implement dynamic userbutton overwrite. fix #2434

src/ButtonThread.h

@@ -45,10 +45,10 @@ class ButtonThread : public concurrency::OSThread
     ButtonThread() : OSThread("Button")
     {
 #ifdef BUTTON_PIN
-        userButton = OneButton(BUTTON_PIN, true, true);
+        userButton = OneButton(config.device.button_gpio ? config.device.button_gpio : BUTTON_PIN, true, true);
 #ifdef INPUT_PULLUP_SENSE
         // Some platforms (nrf52) have a SENSE variant which allows wake from sleep - override what OneButton did
-        pinMode(BUTTON_PIN, INPUT_PULLUP_SENSE);
+        pinMode(config.device.button_gpio ? config.device.button_gpio : BUTTON_PIN, INPUT_PULLUP_SENSE);
 #endif
         userButton.attachClick(userButtonPressed);
         userButton.setClickTicks(300);
@@ -57,7 +57,7 @@ class ButtonThread : public concurrency::OSThread
         userButton.attachMultiClick(userButtonMultiPressed);
         userButton.attachLongPressStart(userButtonPressedLongStart);
         userButton.attachLongPressStop(userButtonPressedLongStop);
-        wakeOnIrq(BUTTON_PIN, FALLING);
+        wakeOnIrq(config.device.button_gpio ? config.device.button_gpio : BUTTON_PIN, FALLING);
 #endif
 #ifdef BUTTON_PIN_ALT
         userButtonAlt = OneButton(BUTTON_PIN_ALT, true, true);
@@ -115,7 +115,9 @@ class ButtonThread : public concurrency::OSThread
     {
         // LOG_DEBUG("press!\n");
 #ifdef BUTTON_PIN
-        if ((BUTTON_PIN != moduleConfig.canned_message.inputbroker_pin_press) || !moduleConfig.canned_message.enabled) {
+        if (((config.device.button_gpio ? config.device.button_gpio : BUTTON_PIN) !=
+             moduleConfig.canned_message.inputbroker_pin_press) ||
+            !moduleConfig.canned_message.enabled) {
             powerFSM.trigger(EVENT_PRESS);
         }
 #endif

src/PowerFSM.cpp

@@ -99,7 +99,7 @@ static void lsIdle()
                 LOG_INFO("wakeCause2 %d\n", wakeCause2);
 
 #ifdef BUTTON_PIN
-                bool pressed = !digitalRead(BUTTON_PIN);
+                bool pressed = !digitalRead(config.device.button_gpio ? config.device.button_gpio : BUTTON_PIN);
 #else
                 bool pressed = false;
 #endif

src/main.cpp

@@ -218,10 +218,10 @@ void setup()
 
     // If the button is connected to GPIO 12, don't enable the ability to use
     // meshtasticAdmin on the device.
-    pinMode(BUTTON_PIN, INPUT);
+    pinMode(config.device.button_gpio ? config.device.button_gpio : BUTTON_PIN, INPUT);
 
 #ifdef BUTTON_NEED_PULLUP
-    gpio_pullup_en((gpio_num_t)BUTTON_PIN);
+    gpio_pullup_en((gpio_num_t)(config.device.button_gpio ? config.device.button_gpio : BUTTON_PIN));
     delay(10);
 #endif
 
@@ -389,10 +389,7 @@ void setup()
     // scanEInkDevice();
 #endif
 
-#if HAS_BUTTON
-    // Buttons & LED
-    buttonThread = new ButtonThread();
-#endif
+    // LED init
 
 #ifdef LED_PIN
     pinMode(LED_PIN, OUTPUT);
@@ -417,6 +414,11 @@ void setup()
     if (config.device.role == meshtastic_Config_DeviceConfig_Role_REPEATER)
         router = new FloodingRouter();
 
+#if HAS_BUTTON
+    // Buttons. Moved here cause we need NodeDB to be initialized
+    buttonThread = new ButtonThread();
+#endif
+
     playStartMelody();
 
     // fixed screen override?

src/platform/esp32/main-esp32.cpp

@@ -202,7 +202,7 @@ void cpuDeepSleep(uint32_t msecToWake)
 #ifdef BUTTON_PIN
     // Only GPIOs which are have RTC functionality can be used in this bit map: 0,2,4,12-15,25-27,32-39.
 #if SOC_RTCIO_HOLD_SUPPORTED
-    uint64_t gpioMask = (1ULL << BUTTON_PIN);
+    uint64_t gpioMask = (1ULL << config.device.button_gpio ? config.device.button_gpio : BUTTON_PIN);
 #endif
 
 #ifdef BUTTON_NEED_PULLUP

src/sleep.cpp

@@ -309,7 +309,8 @@ esp_sleep_wakeup_cause_t doLightSleep(uint64_t sleepMsec) // FIXME, use a more r
     // assert(esp_sleep_enable_uart_wakeup(0) == ESP_OK);
 #endif
 #ifdef BUTTON_PIN
-    esp_sleep_enable_ext0_wakeup((gpio_num_t)BUTTON_PIN, LOW); // when user presses, this button goes low
+    esp_sleep_enable_ext0_wakeup((gpio_num_t)(config.device.button_gpio ? config.device.button_gpio : BUTTON_PIN),
+                                 LOW); // when user presses, this button goes low
 #endif
 #if defined(LORA_DIO1) && (LORA_DIO1 != RADIOLIB_NC)
     gpio_wakeup_enable((gpio_num_t)LORA_DIO1, GPIO_INTR_HIGH_LEVEL); // SX126x/SX128x interrupt, active high
@@ -338,7 +339,8 @@ esp_sleep_wakeup_cause_t doLightSleep(uint64_t sleepMsec) // FIXME, use a more r
     esp_sleep_wakeup_cause_t cause = esp_sleep_get_wakeup_cause();
 #ifdef BUTTON_PIN
     if (cause == ESP_SLEEP_WAKEUP_GPIO)
-        LOG_INFO("Exit light sleep gpio: btn=%d\n", !digitalRead(BUTTON_PIN));
+        LOG_INFO("Exit light sleep gpio: btn=%d\n",
+                 !digitalRead(config.device.button_gpio ? config.device.button_gpio : BUTTON_PIN));
 #endif
 
     return cause;