1 files changed, 119 insertions, 0 deletions
diff --git a/keyboards/handwired/tractyl_manuform/tm_sync.c b/keyboards/handwired/tractyl_manuform/tm_sync.c
new file mode 100644
index 0000000000..2a8847b3ef
--- /dev/null
+++ b/keyboards/handwired/tractyl_manuform/tm_sync.c
@@ -0,0 +1,119 @@
+/* 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 "tractyl_manuform.h"
+#include "transactions.h"
+#include <string.h>
+#include "drivers/sensors/pmw3360.h"
+
+kb_config_data_t  kb_config;
+kb_pointer_data_t kb_pointer;
+
+void kb_config_sync_handler(uint8_t initiator2target_buffer_size, const void* initiator2target_buffer, uint8_t target2initiator_buffer_size, void* target2initiator_buffer) {
+    if (initiator2target_buffer_size == sizeof(kb_config)) {
+        memcpy(&kb_config, initiator2target_buffer, sizeof(kb_config));
+    }
+}
+void kb_pointer_sync_handler(uint8_t initiator2target_buffer_size, const void* initiator2target_buffer, uint8_t target2initiator_buffer_size, void* target2initiator_buffer) {
+    if (target2initiator_buffer_size == sizeof(kb_pointer)) {
+        memcpy(target2initiator_buffer, &kb_pointer, sizeof(kb_pointer));
+    }
+}
+
+void keyboard_pre_init_sync(void) {
+    memset(&kb_config, 0, sizeof(kb_config));
+    memset(&kb_pointer, 0, sizeof(kb_pointer));
+}
+
+void keyboard_post_init_kb(void) {
+    // Register keyboard state sync split transaction
+    transaction_register_rpc(RPC_ID_KB_CONFIG_SYNC, kb_config_sync_handler);
+    transaction_register_rpc(RPC_ID_POINTER_STATE_SYNC, kb_pointer_sync_handler);
+
+    keyboard_post_init_user();
+}
+
+void kb_config_update(void) {
+    if (is_keyboard_master()) {
+        static uint16_t cpi = 0;
+        if (cpi != kb_config.device_cpi) {
+            cpi = kb_config.device_cpi;
+            pmw_set_cpi(cpi);
+        }
+    }
+}
+
+void kb_config_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 kb_config_data_t last_kb_config;
+        static uint32_t         last_sync  = 0;
+        bool                    needs_sync = false;
+
+        // Check if the state values are different
+        if (memcmp(&kb_config, &last_kb_config, sizeof(kb_config))) {
+            needs_sync = true;
+            memcpy(&last_kb_config, &kb_config, sizeof(kb_config));
+        }
+        // Send to slave every 500ms regardless of state change
+        if (timer_elapsed32(last_sync) > 500) {
+            needs_sync = true;
+        }
+
+        // Perform the sync if requested
+        if (needs_sync) {
+            if (transaction_rpc_send(RPC_ID_KB_CONFIG_SYNC, sizeof(kb_config), &kb_config)) {
+                last_sync = timer_read32();
+            }
+        }
+    }
+}
+
+void kb_pointer_sync(void) {
+    if (is_keyboard_master() && is_keyboard_left()) {
+        // Keep track of the last state, so that we can tell if we need to propagate to slave
+        static uint32_t last_sync = 0;
+
+        // Perform the sync if requested
+        if (timer_elapsed32(last_sync) >= 5) {
+            if (transaction_rpc_recv(RPC_ID_POINTER_STATE_SYNC, sizeof(kb_pointer), &kb_pointer)) {
+                last_sync = timer_read32();
+            }
+        }
+    }
+}
+
+void housekeeping_task_kb(void) {
+    // Update kb_config so we can send to slave
+    kb_config_update();
+    // Data sync from master to slave
+    kb_config_sync();
+    kb_pointer_sync();
+}
+
+void kb_pointer_sync_send(int8_t x, int8_t y) {
+    kb_pointer.mouse_x = x;
+    kb_pointer.mouse_y = y;
+}
+
+kb_pointer_data_t kb_pointer_sync_get(void) { return (kb_pointer_data_t){.mouse_x = kb_pointer.mouse_x, .mouse_y = kb_pointer.mouse_y}; }
+
+void trackball_set_cpi(uint16_t cpi) {
+    kb_config.device_cpi = cpi;
+    if (!is_keyboard_left()) {
+        pmw_set_cpi(cpi);
+    }
+}