120 lines
3.7 KiB
C
120 lines
3.7 KiB
C
/*
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* Copyright (c) 2017-2019 Phytec Messtechnik GmbH
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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_AMG88XX_AMG88XX_H_
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#define ZEPHYR_DRIVERS_SENSOR_AMG88XX_AMG88XX_H_
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#include <device.h>
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#include <drivers/gpio.h>
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#include <sys/util.h>
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#define AMG88XX_PCLT 0x00 /* Setting Power control register */
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#define AMG88XX_RST 0x01 /* Reset register */
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#define AMG88XX_FPSC 0x02 /* Setting frame rate register */
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#define AMG88XX_INTC 0x03 /* Setting interrupt control register */
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#define AMG88XX_STAT 0x04 /* Status register */
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#define AMG88XX_SCLR 0x05 /* Status clear register */
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#define AMG88XX_AVE 0x07 /* Setting verage register */
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#define AMG88XX_INTHL 0x08 /* Interrupt level upper limit [7:0] */
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#define AMG88XX_INTHH 0x09 /* Interrupt level upper limit [11:8] */
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#define AMG88XX_INTLL 0x0a /* Interrupt level lower limit [7:0] */
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#define AMG88XX_INTLH 0x0b /* Interrupt level lower limit [11:8] */
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#define AMG88XX_INTSL 0x0c /* Interrupt hysteresis level [7:0] */
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#define AMG88XX_INTSH 0x0d /* Interrupt hysteresis level [11:8] */
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#define AMG88XX_TTHL 0x0e /* Thermistor temperature data [7:0] */
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#define AMG88XX_TTHH 0x0f /* Thermistor temperature data [10:8] */
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#define AMG88XX_INT0 0x10 /* Pixel 1..8 Interrupt Result */
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#define AMG88XX_INT1 0x11 /* Pixel 9..16 Interrupt Result */
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#define AMG88XX_INT2 0x12 /* Pixel 17..24 Interrupt Result */
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#define AMG88XX_INT3 0x13 /* Pixel 25..32 Interrupt Result */
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#define AMG88XX_INT4 0x14 /* Pixel 33..40 Interrupt Result */
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#define AMG88XX_INT5 0x15 /* Pixel 41..48 Interrupt Result */
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#define AMG88XX_INT6 0x16 /* Pixel 49..56 Interrupt Result */
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#define AMG88XX_INT7 0x17 /* Pixel 57..64 Interrupt Result */
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#define AMG88XX_OUTPUT_BASE 0x80 /* Base address for the output values */
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#define AMG88XX_PCLT_NORMAL_MODE 0x00
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#define AMG88XX_PCLT_SLEEEP_MODE 0x10
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#define AMG88XX_PCLT_STAND_BY_60S_MODE 0x20
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#define AMG88XX_PCLT_STAND_BY_10S_MODE 0x21
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#define AMG88XX_RST_FLAG_RST 0x30
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#define AMG88XX_RST_INITIAL_RST 0x3F
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#define AMG88XX_FPSC_10FPS 0x00
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#define AMG88XX_FPSC_1FPS 0x01
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#define AMG88XX_INTC_DISABLED 0x00
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#define AMG88XX_INTC_DIFF_MODE 0x01
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#define AMG88XX_INTC_ABS_MODE 0x03
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#define AMG88XX_STAT_INTF_MASK 0x02
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#define AMG88XX_STAT_OVF_IRS_MASK 0x04
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#define AMG88XX_SCLR_INTCLR_MASK 0x02
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#define AMG88XX_SCLR_OVS_CLR_MASK 0x04
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#define AMG88XX_AVE_MAMOD_MASK 0x20
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/* 1 LSB is equivalent to 0.25 degree Celsius scaled to micro degrees */
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#define AMG88XX_TREG_LSB_SCALING 250000
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#define AMG88XX_WAIT_MODE_CHANGE_US 50000
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#define AMG88XX_WAIT_INITIAL_RESET_US 2000
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struct amg88xx_config {
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char *i2c_name;
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#ifdef CONFIG_AMG88XX_TRIGGER
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char *gpio_name;
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uint8_t gpio_pin;
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gpio_dt_flags_t gpio_flags;
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#endif
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uint8_t i2c_address;
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};
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struct amg88xx_data {
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const struct device *i2c;
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int16_t sample[64];
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#ifdef CONFIG_AMG88XX_TRIGGER
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const struct device *dev;
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const struct device *gpio;
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uint8_t gpio_pin;
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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_AMG88XX_TRIGGER_OWN_THREAD)
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K_KERNEL_STACK_MEMBER(thread_stack, CONFIG_AMG88XX_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_AMG88XX_TRIGGER_GLOBAL_THREAD)
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struct k_work work;
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#endif
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#endif /* CONFIG_AMG88XX_TRIGGER */
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};
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#ifdef CONFIG_AMG88XX_TRIGGER
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int amg88xx_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 amg88xx_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 amg88xx_init_interrupt(const struct device *dev);
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#endif /* CONFIG_AMG88XX_TRIGGER */
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#endif
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