main.c
1.59 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
/*
* Copyright (C) 2017 Koen Zandberg <koen@bergzand.net>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup tests
* @{
*
* @file
* @brief Test application for the jc42 sensor driver
*
* @author Koen Zandberg <koen@bergzand.net>
*
* @}
*/
#ifndef TEST_I2C
#error "TEST_I2C not defined"
#endif
#ifndef TEST_I2C_ADDR
#error "TEST_I2C_ADDR not defined"
#endif
#ifndef TEST_I2C_SPEED
#error "TEST_I2C_SPEED not defined"
#endif
#include <stdio.h>
#include "xtimer.h"
#include "periph/i2c.h"
#include "jc42.h"
int main(void)
{
jc42_t dev;
jc42_params_t params = {
.i2c = TEST_I2C,
.addr = TEST_I2C_ADDR,
.speed = TEST_I2C_SPEED,
};
puts("JC42 temperature sensor test application\n");
/* initialize the sensor */
printf("Initializing sensor...");
if (jc42_init(&dev, ¶ms) == 0) {
puts("[OK]");
}
else {
puts("[Failed]");
return 1;
}
/* read temperature every 1 seconds */
int16_t temperature;
while (1) {
printf("Testing sensor communication...");
if (jc42_get_temperature(&dev, &temperature) == 0) {
puts("[OK]");
}
else {
puts("[Failed]");
return 1;
}
/* display results */
printf("temperature: %d.%02d C\n", temperature / 100, temperature % 100);
/* sleep between measurements */
xtimer_usleep(1000 * US_PER_MS);
}
return 0;
}