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This commit is contained in:
David Gwilliam
2026-02-15 17:11:07 -08:00
parent 80b1291489
commit d3aeb6f207
3 changed files with 49 additions and 28 deletions
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28
sketches/doorbell-touch-esp32-32e/User_Setup.h
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@@ -1,20 +1,30 @@
// ===== User_Setup.h (local to sketch) ===== // ===== User_Setup.h for E32R35T (ESP32-32E 3.5" Display) =====
#define USER_SETUP_LOADED // Prevent TFT_eSPI from loading its own #define USER_SETUP_LOADED
#define ST7796_DRIVER #define ST7796_DRIVER
#define TFT_WIDTH 320 #define TFT_WIDTH 320
#define TFT_HEIGHT 480 #define TFT_HEIGHT 480
#define TFT_CS 15 // LCD pins (HSPI bus)
#define TFT_DC 2 #define TFT_CS 15
#define TFT_RST 4 #define TFT_DC 2 // Called "TFT_RS" on the board
#define TFT_MOSI 23 #define TFT_RST -1 // RST is tied to EN (ESP32 reset pin), not a GPIO
#define TFT_SCLK 18 #define TFT_MOSI 13
#define TFT_MISO 19 #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_FREQUENCY 27000000
#define SPI_READ_FREQUENCY 20000000 #define SPI_READ_FREQUENCY 20000000
#define SPI_TOUCH_FREQUENCY 2500000 #define SPI_TOUCH_FREQUENCY 2500000

41
sketches/doorbell-touch-esp32-32e/doorbell-touch-esp32-32e.ino
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@@ -5,37 +5,54 @@ TFT_eSPI tft = TFT_eSPI();
void setup() { void setup() {
Serial.begin(115200); Serial.begin(115200);
delay(1000); delay(2000);
// Turn on backlight // Backlight ON
pinMode(27, OUTPUT); pinMode(27, OUTPUT);
digitalWrite(27, HIGH); 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.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, TFT_BLACK};
uint16_t colors[] = {TFT_RED, TFT_GREEN, TFT_BLUE, TFT_WHITE}; const char* names[] = {"RED", "GREEN", "BLUE", "WHITE", "BLACK"};
const char* names[] = {"RED", "GREEN", "BLUE", "WHITE"};
for (int i = 0; i < 4; i++) { for (int i = 0; i < 5; i++) {
tft.fillScreen(colors[i]); tft.fillScreen(colors[i]);
Serial.printf("Screen: %s\n", names[i]); Serial.printf("Screen: %s\n", names[i]);
delay(1000); delay(1500);
} }
tft.fillScreen(TFT_BLACK); tft.fillScreen(TFT_BLACK);
tft.setTextColor(TFT_WHITE, TFT_BLACK); tft.setTextColor(TFT_GREEN, TFT_BLACK);
tft.setTextSize(3); tft.setTextSize(3);
tft.drawString("Hello ESP32-32E!", 30, 100); tft.drawString("E32R35T Works!", 30, 100);
Serial.println("Display initialized!"); Serial.println("Done!");
} }
void loop() { void loop() {
uint16_t x, y; uint16_t x, y;
if (tft.getTouch(&x, &y)) { if (tft.getTouch(&x, &y)) {
Serial.printf("Touch: %d, %d\n", x, y); Serial.printf("Touch: %d, %d\n", x, y);
tft.fillCircle(x, y, 3, TFT_RED); tft.fillCircle(x, y, 4, TFT_YELLOW);
} }
} }

8
sketches/doorbell-touch-esp32-32e/mise.toml
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@@ -18,13 +18,7 @@ arduino-cli lib install "TFT_eSPI"
""" """
[tasks.compile] [tasks.compile]
run = """ run = "arduino-cli compile --fqbn $FQBN ."
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" \
.
"""
[tasks.upload] [tasks.upload]
depends = ["compile"] depends = ["compile"]