Okegem ledbar

/*

ledbar color setting

for OVMV module Okegem

via 4 push buttons

07/08/2013 Valentijn

red 255,0,0

green 0,255,0

blue 0,0,255

yellow 255,255,0

white 255,255,255

purple 128,0,255 / 80,0,80

off 0,0,0

aqua 0,255,255

*/

#define F_CPU 100000UL

#include <avr/io.h>

#include <avr/interrupt.h>

#include <stdlib.h>

#include <util/delay.h>

#define DEBOUNCE_TIME 25 /* time to wait while "de-bouncing" button */

#define LOCK_INPUT_TIME 250 /* time to wait after a button press */

#define numberOfButtons 2

//Aliassen voor de PWM kanalen

#define PWM_RED OCR1BL // 16 - PB2

#define PWM_GREEN OCR1AL // 15 - PB3

#define PWM_BLUE OCR0A // 14 - PB4

#define PWM_WHITE OCR0B // 9 - PD5

#ifndef ButtonPress

#define ButtonPress

char ButtonPressed(int buttonNumber, unsigned char pinOfButton, unsigned char portBit, int confidenceLevel);

char Pressed[numberOfButtons];

int Pressed_Confidence_Level[numberOfButtons]; //Measure button press cofidence

int Released_Confidence_Level[numberOfButtons]; //Measure button release confidence

char ButtonPressed(int buttonNumber, unsigned char pinOfButton, unsigned char portBit, int confidenceLevel)

{

if (bit_is_clear(pinOfButton, portBit))

{

Pressed_Confidence_Level[buttonNumber] ++; //Increase Pressed Conficence

Released_Confidence_Level[buttonNumber] = 0; //Reset released button confidence since there is a button press

if (Pressed_Confidence_Level[buttonNumber] > confidenceLevel) //Indicator of good button press

{

if (Pressed[buttonNumber] == 0)

{

Pressed[buttonNumber] = 1;

return 1;

}

//Zero it so a new pressed condition can be evaluated

Pressed_Confidence_Level[buttonNumber] = 0;

}

}

else

{

Released_Confidence_Level[buttonNumber] ++; //This works just like the pressed

Pressed_Confidence_Level[buttonNumber] = 0; //Reset pressed button confidence since the button is released

if (Released_Confidence_Level[buttonNumber] > confidenceLevel)

{

Pressed[buttonNumber] = 0;

Released_Confidence_Level[buttonNumber] = 0;

}

}

return 0;

}

#endif

void delay_ms(unsigned int t)

{

while(t)

{

t--;

_delay_ms(1);

}

}

void set_color(unsigned int r, unsigned int g, unsigned int b)

{

PWM_RED = r;

PWM_GREEN = g;

PWM_BLUE = b;

delay_ms(100);

}

int main()

{

int red,green,blue;

// TIMER 0 Fast PWM, clear OC0A on match

TCCR0A = (1 << COM0A1) | (1 << WGM01) | (1 << WGM00);

// TIMER 0 Prescaler ck/8

TCCR0B = (1 << CS01);

// TIMER 1 Fast PWM 8-bit, clear OC1A, OC1B on match

TCCR1A = (1 << COM1A1) | (1 << COM1B1) | (1 << WGM10);

// TIMER 1 Prescaler ck/8

TCCR1B = (1 << CS11) | (1 << WGM12);

//PWM kanalen als uitgang

DDRB = (1 << PB2) | (1 << PB3) | (1 << PB4) | (1 << PD5); //0C0A, 0C1A, OC1B

DDRD = 0b00000000;

PORTD |= (1 << PIND0) | (1 << PIND1) | (1 << PIND2) | (1 << PIND3); // set to high

// initial color values

red=0; green=0; blue=255; // blue

//oneindige RGB fade loop

while(1)

{

set_color(red, green, blue);

if (ButtonPressed(0, PIND, 0, 50))

{

//delay_ms(LOCK_INPUT_TIME);

red=255; green=255; blue=255; // white

}

if (ButtonPressed(1, PIND, 1, 50))

{

//delay_ms(LOCK_INPUT_TIME);

red=128; green=0; blue=255; // purple

}

if (ButtonPressed(2, PIND, 2, 50))

{

//delay_ms(LOCK_INPUT_TIME);

red=255; green=255; blue=0; // yellow

}

if (ButtonPressed(3, PIND, 3, 50))

{

//delay_ms(LOCK_INPUT_TIME);

red=0; green=255; blue=255; // aqua

}

}

return 0;

}