blob: 5c89f72231095044e21913b5b24595db3690bdaa [file] [log] [blame]
/*
* Copyright (c) 2017 Phytec Messtechnik GmbH
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef _SENSOR_AMG88XX
#define _SENSOR_AMG88XX
#include <device.h>
#include <gpio.h>
#include <misc/util.h>
#define AMG88XX_I2C_ADDRESS CONFIG_AMG88XX_I2C_ADDR
#define AMG88XX_PCLT 0x00 /* Setting Power control register */
#define AMG88XX_RST 0x01 /* Reset register */
#define AMG88XX_FPSC 0x02 /* Setting frame rate register */
#define AMG88XX_INTC 0x03 /* Setting interrupt control register */
#define AMG88XX_STAT 0x04 /* Status register */
#define AMG88XX_SCLR 0x05 /* Status clear register */
#define AMG88XX_AVE 0x07 /* Setting verage register */
#define AMG88XX_INTHL 0x08 /* Interrupt level upper limit [7:0] */
#define AMG88XX_INTHH 0x09 /* Interrupt level upper limit [11:8] */
#define AMG88XX_INTLL 0x0a /* Interrupt level lower limit [7:0] */
#define AMG88XX_INTLH 0x0b /* Interrupt level lower limit [11:8] */
#define AMG88XX_INTSL 0x0c /* Interrupt hysteresis level [7:0] */
#define AMG88XX_INTSH 0x0d /* Interrupt hysteresis level [11:8] */
#define AMG88XX_TTHL 0x0e /* Thermistor temperature data [7:0] */
#define AMG88XX_TTHH 0x0f /* Thermistor temperature data [10:8] */
#define AMG88XX_INT0 0x10 /* Pixel 1..8 Interrupt Result */
#define AMG88XX_INT1 0x11 /* Pixel 9..16 Interrupt Result */
#define AMG88XX_INT2 0x12 /* Pixel 17..24 Interrupt Result */
#define AMG88XX_INT3 0x13 /* Pixel 25..32 Interrupt Result */
#define AMG88XX_INT4 0x14 /* Pixel 33..40 Interrupt Result */
#define AMG88XX_INT5 0x15 /* Pixel 41..48 Interrupt Result */
#define AMG88XX_INT6 0x16 /* Pixel 49..56 Interrupt Result */
#define AMG88XX_INT7 0x17 /* Pixel 57..64 Interrupt Result */
#define AMG88XX_OUTPUT_BASE 0x80 /* Base address for the output values */
#define AMG88XX_PCLT_NORMAL_MODE 0x00
#define AMG88XX_PCLT_SLEEEP_MODE 0x10
#define AMG88XX_PCLT_STAND_BY_60S_MODE 0x20
#define AMG88XX_PCLT_STAND_BY_10S_MODE 0x21
#define AMG88XX_RST_FLAG_RST 0x30
#define AMG88XX_RST_INITIAL_RST 0x3F
#define AMG88XX_FPSC_10FPS 0x00
#define AMG88XX_FPSC_1FPS 0x01
#define AMG88XX_INTC_DISABLED 0x00
#define AMG88XX_INTC_DIFF_MODE 0x01
#define AMG88XX_INTC_ABS_MODE 0x03
#define AMG88XX_STAT_INTF_MASK 0x02
#define AMG88XX_STAT_OVF_IRS_MASK 0x04
#define AMG88XX_SCLR_INTCLR_MASK 0x02
#define AMG88XX_SCLR_OVS_CLR_MASK 0x04
#define AMG88XX_AVE_MAMOD_MASK 0x20
/* 1 LSB is equivalent to 0.25 degree Celsius scaled to micro degrees */
#define AMG88XX_TREG_LSB_SCALING 250000
#define AMG88XX_WAIT_MODE_CHANGE_US 50000
#define AMG88XX_WAIT_INITIAL_RESET_US 2000
struct amg88xx_data {
struct device *i2c;
s16_t sample[64];
#ifdef CONFIG_AMG88XX_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_AMG88XX_TRIGGER_OWN_THREAD)
K_THREAD_STACK_MEMBER(thread_stack, CONFIG_AMG88XX_THREAD_STACK_SIZE);
struct k_sem gpio_sem;
struct k_thread thread;
#elif defined(CONFIG_AMG88XX_TRIGGER_GLOBAL_THREAD)
struct k_work work;
struct device *dev;
#endif
#endif /* CONFIG_AMG88XX_TRIGGER */
};
static inline int amg88xx_reg_read(struct amg88xx_data *drv_data,
u8_t reg, u8_t *val)
{
return i2c_reg_read_byte(drv_data->i2c, CONFIG_AMG88XX_I2C_ADDR,
reg, val);
}
static inline int amg88xx_reg_write(struct amg88xx_data *drv_data,
u8_t reg, u8_t val)
{
return i2c_reg_write_byte(drv_data->i2c, CONFIG_AMG88XX_I2C_ADDR,
reg, val);
}
static inline int amg88xx_reg_update(struct amg88xx_data *drv_data, u8_t reg,
u8_t mask, u8_t val)
{
return i2c_reg_update_byte(drv_data->i2c, CONFIG_AMG88XX_I2C_ADDR,
reg, mask, val);
}
#ifdef CONFIG_AMG88XX_TRIGGER
int amg88xx_reg_read(struct amg88xx_data *drv_data, u8_t reg, u8_t *val);
int amg88xx_reg_write(struct amg88xx_data *drv_data, u8_t reg, u8_t val);
int amg88xx_reg_update(struct amg88xx_data *drv_data, u8_t reg,
u8_t mask, u8_t val);
int amg88xx_attr_set(struct device *dev,
enum sensor_channel chan,
enum sensor_attribute attr,
const struct sensor_value *val);
int amg88xx_trigger_set(struct device *dev,
const struct sensor_trigger *trig,
sensor_trigger_handler_t handler);
int amg88xx_init_interrupt(struct device *dev);
#endif /* CONFIG_AMG88XX_TRIGGER */
#define SYS_LOG_DOMAIN "AMG88XX"
#define SYS_LOG_LEVEL CONFIG_SYS_LOG_SENSOR_LEVEL
#include <logging/sys_log.h>
#endif