void LCDScreen::updateArrow( double temp )
{
lcd.home();
lcd.print( tempFloor );
if ( temp < tempFloor ) temp = tempFloor;
int n; //number of spaces to create
if ( tempFloor > 99 && tempCeil > 99 ) n = 9;
else if ( tempFloor > 99 && tempCeil <= 99 ) n = 10;
else if ( tempFloor <= 99 && tempCeil > 99 ) n = 10;
else n = 11;
int newTemp = map( temp, tempFloor, tempCeil, 0, n );
for ( int o = 0; o < newTemp; o++ )
{
lcd.print( "-" );
}
lcd.print( ">" );
for ( int o = 0; o < ( n - newTemp); o++ )
{
lcd.print( " " );
}
lcd.print( tempCeil );
}
void LCDScreen::finalMess()
{
lcd.clear();
lcd.home();
lcd.print( "PCR complete." );
lcd.setCursor( 0, 1 );
lcd.print( "RESET to cont." );
}
void LCDScreen::dispUserPrefHighLow()
{
lcd.clear();
lcd.home();
lcd.print( "High: " );
lcd.print( tempCeil );
lcd.setCursor( 0, 1 );
lcd.print( "Low: " );
lcd.print( tempFloor );
}
void LCDScreen::setup() {
lcd.begin( 16, 2 );
lcd.home();
lcd.print( "PCR V.2 - O.V.L.");
lcd.setCursor( 0, 1 );
lcd.print( "SELECT to cont." );
waitForSelect();
delay( 500 );
setUserInputs();
delay( 500 );
}
void LCDScreen::displayInitialStatus( double temp, int current_cycle ) {
lcd.clear();
lcd.home();
updateArrow( temp );
lcd.setCursor( 0, 1 );
lcd.print( "Cycle no. " );
lcd.print( current_cycle );
lcd.print( "/" );
lcd.print( maxCycles );
}
void LCDScreen::printError( int mess )
{
lcd.clear();
lcd.home();
String message;
if ( mess == 1 ) { message = "ERR: Overheating"; }
else if ( mess < 1 ) { message = "ERR: Not ramping"; }
else { message = "ERR: wrap failed"; }
lcd.print( message );
lcd.setCursor( 0, 1 );
lcd.print( "Check hardware" );
}
int main(int argc, char *argv[])
{
Adafruit_RGBLCDShield lcd = Adafruit_RGBLCDShield();
lcd.begin(16, 2);
lcd.setBacklight(RED);
lcd.clear();
lcd.home();
lcd.setCursor(0,0);
lcd.myPrint("Hello World");
int count = 0;
for(int i = 0; i < 20; i++){
usleep(300000);
if(count < 5){
lcd.scrollDisplayRight();
}
count++;
if(count > 5){
lcd.scrollDisplayLeft();
}
if(count > 9) count = 0;
}
uint8_t buttons = lcd.readButtons();
while(!(buttons & BUTTON_SELECT)){
if (buttons) {
if (buttons & BUTTON_LEFT) {
lcd.scrollDisplayLeft();
lcd.setBacklight(GREEN);
}
if (buttons & BUTTON_RIGHT) {
lcd.scrollDisplayRight();
lcd.setBacklight(TEAL);
}
}
buttons = lcd.readButtons();
usleep(90000);
}
return 0;
}
