summaryrefslogtreecommitdiffstats
path: root/users/drashna/split/transport_sync.c
blob: 539a18900c678b640a5c2365a253f1c46bcbd175 (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
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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
// Copyright 2020 Christopher Courtney, aka Drashna Jael're  (@drashna) <drashna@live.com>
// SPDX-License-Identifier: GPL-2.0-or-later

#include "transport_sync.h"
#include "transactions.h"
#include <string.h>
#ifdef __AVR__
#    include <avr/wdt.h>
#endif

#ifdef UNICODE_COMMON_ENABLE
#    include "process_unicode_common.h"
extern unicode_config_t unicode_config;
#endif
#ifdef AUDIO_ENABLE
#    include "audio.h"
extern audio_config_t audio_config;
extern bool           delayed_tasks_run;
#endif
#if defined(POINTING_DEVICE_ENABLE) && defined(KEYBOARD_handwired_tractyl_manuform)
extern bool tap_toggling;
#endif
#ifdef SWAP_HANDS_ENABLE
extern bool swap_hands;
#endif

#if defined(SPLIT_WATCHDOG_TIMEOUT)
static bool     watchdog_ping_done = false;
static uint32_t watchdog_timer     = 0;
#endif

extern userspace_config_t userspace_config;
extern bool               host_driver_disabled;

uint16_t transport_keymap_config    = 0;
uint32_t transport_userspace_config = 0, transport_user_state = 0;

user_runtime_config_t user_state;

void user_state_sync(uint8_t initiator2target_buffer_size, const void* initiator2target_buffer, uint8_t target2initiator_buffer_size, void* target2initiator_buffer) {
    if (initiator2target_buffer_size == sizeof(transport_user_state)) {
        memcpy(&transport_user_state, initiator2target_buffer, initiator2target_buffer_size);
    }
}
void user_keymap_sync(uint8_t initiator2target_buffer_size, const void* initiator2target_buffer, uint8_t target2initiator_buffer_size, void* target2initiator_buffer) {
    if (initiator2target_buffer_size == sizeof(transport_keymap_config)) {
        memcpy(&transport_keymap_config, initiator2target_buffer, initiator2target_buffer_size);
    }
}
void user_config_sync(uint8_t initiator2target_buffer_size, const void* initiator2target_buffer, uint8_t target2initiator_buffer_size, void* target2initiator_buffer) {
    if (initiator2target_buffer_size == sizeof(transport_userspace_config)) {
        memcpy(&transport_userspace_config, initiator2target_buffer, initiator2target_buffer_size);
    }
}

#if defined(SPLIT_WATCHDOG_TIMEOUT)
void watchdog_handler(uint8_t in_buflen, const void* in_data, uint8_t out_buflen, void* out_data) { watchdog_ping_done = true; }
#endif

#ifdef CUSTOM_OLED_DRIVER
#    include "oled/oled_stuff.h"
void keylogger_string_sync(uint8_t initiator2target_buffer_size, const void* initiator2target_buffer, uint8_t target2initiator_buffer_size, void* target2initiator_buffer) {
    if (initiator2target_buffer_size == OLED_KEYLOGGER_LENGTH) {
        memcpy(&keylog_str, initiator2target_buffer, initiator2target_buffer_size);
    }
}
#endif

void keyboard_post_init_transport_sync(void) {
    // Register keyboard state sync split transaction
    transaction_register_rpc(RPC_ID_USER_STATE_SYNC, user_state_sync);
    transaction_register_rpc(RPC_ID_USER_KEYMAP_SYNC, user_keymap_sync);
    transaction_register_rpc(RPC_ID_USER_CONFIG_SYNC, user_config_sync);
#ifdef CUSTOM_OLED_DRIVER
    transaction_register_rpc(RPC_ID_USER_KEYLOG_STR, keylogger_string_sync);
#endif

#if defined(SPLIT_WATCHDOG_TIMEOUT)
#    if defined(PROTOCOL_LUFA)
    wdt_disable();
#    endif
    transaction_register_rpc(RPC_ID_USER_WATCHDOG_SYNC, watchdog_handler);
    watchdog_timer = timer_read32();
#endif
}

void user_transport_update(void) {
    if (is_keyboard_master()) {
        transport_keymap_config    = keymap_config.raw;
        transport_userspace_config = userspace_config.raw;
#ifdef AUDIO_ENABLE
        user_state.audio_enable        = is_audio_on();
        user_state.audio_clicky_enable = is_clicky_on();
#endif
#if defined(CUSTOM_POINTING_DEVICE)
        user_state.tap_toggling = tap_toggling;
#endif
#ifdef UNICODE_COMMON_ENABLE
        user_state.unicode_mode = unicode_config.input_mode;
#endif
#ifdef SWAP_HANDS_ENABLE
        user_state.swap_hands = swap_hands;
#endif
        user_state.host_driver_disabled = host_driver_disabled;

        transport_user_state = user_state.raw;
    } else {
        keymap_config.raw    = transport_keymap_config;
        userspace_config.raw = transport_userspace_config;
        user_state.raw       = transport_user_state;
#ifdef UNICODE_COMMON_ENABLE
        unicode_config.input_mode = user_state.unicode_mode;
#endif
#if defined(CUSTOM_POINTING_DEVICE)
        tap_toggling = user_state.tap_toggling;
#endif
#ifdef SWAP_HANDS_ENABLE
        swap_hands = user_state.swap_hands;
#endif
        host_driver_disabled = user_state.host_driver_disabled;
    }
}

void user_transport_sync(void) {
    if (is_keyboard_master()) {
        // Keep track of the last state, so that we can tell if we need to propagate to slave
        static uint16_t last_keymap = 0;
        static uint32_t last_config = 0, last_sync[4], last_user_state = 0;
        bool            needs_sync = false;
#ifdef CUSTOM_OLED_DRIVER
        static char keylog_temp[OLED_KEYLOGGER_LENGTH] = {0};
#endif

        // Check if the state values are different
        if (memcmp(&transport_user_state, &last_user_state, sizeof(transport_user_state))) {
            needs_sync = true;
            memcpy(&last_user_state, &transport_user_state, sizeof(transport_user_state));
        }
        // Send to slave every 500ms regardless of state change
        if (timer_elapsed32(last_sync[0]) > 250) {
            needs_sync = true;
        }

        // Perform the sync if requested
        if (needs_sync) {
            if (transaction_rpc_send(RPC_ID_USER_STATE_SYNC, sizeof(user_state), &user_state)) {
                last_sync[0] = timer_read32();
            }
            needs_sync = false;
        }

        // Check if the state values are different
        if (memcmp(&transport_keymap_config, &last_keymap, sizeof(transport_keymap_config))) {
            needs_sync = true;
            memcpy(&last_keymap, &transport_keymap_config, sizeof(transport_keymap_config));
        }

        // Send to slave every 500ms regardless of state change
        if (timer_elapsed32(last_sync[1]) > 250) {
            needs_sync = true;
        }

        // Perform the sync if requested
        if (needs_sync) {
            if (transaction_rpc_send(RPC_ID_USER_KEYMAP_SYNC, sizeof(transport_keymap_config), &transport_keymap_config)) {
                last_sync[1] = timer_read32();
            }
            needs_sync = false;
        }

        // Check if the state values are different
        if (memcmp(&user_state, &last_config, sizeof(transport_userspace_config))) {
            needs_sync = true;
            memcpy(&last_config, &user_state, sizeof(transport_userspace_config));
        }

        // Send to slave every 500ms regardless of state change
        if (timer_elapsed32(last_sync[2]) > 250) {
            needs_sync = true;
        }

        // Perform the sync if requested
        if (needs_sync) {
            if (transaction_rpc_send(RPC_ID_USER_CONFIG_SYNC, sizeof(transport_userspace_config), &transport_userspace_config)) {
                last_sync[2] = timer_read32();
            }
            needs_sync = false;
        }

#ifdef CUSTOM_OLED_DRIVER
        // Check if the state values are different
        if (memcmp(&keylog_str, &keylog_temp, OLED_KEYLOGGER_LENGTH)) {
            needs_sync = true;
            memcpy(&keylog_temp, &keylog_str, OLED_KEYLOGGER_LENGTH);
        }
        if (timer_elapsed32(last_sync[3]) > 250) {
            needs_sync = true;
        }

        // Perform the sync if requested
        if (needs_sync) {
            if (transaction_rpc_send(RPC_ID_USER_KEYLOG_STR, OLED_KEYLOGGER_LENGTH, &keylog_str)) {
                last_sync[3] = timer_read32();
            }
            needs_sync = false;
        }
#endif
    }

#if defined(SPLIT_WATCHDOG_TIMEOUT)
    if (!watchdog_ping_done) {
        if (is_keyboard_master()) {
            if (timer_elapsed32(watchdog_timer) > 100) {
                uint8_t any_data = 1;
                if (transaction_rpc_send(RPC_ID_USER_WATCHDOG_SYNC, sizeof(any_data), &any_data)) {
                    watchdog_ping_done = true;  // successful ping
                } else {
                    dprint("Watchdog ping failed!\n");
                }
                watchdog_timer = timer_read32();
            }
        } else {
            if (timer_elapsed32(watchdog_timer) > 3500) {
                software_reset();
                while (1) {
                }
            }
        }
    }
#endif
}

void housekeeping_task_user(void) {
    // Update kb_state so we can send to slave
    user_transport_update();

    // Data sync from master to slave
    user_transport_sync();
}