php serial communication in linux
badouglas at gmail.com
Mon Apr 30 13:13:00 UTC 2012
it appears you're running some sort of php script to access the serial
port, for some kind of communication test.
it also appears that you want to run the test from the browser.
here's my suggestion. forget the browser for time being.
get the test running from the cmdline.
ensure the app has the correct privs, as well as the correct user
(i have no idea what that should be)
ensure that selinux isn't interfering
once this works as you expect it to, then you can modify whatever you need to,
then you can get it running from the browser.
On Mon, Apr 30, 2012 at 12:44 AM, prudhvi09 <prudhvi09 at gmail.com> wrote:
> hey thanks a lot guys ..sorry to bother you again .
> i was opening the file directly from browser from the location htdocs ...i
> changed the file location to htdocs/xampp and it has started executing but
> there are some warnings
> ... I have used the command : chmod 0777 /dev/ttyUSB0 to give permissions
> . I have also tried to add the apache user "prudhvi" to the dialout group
> by using command : $ usermod -a -G dialout prudhvi .
> But it doesnt work . I have used the "$whoami" to check name of user and
> added that user "prudhvi" to the dialout group . It still doesnt work .
> Please help me guys.
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