URL:
<http://savannah.nongnu.org/patch/?7559>
Summary: 'arduino' programmer type DTR transition fix
Project: AVR Downloader/UploaDEr
Submitted by: madworm
Submitted on: Mon 20 Jun 2011 06:19:17 PM GMT
Category: None
Priority: 5 - Normal
Status: None
Privacy: Public
Assigned to: None
Originator Email:
Open/Closed: Open
Discussion Lock: Any
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Details:
It came to my attention that I could only upload every 2nd try to my
bootloaded AVR chip (or 'Arduino' if you like). The first pass would fail and
I would abort avrdude (the chip was _not_ reset). With the old code this left
the DTR line in a usable state for the next run, which then succeeded
reproducibly.
This patch reverses the sequence of setting/clearing DTR/RTS. In depth
explanation including a small schematic are in the comment in the .diff file.
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File Attachments:
-------------------------------------------------------
Date: Mon 20 Jun 2011 06:19:17 PM GMT Name: arduino.c.patch Size: 2kB By:
madworm
Arduino 'auto-reset' fix.
<http://savannah.nongnu.org/patch/download.php?file_id=23541>
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