shuzaburo mk / Mbed 2 deprecated 7seg_sample

7セグLEDの出力サンプルソース。

Dependencies:   mbed

main.cpp@0:a935ccd0e492, 2011-05-12 (annotated)

Committer:
syuzabu
Date:
Thu May 12 11:49:20 2011 +0000
Revision:
0:a935ccd0e492

        

        
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/*--------------------------------------------------------------





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/   7sed LED out sample





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--------------------------------------------------------------*/





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#include "mbed.h"





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// 7seg LED - a, b, c, d, e, f, g, DP - [port assined]





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BusOut ledX(p25, p24, p14, p13, p12, p27, p26, p15);    // 2digit





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BusOut ledY(p22, p21, p19, p17, p16, p23, p18, p20);    // 1digit





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// mbed LED





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BusOut mled(LED4, LED3, LED2, LED1);





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int main() {





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    // 7seg LED bit pattern -  Dgfe dcba     





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    const int n0 = 0x3F;    // 0011 1111





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    const int n1 = 0x06;    // 0000 0110





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    const int n2 = 0x5B;    // 0101 1011





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    const int n3 = 0x4F;    // 0100 1111





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    const int n4 = 0x66;    // 0110 0110





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    const int n5 = 0x6D;    // 0110 1101





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    const int n6 = 0x7D;    // 0111 1101





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    const int n7 = 0x07;    // 0000 0111





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    const int n8 = 0x7F;    // 0111 1111





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    const int n9 = 0x6F;    // 0110 1111





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    // convert: count -> 7seg number





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    const int nX[] = {n0, n1, n2, n3, n4, n5, n6, n7, n8, n9};





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    int nCntX = 0;          // 7seg LED counter





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    int nCntY = 0;          // mbed LED counter





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    // port init





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    ledX = ~0;





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    ledY = ~0;





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    mled = 0;





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    while(1) {





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        // 7seg LED count up





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        ledX = ~nX[nCntX / 10];





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        ledY = ~nX[nCntX % 10];        





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        nCntX++;





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        // 7seg LED limit count 99





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        if (100 == nCntX) {





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            nCntX = 0;





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            nCntY++;





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            // mled LED count up





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            mled = 0x0F & nCntY;





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        }





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        wait(0.1);





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    }





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}