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Full Discussion: Writing to a Serial Port
Top Forums Web Development Writing to a Serial Port Post 302921713 by neutronscott on Sunday 19th of October 2014 09:08:19 PM
Old 10-19-2014
Is that a yes?

I looked at some weight protocols and you may need to send \r:

Code:
$ printf '\rW\n' >/dev/ttyS0
$ cat /dev/ttyS0

You should see a weight then. If so, and your permissions are correct, your PHP may work using \rW\n
 

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LEARN ABOUT DEBIAN

m16c-flash

M16C-FLASH(1)						      General Commands Manual						     M16C-FLASH(1)

NAME

       m16c-flash - Flash programmer for Renesas M16C and R8C microcontrollers

SYNOPSIS

       m16c-flash [COM_DEV] [CPU_TYPE] [FILE] [ID1:...:ID7] [OPTIONS]

DESCRIPTION

       m16c-flash is a flash programmer for the Renesas M16C and R8C microcontrollers which operates in asynchronous mode.

OPTIONS

       COM_DEV The serial device to use for flashing, e.g. /dev/ttyS0 or /dev/ttyUSB0.

       CPU_TYPE The CPU type you want to flash to (currently M16C or R8C).

       FILE The filename of the binary you want to flash.

       ID1:...:ID7 The device ID.

       --help Show a help text and exit.

       --version Show version information and exit.

EXAMPLES

       Flash the simple.s file onto an M16C microcontroller via the first serial port (/dev/ttyS0) using 0:0:0:0:0:0:0 as the device ID:
       m16c-flash /dev/ttyS0 M16C simple.s 0:0:0:0:0:0:0

       Flash the test.mot file onto an R8C microcontroller via the USB serial device /dev/ttyUSB0, and using ff:ff:ff:ff:ff:ff:ff as device ID:
       m16c-flash /dev/ttyUSB0 R8C test.mot ff:ff:ff:ff:ff:ff:ff

BUGS

       Please report any bugs to Thomas Fischl <tfischl@gmx.de>.

LICENCE

       m16c-flash is covered by the GNU General Public License (GPL).

AUTHORS

       Greg Reynolds <greg@lostintheether.net>
       Jim Hawkridge <h046@eee-fs4.bham.ac.uk>
       Thomas Fischl <tfischl@gmx.de>

       This manual page was written by Uwe Hermann <uwe@hermann-uwe.de>, for the Debian GNU/Linux system (but may be used by others).

								  August 20, 2006						     M16C-FLASH(1)
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