269 lines
8 KiB
Arduino
269 lines
8 KiB
Arduino
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/*********************************************************************
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* AnimatedGif LED Matrix Panel example where the GIFs are
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* stored on a SD card connected to the ESP32 using the
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* standard GPIO pins used for SD card acces via. SPI.
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*
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* Put the gifs into a directory called 'gifs' (case sensitive) on
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* a FAT32 formatted SDcard.
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********************************************************************/
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#include "FS.h"
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#include "SD.h"
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#include "SPI.h"
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#include <ESP32-HUB75-MatrixPanel-I2S-DMA.h>
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#include <AnimatedGIF.h>
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/********************************************************************
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* Pin mapping below is for LOLIN D32 (ESP 32)
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*
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* Default pin mapping used by this library is NOT compatable with the use of the
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* ESP32-Arduino 'SD' card library (there is overlap). As such, some of the pins
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* used for the HUB75 panel need to be shifted.
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*
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* 'SD' card library requires GPIO 23, 18 and 19
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* https://github.com/espressif/arduino-esp32/tree/master/libraries/SD
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*
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*/
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/*
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* Connect the SD card to the following pins:
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*
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* SD Card | ESP32
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* D2 -
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* D3 SS
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* CMD MOSI
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* VSS GND
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* VDD 3.3V
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* CLK SCK
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* VSS GND
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* D0 MISO
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* D1 -
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*/
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/**** SD Card GPIO mappings ****/
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#define SS_PIN 5
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//#define MOSI_PIN 23
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//#define MISO_PIN 19
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//#define CLK_PIN 18
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/**** HUB75 GPIO mapping ****/
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// GPIO 34+ are on the ESP32 are input only!!
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// https://randomnerdtutorials.com/esp32-pinout-reference-gpios/
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#define A_PIN 33 // remap esp32 library default from 23 to 33
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#define B_PIN 32 // remap esp32 library default from 19 to 32
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#define C_PIN 22 // remap esp32 library defaultfrom 5 to 22
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//#define R1_PIN 25 // library default for the esp32, unchanged
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//#define G1_PIN 26 // library default for the esp32, unchanged
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//#define B1_PIN 27 // library default for the esp32, unchanged
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//#define R2_PIN 14 // library default for the esp32, unchanged
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//#define G2_PIN 12 // library default for the esp32, unchanged
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//#define B2_PIN 13 // library default for the esp32, unchanged
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//#define D_PIN 17 // library default for the esp32, unchanged
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//#define E_PIN -1 // IMPORTANT: Change to a valid pin if using a 64x64px panel.
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//#define LAT_PIN 4 // library default for the esp32, unchanged
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//#define OE_PIN 15 // library default for the esp32, unchanged
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//#define CLK_PIN 16 // library default for the esp32, unchanged
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/***************************************************************
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* HUB 75 LED DMA Matrix Panel Configuration
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**************************************************************/
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#define PANEL_RES_X 64 // Number of pixels wide of each INDIVIDUAL panel module.
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#define PANEL_RES_Y 32 // Number of pixels tall of each INDIVIDUAL panel module.
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#define PANEL_CHAIN 1 // Total number of panels chained one to another
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/**************************************************************/
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AnimatedGIF gif;
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MatrixPanel_I2S_DMA *dma_display = nullptr;
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static int totalFiles = 0; // GIF files count
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static File FSGifFile; // temp gif file holder
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static File GifRootFolder; // directory listing
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std::vector<std::string> GifFiles; // GIF files path
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const int maxGifDuration = 30000; // ms, max GIF duration
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#include "gif_functions.hpp"
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#include "sdcard_functions.hpp"
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/**************************************************************/
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void draw_test_patterns();
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int gifPlay( const char* gifPath )
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{ // 0=infinite
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if( ! gif.open( gifPath, GIFOpenFile, GIFCloseFile, GIFReadFile, GIFSeekFile, GIFDraw ) ) {
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log_n("Could not open gif %s", gifPath );
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}
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Serial.print("Playing: "); Serial.println(gifPath);
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int frameDelay = 0; // store delay for the last frame
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int then = 0; // store overall delay
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while (gif.playFrame(true, &frameDelay)) {
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then += frameDelay;
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if( then > maxGifDuration ) { // avoid being trapped in infinite GIF's
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//log_w("Broke the GIF loop, max duration exceeded");
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break;
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}
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}
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gif.close();
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return then;
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}
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void setup()
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{
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Serial.begin(115200);
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// **************************** Setup SD Card access via SPI ****************************
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if(!SD.begin(SS_PIN)){
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// bool begin(uint8_t ssPin=SS, SPIClass &spi=SPI, uint32_t frequency=4000000, const char * mountpoint="/sd", uint8_t max_files=5, bool format_if_empty=false);
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Serial.println("Card Mount Failed");
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return;
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}
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uint8_t cardType = SD.cardType();
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if(cardType == CARD_NONE){
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Serial.println("No SD card attached");
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return;
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}
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Serial.print("SD Card Type: ");
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if(cardType == CARD_MMC){
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Serial.println("MMC");
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} else if(cardType == CARD_SD){
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Serial.println("SDSC");
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} else if(cardType == CARD_SDHC){
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Serial.println("SDHC");
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} else {
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Serial.println("UNKNOWN");
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}
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uint64_t cardSize = SD.cardSize() / (1024 * 1024);
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Serial.printf("SD Card Size: %lluMB\n", cardSize);
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//listDir(SD, "/", 1, false);
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Serial.printf("Total space: %lluMB\n", SD.totalBytes() / (1024 * 1024));
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Serial.printf("Used space: %lluMB\n", SD.usedBytes() / (1024 * 1024));
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// **************************** Setup DMA Matrix ****************************
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HUB75_I2S_CFG mxconfig(
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PANEL_RES_X, // module width
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PANEL_RES_Y, // module height
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PANEL_CHAIN // Chain length
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);
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// Need to remap these HUB75 DMA pins because the SPI SDCard is using them.
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// Otherwise the SD Card will not work.
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mxconfig.gpio.a = A_PIN;
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mxconfig.gpio.b = B_PIN;
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mxconfig.gpio.c = C_PIN;
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// mxconfig.gpio.d = D_PIN;
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//mxconfig.clkphase = false;
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//mxconfig.driver = HUB75_I2S_CFG::FM6126A;
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// Display Setup
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dma_display = new MatrixPanel_I2S_DMA(mxconfig);
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// Allocate memory and start DMA display
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if( not dma_display->begin() )
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Serial.println("****** !KABOOM! HUB75 memory allocation failed ***********");
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dma_display->setBrightness8(128); //0-255
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dma_display->clearScreen();
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// **************************** Setup Sketch ****************************
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Serial.println("Starting AnimatedGIFs Sketch");
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// SD CARD STOPS WORKING WITH DMA DISPLAY ENABLED>...
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File root = SD.open("/gifs");
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if(!root){
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Serial.println("Failed to open directory");
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return;
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}
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File file = root.openNextFile();
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while(file){
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if(!file.isDirectory())
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{
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Serial.print(" FILE: ");
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Serial.print(file.name());
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Serial.print(" SIZE: ");
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Serial.println(file.size());
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std::string filename = "/gifs/" + std::string(file.name());
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Serial.println(filename.c_str());
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GifFiles.push_back( filename );
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// Serial.println("Adding to gif list:" + String(filename));
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totalFiles++;
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}
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file = root.openNextFile();
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}
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file.close();
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Serial.printf("Found %d GIFs to play.", totalFiles);
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//totalFiles = getGifInventory("/gifs");
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// This is important - Set the right endianness.
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gif.begin(LITTLE_ENDIAN_PIXELS);
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}
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void loop(){
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// Iterate over a vector using range based for loop
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for(auto & elem : GifFiles)
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{
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gifPlay( elem.c_str() );
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gif.reset();
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delay(500);
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}
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}
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void draw_test_patterns()
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{
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// fix the screen with green
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dma_display->fillRect(0, 0, dma_display->width(), dma_display->height(), dma_display->color444(0, 15, 0));
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delay(500);
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// draw a box in yellow
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dma_display->drawRect(0, 0, dma_display->width(), dma_display->height(), dma_display->color444(15, 15, 0));
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delay(500);
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// draw an 'X' in red
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dma_display->drawLine(0, 0, dma_display->width()-1, dma_display->height()-1, dma_display->color444(15, 0, 0));
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dma_display->drawLine(dma_display->width()-1, 0, 0, dma_display->height()-1, dma_display->color444(15, 0, 0));
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delay(500);
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// draw a blue circle
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dma_display->drawCircle(10, 10, 10, dma_display->color444(0, 0, 15));
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delay(500);
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// fill a violet circle
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dma_display->fillCircle(40, 21, 10, dma_display->color444(15, 0, 15));
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delay(500);
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delay(1000);
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}
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