syndilights/PoC/testcolors/testcolors_16x32.ino

57 lines
1.1 KiB
C++

// testcolors demo for RGBmatrixPanel library.
// Renders 512 colors on a 16x32 RGB LED matrix.
// Library supports 4096 colors, but there aren't that many pixels!
#include <Adafruit_GFX.h> // Core graphics library
#include <RGBmatrixPanel.h> // Hardware-specific library
#define CLK 8 // MUST be on PORTB!
#define LAT A3
#define OE 9
#define A A0
#define B A1
#define C A2
RGBmatrixPanel matrix(A, B, C, CLK, LAT, OE, false);
void setup() {
matrix.begin();
uint8_t r=0, g=0, b=0;
// Draw top half
for (uint8_t x=0; x < 32; x++) {
for (uint8_t y=0; y < 8; y++) {
matrix.drawPixel(x, y, matrix.Color333(r, g, b));
r++;
if (r == 8) {
r = 0;
g++;
if (g == 8) {
g = 0;
b++;
}
}
}
}
// Draw bottom half
for (uint8_t x=0; x < 32; x++) {
for (uint8_t y=8; y < 16; y++) {
matrix.drawPixel(x, y, matrix.Color333(r, g, b));
r++;
if (r == 8) {
r = 0;
g++;
if (g == 8) {
g = 0;
b++;
}
}
}
}
}
void loop() {
// do nothing
}