LPC812MAXで3分タイマー (秋月シリアル7セグ)

x mbed2リビジョン144
x リビジョンの変更がわかる人むけ

目的
GPIOのテスト

// gpio_7seg_3min_812_1

#include "mbed.h"

//*******   ******   *****  *****
//     *         *   *      *
//    *         *    *****  *  ***
//  *       ****     *      *    *
//  *       *        *      *    *
//  *        *****   *****  *****


int kk;
#define oun_min() for(kk=0;kk<60;kk++){wait_ms(1000);}


#define swclk1  P0_16    //B 9
#define swdio1  P0_17    //G 8
#define en1     P0_7     //R 7


//GPIOの初期化
DigitalOut swdclk(swclk1);
DigitalOut swdio(swdio1);
DigitalOut en(en1);

char seg[32] = {
    0x00,  //0 @ -> ' '
    0x77,  //1 A  o
    0x7c,  //2 B     　combined use "6"
    0x39,  //3 C
    0x5e,  //4 D
    0x79,  //5 E  o
    0x71,  //6 F
    0x3d,  //7 G

    0x76,  //8 H  o
    0x06,  //9 I    　combined use "1"
    0x1e,  //10 J
    0x75,  //11 K
    0x38,  //12 L  o
    0x15,  //13 M
    0x37,  //14 N  o
    0x3f,  //15 O  o　combined use "0"

    0x73,   //16 P
    0x67,   //17 Q　combined use "9"
    0x50,   //18 R
    0x6d,   //19 S　combined use "5"
    0x78,   //20 T
    0x3e,   //21 U
    0x1c,   //22 V
    0x2a,   //23 W  o
    0x64,   //24 X

    0x6e,   //25 Y
    0x5b,   //26 Z　combined use "2"
    0x4f,   //27 [  --> "3"
    0x66,   //28 \  --> "4"
    0x27,   //29 ]  --> "7"
    0x7f,   //26 ^  --> "8"
    0x08    //31 _
};


void seg1(char v)
{
    for(int jj=0; jj<8; jj++) {
        if( (v<<jj) & 0x80 ) {
            swdio=1; //ビットが1
        } else {
            swdio=0; //ビットが0
        }//endif
        swdclk=1;
        swdclk=0; //clk
    }//for
    en=1;
    en=0;
}//seg1


char nn[]= {'O','I','Z','[','\\','S','B', ']','^','Q'};

int comma1=0; // コンマ(小数点)の有効フラグ　1で有効　0無効

//7segの一文字出力 nana_seg
int ns_putc(char ch)
{

    if(ch == ' ') {
        ch = '@';
    } else if(ch == '.') {
        return(0);
    } else if (ch >= '0' && ch <= '9' ) {
        ch = nn[ch-'0'];
    }

    if( comma1 != 0 ) {
        comma1 = (0x80);
    }
    seg1(seg[ch-64] | comma1  );
    comma1 = 0;

    //戻り値
    return(0);
}//ns_putc

//文字列の表示 nana_seg
int ns_printf(char *str1)
{

    //文字の中身がゼロか
    while(*str1) {

        //コンマの処理
        comma1=0;
        if( (*(str1+1) ) == '.' ) {
            comma1=1;
        }

        //一文字出力
        ns_putc(*str1 ++);

    } //while

    //戻り値
    return(0);
}//ns_printf


//メイン関数
int main()
{

    //7セグの初期化
    en=0;
    swdclk=0;
    swdio=0;
    wait_ms(200); //debug

    ns_printf( (char *)"STAR");
    wait_ms(700); //debug

    //3分をカウント
    ns_printf( (char *)"   0." );
    oun_min()
    ns_printf( (char *)"   1." );
    oun_min()
    ns_printf( (char *)"   2." );
    oun_min()
    ns_printf( (char *)"   3." );

    while(1) {} //無限ループ

}//main

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