p4 ken / Mbed 2 deprecated LED_Matrix_Japanese_Scroll

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。

main.cpp@2:75c7836a6ff4, 2016-09-19 (annotated)

Committer:
p4ken
Date:
Mon Sep 19 12:45:16 2016 +0000
Revision:
2:75c7836a6ff4
Parent:
1:9f6c6dcdd8d7
Child:
3:68075c4a9ab4
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
p4ken 0:679fb5e8a0b4 1 #include "mbed.h"
p4ken 0:679fb5e8a0b4 2
p4ken 1:9f6c6dcdd8d7 3 DigitalOut RCK(PB_12);// 74HC595
p4ken 1:9f6c6dcdd8d7 4 DigitalOut G(PB_1); // 74HC595
p4ken 1:9f6c6dcdd8d7 5 DigitalOut SER(PC_6); // 74HC164
p4ken 1:9f6c6dcdd8d7 6 DigitalOut CLK(PC_5); // 74HC164
p4ken 2:75c7836a6ff4 7 DigitalIn BUTTON(USER_BUTTON);
p4ken 2:75c7836a6ff4 8 Serial pc(USBTX, USBRX);
p4ken 2:75c7836a6ff4 9 Timer timer; // 経過時間デバッグ用
p4ken 2:75c7836a6ff4 10 unsigned char pattern[3][4] = // 奥緑右～左、奥赤右＝左・・・
p4ken 2:75c7836a6ff4 11 {{0b11111100, 0b11111111, 0b00011111, 0b11100000},
p4ken 2:75c7836a6ff4 12 {0b00000000, 0b00000000, 0b00000000, 0b00000000},
p4ken 2:75c7836a6ff4 13 {0b00000000, 0b00000000, 0b00000000, 0b00000000}};
p4ken 1:9f6c6dcdd8d7 14 char scan = 16; // 点灯中の行
p4ken 0:679fb5e8a0b4 15
p4ken 2:75c7836a6ff4 16 void receive() {
p4ken 2:75c7836a6ff4 17 if(pc.getc() == 0b00000001) pc.printf("received!\r\n");
p4ken 2:75c7836a6ff4 18 // pc.putc(pc.getc() + 1); // echo
p4ken 2:75c7836a6ff4 19 }
p4ken 2:75c7836a6ff4 20
p4ken 0:679fb5e8a0b4 21 int main() {
p4ken 1:9f6c6dcdd8d7 22 SPI spi(PB_15, PB_14, PB_13);
p4ken 1:9f6c6dcdd8d7 23 spi.format(8, 0);
p4ken 1:9f6c6dcdd8d7 24 spi.frequency(100000000);
p4ken 2:75c7836a6ff4 25 pc.attach(receive, Serial::RxIrq);
p4ken 2:75c7836a6ff4 26 timer.start(); // 経過時間デバッグ用
p4ken 0:679fb5e8a0b4 27
p4ken 0:679fb5e8a0b4 28 while(1) {
p4ken 2:75c7836a6ff4 29 timer.reset();
p4ken 1:9f6c6dcdd8d7 30 scan++;
p4ken 1:9f6c6dcdd8d7 31 if(scan == 17) {
p4ken 1:9f6c6dcdd8d7 32 SER = 0; // 点灯
p4ken 2:75c7836a6ff4 33 scan = 0;
p4ken 2:75c7836a6ff4 34 } else if(scan == 1) {
p4ken 1:9f6c6dcdd8d7 35 SER = 1; // 消灯
p4ken 0:679fb5e8a0b4 36 }
p4ken 1:9f6c6dcdd8d7 37 spi.write(pattern[0][0]);
p4ken 2:75c7836a6ff4 38 spi.write(pattern[0][1]);
p4ken 2:75c7836a6ff4 39 spi.write(pattern[0][2]);
p4ken 2:75c7836a6ff4 40 spi.write(pattern[0][3]);
p4ken 1:9f6c6dcdd8d7 41
p4ken 0:679fb5e8a0b4 42 RCK = 0;
p4ken 1:9f6c6dcdd8d7 43 CLK = 0;
p4ken 1:9f6c6dcdd8d7 44 G = 1; // 消灯
p4ken 0:679fb5e8a0b4 45 RCK = 1;
p4ken 1:9f6c6dcdd8d7 46 CLK = 1;
p4ken 2:75c7836a6ff4 47 if(BUTTON) G = 0; // 点灯
p4ken 2:75c7836a6ff4 48 while(timer.read_us()<100) {
p4ken 2:75c7836a6ff4 49 wait_us(10);
p4ken 2:75c7836a6ff4 50 }
p4ken 2:75c7836a6ff4 51 // pc.printf("%f\r\n", timer.read());
p4ken 0:679fb5e8a0b4 52 }
p4ken 0:679fb5e8a0b4 53 }