Modify the default I2C pin configuration

variants/heltec_rc52/variant.cpp

@@ -48,9 +48,7 @@ void variant_shutdown()
   digitalWrite(RADIOCORE_FEM_EN, LOW);
   digitalWrite(RADIOCORE_VFEM_CTRL, LOW);
   digitalWrite(PIN_ADC_CTRL, !ADC_CTRL_ENABLED);
-#ifdef PIN_BUZZER
-  digitalWrite(PIN_BUZZER, LOW);
-#endif
+
   digitalWrite(PIN_TFT_BL, !PIN_TFT_BL_ACTIVE);
   digitalWrite(PIN_TFT_EN, !PIN_TFT_EN_ACTIVE);
 
@@ -64,7 +62,6 @@ void variant_shutdown()
   nrf_gpio_cfg_default(PIN_TFT_EN);
   nrf_gpio_cfg_default(PIN_TFT_CS);
   nrf_gpio_cfg_default(PIN_TFT_DC);
-  nrf_gpio_cfg_default(PIN_TFT_MOSI);
   nrf_gpio_cfg_default(PIN_TFT_RST);
 
   nrf_gpio_cfg_default(PIN_SPI_MISO);

variants/heltec_rc52/variant.h

@@ -42,13 +42,11 @@ extern "C" {
 #define PWRMGT_LPCOMP_REFSEL 1
 
 #define WIRE_INTERFACES_COUNT 1
-// Default board-package I2C pins.
-#define PIN_WIRE_SDA (0 + 6)
-#define PIN_WIRE_SCL (0 + 29)
 
-// External connector I2C used by MeshCore sensors/rotary input.
 #define PIN_BOARD_SDA (32 + 11) // P1.11
 #define PIN_BOARD_SCL (0 + 2)   // P0.02
+#define PIN_WIRE_SDA PIN_BOARD_SDA
+#define PIN_WIRE_SCL PIN_BOARD_SCL
 #define SENSOR_POWER_CTRL_PIN (0 + 12)
 #define SENSOR_POWER_ON HIGH
 #define SENSOR_INT (0 + 20)