Re: Anyone got AT commands work using asio serial port?

From: JH (jupiter.hce_at_[hidden])
Date: 2020-01-15 01:25:13

Hi Sergei,

Thanks for your response.

On 1/14/20, Sergei Nikulov <sergey.nikulov_at_[hidden]> wrote:
> Hello JH
>
> If SerialOptions defaults (parity, csize, flow, stop) are good for you

Yes, I was using all defaults, that should work right?

> SerialOptions() : device(), baudrate(9600), timeout(seconds(0)),
>             parity(noparity), csize(8), flow(noflow), stop(one) {}

The only different was I set baudrate to 115200, I changed to use
9600, doesn't seem work either.

> then try to add \r to the end of your AT command
> - serial<<"AT+CGDCONT?" << endl;.
> + serial<<"AT+CGDCONT?\r\n";
I did try to add "\r\n", no avail.

Hmm, did not realize boost serial port is that hard, any working boost
serial port samples online?

Thank you.

Kind regards,

- jh

> AFAIR, AT commands, use it as line end (ref
> https://en.wikipedia.org/wiki/Hayes_command_set), but on Linux
> std::endl only LF(0x0A).
> Maybe this is your case.
> HTH.
>
> вт, 14 янв. 2020 г. в 02:34, JH <jupiter.hce_at_[hidden]>:
>>
>> Hi Sergei,
>>
>> Thanks for your response.
>>
>> Please find code I found from Internet attached, the same baud rate,
>> serial port and AT command I can get response from minicom, but empty
>> response from the boost serial port, I don't think it was the baud
>> rate issue or option parameters issue, but I could be wrong.
>>
>> Appreciate if you could get it work.
>>
>> Thank you.
>>
>> Kind regards,
>>
>> - jh
>>
>> On 1/13/20, Sergei Nikulov <sergey.nikulov_at_[hidden]> wrote:
>> > пн, 13 янв. 2020 г. в 12:12, JH via Boost <boost_at_[hidden]>:
>> >>
>> >> Hi,
>> >>
>> >> There are many boost serial port sample code out there, but none of
>> >> them I can run AT command. I have a device connected to my ubuntu 18,
>> >> I can run AT command on minicom to get correct response, but I could
>> >> not get any AT response from boost serial port. Has anyone made it
>> >> work?
>> >>
>> >> Thank you.
>> >>
>> >> Kind regards,
>> >>
>> >> - jh
>> >>
>> >> _______________________________________________
>> >> Unsubscribe & other changes:
>> >> http://lists.boost.org/mailman/listinfo.cgi/boost
>> >
>> > Could you please show the code?
>> > Just guess, incorrect baud rate or other config parameters (ref.
>> > https://www.boost.org/doc/libs/1_72_0/doc/html/boost_asio/reference/basic_serial_port/set_option.html)
>> >
>> > --
>> > Best Regards,
>> > Sergei Nikulov
>> >
>
>
>
> --
> Best Regards,
> Sergei Nikulov
>