIndx);
+          Serial.print("String data: ");
+          Serial.println(data);
+        }
+
+        if (strcmp("HELLO", command) == 0)
+        {
+          Serial.println("<OK>");
+        } 
+        else if (strcmp("COUNT", command) == 0)
+        {
+          programLenght = intData;
+        } 
+        else if (strcmp("NAME", command) == 0) 
+        {
+          // Set program name
+        } 
+        else if (strcmp("GETVOL", command) == 0) 
+        {
+          // Set volume
         }
 
         newData = false;
@@ -300,19 +327,7 @@ void loop() {
     // Draw menu every second or every 0.1 second when editing
     if (menuUpdate == 1 || (editing == 1 && time % 100 == 0)) {
       menuUpdate = 0;
-      // TODO: Get serial data for program
+      drawMenu(programName, volume);
-      switch (currentProgram)
-      {
-        case 0:
-          drawMenu("Firefox", volume);
-          break;
-        case 1:
-          drawMenu("Discord", volume);
-          break;
-        case 2:
-          drawMenu("Steam", volume);
-          break;
-      }
     }
 
     // Check input