No Data Message -
Intrepidcs API
Main
This messages is sent back when a host requests USB data and there is no data available. This message prevents the USB IN transaction from blocking when there is no data. This message is used for neoVI Green only.
Table 1 - neoVI NO DATA message
| BYTE 1 | BYTE 2 |
| NETID_MAIN51 0x0B | MAIN_51_BULKIN_NODATA 0x04 |
Example
This message is a constant four byte message 0xAA - 0x1B - 0x04 - 0xE1
| intrepidcs API Documentation - (C) Copyright 2000-2012 Intrepid Control Systems, Inc. |
Last Update: Monday, October 07, 2002