86 lines
2.1 KiB
C
86 lines
2.1 KiB
C
/*
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* Copyright (c) 2016 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef _SENSOR_TMP007
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#define _SENSOR_TMP007
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#include <device.h>
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#include <gpio.h>
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#include <misc/util.h>
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#define TMP007_I2C_ADDRESS CONFIG_TMP007_I2C_ADDR
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#define TMP007_REG_CONFIG 0x02
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#define TMP007_ALERT_EN_BIT BIT(8)
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#define TMP007_REG_TOBJ 0x03
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#define TMP007_DATA_INVALID_BIT BIT(0)
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#define TMP007_REG_STATUS 0x04
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#define TMP007_DATA_READY_INT_BIT BIT(14)
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#define TMP007_TOBJ_TH_HIGH_INT_BIT BIT(13)
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#define TMP007_TOBJ_TH_LOW_INT_BIT BIT(12)
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#define TMP007_TOBJ_TH_INT_BITS \
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(TMP007_TOBJ_TH_HIGH_INT_BIT | TMP007_TOBJ_TH_LOW_INT_BIT)
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#define TMP007_REG_TOBJ_TH_HIGH 0x06
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#define TMP007_REG_TOBJ_TH_LOW 0x07
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/* scale in micro degrees Celsius */
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#define TMP007_TEMP_SCALE 31250
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#define TMP007_TEMP_TH_SCALE 500000
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struct tmp007_data {
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struct device *i2c;
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s16_t sample;
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#ifdef CONFIG_TMP007_TRIGGER
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struct device *gpio;
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struct gpio_callback gpio_cb;
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sensor_trigger_handler_t drdy_handler;
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struct sensor_trigger drdy_trigger;
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sensor_trigger_handler_t th_handler;
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struct sensor_trigger th_trigger;
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#if defined(CONFIG_TMP007_TRIGGER_OWN_THREAD)
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char __stack thread_stack[CONFIG_TMP007_THREAD_STACK_SIZE];
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struct k_sem gpio_sem;
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struct k_thread thread;
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#elif defined(CONFIG_TMP007_TRIGGER_GLOBAL_THREAD)
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struct k_work work;
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struct device *dev;
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#endif
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#endif /* CONFIG_TMP007_TRIGGER */
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};
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#ifdef CONFIG_TMP007_TRIGGER
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int tmp007_reg_read(struct tmp007_data *drv_data, u8_t reg, u16_t *val);
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int tmp007_reg_write(struct tmp007_data *drv_data, u8_t reg, u16_t val);
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int tmp007_reg_update(struct tmp007_data *drv_data, u8_t reg,
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u16_t mask, u16_t val);
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int tmp007_attr_set(struct device *dev,
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enum sensor_channel chan,
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enum sensor_attribute attr,
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const struct sensor_value *val);
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int tmp007_trigger_set(struct device *dev,
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const struct sensor_trigger *trig,
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sensor_trigger_handler_t handler);
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int tmp007_init_interrupt(struct device *dev);
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#endif
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#define SYS_LOG_DOMAIN "TMP007"
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#define SYS_LOG_LEVEL CONFIG_SYS_LOG_SENSOR_LEVEL
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#include <logging/sys_log.h>
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#endif /* _SENSOR_TMP007_ */
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