David Rimer
A demo for Adafruit 64x32 demo with PWM
Dependencies: mbed-rtos BufferedSerial Adafruit_GFX_MBED LedMatrix-PWM FastIO mbed-dev
Revision 4:3e25a10c202c, committed 2017-10-24
- Comitter:
- davidr99
- Date:
- Tue Oct 24 03:02:51 2017 +0000
- Parent:
- 3:d83b9737e764
- Commit message:
- Changed to be a faster interrupt and use less time to update display
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/BufferedSerial.lib Tue Oct 24 03:02:51 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/sam_grove/code/BufferedSerial/#a0d37088b405
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/FastIO.lib Tue Oct 24 03:02:51 2017 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/davidr99/code/FastIO/#929068181dea
--- a/LedMatrix-PWM.lib Wed Oct 11 00:38:39 2017 +0000 +++ b/LedMatrix-PWM.lib Tue Oct 24 03:02:51 2017 +0000 @@ -1,1 +1,1 @@ -https://os.mbed.com/users/davidr99/code/LedMatrix-PWM/#cdc5e3a73147 +https://os.mbed.com/users/davidr99/code/LedMatrix-PWM/#99abd7449a45
--- a/main.cpp Wed Oct 11 00:38:39 2017 +0000
+++ b/main.cpp Tue Oct 24 03:02:51 2017 +0000
@@ -6,6 +6,9 @@
#include "mbed.h"
#include "rtos.h"
#include "LedMatrix.h"
+#include "BufferedSerial.h"
+
+BufferedSerial pc(USBTX, USBRX, 1024); // tx, rx
LedMatrix matrix;
@@ -14,13 +17,123 @@
matrix.Paint();
}
+int getNextByte()
+{
+ char value = 0;
+
+ while(pc.readable() == 0);
+ value = pc.getc();
+ return value;
+}
+
int main()
{
Ticker ticker;
- ticker.attach(PaintThread, 0.003);
+ matrix.Init();
+
+ pc.baud(460800);
+
+ #if defined(TARGET_STM32F767ZI)
+ ticker.attach_us(PaintThread, 15);
+ #elif defined(TARGET_STM32F303K8)
+ ticker.attach_us(PaintThread, 25);
+ #endif
+
+ uint16_t currentX = 0, currentY = 0;
while(1) {
+
+ /*
+ int c = getNextByte(); // Read byte from master
+
+ switch (c)
+ {
+ case 'L': // Location
+ currentX = (getNextByte() << 8) + getNextByte();
+ currentY = (getNextByte() << 8) + getNextByte();
+ pc.printf("X: %d, Y: %d\n", currentX, currentY);
+ break;
+
+ case 'G': // Set background
+ {
+ uint16_t c = getNextByte() | (getNextByte() << 8);
+
+ for(int y=0;y<HEIGHT;y++)
+ {
+ for(int x=0;x<WIDTH;x++)
+ {
+ matrix.drawPixel(x, y, c);
+ }
+ }
+ }
+ break;
+
+ case 'B': // Load buffer
+ for(int y=0;y<HEIGHT;y++)
+ {
+ for(int x=0;x<WIDTH;x++)
+ {
+ uint16_t c = getNextByte() | (getNextByte() << 8);
+ matrix.drawPixel(x, y, c);
+ }
+ }
+ break;
+
+ case 'C': // Color
+ {
+ uint16_t c = getNextByte() | (getNextByte() << 8);
+ matrix.drawPixel(currentX, currentY, c);
+
+ currentX++;
+ if (currentX >= WIDTH)
+ {
+ currentX = 0;
+ currentY++;
+ }
+
+ if (currentY >= HEIGHT)
+ {
+ currentY = 0;
+ }
+ }
+ break;
+
+ case 'D': // Double Buffer
+ {
+ bool dBuffer = getNextByte() == 1;
+ matrix.SetDoubleBuffer(dBuffer);
+ }
+ break;
+
+ case 'S': // Swap Buffers
+ {
+ bool copyBuffer = getNextByte() == 1;
+ matrix.Swap(copyBuffer);
+ }
+ break;
+
+ case 'T': // Text
+ {
+ int16_t x = getNextByte() | (getNextByte() << 8);
+ int16_t y = getNextByte() | (getNextByte() << 8);
+ int size = getNextByte();
+ uint16_t color = getNextByte() | (getNextByte() << 8);
+
+ matrix.setCursor(x, y);
+ matrix.setTextColor(color);
+ matrix.setTextSize(size);
+
+ int length = getNextByte();
+ for(int c = 0; c< length;c++)
+ {
+ matrix.print((char) getNextByte());
+ }
+ }
+ break;
+ }
+ */
+ /*
for(int c=0;c<64;c++)
{
matrix.setCursor(20, 12);
@@ -30,7 +143,8 @@
Thread::wait(200);
}
- for(int x=0;x<64;x++)
+ */
+ for(int x=0;x<WIDTH;x++)
{
for(int y=0;y<32;y++)
{
@@ -41,19 +155,19 @@
Thread::wait(5000);
for(int c=0; c<16; c++) {
- for(int x=c; x<(63-c); x++) {// Top side
+ for(int x=c; x<((WIDTH-1)-c); x++) {// Top side
matrix.drawPixel(x,c,matrix.Color444(c, 0, 0));
Thread::wait(10);
}
- for(int y=c; y<(31-c); y++) {// Right side
- matrix.drawPixel(63-c,y, matrix.Color444(0, c, 0));
+ for(int y=c; y<((HEIGHT-1)-c); y++) {// Right side
+ matrix.drawPixel((WIDTH-1)-c,y, matrix.Color444(0, c, 0));
Thread::wait(10);
}
- for(int x=(63-c); x>=c; x--) {// Bottom side
- matrix.drawPixel(x,(31-c), matrix.Color444(0, 0, c));
+ for(int x=((WIDTH-1)-c); x>=c; x--) {// Bottom side
+ matrix.drawPixel(x,((HEIGHT-1)-c), matrix.Color444(0, 0, c));
Thread::wait(10);
}
- for(int y=(31-c); y>=c; y--) { // Left side
+ for(int y=((HEIGHT-1)-c); y>=c; y--) { // Left side
matrix.drawPixel(c,y, matrix.Color444(0, c, 0));
Thread::wait(10);
}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-dev.lib Tue Oct 24 03:02:51 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed-dev/#af195413fb11
--- a/mbed.bld Wed Oct 11 00:38:39 2017 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +0,0 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/235179ab3f27 \ No newline at end of file