testLED

#include <msp430.h>     //MSP430F2619TPM
/*
 * main.c
 */
// 端子設定 /////////////////////////////////////////////////////////
#define test_LED     0b00000001          // P1.0 test_LED
#define RED_LED      0b00000001          // P6.0 RED_LED
#define BUTTON       0b00000010          // P6.1 BUTTON
#define BLUE_LED     0b00010000          // P6.4 BLUE_LED
#define GREEN_LED    0b10000000          // P6.7 GREEN_LED


// 初期設定 /////////////////////////////////////////////////////////
void setup() {
    WDTCTL = WDTPW + WDTHOLD;    // Stop WathcDog Timer,
     SVSCTL &= ~SVSFG;           // 低電圧フラグを消去    Supply Voltage Supervisor
    SVSCTL = 0x60 + PORON;       // SVS POR enabled @ 2.5V  電圧低下検出．この電圧以下ではマイコンリセット．
    while(!(SVSCTL & SVSON));    // 電圧監視機能がONになるまで待機
    DCOCTL = 0;                  // Select lowest DCOx and MODx settings
    BCSCTL1 = CALBC1_8MHZ;       // Set RSELx
    DCOCTL = CALDCO_8MHZ;        // Set DCOx and MODx
    
    // 省力化のため、すべてのピンを初期化
    P1DIR = test_LED;            // P1.0;OUT, the others;IN
    P1REN = 0x00;                // P1 set to Pullup/Pulldown Disable
    P2DIR = 0x00;                // P2 set to INPUT for unused Port pins
    P2REN = 0x00;                // P2 set to Pullup/Pulldown Disable
    P3DIR = 0x00;                // P3 set to INPUT for unused Port pins
    P3REN = 0x00;                // P3 set to Pullup/Pulldown Disable
    P4DIR = 0x00;                // P4 set to INPUT for unused Port pins
    P4REN = 0x00;                // P4 set to Pullup/Pulldown Disable
    P5DIR = 0x00;                // P5 set to INPUT for unused Port pins
    P5REN = 0x00;                // P5 set to Pullup/Pulldown Disable
    P6DIR = RED_LED | BLUE_LED | GREEN_LED;     // P6.0, P6.4, P6.7;OUT, the others;IN
    P6REN = 0x00;                // P6 set to Pullup/Pulldown Disable
}

int main(void)
{
    setup();             // システム初期設定．これ以前には何も処理をしないこと
    int i = 0;           // 汎用計算変数
    P1OUT = test_LED;    // 初期設定
    P6OUT = GREEN_LED;   // 初期設定

    while(1){
        if((P6IN & BUTTON) == BUTTON){    //P6.1のButton は押すとHIGHが入力される
            if(i == 0){         P6OUT = RED_LED;   }
            else if(i == 1){   P6OUT = BLUE_LED;   }
            else if(i == 2){   P6OUT = GREEN_LED;   }

            i++;
            if(i == 3){i = 0;}
            while((P6IN & BUTTON) == BUTTON);  //ボタンが離されるのを待つ
        }
    }
}