wip

examples/simple_secure_chat_ui/main.cpp

@@ -998,7 +998,7 @@ void setup() {
 #if defined(PIN_BOARD_SDA) && defined(PIN_BOARD_SCL)
   // Initialise I2C early so both the touch controller (FT5x06 @ 0x48)
   // and the IO expander (TCA9535 @ 0x20) are ready before lcd.begin().
-  Wire.begin(PIN_BOARD_SDA, PIN_BOARD_SCL);
+  Wire.begin(PIN_BOARD_SDA, PIN_BOARD_SCL, 400000);
 #endif
 
   initializeDisplay();

src/helpers/radiolib/RadioLibWrappers.cpp

@@ -119,6 +119,7 @@ int RadioLibWrapper::recvRaw(uint8_t* bytes, int sz) {
     int err = _radio->startReceive();
     if (err == RADIOLIB_ERR_NONE) {
       state = STATE_RX;
+      state &= ~STATE_INT_READY;  // BUSY transitions during startReceive fire TCA9535 /INT spuriously
     } else {
       MESH_DEBUG_PRINTLN("RadioLibWrapper: error: startReceive(%d)", err);
     }

variants/sensecap_indicator-espnow/target.cpp

@@ -105,7 +105,7 @@ bool radio_init() {
   // Wire must be up before TCA9535 access — force full re-init after recovery
   Wire.end();
   delay(5);
-  Wire.begin(PIN_BOARD_SDA, PIN_BOARD_SCL);
+  Wire.begin(PIN_BOARD_SDA, PIN_BOARD_SCL, 400000);
   Wire.setTimeOut(15);  // 15 ms per address for fast scan
   delay(10);