Implement runtime selectable output (USB or BT)

1 files changed, 56 insertions, 0 deletions

diff --git a/tmk_core/protocol/lufa/outputselect.c b/tmk_core/protocol/lufa/outputselect.c
new file mode 100644
index 000000000..5d2457bff
--- /dev/null
+++ b/tmk_core/protocol/lufa/outputselect.c
@@ -0,0 +1,56 @@
+/*
+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/>.
+*/
+
+#include "lufa.h"
+#include "outputselect.h"
+#ifdef ADAFRUIT_BLE_ENABLE
+    #include "adafruit_ble.h"
+#endif
+
+uint8_t desired_output = OUTPUT_DEFAULT;
+
+void set_output(uint8_t output) {
+    set_output_user(output);
+    desired_output = output;
+}
+
+__attribute__((weak))
+void set_output_user(uint8_t output) {
+}
+
+uint8_t auto_detect_output(void) {
+    if (USB_DeviceState == DEVICE_STATE_Configured) {
+        return OUTPUT_USB;
+    }
+
+#ifdef ADAFRUIT_BLE_ENABLE
+    if (adafruit_ble_is_connected()) {
+        return OUTPUT_ADAFRUIT_BLE;
+    }
+#endif
+
+#ifdef BLUETOOTH_ENABLE
+    return OUTPUT_BLUETOOTH; // should check if BT is connected here
+#endif
+
+    return OUTPUT_NONE;
+}
+
+uint8_t where_to_send(void) {
+    if (desired_output == OUTPUT_AUTO) {
+        return auto_detect_output();
+    }
+    return desired_output;
+}
+