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@1:9f6c6dcdd8d7, 2016-09-08 (annotated)

Committer:
p4ken
Date:
Thu Sep 08 13:52:26 2016 +0000
Revision:
1:9f6c6dcdd8d7
Parent:
0:679fb5e8a0b4
Child:
2:75c7836a6ff4
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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 1:9f6c6dcdd8d7 7 unsigned char pattern[2][1] =
p4ken 1:9f6c6dcdd8d7 8 {{0b00000000},
p4ken 1:9f6c6dcdd8d7 9 {0b00000000}};
p4ken 1:9f6c6dcdd8d7 10 char scan = 16; // 点灯中の行
p4ken 0:679fb5e8a0b4 11
p4ken 0:679fb5e8a0b4 12 int main() {
p4ken 1:9f6c6dcdd8d7 13 SPI spi(PB_15, PB_14, PB_13);
p4ken 1:9f6c6dcdd8d7 14 spi.format(8, 0);
p4ken 1:9f6c6dcdd8d7 15 spi.frequency(100000000);
p4ken 0:679fb5e8a0b4 16
p4ken 0:679fb5e8a0b4 17 while(1) {
p4ken 1:9f6c6dcdd8d7 18 scan++;
p4ken 1:9f6c6dcdd8d7 19 if(scan == 17) {
p4ken 1:9f6c6dcdd8d7 20 SER = 0; // 点灯
p4ken 1:9f6c6dcdd8d7 21 scan = 1;
p4ken 1:9f6c6dcdd8d7 22 } else {
p4ken 1:9f6c6dcdd8d7 23 SER = 1; // 消灯
p4ken 0:679fb5e8a0b4 24 }
p4ken 1:9f6c6dcdd8d7 25 spi.write(pattern[0][0]);
p4ken 1:9f6c6dcdd8d7 26
p4ken 0:679fb5e8a0b4 27 RCK = 0;
p4ken 1:9f6c6dcdd8d7 28 CLK = 0;
p4ken 1:9f6c6dcdd8d7 29 G = 1; // 消灯
p4ken 0:679fb5e8a0b4 30 RCK = 1;
p4ken 1:9f6c6dcdd8d7 31 CLK = 1;
p4ken 1:9f6c6dcdd8d7 32 G = 0; // 点灯
p4ken 0:679fb5e8a0b4 33 }
p4ken 0:679fb5e8a0b4 34 }