Aerodyne / Mbed 2 deprecated PhysicalPixel

Control an LED from a computer via the serial port

Dependencies:   mbed

PhysicalPixel.cpp

Committer:
ethanharstad
Date:
2014-06-06
Revision:
1:c064570d8b35
Parent:
0:da809d54f2ce

File content as of revision 1:c064570d8b35:

#include "mbed.h"

// Global variables
DigitalOut led(LED1);           // LED output
Serial pc(USBTX, USBRX);        // Computer serial port

// Function prototypes
void handleInput(char in);

// Main function
int main() {
    while(true) {               // Main loop
        if(pc.readable()) {     // Can we read?
            char c = pc.getc(); // Read a character
            handleInput(c);     // Handle the input
        }
    }                           // Repeat
}

// Input handler
void handleInput(char in) {
    if(in == 'H') {             // Is input H?
        led = 1;                // Turn on LED
    } else if(in == 'L') {      // Is input L?
        led = 0;                // Turn off LED
    }
}