PRIMARY_SERVICE, GATT_SERVICE
CHARACTERISTIC, GATT_DATABASE_HASH, READ,

PRIMARY_SERVICE, GAP_SERVICE
CHARACTERISTIC, GAP_DEVICE_NAME, READ | DYNAMIC,
// 0x03C1 = HID Keyboard
CHARACTERISTIC, GAP_APPEARANCE, READ, C1 03

// MIDI Service
PRIMARY_SERVICE, 03B80E5A-EDE8-4B33-A751-6CE34EC4C700
CHARACTERISTIC, 7772E5DB-3868-4112-A1A9-F2669D106BF3, READ | WRITE_WITHOUT_RESPONSE | NOTIFY | DYNAMIC,

// HID Service
#import <hids.gatt>

// Battery Service
#import <battery_service.gatt>