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path: root/usb-fastled/usb-fastled.cpp
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/*
 *  spreadspace avr utils
 *
 *
 *  Copyright (C) 2013-2015 Christian Pointner <equinox@spreadspace.org>
 *
 *  This file is part of spreadspace avr utils.
 *
 *  spreadspace avr utils is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  any later version.
 *
 *  spreadspace avr utils 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 spreadspace avr utils. 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 "led.h"
#include "usbio.h"

#include "Arduino.h"
#include "FastLED.h"




// How many leds in your strip?
#define NUM_LEDS 8

// For led chips like Neopixels, which have a data line, ground, and power, you just
// need to define DATA_PIN.  For led chipsets that are SPI based (four wires - data, clock,
// ground, and power), like the LPD8806 define both DATA_PIN and CLOCK_PIN
#define DATA_PIN 23    // PD5 @ Atmega32U4
#define CLOCK_PIN 2   // PD1 @ Atmega32U4

// Define the array of leds
CRGB leds[NUM_LEDS];

void fastled_init()
{
  arduino_init();

//  Uncomment/edit one of the following lines for your leds arrangement.
//  FastLED.addLeds<TM1803, DATA_PIN, RGB>(leds, NUM_LEDS);
//  FastLED.addLeds<TM1804, DATA_PIN, RGB>(leds, NUM_LEDS);
//  FastLED.addLeds<TM1809, DATA_PIN, RGB>(leds, NUM_LEDS);
//  FastLED.addLeds<WS2811, DATA_PIN, RGB>(leds, NUM_LEDS);
//  FastLED.addLeds<WS2812, DATA_PIN, RGB>(leds, NUM_LEDS);
  FastLED.addLeds<WS2812B, DATA_PIN, GRB>(leds, NUM_LEDS);
//  FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS);
//  FastLED.addLeds<APA104, DATA_PIN, RGB>(leds, NUM_LEDS);
//  FastLED.addLeds<UCS1903, DATA_PIN, RGB>(leds, NUM_LEDS);
//  FastLED.addLeds<UCS1903B, DATA_PIN, RGB>(leds, NUM_LEDS);
//  FastLED.addLeds<GW6205, DATA_PIN, RGB>(leds, NUM_LEDS);
//  FastLED.addLeds<GW6205_400, DATA_PIN, RGB>(leds, NUM_LEDS);

//  FastLED.addLeds<WS2801, RGB>(leds, NUM_LEDS);
//  FastLED.addLeds<SM16716, RGB>(leds, NUM_LEDS);
//  FastLED.addLeds<LPD8806, RGB>(leds, NUM_LEDS);
//  FastLED.addLeds<P9813, RGB>(leds, NUM_LEDS);
//  FastLED.addLeds<APA102, RGB>(leds, NUM_LEDS);
//  FastLED.addLeds<DOTSTAR, RGB>(leds, NUM_LEDS);

//  FastLED.addLeds<WS2801, DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS);
//  FastLED.addLeds<SM16716, DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS);
//  FastLED.addLeds<LPD8806, DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS);
//  FastLED.addLeds<P9813, DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS);
//  FastLED.addLeds<APA102, DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS);
//  FastLED.addLeds<DOTSTAR, DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS);
}


void handle_cmd(uint8_t cmd)
{
  switch(cmd) {
  case '0': fill_solid(leds, NUM_LEDS, CRGB::Black); FastLED.show(); led_off(); break;
  case '1': fill_solid(leds, NUM_LEDS, CRGB::White); FastLED.show(); led_on(); break;
  case 'r': fill_solid(leds, NUM_LEDS, CRGB::Red);   FastLED.show(); led_on(); break;
  case 'g': fill_solid(leds, NUM_LEDS, CRGB::Green); FastLED.show(); led_on(); break;
  case 'b': fill_solid(leds, NUM_LEDS, CRGB::Blue);  FastLED.show(); led_on(); break;
  case 'w': fill_rainbow(leds, NUM_LEDS, 0, 256/NUM_LEDS);  FastLED.show(); led_on(); break;
  case '!': reset2bootloader(); break;
  default: printf("error\r\n"); return;
  }
  printf("ok\r\n");
}

int main(void)
{
  MCUSR &= ~(1 << WDRF);
  wdt_disable();

  cpu_init();
  led_init();
  usbio_init();
  fastled_init();
  sei();

  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();
  }
}