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-rw-r--r--users/drashna/transport_sync.c192
1 files changed, 192 insertions, 0 deletions
diff --git a/users/drashna/transport_sync.c b/users/drashna/transport_sync.c
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+/* Copyright 2020 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "transport_sync.h"
+#include "transactions.h"
+#include <string.h>
+
+#ifdef UNICODE_ENABLE
+extern unicode_config_t unicode_config;
+#endif
+#ifdef AUDIO_ENABLE
+# include "audio.h"
+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
+extern userspace_config_t userspace_config;
+
+__attribute__((aligned(8))) typedef struct {
+ bool audio_enable;
+ bool audio_clicky_enable;
+ bool tap_toggling;
+ bool unicode_mode;
+ bool swap_hands;
+} user_runtime_config_t;
+
+uint16_t transport_keymap_config = 0;
+uint32_t transport_userspace_config = 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(user_state)) {
+ memcpy(&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 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);
+}
+
+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 SWAP_HANDS_ENABLE
+ user_state.swap_hands = swap_hands;
+#endif
+
+ } else {
+ keymap_config.raw = transport_keymap_config;
+ userspace_config.raw = transport_userspace_config;
+#ifdef UNICODE_ENABLE
+ unicode_config.input_mode = user_state.unicode_mode;
+#endif
+#ifdef AUDIO_ENABLE
+ if (delayed_tasks_run) {
+ if (user_state.audio_enable != is_audio_on()) {
+ if (user_state.audio_enable) {
+ audio_on();
+ } else {
+ audio_off();
+ }
+ }
+ if (user_state.audio_clicky_enable != is_clicky_on()) {
+ if (user_state.audio_clicky_enable) {
+ clicky_on();
+ } else {
+ clicky_off();
+ }
+ }
+ }
+#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
+ }
+}
+
+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 user_runtime_config_t last_user_state;
+ static uint16_t last_keymap = 0;
+ static uint32_t last_config = 0;
+ static uint32_t last_sync[3];
+ bool needs_sync = false;
+
+ // Check if the state values are different
+ if (memcmp(&user_state, &last_user_state, sizeof(user_state))) {
+ needs_sync = true;
+ memcpy(&last_user_state, &user_state, sizeof(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();
+ }
+ }
+ }
+}
+
+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();
+}