#pragma once #include "driver/gpio.h" #include "esp_err.h" #define DISPLAY_I2C_ADDRESS 0x3C #define I2C_MASTER_SDA_PIN ((gpio_num_t)CONFIG_DISPLAY_SDA_PIN) #define I2C_MASTER_SCL_PIN ((gpio_num_t)CONFIG_DISPLAY_SCL_PIN) __BEGIN_DECLS esp_err_t i2c_bus_scan_and_check(void); __END_DECLS