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。

Diff: main.cpp

Revision:
1:9f6c6dcdd8d7
Parent:
0:679fb5e8a0b4
Child:
2:75c7836a6ff4
--- a/main.cpp	Wed Sep 07 10:32:48 2016 +0000
+++ b/main.cpp	Thu Sep 08 13:52:26 2016 +0000
@@ -1,37 +1,34 @@
 #include "mbed.h"
 
-DigitalOut RCK(PB_12);
-DigitalOut G(PB_1);
-DigitalOut SER(PC_6);
-DigitalOut CLK(PC_5);
+DigitalOut RCK(PB_12);// 74HC595
+DigitalOut G(PB_1);   // 74HC595
+DigitalOut SER(PC_6); // 74HC164
+DigitalOut CLK(PC_5); // 74HC164
+unsigned char pattern[2][1] = 
+{{0b00000000},
+ {0b00000000}};
+char scan = 16; // 点灯中の行
 
 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;
+    SPI spi(PB_15, PB_14, PB_13);
+    spi.format(8, 0);
+    spi.frequency(100000000);
     
-    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;
-            }
+        scan++;
+        if(scan == 17) {
+            SER = 0; // 点灯
+            scan = 1;
+        } else {
+            SER = 1; // 消灯
         }
+        spi.write(pattern[0][0]);
+        
         RCK = 0;
+        CLK = 0;
+        G = 1; // 消灯
         RCK = 1;
-        if(count==7) count=-1;
-        count++;
-        wait(0.2);
+        CLK = 1;
+        G = 0; // 点灯
     }
 }