147 lines
4.3 KiB
C++
147 lines
4.3 KiB
C++
/*
|
|
* An example that writes to a CRGB FastLED pixel buffer before being ultimately sent
|
|
* to the DMA Display.
|
|
*
|
|
* Faptastic 2020
|
|
*
|
|
* Note:
|
|
* * Layers use lots of RAM (3*WIDTH*HEIGHT bytes per layer to be precise), so use at your own risk.
|
|
* * Make sure LAYER_WIDTH and LAYER_HEIGHT are correctly configured in Layer.h !!!
|
|
*/
|
|
|
|
//#define USE_CUSTOM_PINS // uncomment to use custom pins, then provide below
|
|
|
|
#define A_PIN 26
|
|
#define B_PIN 4
|
|
#define C_PIN 27
|
|
#define D_PIN 2
|
|
#define E_PIN 21
|
|
|
|
#define R1_PIN 5
|
|
#define R2_PIN 19
|
|
#define G1_PIN 17
|
|
#define G2_PIN 16
|
|
#define B1_PIN 18
|
|
#define B2_PIN 25
|
|
|
|
#define CLK_PIN 14
|
|
#define LAT_PIN 15
|
|
#define OE_PIN 13
|
|
|
|
|
|
#include <FastLED.h> // FastLED needs to be installed.
|
|
#include "Layer.h" // Layer Library
|
|
#include "Fonts/FreeSansBold9pt7b.h" // include adafruit font
|
|
|
|
// Object creation
|
|
MatrixPanel_I2S_DMA dma_display; // Create HUB75 DMA object
|
|
Layer bgLayer(dma_display); // Create background Layer
|
|
Layer textLayer(dma_display); // Create foreground Layer
|
|
|
|
|
|
int time_counter = 0;
|
|
int cycles = 0;
|
|
CRGBPalette16 currentPalette;
|
|
CRGB currentColor;
|
|
|
|
|
|
CRGB ColorFromCurrentPalette(uint8_t index = 0, uint8_t brightness = 255, TBlendType blendType = LINEARBLEND) {
|
|
return ColorFromPalette(currentPalette, index, brightness, blendType);
|
|
}
|
|
|
|
void setup() {
|
|
|
|
Serial.begin(115200);
|
|
|
|
Serial.println("*****************************************************");
|
|
Serial.println(" HELLO !");
|
|
Serial.println("*****************************************************");
|
|
|
|
#ifdef USE_CUSTOM_PINS
|
|
dma_display.begin(R1_PIN, G1_PIN, B1_PIN, R2_PIN, G2_PIN, B2_PIN, A_PIN, B_PIN, C_PIN, D_PIN, E_PIN, LAT_PIN, OE_PIN, CLK_PIN ); // setup the LED matrix
|
|
#else
|
|
dma_display.begin();
|
|
#endif
|
|
|
|
// fill the screen with 'black'
|
|
dma_display.fillScreen(dma_display.color444(0, 0, 0));
|
|
|
|
// Set current FastLED palette
|
|
currentPalette = RainbowColors_p;
|
|
|
|
// Allocate Background Layer
|
|
bgLayer.init();
|
|
bgLayer.clear();
|
|
bgLayer.setTransparency(false);
|
|
|
|
// Allocate Canvas Layer
|
|
textLayer.init();
|
|
textLayer.clear();
|
|
|
|
/* Step 1: Write some pixels to foreground Layer (use custom layer function)
|
|
* Only need to do this once as we're not changing it ever again in this example.
|
|
*/
|
|
textLayer.drawCentreText("COOL!", MIDDLE, &FreeSansBold9pt7b, CRGB(255,255,255));
|
|
textLayer.autoCenterX(); // because I don't trust AdaFruit to perfectly place the contents in the middle
|
|
|
|
}
|
|
|
|
int LayerCompositor_mode = 0;
|
|
void loop() {
|
|
|
|
for (int x = 0; x < dma_display.width(); x++) {
|
|
for (int y = 0; y < dma_display.height(); y++) {
|
|
int16_t v = 0;
|
|
uint8_t wibble = sin8(time_counter);
|
|
v += sin16(x * wibble * 3 + time_counter);
|
|
v += cos16(y * (128 - wibble) + time_counter);
|
|
v += sin16(y * x * cos8(-time_counter) / 8);
|
|
|
|
currentColor = ColorFromPalette(currentPalette, (v >> 8) + 127); //, brightness, currentBlendType);
|
|
|
|
/*
|
|
* Step 2: Write to Background layer! Don't show it on the screen just yet.
|
|
* Note: Layer class is designed for FastLED 'CRGB' data type.
|
|
*/
|
|
bgLayer.drawPixel(x, y, currentColor);
|
|
|
|
}
|
|
}
|
|
|
|
time_counter += 1;
|
|
cycles++;
|
|
|
|
if (cycles >= 2048) {
|
|
time_counter = 0;
|
|
cycles = 0;
|
|
}
|
|
|
|
/*
|
|
* Step 3: Merge foreground and background layers and send to the matrix panel!
|
|
* Use our special sauce LayerCompositor functions
|
|
*/
|
|
switch (LayerCompositor_mode)
|
|
{
|
|
case 0:
|
|
LayerCompositor::Siloette(dma_display, bgLayer, textLayer);
|
|
break;
|
|
|
|
case 1:
|
|
LayerCompositor::Stack(dma_display, bgLayer, textLayer);
|
|
break;
|
|
|
|
case 2:
|
|
LayerCompositor::Blend(dma_display, bgLayer, textLayer);
|
|
break;
|
|
}
|
|
|
|
EVERY_N_SECONDS(5) { // FastLED Macro
|
|
LayerCompositor_mode++;
|
|
dma_display.clearScreen();
|
|
if (LayerCompositor_mode > 2) LayerCompositor_mode = 0;
|
|
}
|
|
|
|
//
|
|
// LayerCompositor::Blend(dma_display, bgLayer, textLayer, 127);
|
|
|
|
} // end loop
|