AVR Downloader/UploaDEr - Bugs: bug #59420, No PORT number
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bug #59420: No PORT number
Submitter: | None | ||
Submitted: | Thu 05 Nov 2020 05:53:41 PM UTC | ||
Category: | None | Severity: | 3 - Normal |
Priority: | 5 - Normal | Item Group: | None |
Status: | Need Info | Privacy: | Public |
Assigned to: | None | Originator Name: | Zisu Patriche |
Originator Email: | -email is unavailable- | Open/Closed: | Open |
Release: | 6.3 | Programmer hardware: | USBasp |
Device type: |
Thu 05 Nov 2020 08:36:55 PM UTC, comment #1: |
Joerg Wunsch <joerg_wunsch>![]() |
Thu 05 Nov 2020 05:53:41 PM UTC, original submission:
error:
|
Anonymous |
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Depends on the following items: None found
Items that depend on this one: None found
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Follows 1 latest change.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
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2021-11-06 | joerg_wunsch | Status | None | ![]() |
Need Info |
There is no option to specify a "port" number. USB works by walking through all attached devices, and look for the VID/PID combination you're seeing in the message. The first one found is then used.
(For some other programmers, an additional serial# could be provided, to disambiguate multiple attached programmers. USBasp doesn't offer a serial number feature though.)
In your case, there's simply no matchinng device found.
Since you're using Windows: make sure you have been setting up libusb correctly. Unlike non-Windows systems (where all devices with appropriate permissions are always found), on Windows, you explicitly have to assign any desired device for libusb usage.