LT-5016M1を74HC595で制御します。文字スクロールなどの参考にどうぞ。

Dependencies:   mbed

制作の過程はNotebookに書いています。

Committer:
p4ken
Date:
Sat Nov 05 08:28:00 2016 +0000
Revision:
27:c49fd2b1279a
Parent:
26:a370873304d9
Child:
28:4b4682ad3b17
????8bit??

Who changed what in which revision?

UserRevisionLine numberNew contents of line
p4ken 0:679fb5e8a0b4 1 #include "mbed.h"
p4ken 0:679fb5e8a0b4 2
p4ken 13:83c703e6e843 3 DigitalOut RCK(PB_12);// 74595
p4ken 13:83c703e6e843 4 DigitalOut G(PB_1); // 74595
p4ken 13:83c703e6e843 5 DigitalOut SER(PC_6); // 74164
p4ken 13:83c703e6e843 6 DigitalOut CLK(PC_5); // 74164
p4ken 21:bbb751c5d846 7 DigitalIn BUTTON(USER_BUTTON); // 点灯・消灯ボタン
p4ken 21:bbb751c5d846 8 Serial pc(USBTX, USBRX); // USBシリアル通信
p4ken 21:bbb751c5d846 9 Timer timer; // 経過時間のカウンター
p4ken 16:cd36324730ad 10
p4ken 16:cd36324730ad 11 // 点灯パターン 手前赤、手前緑...
p4ken 27:c49fd2b1279a 12 unsigned char pattern1[16][4*11] = // 急行13:05やや混雑
p4ken 27:c49fd2b1279a 13 {{0,0,16,0,0,0,8,0,32,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,64,0,0,64,64,0,0,2,2,32,32,8,8,18,18,0,0},
p4ken 27:c49fd2b1279a 14 {0,0,240,0,7,0,200,0,63,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,128,128,0,0,128,128,0,0,228,228,63,63,8,8,18,18,0,0},
p4ken 27:c49fd2b1279a 15 {0,0,8,0,2,0,4,0,0,0,0,0,192,192,192,192,1,1,128,128,225,225,15,15,0,0,12,12,1,1,12,12,1,1,40,40,32,32,31,31,73,73,0,0},
p4ken 27:c49fd2b1279a 16 {0,0,4,0,17,0,18,0,0,0,0,0,160,160,32,32,2,2,64,64,34,34,0,0,0,0,8,8,0,0,8,8,0,0,32,32,32,32,20,20,127,127,0,0},
p4ken 27:c49fd2b1279a 17 {0,0,254,0,63,0,17,0,0,0,0,0,128,128,16,16,4,4,32,32,36,36,0,0,0,0,136,136,31,31,136,136,31,31,225,225,63,63,148,148,9,9,0,0},
p4ken 27:c49fd2b1279a 18 {0,0,1,0,16,0,8,0,64,0,0,0,128,128,0,0,4,4,32,32,36,36,0,0,0,0,112,112,32,32,112,112,32,32,42,42,32,32,82,82,9,9,0,0},
p4ken 27:c49fd2b1279a 19 {0,0,0,0,16,0,232,0,127,0,0,0,128,128,0,0,132,132,33,33,164,164,3,3,0,0,24,24,64,64,24,24,64,64,40,40,32,32,113,113,73,73,0,0},
p4ken 27:c49fd2b1279a 20 {0,0,252,0,31,0,4,0,8,0,0,0,128,128,0,0,130,130,33,33,100,100,4,4,0,0,21,21,64,64,21,21,64,64,228,228,63,63,8,8,127,127,0,0},
p4ken 27:c49fd2b1279a 21 {0,0,0,0,16,0,4,0,8,0,0,0,128,128,128,128,1,1,32,32,4,4,8,8,0,0,35,35,64,64,35,35,64,64,4,4,0,0,8,8,9,9,0,0},
p4ken 27:c49fd2b1279a 22 {0,0,0,0,16,0,6,0,8,0,0,0,128,128,0,0,2,2,32,32,4,4,8,8,0,0,32,32,49,49,32,32,49,49,34,34,4,4,127,127,9,9,0,0},
p4ken 27:c49fd2b1279a 23 {0,0,252,0,31,0,5,0,8,0,0,0,128,128,0,0,4,4,32,32,4,4,8,8,0,0,64,64,14,14,64,64,14,14,35,35,36,36,8,8,73,73,0,0},
p4ken 27:c49fd2b1279a 24 {0,0,128,0,16,0,4,0,8,0,0,0,128,128,0,0,4,4,32,32,4,4,8,8,0,0,64,64,0,0,64,64,0,0,226,226,21,21,28,28,127,127,0,0},
p4ken 27:c49fd2b1279a 25 {0,0,36,0,33,0,4,0,8,0,0,0,128,128,16,16,132,132,33,33,36,36,8,8,0,0,128,128,0,0,128,128,0,0,34,34,12,12,42,42,9,9,0,0},
p4ken 27:c49fd2b1279a 26 {0,0,36,0,73,0,4,0,8,0,0,0,128,128,32,32,130,130,65,65,66,66,4,4,0,0,128,128,0,0,128,128,0,0,34,34,68,68,74,74,9,9,0,0},
p4ken 27:c49fd2b1279a 27 {0,0,34,0,72,0,4,0,8,0,0,0,224,224,195,195,1,1,128,128,129,129,3,3,0,0,0,0,1,1,0,0,1,1,226,226,69,69,9,9,73,73,0,0},
p4ken 27:c49fd2b1279a 28 {0,0,193,0,15,0,4,0,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,1,1,58,58,120,120,8,8,127,127,0,0}};
p4ken 19:7ba73bd55ca5 29
p4ken 1:9f6c6dcdd8d7 30 char scan = 16; // 点灯中の行
p4ken 6:f72e87d03ab0 31 int round = 0; // スキャンを何周したか
p4ken 3:68075c4a9ab4 32 int scroll = 0; // 左スクロールした量
p4ken 0:679fb5e8a0b4 33
p4ken 21:bbb751c5d846 34 void receive() { // シリアル受信割り込み
p4ken 2:75c7836a6ff4 35 if(pc.getc() == 0b00000001) pc.printf("received!\r\n");
p4ken 2:75c7836a6ff4 36 // pc.putc(pc.getc() + 1); // echo
p4ken 2:75c7836a6ff4 37 }
p4ken 2:75c7836a6ff4 38
p4ken 0:679fb5e8a0b4 39 int main() {
p4ken 21:bbb751c5d846 40 SPI spi(PB_15, PB_14, PB_13); // SPIピンを指定
p4ken 13:83c703e6e843 41 spi.format(8, 0); // 74595へ8ビットずつ送る
p4ken 27:c49fd2b1279a 42 spi.frequency(10*1000*1000); // 74595へのクロック周波数 最高96 初期1
p4ken 21:bbb751c5d846 43 pc.attach(receive, Serial::RxIrq); // シリアル受信割り込み
p4ken 21:bbb751c5d846 44 pc.baud(9600); // シリアル通信のクロックレート デフォルト9600
p4ken 21:bbb751c5d846 45 timer.start(); // 経過時間のカウントを開始
p4ken 0:679fb5e8a0b4 46
p4ken 0:679fb5e8a0b4 47 while(1) {
p4ken 21:bbb751c5d846 48 timer.reset(); // 経過時間0秒
p4ken 9:4efad95ffa53 49
p4ken 9:4efad95ffa53 50 // 行選択
p4ken 9:4efad95ffa53 51 scan++; // 一行進む
p4ken 26:a370873304d9 52 if(scan == 17+17) { // 16行目の次
p4ken 1:9f6c6dcdd8d7 53 SER = 0; // 点灯
p4ken 9:4efad95ffa53 54 scan = 1; // 1行目に戻る
p4ken 9:4efad95ffa53 55 round++; // スキャンが1周した
p4ken 9:4efad95ffa53 56 } else if(scan == 2) { // 2行目
p4ken 1:9f6c6dcdd8d7 57 SER = 1; // 消灯
p4ken 0:679fb5e8a0b4 58 }
p4ken 9:4efad95ffa53 59
p4ken 9:4efad95ffa53 60 // 表示パターン送り込み
p4ken 27:c49fd2b1279a 61 for(int i=0; i<4*11; i++){ // iは最大で4*11文字
p4ken 26:a370873304d9 62 // if(round < 500) {
p4ken 26:a370873304d9 63 // spi.write(pattern1[scan-1][8-1-i%8]);
p4ken 26:a370873304d9 64 // } else if(round < 1000) {
p4ken 27:c49fd2b1279a 65 spi.write(pattern1[scan-1][4*11-1-i%(4*11)]);
p4ken 26:a370873304d9 66 // } else {
p4ken 26:a370873304d9 67 // spi.write(pattern3[scan-1][8-1-i%8]);
p4ken 26:a370873304d9 68 // }
p4ken 24:5c85cd80f5fa 69 //spi.write(0b11111111);
p4ken 6:f72e87d03ab0 70 }
p4ken 9:4efad95ffa53 71
p4ken 9:4efad95ffa53 72 // スクロール
p4ken 24:5c85cd80f5fa 73 if(round > 1500) { // スクロール速度
p4ken 6:f72e87d03ab0 74 scroll++; // 1ドットスクロールする
p4ken 6:f72e87d03ab0 75 round = 0; // スキャン周回カウントリセット
p4ken 6:f72e87d03ab0 76 }
p4ken 7:d9681a6487d4 77 if(scroll > 32) { // スクロール幅
p4ken 6:f72e87d03ab0 78 scroll = 0; // スクロール数リセット
p4ken 5:95590a89eb9f 79 }
p4ken 1:9f6c6dcdd8d7 80
p4ken 0:679fb5e8a0b4 81 RCK = 0;
p4ken 1:9f6c6dcdd8d7 82 CLK = 0;
p4ken 1:9f6c6dcdd8d7 83 G = 1; // 消灯
p4ken 0:679fb5e8a0b4 84 RCK = 1;
p4ken 1:9f6c6dcdd8d7 85 CLK = 1;
p4ken 8:496a1ba31a68 86
p4ken 8:496a1ba31a68 87 // ここまでの処理時間が長いほど明るくなる
p4ken 27:c49fd2b1279a 88 // while(timer.read_us()<0) { // 数字のぶんだけ暗くする
p4ken 27:c49fd2b1279a 89 // wait_us(10);
p4ken 27:c49fd2b1279a 90 // }
p4ken 24:5c85cd80f5fa 91 G = !BUTTON; // ボタン押すと!点灯
p4ken 8:496a1ba31a68 92
p4ken 8:496a1ba31a68 93 // ダイナミック点灯のパルス幅を決める
p4ken 27:c49fd2b1279a 94 // while(timer.read_us()<100) { // 100*2500でゆっくり
p4ken 27:c49fd2b1279a 95 // wait_us(10);
p4ken 27:c49fd2b1279a 96 // }
p4ken 15:5cec652070ca 97 // pc.printf("%d\r\n", timer.read_us());
p4ken 15:5cec652070ca 98 // pc.printf("%d\r\n", round/100);
p4ken 0:679fb5e8a0b4 99 }
p4ken 0:679fb5e8a0b4 100 }