LPC812MAXでGPIOレジ直で遊ぶ(IN)

目的
GPIO_INのテスト

//GPIO_in_P0_7_test_812_1

#include "mbed.h"

//         TX    RX
Serial pc(P0_4, P0_0); //812

DigitalIn enable(P0_7);

//メイン関数
int main()
{

    int hex1[] = {
        '0','1','2','3','4','5','6','7',
        '8','9','A','B','C','D','E','F'
    };

    int x;

    //無限ループ
    while(1) {

        x = LPC_GPIO_PORT->PIN0;

        pc.putc( hex1[ (x>>4) &  0x0f ]  );
        pc.putc( hex1[ (x)    &  0x0f ]  );
        pc.putc( '\r' );
        pc.putc( '\n' );

        wait_ms(500);//0.5秒待つ

    }//while

}//main

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