Implement runtime selectable output (USB or BT)

tmk_core/protocol/lufa/outputselect.h

@@ -0,0 +1,41 @@
+/*
+Copyright 2017 Priyadi Iman Nurcahyo
+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/>.
+*/
+
+enum outputs {
+    OUTPUT_AUTO,
+
+    OUTPUT_NONE,
+    OUTPUT_USB,
+    OUTPUT_BLUETOOTH,
+    OUTPUT_ADAFRUIT_BLE,
+
+    // backward compatibility
+    OUTPUT_USB_AND_BT
+};
+
+/**
+ * backward compatibility for BLUETOOTH_ENABLE, send to BT and USB by default
+ */
+#ifndef OUTPUT_DEFAULT
+    #ifdef BLUETOOTH_ENABLE
+        #define OUTPUT_DEFAULT OUTPUT_USB_AND_BT
+    #else
+        #define OUTPUT_DEFAULT OUTPUT_AUTO
+    #endif
+#endif
+
+void set_output(uint8_t output);
+void set_output_user(uint8_t output);
+uint8_t auto_detect_output(void);
+uint8_t where_to_send(void);