Charles Tritt / Mbed OS Serial2RGB_21_v5

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main.cpp

Committer:
CSTritt
Date:
2017-03-15
Revision:
1:fdb8ecdf954f
Parent:
0:8d318218bac1
Child:
2:f91fc3b8d8f7

File content as of revision 1:fdb8ecdf954f:

#include "mbed.h"
/*
    Serial2RGB main by C. S. Tritt, Last revised 3/14/17 (v. 1.0)
    Toggles RGB LED junctions in response to serial input. Uses "unbuffered" 
    reads (Enter, CR/LF not required). 
*/
DigitalOut RedLED(D9); // Physically same as Arduino Digital pin 9.
DigitalOut GrnLED(D10); // Physically same as Arduino Digital pin 10.
DigitalOut BluLED(D11); // Physically same as Arduino Digital pin 11.

Serial pc(USBTX, USBRX); // Default settings are 9600 Baud, 8-N-1.

int main() {
    
    RedLED = 0;
    GrnLED = 0;
    BluLED = 0;
    char letter;
    
    while(1) {
        if (pc.readable()) {
            letter = pc.getc();
            pc.putc(letter);
            if (letter == 'r') {
                RedLED = !RedLED;
            }
            else if (letter == 'g') {
                GrnLED = !GrnLED;
            }       
            else if (letter == 'b') {
                BluLED = !BluLED;
            }       
        }
    }
}