1 /*
2 * Copyright (c) 2018 Phytec Messtechnik GmbH
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <zephyr/device.h>
8 #include <zephyr/drivers/gpio.h>
9 #include <zephyr/drivers/i2c.h>
10 #include <zephyr/sys/util.h>
11 #include <zephyr/kernel.h>
12 #include <zephyr/drivers/sensor.h>
13 #include "apds9960.h"
14
15 extern struct apds9960_data apds9960_driver;
16
17 #include <zephyr/logging/log.h>
18 LOG_MODULE_DECLARE(APDS9960, CONFIG_SENSOR_LOG_LEVEL);
19
apds9960_work_cb(struct k_work * work)20 void apds9960_work_cb(struct k_work *work)
21 {
22 struct apds9960_data *data = CONTAINER_OF(work,
23 struct apds9960_data,
24 work);
25 const struct device *dev = data->dev;
26
27 if (data->p_th_handler != NULL) {
28 data->p_th_handler(dev, data->p_th_trigger);
29 }
30
31 apds9960_setup_int(dev->config, true);
32 }
33
apds9960_attr_set(const struct device * dev,enum sensor_channel chan,enum sensor_attribute attr,const struct sensor_value * val)34 int apds9960_attr_set(const struct device *dev,
35 enum sensor_channel chan,
36 enum sensor_attribute attr,
37 const struct sensor_value *val)
38 {
39 const struct apds9960_config *config = dev->config;
40
41 if (chan == SENSOR_CHAN_PROX) {
42 if (attr == SENSOR_ATTR_UPPER_THRESH) {
43 if (i2c_reg_write_byte_dt(&config->i2c,
44 APDS9960_PIHT_REG,
45 (uint8_t)val->val1)) {
46 return -EIO;
47 }
48
49 return 0;
50 }
51 if (attr == SENSOR_ATTR_LOWER_THRESH) {
52 if (i2c_reg_write_byte_dt(&config->i2c,
53 APDS9960_PILT_REG,
54 (uint8_t)val->val1)) {
55 return -EIO;
56 }
57
58 return 0;
59 }
60 }
61
62 return -ENOTSUP;
63 }
64
apds9960_trigger_set(const struct device * dev,const struct sensor_trigger * trig,sensor_trigger_handler_t handler)65 int apds9960_trigger_set(const struct device *dev,
66 const struct sensor_trigger *trig,
67 sensor_trigger_handler_t handler)
68 {
69 const struct apds9960_config *config = dev->config;
70 struct apds9960_data *data = dev->data;
71
72 apds9960_setup_int(dev->config, false);
73
74 switch (trig->type) {
75 case SENSOR_TRIG_THRESHOLD:
76 if (trig->chan == SENSOR_CHAN_PROX) {
77 data->p_th_handler = handler;
78 data->p_th_trigger = trig;
79 if (i2c_reg_update_byte_dt(&config->i2c,
80 APDS9960_ENABLE_REG,
81 APDS9960_ENABLE_PIEN,
82 APDS9960_ENABLE_PIEN)) {
83 return -EIO;
84 }
85 } else {
86 return -ENOTSUP;
87 }
88 break;
89 default:
90 LOG_ERR("Unsupported sensor trigger");
91 return -ENOTSUP;
92 }
93
94 apds9960_setup_int(config, true);
95 if (gpio_pin_get_dt(&config->int_gpio) > 0) {
96 k_work_submit(&data->work);
97 }
98
99 return 0;
100 }
101
