136 lines
4.2 KiB
C++
136 lines
4.2 KiB
C++
/*
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* Written by: Craig A. Lindley
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*
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* Copyright (c) 2014 Craig A. Lindley
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* Refactoring by Louis Beaudoin (Pixelmatix)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <ESP32-RGB64x32MatrixPanel-I2S-DMA.h>
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#include <SPIFFS.h>
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#include <Arduino.h>
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RGB64x32MatrixPanel_I2S_DMA matrix;
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#include "GifDecoder.h"
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#include "FilenameFunctions.h"
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/* GIF files for this particular example need to be put into the 'data' directoy of the
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* sketch and saved to the ESP32 using the "ESP32 Sketch Data Upload" tool in Arduino.
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*
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* URL: https://github.com/me-no-dev/arduino-esp32fs-plugin
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*
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*/
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#define GIF_DIRECTORY "/"
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#define DISPLAY_TIME_SECONDS 5
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// Gif sizes should match exactly that of the RGB Matrix display.
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const uint8_t GIFWidth = 64;
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const uint8_t GIFHeight = 32;
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/* template parameters are maxGifWidth, maxGifHeight, lzwMaxBits
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*
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* The lzwMaxBits value of 12 supports all GIFs, but uses 16kB RAM
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* lzwMaxBits can be set to 10 or 11 for small displays, 12 for large displays
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* All 32x32-pixel GIFs tested work with 11, most work with 10
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*/
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GifDecoder<GIFWidth, GIFHeight, 12> decoder;
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int num_files;
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void screenClearCallback(void) {
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//matrix.fillScreen(matrix.color565(0,0,0));
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}
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void updateScreenCallback(void) {
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//backgroundLayer.swapBuffers();
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}
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void drawPixelCallback(int16_t x, int16_t y, uint8_t red, uint8_t green, uint8_t blue) {
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matrix.drawPixelRGB888(x, y, red, green, blue);
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}
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// Setup method runs once, when the sketch starts
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void setup() {
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Serial.begin(115200);
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Serial.println("Starting AnimatedGIFs Sketch");
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// Start filesystem
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Serial.println(" * Loading SPIFFS");
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if(!SPIFFS.begin()){
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Serial.println("SPIFFS Mount Failed");
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}
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decoder.setScreenClearCallback(screenClearCallback);
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decoder.setUpdateScreenCallback(updateScreenCallback);
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decoder.setDrawPixelCallback(drawPixelCallback);
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decoder.setFileSeekCallback(fileSeekCallback);
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decoder.setFilePositionCallback(filePositionCallback);
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decoder.setFileReadCallback(fileReadCallback);
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decoder.setFileReadBlockCallback(fileReadBlockCallback);
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matrix.begin();
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// Clear screen
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matrix.fillScreen(matrix.color565(0,0,0));
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// Determine how many animated GIF files exist
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num_files = enumerateGIFFiles(GIF_DIRECTORY, false);
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if(num_files < 0) {
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Serial.println("No gifs directory");
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while(1);
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}
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if(!num_files) {
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Serial.println("Empty gifs directory");
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while(1);
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}
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}
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int file_index = -1;
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void loop() {
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static unsigned long futureTime;
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// int index = -1; //random(num_files);
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if(futureTime < millis()) {
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if (++file_index >= num_files) {
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file_index = 0;
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}
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if (openGifFilenameByIndex(GIF_DIRECTORY, file_index) >= 0) {
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// Can clear screen for new animation here, but this might cause flicker with short animations
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// matrix.fillScreen(COLOR_BLACK);
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// matrix.swapBuffers();
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decoder.startDecoding();
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// Calculate time in the future to terminate animation
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futureTime = millis() + (DISPLAY_TIME_SECONDS * 1000);
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}
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}
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decoder.decodeFrame();
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}
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