e43edc95d5
Fixes the tmp007 sensor driver to store the user-supplied sensor trigger as a pointer rather than a copy. This enables the trigger handler to use CONTAINER_OF to retrieve a context pointer when the trigger is embedded in a larger struct. Signed-off-by: Maureen Helm <maureen.helm@intel.com>
87 lines
2.2 KiB
C
87 lines
2.2 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 ZEPHYR_DRIVERS_SENSOR_TMP007_TMP007_H_
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#define ZEPHYR_DRIVERS_SENSOR_TMP007_TMP007_H_
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#include <zephyr/device.h>
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#include <zephyr/drivers/i2c.h>
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#include <zephyr/drivers/gpio.h>
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#include <zephyr/sys/util.h>
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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_config {
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struct i2c_dt_spec i2c;
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#ifdef CONFIG_TMP007_TRIGGER
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struct gpio_dt_spec int_gpio;
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#endif
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};
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struct tmp007_data {
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int16_t sample;
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#ifdef CONFIG_TMP007_TRIGGER
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struct gpio_callback gpio_cb;
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const struct device *dev;
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sensor_trigger_handler_t drdy_handler;
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const struct sensor_trigger *drdy_trigger;
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sensor_trigger_handler_t th_handler;
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const struct sensor_trigger *th_trigger;
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#if defined(CONFIG_TMP007_TRIGGER_OWN_THREAD)
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K_KERNEL_STACK_MEMBER(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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#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(const struct i2c_dt_spec *i2c, uint8_t reg, uint16_t *val);
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int tmp007_reg_write(const struct i2c_dt_spec *i2c, uint8_t reg, uint16_t val);
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int tmp007_reg_update(const struct i2c_dt_spec *i2c, uint8_t reg,
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uint16_t mask, uint16_t val);
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int tmp007_attr_set(const 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(const 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(const struct device *dev);
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#endif
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#endif /* _SENSOR_TMP007_ */
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