[PD] Arduino (is drivin me mad

[Pierre Massat]

Fixed (partially, i haven't tried the board with Pduino yet).

Please read my new post "Got Arduino UNO to work in Linux (Ubuntu)" for the
fix.

Pierre

2011/7/9 Charles Goyard <cg at fsck.fr>

> Pierre Massat wrote:
> > Now my question... Is the arduino software just really really bad?
> Quite so, especially the serial port handling. The same applies for
> Processing, upon which the arduino IDE is founded. You can hog a brand
> new computer with a 9600bps transfer.
>
> > It is randomly very slow at start-up, it randomly disables the serial
> > port menu in Tools, it randomly decides to prevent me from uploading
> > the program in the board, or warns me that serial port dev/ttyACM0 is
> > already in use, or can't be found.
>
> I have the exact same behavior with the Uno (on archlinux). I believe
> it's mostly a matter of upgrading the bootloader that lies in the
> atmega8U. That's why I stepped back to the golden age of no autoreset,
> a trusty external ISP programmer, a good Makefile and a nice text editor.
>
> It seems to occur more often when the program running on the board
> writes to the serial port. It looks like the usb bridge and the main
> microcontroller are not in the same stage.
>
> Try holding the reset button, click upload and then release it. It
> sometimes help.
>
> > This is beginning to look more like witchcraft than computer science to
> me.
> Bugs are computer science ;).
>
>
> --
> Charlot
>
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