drv_gas_sensor.h

/*
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  3. Neither the name of Nordic Semiconductor ASA nor the names of its
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     software without specific prior written permission.

  4. This software, with or without modification, must only be used with a
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 */

#ifndef __DRV_GAS_SENSOR_H__
#define __DRV_GAS_SENSOR_H__

#include "nrf_drv_twi.h"
#include "drv_ccs811.h"
#include "drv_ccs811_bitfields.h"
#include "sdk_errors.h"

typedef drv_ccs811_alg_result_t drv_gas_sensor_data_t;

typedef enum
{
    DRV_GAS_SENSOR_MODE_250MS,
    DRV_GAS_SENSOR_MODE_1S,
    DRV_GAS_SENSOR_MODE_10S,
    DRV_GAS_SENSOR_MODE_60S
} drv_gas_sensor_mode_t;

typedef void (*drv_gas_sensor_data_handler_t)(drv_gas_sensor_data_t const * p_evt);

typedef struct
{
    nrf_drv_twi_t         const * p_twi_instance;   
    nrf_drv_twi_config_t  const * p_twi_cfg;        
    uint8_t                       twi_addr;         
    drv_gas_sensor_data_handler_t data_handler;     
} drv_gas_init_t;


ret_code_t drv_gas_sensor_calibrate_humid_temp(uint16_t rh_ppth, int32_t temp_mdeg);


ret_code_t drv_gas_sensor_baseline_get(uint16_t * p_baseline);

ret_code_t drv_gas_sensor_baseline_set(uint16_t baseline);


ret_code_t drv_gas_sensor_raw_data_get(uint8_t * p_current_selected, uint16_t * p_raw_adc_reading);

ret_code_t drv_gas_sensor_start(drv_gas_sensor_mode_t mode);

ret_code_t drv_gas_sensor_stop(void);

ret_code_t drv_gas_sensor_init(drv_gas_init_t * p_init);

#endif