201 lines
7.2 KiB
C
201 lines
7.2 KiB
C
// Copyright 2020 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com>
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "transport_sync.h"
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#include "transactions.h"
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#include <string.h>
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#ifdef __AVR__
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# include <avr/wdt.h>
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#endif
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#ifdef CUSTOM_UNICODE_ENABLE
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#include "process_unicode_common.h"
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extern unicode_config_t unicode_config;
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#endif
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#ifdef AUDIO_ENABLE
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# include "audio.h"
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extern audio_config_t audio_config;
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extern bool delayed_tasks_run;
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#endif
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#if defined(POINTING_DEVICE_ENABLE) && defined(KEYBOARD_handwired_tractyl_manuform)
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extern bool tap_toggling;
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#endif
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#ifdef SWAP_HANDS_ENABLE
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extern bool swap_hands;
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#endif
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static bool watchdog_ping_done = false;
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static uint32_t watchdog_timer = 0;
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extern userspace_config_t userspace_config;
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extern bool host_driver_disabled;
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uint16_t transport_keymap_config = 0;
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uint32_t transport_userspace_config = 0, transport_user_state = 0;
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user_runtime_config_t user_state;
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void user_state_sync(uint8_t initiator2target_buffer_size, const void* initiator2target_buffer, uint8_t target2initiator_buffer_size, void* target2initiator_buffer) {
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if (initiator2target_buffer_size == sizeof(transport_user_state)) {
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memcpy(&transport_user_state, initiator2target_buffer, initiator2target_buffer_size);
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}
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}
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void user_keymap_sync(uint8_t initiator2target_buffer_size, const void* initiator2target_buffer, uint8_t target2initiator_buffer_size, void* target2initiator_buffer) {
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if (initiator2target_buffer_size == sizeof(transport_keymap_config)) {
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memcpy(&transport_keymap_config, initiator2target_buffer, initiator2target_buffer_size);
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}
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}
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void user_config_sync(uint8_t initiator2target_buffer_size, const void* initiator2target_buffer, uint8_t target2initiator_buffer_size, void* target2initiator_buffer) {
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if (initiator2target_buffer_size == sizeof(transport_userspace_config)) {
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memcpy(&transport_userspace_config, initiator2target_buffer, initiator2target_buffer_size);
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}
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}
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void watchdog_handler(uint8_t in_buflen, const void* in_data, uint8_t out_buflen, void* out_data) { watchdog_ping_done = true; }
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void keyboard_post_init_transport_sync(void) {
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// Register keyboard state sync split transaction
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transaction_register_rpc(RPC_ID_USER_STATE_SYNC, user_state_sync);
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transaction_register_rpc(RPC_ID_USER_KEYMAP_SYNC, user_keymap_sync);
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transaction_register_rpc(RPC_ID_USER_CONFIG_SYNC, user_config_sync);
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#ifdef __AVR__
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wdt_disable();
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#endif
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transaction_register_rpc(RPC_ID_USER_WATCHDOG_SYNC, watchdog_handler);
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watchdog_timer = timer_read32();
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}
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void user_transport_update(void) {
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if (is_keyboard_master()) {
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transport_keymap_config = keymap_config.raw;
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transport_userspace_config = userspace_config.raw;
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#ifdef AUDIO_ENABLE
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user_state.audio_enable = is_audio_on();
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user_state.audio_clicky_enable = is_clicky_on();
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#endif
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#if defined(POINTING_DEVICE_ENABLE) && defined(KEYBOARD_handwired_tractyl_manuform)
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user_state.tap_toggling = tap_toggling;
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#endif
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#ifdef UNICODE_ENABLE
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user_state.unicode_mode = unicode_config.input_mode;
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#endif
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#ifdef SWAP_HANDS_ENABLE
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user_state.swap_hands = swap_hands;
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#endif
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user_state.host_driver_disabled = host_driver_disabled;
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transport_user_state = user_state.raw;
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} else {
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keymap_config.raw = transport_keymap_config;
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userspace_config.raw = transport_userspace_config;
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user_state.raw = transport_user_state;
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#ifdef UNICODE_ENABLE
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unicode_config.input_mode = user_state.unicode_mode;
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#endif
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#if defined(POINTING_DEVICE_ENABLE) && defined(KEYBOARD_handwired_tractyl_manuform)
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tap_toggling = user_state.tap_toggling;
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#endif
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#ifdef SWAP_HANDS_ENABLE
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swap_hands = user_state.swap_hands;
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#endif
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host_driver_disabled = user_state.host_driver_disabled;
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}
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}
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void user_transport_sync(void) {
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if (is_keyboard_master()) {
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// Keep track of the last state, so that we can tell if we need to propagate to slave
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static uint16_t last_keymap = 0;
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static uint32_t last_config = 0, last_sync[3], last_user_state = 0;
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bool needs_sync = false;
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// Check if the state values are different
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if (memcmp(&transport_user_state, &last_user_state, sizeof(transport_user_state))) {
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needs_sync = true;
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memcpy(&last_user_state, &transport_user_state, sizeof(transport_user_state));
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}
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// Send to slave every 500ms regardless of state change
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if (timer_elapsed32(last_sync[0]) > 250) {
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needs_sync = true;
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}
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// Perform the sync if requested
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if (needs_sync) {
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if (transaction_rpc_send(RPC_ID_USER_STATE_SYNC, sizeof(user_state), &user_state)) {
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last_sync[0] = timer_read32();
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}
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needs_sync = false;
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}
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// Check if the state values are different
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if (memcmp(&transport_keymap_config, &last_keymap, sizeof(transport_keymap_config))) {
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needs_sync = true;
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memcpy(&last_keymap, &transport_keymap_config, sizeof(transport_keymap_config));
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}
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// Send to slave every 500ms regardless of state change
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if (timer_elapsed32(last_sync[1]) > 250) {
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needs_sync = true;
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}
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// Perform the sync if requested
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if (needs_sync) {
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if (transaction_rpc_send(RPC_ID_USER_KEYMAP_SYNC, sizeof(transport_keymap_config), &transport_keymap_config)) {
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last_sync[1] = timer_read32();
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}
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needs_sync = false;
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}
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// Check if the state values are different
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if (memcmp(&user_state, &last_config, sizeof(transport_userspace_config))) {
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needs_sync = true;
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memcpy(&last_config, &user_state, sizeof(transport_userspace_config));
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}
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// Send to slave every 500ms regardless of state change
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if (timer_elapsed32(last_sync[2]) > 250) {
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needs_sync = true;
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}
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// Perform the sync if requested
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if (needs_sync) {
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if (transaction_rpc_send(RPC_ID_USER_CONFIG_SYNC, sizeof(transport_userspace_config), &transport_userspace_config)) {
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last_sync[2] = timer_read32();
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}
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}
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}
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if (!watchdog_ping_done) {
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if (is_keyboard_master()) {
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if (timer_elapsed32(watchdog_timer) > 100) {
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uint8_t any_data = 1;
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if (transaction_rpc_send(RPC_ID_USER_WATCHDOG_SYNC, sizeof(any_data), &any_data)) {
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watchdog_ping_done = true; // successful ping
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} else {
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dprint("Watchdog ping failed!\n");
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}
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watchdog_timer = timer_read32();
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}
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} else {
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if (timer_elapsed32(watchdog_timer) > 3500) {
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#ifdef __AVR__
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wdt_enable(WDTO_250MS);
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#else
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NVIC_SystemReset();
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#endif
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while (1) {
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}
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}
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}
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}
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}
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void housekeeping_task_user(void) {
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// Update kb_state so we can send to slave
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user_transport_update();
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// Data sync from master to slave
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user_transport_sync();
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}
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