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/*
* blinkyfication
*
*
* Copyright (C) 2016 Christian Pointner <equinox@spreadspace.org>
*
* This file is part of blinkyfication.
*
* blinkyfication is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3
* as published by the Free Software Foundation.
*
* blinkyfication is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with blinkyfication. If not, see <http://www.gnu.org/licenses/>.
*/
#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/interrupt.h>
#include <avr/power.h>
#include <stdio.h>
#include "util.h"
#include "usbio.h"
#include "Arduino.h"
#include "FastLED.h"
#define NUM_LEDS 8
#define DATA_PIN 1 // PB1 @ Atmega32U2
#define _10MS_ ((uint16_t)625) // 10ms @ 16MHz / Prescaler 1:256
CRGB leds[NUM_LEDS];
void fastled_init()
{
arduino_init();
FastLED.addLeds<WS2812B, DATA_PIN, GRB>(leds, NUM_LEDS);
}
void timer_init()
{
TCCR1A = 0;
TCCR1B = 0;
TCCR1C = 0;
OCR1A = 0xFFFF;
TCNT1 = 0;
TIMSK1 = (1 << OCIE1A);
}
void timer_start(uint16_t timeout)
{
OCR1A = timeout;
TCNT1 = 0;
TCCR1B = (1 << CS12);
}
ISR(TIMER1_COMPA_vect)
{
TCCR1B = 0;
fill_solid(leds, NUM_LEDS, CRGB::Black);
FastLED.show();
}
void handle_cmd(uint8_t cmd)
{
switch(cmd) {
case '0': fill_solid(leds, NUM_LEDS, CRGB::Black); FastLED.show(); break;
case '1': fill_solid(leds, NUM_LEDS, CRGB::White); FastLED.show(); break;
case 'r': fill_solid(leds, NUM_LEDS, CRGB::Red); FastLED.show(); break;
case 'g': fill_solid(leds, NUM_LEDS, CRGB::Green); FastLED.show(); break;
case 'b': fill_solid(leds, NUM_LEDS, CRGB::Blue); FastLED.show(); break;
case 'w': fill_rainbow(leds, NUM_LEDS, 0, 256/NUM_LEDS); FastLED.show(); break;
case '.': fill_solid(leds, NUM_LEDS, CRGB::White); FastLED.show(); timer_start(10 * _10MS_); break;
case 'o': fill_solid(leds, NUM_LEDS, CRGB::White); FastLED.show(); timer_start(30 * _10MS_); break;
case 'O': fill_solid(leds, NUM_LEDS, CRGB::White); FastLED.show(); timer_start(100 * _10MS_); break;
case 'R': fill_solid(leds, NUM_LEDS, CRGB::Red); FastLED.show(); timer_start(10 * _10MS_); break;
case 'G': fill_solid(leds, NUM_LEDS, CRGB::Green); FastLED.show(); timer_start(10 * _10MS_); break;
case 'B': fill_solid(leds, NUM_LEDS, CRGB::Blue); FastLED.show(); timer_start(10 * _10MS_); break;
case '!': reset2bootloader(); break;
}
}
int main(void)
{
MCUSR &= ~(1 << WDRF);
wdt_disable();
cpu_init();
usbio_init();
fastled_init();
sei();
timer_init();
fill_solid(leds, NUM_LEDS, CRGB::Black);
FastLED.show();
for(;;) {
int16_t BytesReceived = usbio_bytes_received();
while(BytesReceived > 0) {
int ReceivedByte = fgetc(stdin);
if(ReceivedByte != EOF) {
handle_cmd(ReceivedByte);
}
BytesReceived--;
}
usbio_task();
}
}
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