snapshot

sketches/doorbell-touch-esp32-32e/User_Setup.h

@@ -1,20 +1,30 @@
-// ===== User_Setup.h (local to sketch) =====
-#define USER_SETUP_LOADED   // Prevent TFT_eSPI from loading its own
+// ===== User_Setup.h for E32R35T (ESP32-32E 3.5" Display) =====
+#define USER_SETUP_LOADED
 
 #define ST7796_DRIVER
 
 #define TFT_WIDTH  320
 #define TFT_HEIGHT 480
 
-#define TFT_CS   15
-#define TFT_DC    2
-#define TFT_RST   4
-#define TFT_MOSI 23
-#define TFT_SCLK 18
-#define TFT_MISO 19
+// LCD pins (HSPI bus)
+#define TFT_CS    15
+#define TFT_DC     2    // Called "TFT_RS" on the board
+#define TFT_RST   -1    // RST is tied to EN (ESP32 reset pin), not a GPIO
+#define TFT_MOSI  13
+#define TFT_SCLK  14
+#define TFT_MISO  12
 
-#define TOUCH_CS  21
+// Backlight
+#define TFT_BL    27
+#define TFT_BACKLIGHT_ON HIGH
 
+// Touch (XPT2046, shares HSPI bus with LCD)
+#define TOUCH_CS  33
+
+// Use HSPI port (not default VSPI)
+#define USE_HSPI_PORT
+
+// SPI Frequencies
 #define SPI_FREQUENCY       27000000
 #define SPI_READ_FREQUENCY  20000000
 #define SPI_TOUCH_FREQUENCY  2500000

sketches/doorbell-touch-esp32-32e/doorbell-touch-esp32-32e.ino

@@ -5,37 +5,54 @@ TFT_eSPI tft = TFT_eSPI();
 
 void setup() {
   Serial.begin(115200);
-  delay(1000);
+  delay(2000);
 
-  // Turn on backlight
+  // Backlight ON
   pinMode(27, OUTPUT);
   digitalWrite(27, HIGH);
 
+  // Config verification
+  Serial.println("\n=== E32R35T Config ===");
+  #if defined(USER_SETUP_LOADED)
+    Serial.println("User_Setup: LOADED");
+  #else
+    Serial.println("User_Setup: DEFAULT (BAD!)");
+  #endif
+  #if defined(USE_HSPI_PORT)
+    Serial.println("SPI Bus: HSPI");
+  #else
+    Serial.println("SPI Bus: VSPI");
+  #endif
+  Serial.printf("MOSI:%d SCLK:%d MISO:%d\n", TFT_MOSI, TFT_SCLK, TFT_MISO);
+  Serial.printf("CS:%d DC:%d RST:%d BL:%d\n", TFT_CS, TFT_DC, TFT_RST, TFT_BL);
+  Serial.printf("TOUCH_CS:%d\n", TOUCH_CS);
+  Serial.printf("SPI_FREQ:%d\n", SPI_FREQUENCY);
+  Serial.println("======================\n");
+
   tft.init();
-  tft.setRotation(1);  // Landscape
+  tft.setRotation(1);
 
-  // Cycle colors to confirm display works
-  uint16_t colors[] = {TFT_RED, TFT_GREEN, TFT_BLUE, TFT_WHITE};
-  const char* names[] = {"RED", "GREEN", "BLUE", "WHITE"};
+  uint16_t colors[] = {TFT_RED, TFT_GREEN, TFT_BLUE, TFT_WHITE, TFT_BLACK};
+  const char* names[] = {"RED", "GREEN", "BLUE", "WHITE", "BLACK"};
 
-  for (int i = 0; i < 4; i++) {
+  for (int i = 0; i < 5; i++) {
     tft.fillScreen(colors[i]);
     Serial.printf("Screen: %s\n", names[i]);
-    delay(1000);
+    delay(1500);
   }
 
   tft.fillScreen(TFT_BLACK);
-  tft.setTextColor(TFT_WHITE, TFT_BLACK);
+  tft.setTextColor(TFT_GREEN, TFT_BLACK);
   tft.setTextSize(3);
-  tft.drawString("Hello ESP32-32E!", 30, 100);
-  Serial.println("Display initialized!");
+  tft.drawString("E32R35T Works!", 30, 100);
+  Serial.println("Done!");
 }
 
 void loop() {
   uint16_t x, y;
   if (tft.getTouch(&x, &y)) {
     Serial.printf("Touch: %d, %d\n", x, y);
-    tft.fillCircle(x, y, 3, TFT_RED);
+    tft.fillCircle(x, y, 4, TFT_YELLOW);
   }
 }
 

sketches/doorbell-touch-esp32-32e/mise.toml

@@ -18,13 +18,7 @@ arduino-cli lib install "TFT_eSPI"
 """
 
 [tasks.compile]
-run = """
-arduino-cli compile \
-  --fqbn $FQBN \
-  --build-property "compiler.cpp.extra_flags=-DUSER_SETUP_LOADED -include ${SKETCH_DIR}/User_Setup.h" \
-  --build-property "compiler.c.extra_flags=-DUSER_SETUP_LOADED -include ${SKETCH_DIR}/User_Setup.h" \
-  .
-"""
+run = "arduino-cli compile --fqbn $FQBN ."
 
 [tasks.upload]
 depends = ["compile"]