241 lines
		
	
	
		
			8.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			241 lines
		
	
	
		
			8.5 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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#if defined(SPLIT_WATCHDOG_TIMEOUT)
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static bool     watchdog_ping_done = false;
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static uint32_t watchdog_timer     = 0;
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#endif
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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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#if defined(SPLIT_WATCHDOG_TIMEOUT)
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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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#endif
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#ifdef OLED_ENABLE
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#include "oled/oled_stuff.h"
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void keylogger_string_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 == OLED_KEYLOGGER_LENGTH) {
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        memcpy(&keylog_str, initiator2target_buffer, initiator2target_buffer_size);
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    }
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}
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#endif
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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 OLED_ENABLE
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    transaction_register_rpc(RPC_ID_USER_KEYLOG_STR, keylogger_string_sync);
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#endif
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#if defined(SPLIT_WATCHDOG_TIMEOUT)
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#    if defined(PROTOCOL_LUFA)
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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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#endif
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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[4], last_user_state = 0;
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        bool            needs_sync = false;
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#ifdef OLED_ENABLE
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        static char     keylog_temp[OLED_KEYLOGGER_LENGTH] = { 0 };
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#endif
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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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            needs_sync = false;
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        }
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#ifdef OLED_ENABLE
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        // Check if the state values are different
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        if (memcmp(&keylog_str, &keylog_temp, OLED_KEYLOGGER_LENGTH)) {
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            needs_sync = true;
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            memcpy(&keylog_temp, &keylog_str, OLED_KEYLOGGER_LENGTH);
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        }
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        if (timer_elapsed32(last_sync[3]) > 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_KEYLOG_STR, OLED_KEYLOGGER_LENGTH, &keylog_str)) {
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                last_sync[3] = timer_read32();
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            }
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            needs_sync = false;
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        }
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#endif
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    }
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#if defined(SPLIT_WATCHDOG_TIMEOUT)
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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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                software_reset();
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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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#endif
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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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