// i2c_linux.h
#ifndef I2C_LINUX_H_
#define I2C_LINUX_H_

#include <stdint.h>
#include <unistd.h>
#include "bme68x_defs.h"   // for BME68X_INTF_RET_TYPE, BME68X_OK, BME68X_E_COM_FAIL
#include "bme68x.h"        // for BME68X_I2C_INTF

#ifdef __cplusplus
extern "C" {
#endif

// Open the I2C bus file (e.g. "/dev/i2c-1")
int   i2c_open_bus(const char *bus);
// Close it
void  i2c_close_bus(int fd);

// These are the functions we’ll hook into bme68x_dev:
BME68X_INTF_RET_TYPE bme68x_i2c_read(uint8_t  reg_addr,
                                     uint8_t *reg_data,
                                     uint32_t  len,
                                     void     *intf_ptr);
BME68X_INTF_RET_TYPE bme68x_i2c_write(uint8_t         reg_addr,
                                      const uint8_t  *reg_data,
                                      uint32_t        len,
                                      void           *intf_ptr);
void bme68x_delay_us(uint32_t period, void *intf_ptr);

#ifdef __cplusplus
}
#endif

#endif  // I2C_LINUX_H_