zephyr/drivers/sensor/max44009/max44009.h

34 lines
821 B
C

/*
* Copyright (c) 2016 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_DRIVERS_SENSOR_MAX44009_MAX44009_H_
#define ZEPHYR_DRIVERS_SENSOR_MAX44009_MAX44009_H_
#include <misc/util.h>
#define SYS_LOG_DOMAIN "MAX44009"
#define SYS_LOG_LEVEL CONFIG_SYS_LOG_SENSOR_LEVEL
#include <logging/sys_log.h>
#define MAX44009_I2C_ADDRESS CONFIG_MAX44009_I2C_ADDR
#define MAX44009_SAMPLING_CONTROL_BIT BIT(7)
#define MAX44009_CONTINUOUS_SAMPLING BIT(7)
#define MAX44009_SAMPLE_EXPONENT_SHIFT 12
#define MAX44009_MANTISSA_HIGH_NIBBLE_MASK 0xf00
#define MAX44009_MANTISSA_LOW_NIBBLE_MASK 0xf
#define MAX44009_REG_CONFIG 0x02
#define MAX44009_REG_LUX_HIGH_BYTE 0x03
#define MAX44009_REG_LUX_LOW_BYTE 0x04
struct max44009_data {
struct device *i2c;
u16_t sample;
};
#endif /* _SENSOR_MAX44009_ */