Test0 Device#
- Authors:
Jonathan P. Newman
- Version:
2
- IO:
Frame Source, Register Access
- ONIX ID:
10
Description#
The Test0 device is used for testing during development.
Fixed, hardware-defined frame rate
Fixed, hardware-defined frame size
Register-defined frame data
Register Programming#
Address |
Name |
Access |
Time of Effect |
POR Value |
Reset Action |
Description |
|---|---|---|---|---|---|---|
0x00 |
ENABLE |
R/W |
On Reset |
Implementation dependent, see hub documentation |
None |
The LSB is used to enable or disable the device data stream:
|
0x01 |
MESSAGE |
R/W |
Immediate |
42 |
None |
The first 16-bits of the MESSAGE word appears in the device to host frame |
0x02 |
NUMTESTWORDS |
R |
N/A |
Implementation dependent, see hub documentation |
None |
Read-only register indicating number of 16-bit words following MESSAGE in each frame |
0x03 |
FRAMERATE |
R |
N/A |
Implementation dependent, see hub documentation |
None |
Read-only register indicating the fixed frame rate in Hz. 0 indicates that the frame rate is unspecified (variable or upstream controlled). |
–
Device To Host Data Frames#
Each frame transmitted to the host is structured as follows:
Host To Device Data Frames#
This device does not accept input frames. All write attempts will fail with an error.