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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
/* Copyright 2014 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Test inductive charging module.
*/
#include "common.h"
#include "console.h"
#include "gpio.h"
#include "hooks.h"
#include "inductive_charging.h"
#include "lid_switch.h"
#include "test_util.h"
#include "timer.h"
#include "util.h"
#define START_CHARGE_DELAY 5000 /* ms */
#define TEST_CHECK_CHARGE_DELAY (START_CHARGE_DELAY + 500) /* ms */
static void wait_for_lid_debounce(void)
{
while (lid_is_open() != gpio_get_level(GPIO_LID_OPEN))
msleep(20);
}
static void set_lid_open(int lid_open)
{
gpio_set_level(GPIO_LID_OPEN, lid_open);
wait_for_lid_debounce();
}
static int test_lid(void)
{
/* Lid is open initially */
set_lid_open(1);
gpio_set_level(GPIO_CHARGE_DONE, 0);
TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 0);
/*
* Close the lid. The EC should wait for a second before
* enabling transmitter.
*/
set_lid_open(0);
TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 0);
msleep(TEST_CHECK_CHARGE_DELAY);
/* Transmitter should now be enabled. */
TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 1);
TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 1);
/* Open the lid. Charging should stop. */
set_lid_open(1);
msleep(TEST_CHECK_CHARGE_DELAY);
TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 0);
TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 0);
return EC_SUCCESS;
}
static int test_charge_done(void)
{
/* Close the lid to start charging */
set_lid_open(0);
msleep(TEST_CHECK_CHARGE_DELAY);
TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 1);
TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 1);
/* Charging is done. Stop charging, but don't turn off transmitter. */
gpio_set_level(GPIO_CHARGE_DONE, 1);
TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 1);
TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 0);
/* Oops, need charging again. */
gpio_set_level(GPIO_CHARGE_DONE, 0);
TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 1);
TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 1);
return EC_SUCCESS;
}
static int test_lid_open_during_charging(void)
{
/* Close the lid. Start charging. */
set_lid_open(0);
msleep(TEST_CHECK_CHARGE_DELAY);
gpio_set_level(GPIO_CHARGE_DONE, 0);
TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 1);
TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 1);
/* Open the lid. Transmitter should be turned off. */
set_lid_open(1);
msleep(TEST_CHECK_CHARGE_DELAY);
TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 0);
TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 0);
/* Toggle charge done signal. Charging should not start. */
gpio_set_level(GPIO_CHARGE_DONE, 1);
TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 0);
TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 0);
gpio_set_level(GPIO_CHARGE_DONE, 0);
TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 0);
TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 0);
return EC_SUCCESS;
}
static int test_clear_charge_done(void)
{
/* Lid is open initially. CHARGE_DONE is set. */
set_lid_open(1);
msleep(TEST_CHECK_CHARGE_DELAY);
gpio_set_level(GPIO_CHARGE_DONE, 1);
TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 0);
TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 0);
/* Close the lid. Charging should start. */
set_lid_open(0);
msleep(TEST_CHECK_CHARGE_DELAY);
TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 1);
TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 1);
gpio_set_level(GPIO_CHARGE_DONE, 0);
/* Charge is done. */
gpio_set_level(GPIO_CHARGE_DONE, 1);
TEST_ASSERT(gpio_get_level(GPIO_BASE_CHG_VDD_EN) == 1);
TEST_ASSERT(gpio_get_level(GPIO_CHARGE_EN) == 0);
return EC_SUCCESS;
}
void run_test(void)
{
test_reset();
RUN_TEST(test_lid);
RUN_TEST(test_charge_done);
RUN_TEST(test_lid_open_during_charging);
RUN_TEST(test_clear_charge_done);
test_print_result();
}
|
