Chi rashi
Aliexpressなどで販売されている64x32のフルカラードットマトリクスLED2枚とNucleo F401REを利用して、 E233系の駅停車時、路線名表示ありのLED側面行先表示を再現するプログラムです。 3秒間隔、3段階切替で、路線名、種別、行先、次停車駅を個別に指定することが可能です。
Dependencies: SDFileSystem mbed
Diff: main.cpp
- Revision:
- 4:245f17936b1a
- Parent:
- 3:6dbbc0130e96
- Child:
- 5:532937f20397
diff -r 6dbbc0130e96 -r 245f17936b1a main.cpp
--- a/main.cpp Sun Oct 19 11:16:58 2014 +0000
+++ b/main.cpp Sun Oct 19 16:20:02 2014 +0000
@@ -35,6 +35,27 @@
unsigned char gm[32][6]; // Buffer with 32x6 bytes. Graphics memory if you like.
unsigned long CT; // Counter for demo code
+const int LEDBuffer [16][32] = {
+ {0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,2,0,0,0,0,0,2,0,0},
+ {0,0,0,2,0,0,2,0,0,2,2,2,2,0,2,2,2,0,0,0,2,0,0,2,0,0,0,0,0,2,0,0},
+ {0,0,2,2,2,2,2,0,0,2,0,2,0,0,2,0,2,0,0,0,2,2,2,2,2,2,0,2,2,2,2,2},
+ {0,0,2,0,0,0,2,0,0,2,0,2,0,0,2,0,2,0,0,0,2,0,0,0,0,0,0,0,0,2,0,0},
+ {0,2,2,0,0,0,2,0,0,2,2,2,2,0,2,0,2,0,0,2,0,0,2,2,2,0,0,2,2,2,2,2},
+ {0,0,0,2,0,2,0,0,0,2,0,2,0,0,2,0,2,0,0,2,0,0,2,0,2,0,0,2,0,2,0,2},
+ {0,0,0,0,2,0,0,0,0,2,0,2,0,0,2,2,2,0,2,2,0,0,2,2,2,0,0,2,0,2,0,2},
+ {0,0,0,2,2,0,0,0,0,2,2,2,2,0,2,2,0,0,0,2,0,0,0,0,0,0,0,2,2,2,2,2},
+ {0,0,2,0,0,2,0,0,0,2,0,2,0,0,2,2,0,0,0,2,0,2,2,2,2,2,0,2,0,2,0,2},
+ {0,2,0,0,0,0,2,0,0,2,0,2,0,0,2,2,0,0,0,2,0,2,0,0,0,2,0,2,0,2,0,2},
+ {2,2,2,2,2,2,2,2,0,2,2,2,2,0,2,2,0,0,0,2,0,0,0,0,0,0,0,2,2,2,2,2},
+ {0,2,0,0,0,0,2,0,0,0,0,0,2,0,2,0,2,0,0,2,0,0,2,2,2,0,0,0,0,2,0,0},
+ {0,2,0,0,0,0,2,0,0,0,0,0,2,0,2,0,2,0,0,2,0,0,0,2,0,0,2,2,2,2,2,2},
+ {0,2,0,0,0,0,2,0,2,2,2,0,2,0,2,0,2,0,0,2,0,0,0,2,0,0,0,0,0,2,0,0},
+ {0,2,2,2,2,2,2,0,0,0,0,0,2,0,2,0,2,0,0,2,0,0,0,2,0,0,0,0,0,2,0,0},
+ {0,2,0,0,0,0,2,0,0,0,0,2,2,0,2,0,2,0,0,2,0,0,2,2,0,0,0,0,0,2,0,0}
+ };
+
+
+
void MkPattern() // Fill graphics buffer with colorful test pattern.
{
unsigned int col,r,g,b;
@@ -97,12 +118,80 @@
// Write specified row (and row+8) to display. Valid input: 0 to 7.
ABC = 7-Row; // Set row address
for(int col=0; col<32; col++) { // To daisychain more displays, I guess you would have to increase this counter to n*32 columns. Might mirror though.
- R1 = gm[col][0] & (1<<Row); // Red bit, upper half
- G1 = gm[col][1] & (1<<Row); // Green bit, upper half
- B1 = gm[col][2] & (1<<Row); // Blue bit, upper half
- R2 = gm[col][3] & (1<<Row); // Red bit, lower half
- G2 = gm[col][4] & (1<<Row); // Green bit, lower half
- B2 = gm[col][5] & (1<<Row); // Blue bit, lower half
+ //R1 = gm[col][0] & (1<<Row); // Red bit, upper half
+ //G1 = gm[col][1] & (1<<Row); // Green bit, upper half
+ //B1 = gm[col][2] & (1<<Row); // Blue bit, upper half
+ //R2 = gm[col][3] & (1<<Row); // Red bit, lower half
+ //G2 = gm[col][4] & (1<<Row); // Green bit, lower half
+ //B2 = gm[col][5] & (1<<Row); // Blue bit, lower half
+
+
+ if (LEDBuffer [(7-Row)][col] == 2){
+ R1 = 1;
+ G1 = 1;
+ B1 = 0;
+ }else{
+ R1 = 0;
+ G1 = 0;
+ B1 = 0;
+ }
+
+ if (LEDBuffer [(15-Row)][col] == 2){
+ R2 = 1;
+ G2 = 0;
+ B2 = 0;
+ }else{
+ R2 = 0;
+ G2 = 0;
+ B2 = 0;
+ }
+
+
+
+
+ CLK = HIGH; // tick (clock bit in)
+ CLK = LOW; // tock
+ }
+ LAT = HIGH; // Latch entire row
+ LAT = LOW;
+}
+
+void WrRow2(unsigned char Row)
+{
+ // Write specified row (and row+8) to display. Valid input: 0 to 7.
+ ABC = 7-Row; // Set row address
+ for(int col=0; col<32; col++) { // To daisychain more displays, I guess you would have to increase this counter to n*32 columns. Might mirror though.
+ //R1 = gm[col][0] & (1<<Row); // Red bit, upper half
+ //G1 = gm[col][1] & (1<<Row); // Green bit, upper half
+ //B1 = gm[col][2] & (1<<Row); // Blue bit, upper half
+ //R2 = gm[col][3] & (1<<Row); // Red bit, lower half
+ //G2 = gm[col][4] & (1<<Row); // Green bit, lower half
+ //B2 = gm[col][5] & (1<<Row); // Blue bit, lower half
+
+
+ if (LEDBuffer [(7-Row)][col] == 2){
+ R1 = 1;
+ G1 = 1;
+ B1 = 1;
+ }else{
+ R1 = 0;
+ G1 = 0;
+ B1 = 0;
+ }
+
+ if (LEDBuffer [(15-Row)][col] == 2){
+ R2 = 1;
+ G2 = 0;
+ B2 = 1;
+ }else{
+ R2 = 0;
+ G2 = 0;
+ B2 = 0;
+ }
+
+
+
+
CLK = HIGH; // tick (clock bit in)
CLK = LOW; // tock
}
@@ -150,8 +239,29 @@
for(int Row=0; Row<8; Row++) {
OE = HIGH; // Disable output
WrRow(Row);
+ //WrRow2(Row);
OE = LOW; // Enable output
- wait_us(500); // Wasting some time. Use for whatever else. Probably better with a ticker for the display refresh.
+
+ wait_us(25); // Wasting some time. Use for whatever else. Probably better with a ticker for the display refresh.
+ }
+
+
+
+
+
+
+}
+
+void Paint2()
+{
+ // Write graphics memory to display
+ for(int Row=0; Row<8; Row++) {
+ OE = HIGH; // Disable output
+ //WrRow(Row);
+ WrRow2(Row);
+ OE = LOW; // Enable output
+
+ wait_us(25); // Wasting some time. Use for whatever else. Probably better with a ticker for the display refresh.
}
}
@@ -163,7 +273,7 @@
OE = HIGH; // Disable output
WrRowOFF(Row);
OE = LOW; // Enable output
- wait_us(500); // Wasting some time. Use for whatever else. Probably better with a ticker for the display refresh.
+ wait_us(50); // Wasting some time. Use for whatever else. Probably better with a ticker for the display refresh.
}
}
@@ -175,39 +285,42 @@
while(1) { // Messy demo loop following...
CT++;
- if((CT<=2560)||(CT>=2880 && CT<=4160)) {
- Paint(); // Refresh display
- if((CT % 20)==0) ShiftRight(); // After every 20 refresh, do a ShiftRight
- }
+ Paint(); // Refresh display
+ Paint2(); // Refresh display
+
+ //if((CT<=2560)||(CT>=2880 && CT<=4160)) {
+ // Paint(); // Refresh display
+ // if((CT % 20)==0) ShiftRight(); // After every 20 refresh, do a ShiftRight
+ //}
- if(CT==2560) {
- for(int c=0; c<8; c++) {
- for(int x=c; x<(31-c); x++) {// Top side
- Pset(x,c,c);
- Paint(); // Display refresh time sets loop duration.
- }
- for(int y=c; y<(15-c); y++) {// Right side
- Pset(31-c,y,c);
- Paint();
- }
- for(int x=(31-c); x>=c; x--) {// Bottom side
- Pset(x,(15-c),c);
- Paint();
- }
- for(int y=(15-c); y>=c; y--) { // Left side
- Pset(c,y,c);
- Paint();
- }
- }
- }
+ //if(CT==2560) {
+ // for(int c=0; c<8; c++) {
+ // for(int x=c; x<(31-c); x++) {// Top side
+ // Pset(x,c,c);
+ // Paint(); // Display refresh time sets loop duration.
+ // }
+ // for(int y=c; y<(15-c); y++) {// Right side
+ // Pset(31-c,y,c);
+ // Paint();
+ // }
+ // for(int x=(31-c); x>=c; x--) {// Bottom side
+ // Pset(x,(15-c),c);
+ // Paint();
+ // }
+ // for(int y=(15-c); y>=c; y--) { // Left side
+ // Pset(c,y,c);
+ // Paint();
+ // }
+ // }
+ //}
if(CT>4160) {
- MkPattern(); // Restore original priceless artwork
+ //MkPattern(); // Restore original priceless artwork
CT=0; // Start all over.
}
- PaintOFF();
- wait_us(100);
+ //PaintOFF();
+ //wait_us(160);
}
}