qmk-dactyl-manuform-a/users/drashna/split/transport_sync.c

202 lines
7.2 KiB
C

// 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 CUSTOM_UNICODE_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
static bool watchdog_ping_done = false;
static uint32_t watchdog_timer = 0;
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);
}
}
void watchdog_handler(uint8_t in_buflen, const void* in_data, uint8_t out_buflen, void* out_data) { watchdog_ping_done = true; }
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 __AVR__
wdt_disable();
#endif
transaction_register_rpc(RPC_ID_USER_WATCHDOG_SYNC, watchdog_handler);
watchdog_timer = timer_read32();
}
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(POINTING_DEVICE_ENABLE) && defined(KEYBOARD_handwired_tractyl_manuform)
user_state.tap_toggling = tap_toggling;
#endif
#ifdef UNICODE_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_ENABLE
unicode_config.input_mode = user_state.unicode_mode;
#endif
#if defined(POINTING_DEVICE_ENABLE) && defined(KEYBOARD_handwired_tractyl_manuform)
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[3], last_user_state = 0;
bool needs_sync = false;
// 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();
}
}
}
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) {
#ifdef __AVR__
wdt_enable(WDTO_250MS);
#else
NVIC_SystemReset();
#endif
while (1) {
}
}
}
}
}
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();
}