jim hamblen / Mbed 2 deprecated LED_House_Lights

Demo of LED lighting effects using PWM and wait for time delays. Pins are setup for LPC1768 platform’s LEDs. For complete information, see http://developer.mbed.org/users/4180_1/notebook/led-lighting-effects-for-modelers/

Dependencies:   mbed

main.cpp

Committer:
4180_1
Date:
2014-11-28
Revision:
0:689e5e7eafb1

File content as of revision 0:689e5e7eafb1:

#include "mbed.h"
//LED House Lighting effect with flickering TV and room lights randomly changing
DigitalOut porch(LED1);
DigitalOut room(LED2);
DigitalOut room2(LED3);
//DigitalOut OK for LEDs just turing on and off
PwmOut TV(LED4);
//Need PWM for nice flickering TV effect

//Use Cs random number generator rand(), but scaled and
//converted to a float from 0.0 to 1.0
inline float random_number()
{
    return (rand()/(float(RAND_MAX)));
}

int main()
{
    float x=0.0;
    porch = 1;
    while(1) {
        x = random_number();
        TV = x;
        if (x >0.98) room = !room;
        if (x >0.99) room2 = !room2;
        wait(0.05);
    }
}