/
main.c
105 lines (85 loc) · 1.91 KB
/
main.c
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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
/*
* Copyright (c) 2018 Savoir-Faire Linux.
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <device.h>
#include <errno.h>
#include <led.h>
#include <misc/util.h>
#include <zephyr.h>
#define SYS_LOG_LEVEL SYS_LOG_LEVEL_DEBUG
#include <logging/sys_log.h>
#define LED_DEV_NAME CONFIG_PCA9633_DEV_NAME
#define NUM_LEDS 4
#define MAX_BRIGHTNESS 100
#define HALF_BRIGHTNESS (MAX_BRIGHTNESS / 2)
#define BLINK_DELAY_ON 500
#define BLINK_DELAY_OFF 500
#define DELAY_TIME K_MSEC(1000)
void main(void)
{
struct device *led_dev;
int i, ret;
led_dev = device_get_binding(LED_DEV_NAME);
if (led_dev) {
SYS_LOG_INF("Found LED device %s", LED_DEV_NAME);
} else {
SYS_LOG_ERR("LED device %s not found", LED_DEV_NAME);
return;
}
SYS_LOG_INF("Testing leds");
while (1) {
/* Turn on LEDs one by one */
for (i = 0; i < NUM_LEDS; i++) {
ret = led_on(led_dev, i);
if (ret < 0) {
return;
}
k_sleep(DELAY_TIME);
}
/* Turn off LEDs one by one */
for (i = 0; i < NUM_LEDS; i++) {
ret = led_off(led_dev, i);
if (ret < 0) {
return;
}
k_sleep(DELAY_TIME);
}
/* Set the brightness to half max of LEDs one by one */
for (i = 0; i < NUM_LEDS; i++) {
ret = led_set_brightness(led_dev, i, HALF_BRIGHTNESS);
if (ret < 0) {
return;
}
k_sleep(DELAY_TIME);
}
/* Turn off LEDs one by one */
for (i = 0; i < NUM_LEDS; i++) {
ret = led_off(led_dev, i);
if (ret < 0) {
return;
}
k_sleep(DELAY_TIME);
}
/* Test the blinking of LEDs one by one */
for (i = 0; i < NUM_LEDS; i++) {
ret = led_blink(led_dev, i, BLINK_DELAY_ON,
BLINK_DELAY_OFF);
if (ret < 0) {
return;
}
k_sleep(DELAY_TIME);
}
/* Wait a few blinking before turning off the LEDs */
k_sleep(DELAY_TIME * 10);
/* Turn off LEDs one by one */
for (i = 0; i < NUM_LEDS; i++) {
ret = led_off(led_dev, i);
if (ret < 0) {
return;
}
k_sleep(DELAY_TIME);
}
}
}