Eleanor Hulm / Mbed 2 deprecated EMB_LAB3

Controlling onboard RGB LED with Pulse-Width Modulation

Dependencies:   mbed C12832_lcd

EMB_Lab3_RGB.cpp

Committer:
hulmpants
Date:
2019-08-17
Revision:
1:31823a0dc268

File content as of revision 1:31823a0dc268:

// IT Tralee Mechatronics: Embedded Systems LAB#3
// Controlling RGB using PWM 

#include "mbed.h"
#include "C12832_lcd.h"

C12832_LCD lcd;
PwmOut r (p23);
PwmOut g (p24);
PwmOut b (p25);
AnalogIn pot1(p19); // pot 1 = red
AnalogIn pot2(p20); // pot 2 = green
DigitalIn center(p14); // joystick cent = blue
 
int main() {
    while(1) {
        r = 1 - pot1; // range=0-1 / 1=max red / levels varied by changing pot 
        g = 1 - pot2;
        b = 1 - center;
        lcd.cls(); // clear LCD
        lcd.locate(0,0); // location
        lcd.printf("Fun RGB Rainbow Show :) \n \r");
        lcd.locate(0,8);
        lcd.printf("Pot 1 = %.2f", (float)pot1); // print pot value
        lcd.locate(0,16);
        lcd.printf("Pot 2 = %.2f", (float)pot2);    }
}