File content as of revision 29:eb77dcbcd1e3:

#include "mbed.h"

//DigitalOut led2(LED2);
DigitalOut RCK(PB_12);// 74595
DigitalOut G(PB_1);   // 74595
DigitalOut SER(PC_6); // 74164
DigitalOut CLK(PC_5); // 74164
DigitalIn BUTTON(USER_BUTTON); // 点灯・消灯ボタン
//Serial pc(USBTX, USBRX); // USBシリアル通信
//Timer timer; // 経過時間のカウンター

// 点灯パターン 手前赤、手前緑...
unsigned short pattern[2][16][32*11/16] =
{
// 849空きあり
{{0,0,0,0,0,0,0,0,0,0,0,0,0,32896,0,0,0,0,0,0,0,0},
 {0,0,0,0,0,0,61440,768,0,3072,63488,256,0,32896,0,24672,0,8224,0,2056,1028,0},
 {0,0,0,0,0,0,6144,1536,0,3584,3072,768,0,65535,32639,16448,3084,16448,0,4112,2056,0},
 {0,0,0,0,0,0,3072,3072,0,3840,1536,1536,0,8481,16962,50372,771,16448,1542,4112,2056,0},
 {0,0,0,0,0,0,3072,35840,33024,3328,1536,1536,0,8481,8738,30840,0,58082,257,4112,2056,0},
 {0,0,0,0,0,0,3072,35840,33024,3072,1536,1536,0,4112,8738,32896,6168,15420,0,2056,2056,0},
 {0,0,0,0,0,0,6144,1536,49152,3072,1536,1536,0,3084,15420,514,1799,8224,0,2056,2056,0},
 {0,0,0,0,0,0,61440,768,16384,3072,1536,1536,0,771,0,64764,257,41120,1799,10280,2056,0},
 {0,0,0,0,0,0,6144,1536,24576,3072,1536,1536,0,0,4112,0,514,28784,2570,10280,2056,0},
 {0,0,0,0,0,0,3072,3072,8192,3072,3072,1792,0,64764,7967,0,1028,10280,4626,4112,2056,0},
 {0,0,0,0,0,0,3072,35840,12544,3072,63488,1536,0,32896,0,57568,2827,9252,8481,4112,2056,0},
 {0,0,0,0,0,0,3072,35840,61696,16128,0,1536,0,32896,0,6168,3084,17476,8481,0,1028,0},
 {0,0,0,0,0,0,3072,3072,0,3072,1536,1536,0,32896,0,1028,0,49858,8224,0,1028,0},
 {0,0,0,0,0,0,6144,1536,0,3072,3072,768,0,32896,16448,1028,0,25186,8224,0,514,0},
 {0,0,0,0,0,0,61440,768,0,16128,63488,256,0,65535,32639,6168,0,7196,6168,32896,257,0},
 {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,57568,3855,0,1799,24672,0,0}},
// 849満員
{{0,0,0,0,0,0,0,0,0,0,0,0,0,0,130,8,0,0,252,31,0,0},
 {0,0,0,0,0,0,61440,768,0,3072,63488,256,0,0,132,40,0,0,4,16,0,0},
 {0,0,0,0,0,0,6144,1536,0,3584,3072,768,0,0,232,63,0,0,4,16,0,0},
 {0,0,0,0,0,0,3072,3072,0,3840,1536,1536,0,0,128,8,0,0,252,31,0,0},
 {0,0,0,0,0,0,3072,35840,33024,3328,1536,1536,0,0,129,72,0,0,0,0,0,0},
 {0,0,0,0,0,0,3072,35840,33024,3072,1536,1536,0,0,250,127,0,0,254,63,0,0},
 {0,0,0,0,0,0,6144,1536,49152,3072,1536,1536,0,0,8,2,0,0,2,32,0,0},
 {0,0,0,0,0,0,61440,768,16384,3072,1536,1536,0,0,4,34,0,0,254,63,0,0},
 {0,0,0,0,0,0,6144,1536,24576,3072,1536,1536,0,0,228,127,0,0,2,32,0,0},
 {0,0,0,0,0,0,3072,3072,8192,3072,3072,1792,0,0,34,34,0,0,254,63,0,0},
 {0,0,0,0,0,0,3072,35840,12544,3072,63488,1536,0,0,163,42,0,0,2,32,0,0},
 {0,0,0,0,0,0,3072,35840,61696,16128,0,1536,0,0,162,42,0,0,2,32,0,0},
 {0,0,0,0,0,0,3072,3072,0,3072,1536,1536,0,0,162,42,0,0,254,63,0,0},
 {0,0,0,0,0,0,6144,1536,0,3072,3072,768,0,0,162,47,0,0,16,4,0,0},
 {0,0,0,0,0,0,61440,768,0,16128,63488,256,0,0,34,32,0,0,12,56,0,0},
 {0,0,0,0,0,0,0,0,0,0,0,0,0,0,34,56,0,0,3,64,0,0}}
};




char scan = 16; // 点灯中の行
int round = 0; // スキャンを何周したか
int scroll = 0; // 左スクロールした量

//void receive() { // シリアル受信割り込み
//    if(pc.getc() == 0b00000001) pc.printf("received!\r\n");
//    pc.putc(pc.getc() + 1); // echo
//}

int main() {
    SPI spi(PB_15, PB_14, PB_13); // SPIピンを指定
    spi.format(16, 0); // 74595へ？ビットずつ送る
    spi.frequency(1*1000*1000); // 74595へのクロック周波数 最高96 初期1
//    pc.attach(receive, Serial::RxIrq); // シリアル受信割り込み
//    pc.baud(9600); // シリアル通信のクロックレート デフォルト9600
//    timer.start(); // 経過時間のカウントを開始
    
    while(1) {
//        timer.reset(); // 経過時間0秒
        
        // 行選択
        scan++; // 一行進む
        if(scan == 17){ // 16行目の次
            scan = 1; // 1行目に戻る
            SER = 0; // 点灯
            round++; // スキャンが1周した
        } else if(scan == 2) { // 2行目
            SER = 1; // 消灯
        }
        
        // 表示パターン送り込み
//        for(int i=0; i<2*11; i++){
//            spi.write(0b0000000000000000);
//        }
//        RCK = 0;
//        RCK = 1;
    
        for(int i=0; i<32*11/16; i++){ // iは最大で32*11文字/bit数
            if(round < 500) { 
                spi.write(pattern[0][scan-1][32*11/16-1-i%(32*11/16)]);
//            } else if(round < 1000) {
//                spi.write(pattern[1][scan-1][32*11/16-1-i%(32*11/16)]);
            } else {
                spi.write(pattern[1][scan-1][32*11/16-1-i%(32*11/16)]);
            }
        }
        
        // スクロール
        if(round > 1500) { // スクロール速度
            scroll++; // 1ドットスクロールする
            round = 0; // スキャン周回カウントリセット
        }
        if(scroll > 32) { // スクロール幅
            scroll = 0; // スクロール数リセット
        }
        
        G = 1; // 消灯
        RCK = 0;
        CLK = 0;
        RCK = 1;
        CLK = 1;
        
        // ここまでの処理時間が長いほど明るくなる
//        while(timer.read_us()<0) { // 数字のぶんだけ暗くする
//            wait_us(10);
//        }

        G = !BUTTON; // ボタン押すと!点灯
        
        // ダイナミック点灯のパルス幅を決める
//        while(timer.read_us()<100) { // 100*2500でゆっくり
//            wait_us(10);
//        }
//        pc.printf("%d\r\n", timer.read_us());
//        pc.printf("%d\r\n", round/100);
    }
}