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Restore access to configuration menu via screen long-press and selector button

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This commit is contained in:
Sebastián Nieto 2026-09-09 23:00:46 -03:00
parent 3ea2487d8d
commit 644179f09c
1 changed files with 25 additions and 4 deletions
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29
sketch/obd2_gauge/obd2_gauge.ino
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@ -300,6 +300,13 @@ recent_client_addr : {0x00,0x00,0x00,0x00,0x00,0x00} array of bytes[6]
while (!foundOBD2) { //not success try scan and connect another OBD2
scanBTdevice();
autoDim(); //auto backlight handle
if (digitalRead(SELECTOR_PIN) == LOW) { //button pressed
delay(50);
if (digitalRead(SELECTOR_PIN) == LOW) {
configMenu();
}
}
}
//Initialize ELM327
@ -338,11 +345,13 @@ void loop() {
updateBacklightFade(); // non-blocking smooth backlight fade handler
handleArcAlarmFlash(); // non-blocking arc alarm flash handler (blinks when in TFT_RED)
// SCAN TOUCHSCREEN
// SCAN TOUCHSCREEN & BUTTON
// - Single click on a quadrant: toggles between clock (arc) and number
// - Double click on a quadrant: puts that instrument in full screen (or exits full screen)
// - Long press (> 1s) on screen OR holding selector button: opens configuration menu
uint16_t touchX = 0, touchY = 0;
bool isTouched = getTouch(&touchX, &touchY);
bool btnPressed = (digitalRead(SELECTOR_PIN) == LOW);
static bool isTouching = false;
static uint32_t touchStartTime = 0;
@ -350,19 +359,31 @@ void loop() {
static uint8_t clickCount = 0;
static uint32_t firstClickTime = 0;
static int8_t clickQuadrant = -1;
static bool longPressHandled = false;
if (isTouched) {
if (isTouched || btnPressed) {
if (!isTouching) {
isTouching = true;
touchStartTime = millis();
lastTouchX = touchX;
lastTouchY = touchY;
longPressHandled = false;
} else if (!longPressHandled && (millis() - touchStartTime > 1000)) {
// Long press (> 1s) or button hold: Open Config Menu!
longPressHandled = true;
clickCount = 0;
ledcWriteTone(buzzerChannel, 3500);
delay(40);
ledcWriteTone(buzzerChannel, 0);
configMenu();
if (foundOBD2) initScreen();
isTouching = false;
}
} else {
// Touch released
// Touch / button released
if (isTouching) {
isTouching = false;
if (millis() - touchStartTime >= 30) {
if (!longPressHandled && (millis() - touchStartTime >= 30)) {
// Valid tap detected! Determine quadrant
int quad = (lastTouchX < 160) ? ((lastTouchY < 120) ? 0 : 2) : ((lastTouchY < 120) ? 1 : 3);