Epson Moverio Pro BT-2000 Developer's Manual page 158

8.8.21. writeGatt
Function

Write to for the Characteristic Value specified with the handle.
Format

int writeGatt(char connectedHandle, char handle, byte[] value);
Parameter

Model name
char connectedHandle
char handle
byte[] value
Return value

Model Explanation
int BluetoothLeChipCode.SUCCESS: success
BluetoothLeChipCode.BaseError.INVALID_ADDR: invalid memory address
BluetoothLeChipCode.BaseError.INVALID_STATE: invalid status
BluetoothLeChipCode.BaseError.BUSY: system busy status
BluetoothLeChipCode.BaseError.INVALID_PARAM: invalid parameter
BluetoothLeChipCode.BaseError.DATA_SIZE: exceeded data size
BluetoothLeChipCode.BaseError.NO_TX_BUFFERS: exceeded buffer capacity
BluetoothLeChipCode.STKError.INVALID_CONN_HANDLE: invalid connection
handle
Usage method

To receive search results, you need to register the callback function in setGattCallback in
advance.
The following callback function sends a notification for search results.
BluetoothLeGattCallback.onWriteGattResult
MOVERIO Pro Developer's Guide (Rev.1.4)
Explanation
Connection handle
Handle location for Characteristic Value
Written value
152