Am 21.06.2009 um 23:31 schrieb Nathan Nobbe:
On Sun, Jun 21, 2009 at 3:25 PM, Tobias Krieger <tobias.krieger@xxxxxxxxxxxxxxx
> wrote:
Hi,
I've recently written an eMail regarding I2C and PHP - since I
haven't found a nice solution yet, I'm considering writting the I2C
part (opening device, writing, reading,...) in C (that's simple) and
to recieve (and returning) the values through PHP and Javascript.
E.g. Website (PHP/Javascript) -> set a new motorspeed -> PHP passes
the new speed to C Application -> C AP opens and writes the new
speed onto the I2C Bus -> Motor executes -> returns ack ->----
Is this somehow, and not complicated possible?
if the C program is written such that it can start and stop on every
request rather than as a daemon, its as simple as shell_exec().
write your C app to take args over the cli and then pass them in
through the call:
<?php
$result = shell_exec('myI2C -speed 50');
?>
something of that nature.
-nathan
This would be a nice and fast solution, but unfortunatelly, it's like
that the C programm needs to surveilance the hardware all the time
(controlling values,...) hence, it would run more as a "daemon".
thx,
tobias
