LCD Projector Controller Project Help (n00b)

Forum 2005-2010 (read only) Hardware Interfacing
28

part 4

void power_OFF()
  {
      digitalWrite(ledPin,HIGH);        // turns on LED
      lcd_clear();
      lcd_goto(0);
      delay(10);
      Serial.println("Power OFF        ");
      lcd_puts("Sending  PWR OFF");
      lcd_goto(40);
      delay(10);
      lcd_puts("..PLEASE WAIT.. ");
      delay(1000);
      proj_send(proj_powerOFF);
      char feedback = mySerial.read();
      Serial.println(feedback);
      checkPower();
      checkInput();
      power_STATUS = 0;
      timeoutReset();
      digitalWrite(ledPin,LOW);    
  }
void input_PC()
  {
    digitalWrite(ledPin,HIGH);        // turns on LED
    lcd_clear();
    lcd_goto(0);
    delay(10);
    lcd_puts("INPUT = PC      ");
    Serial.println("INPUT = PC");
    proj_send(proj_inputPC);
    char feedback = mySerial.read();
    Serial.println(feedback);
    inputPCReset = 0;
    input_STATUS = 0;
    timeoutReset();
    digitalWrite(ledPin, LOW);        // turns off LED
  }
void input_DVD()
  {
    digitalWrite(ledPin,HIGH);        // turns on LED
    lcd_clear();
    lcd_goto(0);
    delay(10);
    lcd_puts("Input DVD       ");
    Serial.println("INPUT DVD");
    proj_send(proj_inputDVD);
    char feedback = mySerial.read();
    Serial.println(feedback);
    inputDVDReset = 0;
    input_STATUS = 1;
    timeoutReset();
    digitalWrite(ledPin, LOW);        // turns off LED
  }

void proj_send(char command[])
{
  mySerial.print(command);
  mySerial.print(execute);
}

void timeoutReset()
{
  lastActivity = millis();
  timeoutScreen = 1;
}

void setup() 
{
  lcd_init();
  Serial.begin(9600);
  pinMode(rxPin, INPUT);
  pinMode(txPin, OUTPUT);
  mySerial.begin(9600);
//  mySerial.print(clearBuffer);
}

void loop()
{
  if (startup == 1)
    {
      menu_show(0);
      delay(5000);
      lastActivity = millis();
      startup = 0;
    }
    
  if (millis() - lastActivity > timeout)    // if current millis (milliseconds since boot) minus lastActivity is greater than timeout
    {
      if (timeoutScreen == 0)
      {
        //menu_show(1);                          //  go to status screen
        checkPower();
        checkInput();
        lastActivity = millis();
        timeoutScreen = 1;
      }
      else
      {
        menu_show(0);                            //  go to welcome screen
        lastActivity = millis();
        timeoutScreen = 0;
      }
      menu_current = menu_last;
    }
     
  statusUp = analogRead(menuUp);      // reads the input of menuUp
  statusDn = analogRead(menuDn);      // reads the input of menuDn
  statusSel = analogRead(menuSel);    // reads the input of menuSel
  statusPw = analogRead(powerSel);    // reads the input of powerSel
  statusPC = digitalRead(inputPC);    // reads the input of inputPC
  statusDVD = digitalRead(inputDVD);  // reads the input of inputDVD
  if (statusUp < hiReset)
    menuUpReset = 1;
  if (statusDn < hiReset)
    menuDnReset = 1;
  if (statusSel < hiReset)
    menuSelReset = 1;
  if (statusPC == 1)
    inputPCReset = 1;
  if (statusDVD == 1)
    inputDVDReset = 1;
  if (statusUp >= hiThreshold && menuUpReset == 1)
    menu_prev();  
  if (statusDn >= hiThreshold && menuDnReset == 1)
    menu_next();   
  if (statusSel >= hiThreshold && menuSelReset == 1)
    menu_select(menu_option);  
  if (statusPw >= hiThreshold && power_STATUS != 1)
    power_ON();  
  if (statusPw < lowThreshold && power_STATUS != 0)
    power_OFF();  
  if (statusPC == 0 && input_STATUS != 0)
    input_PC();  
  if (statusDVD == 0 && input_STATUS != 1)
    input_DVD();  
}

I know it's long... gives full user feedback via 16x2 lcd. Pictures tomorrow (hopefully)