On Thu, Apr 6, 2017 at 12:39 AM, Jan Graczyk <j...@nytec.com> wrote:
> Thank you for your response. I have looked into ModemManager version 1.6.4
> and this patch you are mentioning in your e-mail does not reflect the line
> number in src/mm-base-modem.c:
>
> @@ -219,6 +219,12 @@ mm_base_modem_grab_port (MMBaseModem *self,
> "timed-out",
> G_CALLBACK (serial_port_timed_out_cb),
> self);
> +
> + /* For serial ports, optionally use a specific baudrate */
> + if (mm_kernel_device_has_property (kernel_device,
> "ID_MM_TTY_BAUDRATE"))
> + g_object_set (port,
> + MM_PORT_SERIAL_BAUD,
> mm_kernel_device_get_property_as_int (kernel_device, "ID_MM_TTY_BAUDRATE"),
> + NULL);
> }
> /* Net ports... */
> else if (g_str_equal (subsys, "net")) {
>
> I also have built ModemManager1.6.4 for ARM architecture and run on my
> development board. However I am getting the following error:
>
> ModemManager[1631]: <debug> [1491431437.689341] [mm-plugin.c:804]
> mm_plugin_supports_port(): (Generic) [ttymxc2] probe required: 'at, qcdm'
> ModemManager[1631]: <debug> [1491431437.689422] [mm-port-probe.c:1376]
> mm_port_probe_run(): (tty/ttymxc2) port probing finished: no more probings
> needed
> ModemManager[1631]: <debug> [1491431437.689575] [mm-plugin-manager.c:283]
> port_context_supported(): [plugin manager] task 0,ttymxc2: found best plugin
> for port (Generic)
> ModemManager[1631]: <debug> [1491431437.689678] [mm-plugin-manager.c:265]
> port_context_complete(): [plugin manager] task 0,ttymxc2: finished in
> '10.416165' seconds
> ModemManager[1631]: <debug> [1491431437.690192] [mm-plugin-manager.c:979]
> device_context_continue(): [plugin manager] task 0: no more ports to probe
> ModemManager[1631]: <debug> [1491431437.690297] [mm-plugin-manager.c:813]
> device_context_complete(): [plugin manager] task 0: finished in '10.417578'
> seconds
> ModemManager[1631]: <info> [1491431437.690453] [mm-device.c:525]
> mm_device_create_modem(): Creating modem with plugin 'Generic' and '1' ports
> ModemManager: symbol lookup error: ModemManager: undefined symbol:
> mm_gdbus_modem_voice_skeleton_get_type
>
> Could you tell me which version of ModemManager I should use?
If you want to configure baudrate via udev rules, you should use
ModemManager from git master. Or, default to 57600bps in the modem.
But, as Dan said in a couple of emails back, this modem should be
running in QMI mode, and therefore controlled via cdc-wdm port and
with data connection over a WWAN port. If this is a custom system
you're preparing, you should check your build and see why the qmi_wwan
or cdc-wdm kernel modules aren't being built or used.
--
Aleksander
https://aleksander.es
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