1 /*
2  * Copyright (c) 2018 Linaro Limited
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  */
6 
7 #include <zephyr/kernel.h>
8 #include <zephyr/device.h>
9 #include <zephyr/drivers/sensor.h>
10 #include <stdio.h>
11 #include <zephyr/sys/util.h>
12 
13 #ifdef CONFIG_LIS3MDL_TRIGGER
14 static int lis3mdl_trig_cnt;
15 
lis3mdl_trigger_handler(const struct device * dev,const struct sensor_trigger * trig)16 static void lis3mdl_trigger_handler(const struct device *dev,
17 				    const struct sensor_trigger *trig)
18 {
19 	sensor_sample_fetch_chan(dev, trig->chan);
20 	lis3mdl_trig_cnt++;
21 }
22 #endif
23 
main(void)24 int main(void)
25 {
26 	struct sensor_value temp, hum, press;
27 	struct sensor_value magn_xyz[3], accel_xyz[3];
28 	const struct device *const hts221 = DEVICE_DT_GET_ONE(st_hts221);
29 	const struct device *const lis3mdl = DEVICE_DT_GET_ONE(st_lis3mdl_magn);
30 	const struct device *const lsm6ds0 = DEVICE_DT_GET_ONE(st_lsm6ds0);
31 	const struct device *const lps25hb = DEVICE_DT_GET_ONE(st_lps25hb_press);
32 #if defined(CONFIG_LIS3MDL_TRIGGER)
33 	struct sensor_trigger trig;
34 	int cnt = 1;
35 #endif
36 
37 	if (!device_is_ready(hts221)) {
38 		printk("%s: device not ready.\n", hts221->name);
39 		return 0;
40 	}
41 	if (!device_is_ready(lis3mdl)) {
42 		printk("%s: device not ready.\n", lis3mdl->name);
43 		return 0;
44 	}
45 	if (!device_is_ready(lsm6ds0)) {
46 		printk("%s: device not ready.\n", lsm6ds0->name);
47 		return 0;
48 	}
49 	if (!device_is_ready(lps25hb)) {
50 		printk("%s: device not ready.\n", lps25hb->name);
51 		return 0;
52 	}
53 
54 #ifdef CONFIG_LIS3MDL_TRIGGER
55 	trig.type = SENSOR_TRIG_DATA_READY;
56 	trig.chan = SENSOR_CHAN_MAGN_XYZ;
57 	sensor_trigger_set(lis3mdl, &trig, lis3mdl_trigger_handler);
58 #endif
59 
60 	while (1) {
61 
62 		/* Get sensor samples */
63 
64 		if (sensor_sample_fetch(hts221) < 0) {
65 			printf("HTS221 Sensor sample update error\n");
66 			return 0;
67 		}
68 		if (sensor_sample_fetch(lps25hb) < 0) {
69 			printf("LPS25HB Sensor sample update error\n");
70 			return 0;
71 		}
72 #ifndef CONFIG_LIS3MDL_TRIGGER
73 		if (sensor_sample_fetch(lis3mdl) < 0) {
74 			printf("LIS3MDL Sensor sample update error\n");
75 			return 0;
76 		}
77 #endif
78 		if (sensor_sample_fetch(lsm6ds0) < 0) {
79 			printf("LSM6DS0 Sensor sample update error\n");
80 			return 0;
81 		}
82 
83 		/* Get sensor data */
84 
85 		sensor_channel_get(hts221, SENSOR_CHAN_AMBIENT_TEMP, &temp);
86 		sensor_channel_get(hts221, SENSOR_CHAN_HUMIDITY, &hum);
87 		sensor_channel_get(lps25hb, SENSOR_CHAN_PRESS, &press);
88 		sensor_channel_get(lis3mdl, SENSOR_CHAN_MAGN_XYZ, magn_xyz);
89 		sensor_channel_get(lsm6ds0, SENSOR_CHAN_ACCEL_XYZ, accel_xyz);
90 
91 		/* Display sensor data */
92 
93 		/* Erase previous */
94 		printf("\0033\014");
95 
96 		printf("X-NUCLEO-IKS01A1 sensor dashboard\n\n");
97 
98 		/* temperature */
99 		printf("HTS221: Temperature: %.1f C\n",
100 		       sensor_value_to_double(&temp));
101 
102 		/* humidity */
103 		printf("HTS221: Relative Humidity: %.1f%%\n",
104 		       sensor_value_to_double(&hum));
105 
106 		/* pressure */
107 		printf("LPS25HB: Pressure:%.1f kpa\n",
108 		       sensor_value_to_double(&press));
109 
110 		/* magneto data */
111 		printf(
112 		 "LIS3MDL: Magnetic field (gauss): x: %.1f, y: %.1f, z: %.1f\n",
113 		 sensor_value_to_double(&magn_xyz[0]),
114 		 sensor_value_to_double(&magn_xyz[1]),
115 		 sensor_value_to_double(&magn_xyz[2]));
116 
117 		/* acceleration */
118 		printf(
119 		   "LSM6DS0: Acceleration (m.s-2): x: %.1f, y: %.1f, z: %.1f\n",
120 		   sensor_value_to_double(&accel_xyz[0]),
121 		   sensor_value_to_double(&accel_xyz[1]),
122 		   sensor_value_to_double(&accel_xyz[2]));
123 
124 
125 #if defined(CONFIG_LIS3MDL_TRIGGER)
126 		printk("%d:: lis3mdl trig %d\n", cnt, lis3mdl_trig_cnt);
127 		cnt++;
128 #endif
129 
130 		k_sleep(K_MSEC(2000));
131 	}
132 }
133