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Figure 16. Help
The actual USB protocol used as well as instructions on writing scripts are detailed in the following subsections. While it is not necessary to understand or use either the protocol or the scripts directly, understanding them may be helpful to some users.
6.9.1USB-MODEVM Protocol
The
Data is sent in an HIDSETREPORT (see Table 7):
Table 7. USB Control Endpoint
HIDSETREPORT Request
PART | VALUE | DESCRIPTION |
bmRequestType | 0x21 | 00100001 |
bRequest | 0x09 | SET_REPORT |
wValue | 0x00 | don't care |
wIndex | 0x03 | HID interface is index 3 |
wLength | calculated by host |
|
Data |
| Data packet as described |
|
| below |
22 | ||
|
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