1 /*
2 * Copyright (C) 2015-2017 Alibaba Group Holding Limited
3 */
4
5 #include <stdio.h>
6 #include <stdint.h>
7 #include <string.h>
8 #include <stdlib.h>
9
10 #include "aos/kernel.h"
11 #include "aos/hal/pwm.h"
12 #include "pwm_test.h"
13
14 #define PWM_TESTCASE_NUM 10
15
16 pwm_dev_t pwm_dev;
17 pwm_config_t config;
18
19 pwm_config_t testsace_config[PWM_TESTCASE_NUM] = {{.freq = 1000, .duty_cycle = 0.5f},
20 {.freq = 1000, .duty_cycle = 0.0f},
21 {.freq = 1000, .duty_cycle = 0.3f},
22 {.freq = 1000, .duty_cycle = 0.7f},
23 {.freq = 1000, .duty_cycle = 1.0f},
24 {.freq = 2000, .duty_cycle = 0.5f},
25 {.freq = 2000, .duty_cycle = 0.0f},
26 {.freq = 2000, .duty_cycle = 0.3f},
27 {.freq = 2000, .duty_cycle = 0.7f},
28 {.freq = 2000, .duty_cycle = 1.0f}};
29
hal_pwm_test_init(void)30 void hal_pwm_test_init(void)
31 {
32 int i = 0;
33
34 printf("*********** pwm test start ! ***********\n");
35
36 printf("enter the testcase you want to test: \n");
37 printf("for example: enter \"pwm_testcase1\" to test frequence 1000hz duty_cycle 50%%\n");
38
39 for (i = 0; i < PWM_TESTCASE_NUM; ++i) {
40 printf("pwm_testcase%d [frequence:%dhz duty_cycle:%d%% ]\n",(i + 1) ,testsace_config[i].freq, (int)(testsace_config[i].duty_cycle * 100));
41 }
42 }
43
hal_pwm_test_output(char * msg)44 void hal_pwm_test_output(char *msg)
45 {
46 int ret = -1;
47 int num = 0;
48
49 num = atoi(msg);
50
51 if (num > PWM_TESTCASE_NUM) {
52 printf("testcase number error !\n");
53 return;
54 }
55
56 printf("pwm output frequence: %dhz duty_cycle: %d%%\n", testsace_config[num - 1].freq, (int)(testsace_config[num - 1].duty_cycle * 100));
57
58 hal_pwm_stop(&pwm_dev);
59
60 pwm_dev.port = PORT_PWM_TEST;
61 pwm_dev.config.freq = testsace_config[num - 1].freq;
62 pwm_dev.config.duty_cycle = testsace_config[num - 1].duty_cycle;
63 ret = hal_pwm_init(&pwm_dev);
64 if (ret != 0) {
65 printf("hal_pwm_init error !\n");
66 return;
67 }
68
69 hal_pwm_start(&pwm_dev);
70
71 printf("please observe the output waveform through the oscilloscope to judge whether it is correct ！\n");
72 }
73
hal_pwm_test_finalize(void)74 void hal_pwm_test_finalize(void)
75 {
76 int ret = -1;
77
78 ret = hal_pwm_finalize(&pwm_dev);
79 if (ret != 0) {
80 printf("hal_pwm_finalize error !\n");
81 return;
82 }
83
84 printf("pwm test result: succeed !\n");
85
86 printf("*********** pwm test end ! ***********\n");
87 }
88