I tried ready-made commands for file locking, and turned to that LCK
file just in case some permissions are wrong and that's the reason the
commands fail.
On 19 Marts, 15:43, Grant Edwards <[EMAIL PROTECTED]> wrote:
> On 2008-03-18, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
>
> > how to get tty
hmm, now it seems I get to the locking
try:
ser = serial.Serial(dev, 19200, rtscts=1, timeout=1)
if ser.isOpen():
try:
fcntl.lockf(ser,fcntl.LOCK_EX)
but get into some weirdness - trying to lock does not time out! The
script stops at this line and wai
On 2008-03-18, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
> how to get ttyS0 serial port for exclusive access? I have a python
> script that uses this device with AT commands. I need that two
> instances can call simultaneosuly this python script but only one of
> them gets the device. I tried f
not the goal setup but the way I tried it out - a webpage to send an
sms to mobile phone. This is an php what calls a python script. A
python script opens serial device, checks for gsm network, sends a
message - on all the way I try to make sure that appropriate answers
are received from the gsm de
[EMAIL PROTECTED] wrote:
> hello group,
>
> how to get ttyS0 serial port for exclusive access? I have a python
> script that uses this device with AT commands. I need that two
> instances can call simultaneosuly this python script but only one of
> them gets the device. I tried fcntl.flock, it wa
hello group,
how to get ttyS0 serial port for exclusive access? I have a python
script that uses this device with AT commands. I need that two
instances can call simultaneosuly this python script but only one of
them gets the device. I tried fcntl.flock, it was just ignored, put
writtable file LCK
