[ESP32TTGO x ESP32CAM] Wi-Fi Direct! Output images of ESP32CAM to TTGO display. (ft. WebSocket)

ESP32_TTGO/ESP32CAM_WiFi_Direct/ESP32CAM_WiFi_Direct.ino

@@ -0,0 +1,105 @@
+#include <SPI.h>
+#include <ArduinoWebsockets.h>
+#include <WiFi.h>
+#include <TJpg_Decoder.h>
+#include <TFT_eSPI.h>
+#include "Button2.h";
+
+#define RIGHT_BUTTON_PIN  35
+#define LEFT_BUTTON_PIN  0
+#define YPOS_MAX 0
+#define YPOS_MIN -105
+#define MOVE_FORCE 20
+
+const char* ssid = "ESP32-THAT-PROJECT";
+const char* password = "California";
+
+using namespace websockets;
+WebsocketsServer server;
+WebsocketsClient client;
+
+TFT_eSPI tft = TFT_eSPI();
+Button2 rButton = Button2(RIGHT_BUTTON_PIN);
+Button2 lButton = Button2(LEFT_BUTTON_PIN);
+
+int yPos = -52;
+
+void setup() {
+  Serial.begin(115200);
+
+  buttonInit();
+  tft.begin();
+  tft.setRotation(1);
+  tft.setTextColor(TFT_WHITE,TFT_BLACK); 
+  tft.fillScreen(TFT_BLACK);
+  tft.setSwapBytes(true);
+  tft.setTextFont(4);
+  TJpgDec.setJpgScale(1);
+  TJpgDec.setCallback(tft_output);
+  
+  tft.println("> Setting AP...");
+  WiFi.softAP(ssid, password);
+
+  IPAddress IP = WiFi.softAPIP();
+  tft.println("> AP IP Address");
+  tft.print(">" ); 
+  tft.println(IP);
+  tft.println("> Waiting for");
+  tft.println("> ESP32CAM");
+
+  server.listen(8888);
+}
+
+void loop() {
+  rButton.loop();
+  lButton.loop();
+  
+  if(server.poll()){
+    client = server.accept();
+    }
+
+  if(client.available()){
+    client.poll();
+    
+    WebsocketsMessage msg = client.readBlocking();
+    uint32_t t = millis();
+    
+    TJpgDec.drawJpg(-30, yPos, (const uint8_t*)msg.c_str(), msg.length());
+    
+    t = millis() - t;
+    Serial.print(t); Serial.println(" ms");
+  }
+}
+
+bool tft_output(int16_t x, int16_t y, uint16_t w, uint16_t h, uint16_t* bitmap){
+  if ( y >= tft.height() ) return 0;
+  tft.pushImage(x, y, w, h, bitmap);
+  return 1;
+}
+
+void buttonInit(){
+   rButton.setReleasedHandler(released);
+   lButton.setReleasedHandler(released);
+}
+
+void released(Button2& btn) {
+  if(btn == rButton){
+    Serial.println("right click> ");
+    moveYOffset(1);
+  }else{
+    Serial.println("left click> "); 
+    moveYOffset(-1);
+  }
+}
+
+void moveYOffset(int dir){
+   yPos += (dir * MOVE_FORCE);
+
+  if(yPos >= YPOS_MAX){
+    yPos = YPOS_MAX;
+  }else if(yPos <= YPOS_MIN){    
+    yPos = YPOS_MIN; 
+  }
+  
+  Serial.printf("yPos : %d\n", yPos);
+}