control full color LED (EP204K-35G1R1B1-CA) with the Arduino compatible board GR-SAKURA (http://japan.renesas.com/products/promotion/gr/index.jsp).

gr_sketch.ino

/*
 * gr_sketch.ino
 * 
 * Created by FUKUBAYASHI Yuichiro on 2012/12/19
 * Copyright (c) 2012, FUKUBAYASHI Yuichiro
 *
 * last update: <2012/12/23 21:00:36>
 */
#include <rxduino.h>

#define INTERVAL 1000
#define PIN_5V PIN_P33
#define PIN_R PIN_P21
#define PIN_G PIN_P22
#define PIN_B PIN_P20

unsigned int PINS[] = {PIN_R, PIN_G, PIN_B};


void LED_OFF (){
    for(int i=0; i<3; i++){
        digitalWrite(PINS[i], HIGH);
    }
}

void RED_ON(){
    digitalWrite(PIN_R, LOW);
    digitalWrite(PIN_G, HIGH);
    digitalWrite(PIN_B, HIGH);
}

void YELLOW_ON(){
    digitalWrite(PIN_R, LOW);
    digitalWrite(PIN_G, LOW);
    digitalWrite(PIN_B, HIGH);
}

void PINK_ON(){
    digitalWrite(PIN_R, LOW);
    digitalWrite(PIN_G, HIGH);
    analogWrite(PIN_B, (int) 255*(100-14)/100);
}

void GREEN_ON(){
    digitalWrite(PIN_R, HIGH);
    digitalWrite(PIN_G, LOW);
    digitalWrite(PIN_B, HIGH);
}

void PURPLE_ON(){
    analogWrite(PIN_R, (int) 255*(100-61)/100);
    digitalWrite(PIN_G, HIGH);
    digitalWrite(PIN_B, LOW);
}

void WHITE_ON(){
    digitalWrite(PIN_R, LOW);
    digitalWrite(PIN_G, LOW);
    digitalWrite(PIN_B, LOW);
}

void setup()
{
    pinMode(PIN_R, OUTPUT);
    pinMode(PIN_G, OUTPUT);
    pinMode(PIN_B, OUTPUT);
    pinMode(PIN_5V, OUTPUT);
    digitalWrite(PIN_5V, HIGH);

}

void loop()
{
    RED_ON();
    delay(INTERVAL);
    LED_OFF();

    YELLOW_ON();
    delay(INTERVAL);
    LED_OFF();

    PINK_ON();
    delay(INTERVAL);
    LED_OFF();

    GREEN_ON();
    delay(INTERVAL);
    LED_OFF();

    PURPLE_ON();
    delay(INTERVAL);
    LED_OFF();

    WHITE_ON();
    delay(INTERVAL);
    LED_OFF();
}