AVR Downloader/UploaDEr - Bugs: bug #44539, Avoid USB reconnect when running...
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bug #44539: Avoid USB reconnect when running in VM
Submitter: | None | ||
Submitted: | Sat 14 Mar 2015 01:51:51 PM UTC | ||
Category: | None | Severity: | 3 - Normal |
Priority: | 5 - Normal | Item Group: | None |
Status: | None | Privacy: | Public |
Assigned to: | None | Originator Name: | Michael Lipp |
Originator Email: | -email is unavailable- | Open/Closed: | Open |
Release: | None | Programmer hardware: | |
Device type: |
Attached Files
file #33340: avrdude-soft-reset.patch added by None (2KiB - text/x-patch - The patch)
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 |
---|---|---|---|---|---|
2015-03-14 | None | Attached File | - | Added avrdude-soft-reset.patch, #33340 |
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Corresponding source code
This is rather an enhancement request than a bug report.
When executing a sign off command, jtagmkII and dragion do a hard reset by default. This also implies re-discovery of the usb device. While this isn't a big problem when attaching those devices to your computer directly, it becomes a big problem when using avrdude in a Virtual Machine.
There, on every sign-off, the hosts detects the removal of a USB device, signals it to the guest, then detects a new USB device, and signals it to the guest. This can take up to 5 seconds.
Both devices offer the possibility to modifiy the behaviour of sign-off to a "soft reset", thus avoiding that lengthy cycle. The appended patch forces this by passing "-x soft-reset" on the command line.