[ESP32 TTGO] Getting Started! #StartingLine #BasicSetup (ft. Image Animation)

ESP32_TTGO/AnimationImage/AnimationImage.ino

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+#include "SPIFFS.h"
+#include <TJpg_Decoder.h>
+#include "SPI.h"
+#include <TFT_eSPI.h>              // Hardware-specific library
+
+TFT_eSPI tft = TFT_eSPI();         // Invoke custom library
+int imgNum = 0;
+
+void setup() {
+  Serial.begin(115200);
+
+  // Initialise SPIFFS
+  if (!SPIFFS.begin()) {
+    Serial.println("SPIFFS initialisation failed!");
+    while (1) yield(); // Stay here twiddling thumbs waiting
+  }
+  Serial.println("\r\nInitialisation done.");
+  listSPIFFS();
+
+  tft.begin();
+  tft.setRotation(1);
+  tft.fillScreen(TFT_BLACK);
+
+  TJpgDec.setJpgScale(1);
+  TJpgDec.setSwapBytes(true);
+  TJpgDec.setCallback(tft_output);
+}
+
+void loop() {
+  if(imgNum >23) imgNum = 0;
+  String imgPath = "/image_";
+  imgPath += imgNum++;
+  imgPath +=".jpg";
+
+  TJpgDec.drawFsJpg(0, 0, imgPath);
+}
+
+void listSPIFFS(void) {
+  Serial.println(F("\r\nListing SPIFFS files:"));
+  static const char line[] PROGMEM =  "=================================================";
+
+  Serial.println(FPSTR(line));
+  Serial.println(F("  File name                              Size"));
+  Serial.println(FPSTR(line));
+
+  fs::File root = SPIFFS.open("/");
+  if (!root) {
+    Serial.println(F("Failed to open directory"));
+    return;
+  }
+  if (!root.isDirectory()) {
+    Serial.println(F("Not a directory"));
+    return;
+  }
+
+  fs::File file = root.openNextFile();
+  while (file) {
+
+    if (file.isDirectory()) {
+      Serial.print("DIR : ");
+      String fileName = file.name();
+      Serial.print(fileName);
+    } else {
+      String fileName = file.name();
+      Serial.print("  " + fileName);
+      // File path can be 31 characters maximum in SPIFFS
+      int spaces = 33 - fileName.length(); // Tabulate nicely
+      if (spaces < 1) spaces = 1;
+      while (spaces--) Serial.print(" ");
+      String fileSize = (String) file.size();
+      spaces = 10 - fileSize.length(); // Tabulate nicely
+      if (spaces < 1) spaces = 1;
+      while (spaces--) Serial.print(" ");
+      Serial.println(fileSize + " bytes");
+    }
+
+    file = root.openNextFile();
+  }
+
+  Serial.println(FPSTR(line));
+  Serial.println();
+  delay(1000);
+}
+
+bool tft_output(int16_t x, int16_t y, uint16_t w, uint16_t h, uint16_t* bitmap)
+{
+  // Stop further decoding as image is running off bottom of screen
+  if ( y >= tft.height() ) return 0;
+
+  // This function will clip the image block rendering automatically at the TFT boundaries
+  tft.pushImage(x, y, w, h, bitmap);
+
+  // Return 1 to decode next block
+  return 1;
+}