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Topic: This problem for people about "Not in sync" error. Any updates? (Read 3 times) previous topic - next topic


retrolefty


Sorry:  link as per here:

http://arduino.cc/forum/index.php/topic,118440.0.html




That doesn't help me, 21 pages of postings? That the official Arduino IDE platform would ever rely on a non-open source windows .NET framework would just never happen in my opinion and would also require a rather major forking for the Linux and Apple versions of the IDE, no? I suspect you have misunderstood something or are confusing it with some arduino 'compatible' IDE, not an 'official' IDE release.

So 'splain yourself Lucy.

Lefty

lost_and_confused

Page 1, top lines.

I am not that understanding of what is going on.

I have 1.0.1 and recently installed 1.0.2

I don't know if that is at the same time the problem started, but irrespective of which IDE I use, it fails.

However, as I have seen in my travels of the interweb, things rarely get easier and these .Net things get in everywhere.

I simply posted that because as an attempt to resolve the problem I may install the new IDE and see what happens.

From the page:
Hello, this is a tweaked Arduino IDE, hope you enjoy it! If it works for you please leave a comment.

Download (2012-12-13):
setup_Arduino_ERW_1.0.3_20121213.zip (exe, no-java)

Less than 40 mb, for Windows XP, Windows Vista, Windows 7/8 (x86/x64), Requires .Net Framework 4.0 and nothing else required at all, no other app, package, drivers, just your arduino and brain. Want to keep me interested on improving our arduino experience?, so buy me a coffee/pepsi

retrolefty

Quote
From the page:
Hello, this is a tweaked Arduino IDE, hope you enjoy it! If it works for you please leave a comment.

Download (2012-12-13):
setup_Arduino_ERW_1.0.3_20121213.zip (exe, no-java)

Less than 40 mb, for Windows XP, Windows Vista, Windows 7/8 (x86/x64), Requires .Net Framework 4.0 and nothing else required at all, no other app, package, drivers, just your arduino and brain. Want to keep me interested on improving our arduino experience?, so buy me a coffee/pepsi


Well that is a 'tweaked IDE by a 3rd party, not an official arduino IDE release that one downloads from the Arduino site.

Lefty

pico


Well that is a 'tweaked IDE by a 3rd party, not an official arduino IDE release that one downloads from the Arduino site.


One of the many useful enhancements that Erwin Ried's tweaked version has is a wrapper for avrdude that resets the com port if there is a communication error ("port not found") when called by the IDE, which is probably the the leading cause of the "sync" problem, at least in Window systems.

The "sync" error from avrdude is pretty generic, and really just indicates it failed to get the response back it expected for whatever reason.

Surprisingly perhaps, Java has something of a checkered history, regarding being able to access serial ports reliably in a platform portable way. The saga dates back to the 1990s. Things weren't improved when Oracle decided a few years ago to drop support for the de facto standard method (commapi) that had been used for Java in Windows since then, possibly because the original solution originated from IBM way back when, although I'm not aware there was ever an "official" explanation from Oracle.

It appears the method (rxtxSerial) the "official" IDE uses still isn't particularly robust or reliable on many systems, unfortunately.
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