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-rw-r--r--users/drashna/transport_sync.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/users/drashna/transport_sync.c b/users/drashna/transport_sync.c
new file mode 100644
index 0000000000..8a3e6d1bfa
--- /dev/null
+++ b/users/drashna/transport_sync.c
@@ -0,0 +1,79 @@
+#ifdef SPLIT_TRANSACTION_IDS_USER
+# include "transport_sync.h"
+# include "transactions.h"
+# include <string.h>
+
+typedef struct {
+ bool oled_on;
+ uint16_t keymap_config;
+} user_runtime_config_t;
+
+user_runtime_config_t user_state;
+
+void user_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 keyboard_post_init_transport_sync(void) {
+ // Register keyboard state sync split transaction
+ transaction_register_rpc(RPC_ID_USER_STATE_SYNC, user_sync);
+}
+
+void user_state_update(void) {
+ if (is_keyboard_master()) {
+# ifdef OLED_DRIVER_ENABLE
+ user_state.oled_on = is_oled_on();
+# endif
+
+ user_state.keymap_config = keymap_config.raw;
+ } else {
+# ifdef OLED_DRIVER_ENABLE
+ if (user_state.oled_on) {
+ oled_on();
+ } else {
+ oled_off();
+ }
+# endif
+ if (keymap_config.raw != user_state.keymap_config) {
+ keymap_config.raw = user_state.keymap_config;
+ }
+ }
+}
+
+void user_state_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 uint32_t last_sync;
+ 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) > 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 = timer_read32();
+ }
+ }
+ }
+}
+
+void housekeeping_task_user(void) {
+ // Update kb_state so we can send to slave
+ user_state_update();
+
+ // Data sync from master to slave
+ user_state_sync();
+}
+#endif