From cbc4cab20cb3923672fceb9f1e9b4d526c48f3f0 Mon Sep 17 00:00:00 2001
From: Christos Themelis <themelisx@gmail.com>
Date: Sat, 2 May 2026 18:42:11 +0300
Subject: [PATCH] wip

---
 examples/simple_secure_chat_ui/main.cpp       | 2 +-
 src/helpers/radiolib/RadioLibWrappers.cpp     | 1 +
 variants/sensecap_indicator-espnow/target.cpp | 2 +-
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/examples/simple_secure_chat_ui/main.cpp b/examples/simple_secure_chat_ui/main.cpp
index cf398140f..05364b45d 100644
--- a/examples/simple_secure_chat_ui/main.cpp
+++ b/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();
diff --git a/src/helpers/radiolib/RadioLibWrappers.cpp b/src/helpers/radiolib/RadioLibWrappers.cpp
index 91de8de55..029080af1 100644
--- a/src/helpers/radiolib/RadioLibWrappers.cpp
+++ b/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);
     }
diff --git a/variants/sensecap_indicator-espnow/target.cpp b/variants/sensecap_indicator-espnow/target.cpp
index c78f43f59..e4cb1f945 100644
--- a/variants/sensecap_indicator-espnow/target.cpp
+++ b/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);