+ // polling with 12ms interval
+ if (timer_elapsed(tick_ms) < 12) return 0;
+ tick_ms = timer_read();
+
+ codes = adb_host_kbd_recv(ADB_ADDR_KEYBOARD);
+
+ // Adjustable keybaord media keys
+ if (codes == 0 && has_media_keys &&
+ (codes = adb_host_kbd_recv(ADB_ADDR_APPLIANCE))) {
+ // key1
+ switch (codes & 0x7f ) {
+ case 0x00: // Mic
+ codes = (codes & ~0x007f) | 0x42;
+ break;
+ case 0x01: // Mute
+ codes = (codes & ~0x007f) | 0x4a;
+ break;
+ case 0x02: // Volume down
+ codes = (codes & ~0x007f) | 0x49;
+ break;
+ case 0x03: // Volume Up
+ codes = (codes & ~0x007f) | 0x48;
+ break;
+ case 0x7F: // no code
+ break;
+ default:
+ xprintf("ERROR: media key1\n");
+ return 0x11;
+ }
+ // key0
+ switch ((codes >> 8) & 0x7f ) {
+ case 0x00: // Mic
+ codes = (codes & ~0x7f00) | (0x42 << 8);
+ break;
+ case 0x01: // Mute
+ codes = (codes & ~0x7f00) | (0x4a << 8);
+ break;
+ case 0x02: // Volume down
+ codes = (codes & ~0x7f00) | (0x49 << 8);
+ break;
+ case 0x03: // Volume Up
+ codes = (codes & ~0x7f00) | (0x48 << 8);
+ break;
+ default:
+ xprintf("ERROR: media key0\n");
+ return 0x10;
+ }
+ }