95 lines
2.6 KiB
C
95 lines
2.6 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_TMP007
|
|
#define _SENSOR_TMP007
|
|
|
|
#include <device.h>
|
|
#include <gpio.h>
|
|
#include <misc/util.h>
|
|
|
|
#define TMP007_I2C_ADDRESS CONFIG_TMP007_I2C_ADDR
|
|
|
|
#define TMP007_REG_CONFIG 0x02
|
|
#define TMP007_ALERT_EN_BIT BIT(8)
|
|
|
|
#define TMP007_REG_TOBJ 0x03
|
|
#define TMP007_DATA_INVALID_BIT BIT(0)
|
|
|
|
#define TMP007_REG_STATUS 0x04
|
|
#define TMP007_DATA_READY_INT_BIT BIT(14)
|
|
#define TMP007_TOBJ_TH_HIGH_INT_BIT BIT(13)
|
|
#define TMP007_TOBJ_TH_LOW_INT_BIT BIT(12)
|
|
#define TMP007_TOBJ_TH_INT_BITS \
|
|
(TMP007_TOBJ_TH_HIGH_INT_BIT | TMP007_TOBJ_TH_LOW_INT_BIT)
|
|
|
|
#define TMP007_REG_TOBJ_TH_HIGH 0x06
|
|
#define TMP007_REG_TOBJ_TH_LOW 0x07
|
|
|
|
/* scale in micro degrees Celsius */
|
|
#define TMP007_TEMP_SCALE 31250
|
|
#define TMP007_TEMP_TH_SCALE 500000
|
|
|
|
struct tmp007_data {
|
|
struct device *i2c;
|
|
int16_t sample;
|
|
|
|
#ifdef CONFIG_TMP007_TRIGGER
|
|
struct device *gpio;
|
|
struct gpio_callback gpio_cb;
|
|
|
|
sensor_trigger_handler_t drdy_handler;
|
|
struct sensor_trigger drdy_trigger;
|
|
|
|
sensor_trigger_handler_t th_handler;
|
|
struct sensor_trigger th_trigger;
|
|
|
|
#if defined(CONFIG_TMP007_TRIGGER_OWN_THREAD)
|
|
char __stack thread_stack[CONFIG_TMP007_THREAD_STACK_SIZE];
|
|
struct k_sem gpio_sem;
|
|
#elif defined(CONFIG_TMP007_TRIGGER_GLOBAL_THREAD)
|
|
struct k_work work;
|
|
struct device *dev;
|
|
#endif
|
|
|
|
#endif /* CONFIG_TMP007_TRIGGER */
|
|
};
|
|
|
|
#ifdef CONFIG_TMP007_TRIGGER
|
|
int tmp007_reg_read(struct tmp007_data *drv_data, uint8_t reg, uint16_t *val);
|
|
|
|
int tmp007_reg_write(struct tmp007_data *drv_data, uint8_t reg, uint16_t val);
|
|
|
|
int tmp007_reg_update(struct tmp007_data *drv_data, uint8_t reg,
|
|
uint16_t mask, uint16_t val);
|
|
|
|
int tmp007_attr_set(struct device *dev,
|
|
enum sensor_channel chan,
|
|
enum sensor_attribute attr,
|
|
const struct sensor_value *val);
|
|
|
|
int tmp007_trigger_set(struct device *dev,
|
|
const struct sensor_trigger *trig,
|
|
sensor_trigger_handler_t handler);
|
|
|
|
int tmp007_init_interrupt(struct device *dev);
|
|
#endif
|
|
|
|
#define SYS_LOG_DOMAIN "TMP007"
|
|
#define SYS_LOG_LEVEL CONFIG_SYS_LOG_SENSOR_LEVEL
|
|
#include <misc/sys_log.h>
|
|
#endif /* _SENSOR_TMP007_ */
|