p4 ken
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。
制作の過程はNotebookに書いています。
Diff: main.cpp
- Revision:
- 0:679fb5e8a0b4
- Child:
- 1:9f6c6dcdd8d7
diff -r 000000000000 -r 679fb5e8a0b4 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Sep 07 10:32:48 2016 +0000
@@ -0,0 +1,37 @@
+#include "mbed.h"
+
+DigitalOut RCK(PB_12);
+DigitalOut G(PB_1);
+DigitalOut SER(PC_6);
+DigitalOut CLK(PC_5);
+
+int main() {
+ SPI spi0(PB_15, PB_14, PB_13); //あ
+ spi0.format(8, 0);
+ spi0.frequency(100000000);
+ G = 0;
+ SER = 0; // 0=ON 1=OFF
+ CLK = 0;
+ CLK = 1;
+
+ int count = 0;
+ while(1) {
+ for(int i=0; i<20; i++){
+ switch(count){
+ case 0: spi0.write(0b00000001); break;
+ case 1: spi0.write(0b00000010); break;
+ case 2: spi0.write(0b00000100); break;
+ case 3: spi0.write(0b00001000); break;
+ case 4: spi0.write(0b00010000); break;
+ case 5: spi0.write(0b00100000); break;
+ case 6: spi0.write(0b01000000); break;
+ case 7: spi0.write(0b10000000); break;
+ }
+ }
+ RCK = 0;
+ RCK = 1;
+ if(count==7) count=-1;
+ count++;
+ wait(0.2);
+ }
+}