[avrdude-dev] [bug #46005] arduino auto-reset invocation is outside of retry loop

[anonymous]

URL:
  <http://savannah.nongnu.org/bugs/?46005>

                 Summary: arduino auto-reset invocation is outside of retry
loop
                 Project: AVR Downloader/UploaDEr
            Submitted by: None
            Submitted on: Sun 20 Sep 2015 08:49:24 AM UTC
                Category: None
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: Bill Wesfield
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any

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Details:

The new avrdude will attempt the upload several times, but apparently the
arduino-specific code to toggle DTR (and perform auto-reset) is outside of the
retry loop, which means that the board is not reset before each try. On
Optiboot-based boards like Uno, which have a one-second bootloader timeout,
this will mean that the board has long-since run the application.
On the other hand, sometimes the retries are quick (wrong response, rather
than no response?), perhaps giving the host time to flush buffered data or
noise, which might be effective...




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