Flow control settings for RS232 modems

carlo c.lobrano at gmail.com
Tue Mar 28 08:47:07 UTC 2017


Thanks to Daniele's suggestion, I changed modem baudrate to 57600 and 
now it works fine


Carlo


On 28/03/2017 10:21, carlo wrote:
> > Ok, please retry after adding the missing comma between the DEVPATH 
> and the ENV:
>
> Oops
> also a == for DEVPATH test
>
> ACTION!="add|change|move", GOTO="mm_serial_end"
> DEVPATH=="/devices/pnp0/00:05/tty/ttyS0", 
> ENV{ID_MM_PLATFORM_DRIVER_PROBE}="1" LABEL="mm_serial_end"
>
> Now ttyS0 is whitelisted correctly, but still some problems in using 
> Telit plugin (or any other plugin). MM log attached.
>
> Carlo
>
>
>
> On 28/03/2017 09:41, Aleksander Morgado wrote:
>> On Tue, Mar 28, 2017 at 9:01 AM, Carlo Lobrano<c.lobrano at gmail.com>  wrote:
>>> Here it is
>>>
>>> $ udevadm info -p /sys/class/tty/ttyS0
>>> P: /devices/pnp0/00:05/tty/ttyS0
>>> N: ttyS0
>>> E: DEVNAME=/dev/ttyS0
>>> E: DEVPATH=/devices/pnp0/00:05/tty/ttyS0
>>> E: ID_MM_CANDIDATE=1
>>> E: MAJOR=4
>>> E: MINOR=64
>>> E: SUBSYSTEM=tty
>>> E: TAGS=:systemd:
>>> E: USEC_INITIALIZED=955641
>>>
>>>
>>> On Mon, 27 Mar 2017 at 20:44 Aleksander Morgado<aleksander at aleksander.es>
>>> wrote:
>>>> On Mon, Mar 27, 2017 at 6:04 PM, carlo<c.lobrano at gmail.com>  wrote:
>>>>>> Does this work?
>>>>>>
>>>>>> # cat <<EOF > /lib/udev/rules.d/78-mm-serial.rules
>>>>>> ACTION!="add|change|move", GOTO="mm_serial_end"
>>>>>> DEVPATH=”/devices/pnp0/00:05/tty/ttyS0”
>>>>>> ENV{ID_MM_PLATFORM_DRIVER_PROBE}=”1”
>>>>>> LABEL=”mm_serial_end"
>>>>>> EOF
>>>>>> # udevadm control --reload
>>>>>> # udevadm trigger
>>>>>> // Relaunch MM
>> Ok, please retry after adding the missing comma between the DEVPATH and the ENV:
>>
>> # cat <<EOF > /lib/udev/rules.d/78-mm-serial.rules
>> ACTION!="add|change|move", GOTO="mm_serial_end"
>> DEVPATH="/devices/pnp0/00:05/tty/ttyS0", ENV{ID_MM_PLATFORM_DRIVER_PROBE}="1"
>> LABEL="mm_serial_end"
>> EOF
>> # udevadm control --reload
>> # udevadm trigger
>> # udevadm info -p /sys/class/tty/ttyS0
>>
>> This should really add the tag.
>>
>

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