summaryrefslogtreecommitdiffstats
path: root/tmk_core/common/chibios/suspend.c
blob: c0f9c28d443dee4679c6d853243278c231bd5d03 (plain)
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
/* TODO */

#include "ch.h"
#include "hal.h"

#include "matrix.h"
#include "action.h"
#include "action_util.h"
#include "mousekey.h"
#include "host.h"
#include "suspend.h"
#include "wait.h"

#ifdef BACKLIGHT_ENABLE
#    include "backlight.h"
#endif

/** \brief suspend idle
 *
 * FIXME: needs doc
 */
void suspend_idle(uint8_t time) {
    // TODO: this is not used anywhere - what units is 'time' in?
    wait_ms(time);
}

/** \brief Run keyboard level Power down
 *
 * FIXME: needs doc
 */
__attribute__((weak)) void suspend_power_down_user(void) {}
/** \brief Run keyboard level Power down
 *
 * FIXME: needs doc
 */
__attribute__((weak)) void suspend_power_down_kb(void) { suspend_power_down_user(); }

/** \brief suspend power down
 *
 * FIXME: needs doc
 */
void suspend_power_down(void) {
    // TODO: figure out what to power down and how
    // shouldn't power down TPM/FTM if we want a breathing LED
    // also shouldn't power down USB

    suspend_power_down_kb();
    // on AVR, this enables the watchdog for 15ms (max), and goes to
    // SLEEP_MODE_PWR_DOWN

    wait_ms(17);
}

/** \brief suspend wakeup condition
 *
 * FIXME: needs doc
 */
__attribute__((weak)) void matrix_power_up(void) {}
__attribute__((weak)) void matrix_power_down(void) {}
bool                       suspend_wakeup_condition(void) {
    matrix_power_up();
    matrix_scan();
    matrix_power_down();
    for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
        if (matrix_get_row(r)) return true;
    }
    return false;
}

/** \brief run user level code immediately after wakeup
 *
 * FIXME: needs doc
 */
__attribute__((weak)) void suspend_wakeup_init_user(void) {}

/** \brief run keyboard level code immediately after wakeup
 *
 * FIXME: needs doc
 */
__attribute__((weak)) void suspend_wakeup_init_kb(void) { suspend_wakeup_init_user(); }

/** \brief suspend wakeup condition
 *
 * run immediately after wakeup
 * FIXME: needs doc
 */
void suspend_wakeup_init(void) {
    // clear keyboard state
    // need to do it manually, because we're running from ISR
    //  and clear_keyboard() calls print
    // so only clear the variables in memory
    // the reports will be sent from main.c afterwards
    // or if the PC asks for GET_REPORT
    clear_mods();
    clear_weak_mods();
    clear_keys();
#ifdef MOUSEKEY_ENABLE
    mousekey_clear();
#endif /* MOUSEKEY_ENABLE */
#ifdef EXTRAKEY_ENABLE
    host_system_send(0);
    host_consumer_send(0);
#endif /* EXTRAKEY_ENABLE */
#ifdef BACKLIGHT_ENABLE
    backlight_init();
#endif /* BACKLIGHT_ENABLE */
    suspend_wakeup_init_kb();
}