我刚看了一个不知道算不算协议的 里面有
1. Address the selected device as a Listener.
2. Send the secondary address if used.
3. Address the board itself as the GPIB Talker.
4. Send the command bytes to the device.
5. Address the board itself as the Listener.
6. Read the response from the device.
7. Send the GPIB Unlisten (UNL) message.
8. Send the GPIB Untalk (UNT) message.