implemenetd first TODO

code/code.ino

@@ -1,4 +1,3 @@
-//TODO: Divide interface with screens, each screen is a settings for each feature (address, mode, password, encryption on/off)
 //TODO: Learn how to use radio module, transmit data with it
 //TODO: Learn how to use mic. in arduino, transmit plain sound among two arduinos and play it
 //TODO: Implement encryption and decryption using AES128, test it with text, then use to encrypt sound
@@ -8,17 +7,32 @@
 #include <nRF24L01.h>
 #include <RF24.h>
 #include <AESLib.h>
+#include <EEPROM.h>
 
 //Components
 LiquidCrystal_I2C lcd(0x27, 16, 2);
 RF24 radio(7,8);
 
 //Settings
-byte unsigned address = -1;
+byte unsigned address = 1;
 unsigned short key = 0;
-String seed = "1305b5cfa1a59e9789de"; // "random" seed ;)
+byte unsigned screen = 0;
+const String seed = "1305b5cfa1a59e9789de"; // "random" seed ;)
 String password;
 bool mode = 0; // 0 = transmit, 1 = recieve, bool is 2 bytes less than byte :)
+bool encryption = 1; // will the trafic be encrypted?
+
+//Switch screen button
+const byte switchScreenButton = 2;
+byte switchScreenLast;
+
+//IncreaseButton
+const byte increaseButton = 3;
+byte increaseButtonLast;
+
+//DecreaseButton
+const byte decreaseButton = 4;
+byte decreaseButtonLast;
 
 void switchMode();
 void printOutput();
@@ -26,6 +40,11 @@ void updatePassword();
 
 void setup() {
   Serial.begin(9600);
+
+  //Setting up buttons
+  pinMode(switchScreenButton, INPUT_PULLUP);
+  pinMode(increaseButton, INPUT_PULLUP);
+  pinMode(decreaseButton, INPUT_PULLUP);
   
   //Setting up a radio module
   radio.begin();
@@ -40,9 +59,56 @@ void setup() {
 }
 
 void loop() {
-  switchMode();
+//  switchMode();
+  byte switchButtonValue = digitalRead(switchScreenButton);
+  byte increaseValue = digitalRead(increaseButton);
+  byte decreaseValue = digitalRead(decreaseButton);
+  
+  
+  if (switchButtonValue == 0 && switchScreenLast == 1) {
+    screen = screen < 3? screen + 1 : 0; 
+  }
+
+  if (increaseValue == 0 && increaseButtonLast == 1) {
+    switch (screen) {
+      case 0:
+        mode = 1;
+      break;
+      case 1:
+        address = address < 127? address + 1 : 0;
+      break;
+      case 2:
+        key ++;
+      break;
+      case 3:
+        encryption = 1;
+      break;
+    }
+  }
+
+  if (decreaseValue == 0 && decreaseButtonLast == 1) {
+    switch (screen) {
+      case 0:
+        mode = 0;
+      break;
+      case 1:
+        address = address > 0? address - 1 : 127;
+      break;
+      case 2:
+        key --;
+      break;
+      case 3:
+        encryption = 0;
+      break;
+    }
+  }
+  
+  switchScreenLast = switchButtonValue;
+  increaseButtonLast = increaseValue;
+  decreaseButtonLast = decreaseValue;
+  
   printOutput();
-  delay(500);
+  delay(100);
 }
 
 void switchMode () {
@@ -58,12 +124,26 @@ void switchMode () {
 }
 
 void printOutput () {
-   lcd.setCursor(0, 0);
-   lcd.print("Mode: ");
-   lcd.print(mode? "rec." : "tra.");
-   lcd.setCursor(0, 1);
-   lcd.print("Addr.: ");
-   lcd.print(address);
+   lcd.clear();
+   switch (screen) {
+    case 0:
+      lcd.print("Mode: ");
+      lcd.print(mode? "rec." : "tra.");
+    break;
+    case 1:
+      lcd.print("Addr.: ");
+      lcd.print(address);
+    break;
+    case 2:
+      lcd.print("Password: ");
+      lcd.print(key);
+    break;
+    case 3:
+      lcd.print("Enc. :");
+      lcd.print(encryption? "yes" : "no");
+   }
+
+   
 //   for (int i = 0; i < 5; i ++) lcd.print(address[i] - '0');
    //lcd.print(mode);
 }