mirror of
https://github.com/zephyrproject-rtos/zephyr
synced 2025-08-29 14:55:55 +00:00
a3488d13e0
Add device driver for MAX44009 light sensor Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX44009.pdf Jira: ZEP-357 Origin: Original Change-Id: I6b5c8e0afc36c22de0a6432d01cd5b7eb2e12f1b Signed-off-by: Baohong Liu <baohong.liu@intel.com>
48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
/*
|
|
* Copyright (c) 2016 Intel Corporation
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef _SENSOR_MAX44009
|
|
#define _SENSOR_MAX44009
|
|
|
|
#include <misc/util.h>
|
|
|
|
#define SYS_LOG_DOMAIN "MAX44009"
|
|
#define SYS_LOG_LEVEL CONFIG_MAX44009_SYS_LOG_LEVEL
|
|
#include <misc/sys_log.h>
|
|
|
|
#if CONFIG_MAX44009_I2C_ADDR_0
|
|
#define MAX44009_I2C_ADDRESS 0x4a
|
|
#elif CONFIG_MAX44009_I2C_ADDR_1
|
|
#define MAX44009_I2C_ADDRESS 0x4b
|
|
#endif
|
|
|
|
#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;
|
|
uint16_t sample;
|
|
};
|
|
|
|
#endif /* _SENSOR_MAX44009_ */
|