Telit LE910C1 - GPS integration

David Khouya dakhouya at gmail.com
Mon May 4 17:40:24 UTC 2020


Hi,

> Then we need to debug why we were not able to get any LOC indication
> with NMEA traces in David's setup.

> David, could you retry to setup the location using the QMI protocol
> (i.e. without your changes) but enabling both "nmea" and "raw"
> locations?
> Also, another test could be to enable MSB A-GPS or MSA A-GPS and see
> what happens.

Sure, here are the logs:

mmcli -m 0
---------------------------------------------------------------------------------------
  General  |            dbus path: /org/freedesktop/ModemManager1/Modem/0
           |            device id: 3722d156689e3dccd0080cdb2418e5159e13c738
  --------------------------------
  Hardware |         manufacturer: QUALCOMM INCORPORATED
           |                model: LE910C1-NA
           |    firmware revision: 25.00.212  1  [Feb 03 2017 10:00:00]
           |       carrier config: default
           |         h/w revision: 10000
           |            supported: gsm-umts, lte
           |              current: gsm-umts, lte
           |         equipment id: *
  --------------------------------
  System   |               device:
/sys/devices/soc0/soc/2100000.aips-bus/2184200.usb/ci_hdrc.1/usb2/2-1
           |              drivers: option1, qmi_wwan
           |               plugin: Telit
           |         primary port: cdc-wdm0
           |                ports: ttyUSB0 (unknown), ttyUSB1 (gps),
ttyUSB2 (at),
           |                       cdc-wdm0 (qmi), wwan0 (net), ttyUSB4
(unknown), ttyUSB3 (at)
  --------------------------------
  Status   |                 lock: sim-pin2
           |       unlock retries: sim-pin (5), sim-pin2 (5), sim-puk (10),
sim-puk2 (10)
           |                state: connected
           |          power state: on
           |          access tech: umts
           |       signal quality: 57% (recent)
  --------------------------------
  Modes    |            supported: allowed: 2g; preferred: none
           |                       allowed: 3g; preferred: none
           |                       allowed: 4g; preferred: none
           |                       allowed: 2g, 3g; preferred: 3g
           |                       allowed: 2g, 3g; preferred: 2g
           |                       allowed: 2g, 4g; preferred: 4g
           |                       allowed: 2g, 4g; preferred: 2g
           |                       allowed: 3g, 4g; preferred: 3g
           |                       allowed: 3g, 4g; preferred: 4g
           |                       allowed: 2g, 3g, 4g; preferred: 4g
           |                       allowed: 2g, 3g, 4g; preferred: 3g
           |                       allowed: 2g, 3g, 4g; preferred: 2g
           |              current: allowed: 2g, 3g, 4g; preferred: 3g
  --------------------------------
  Bands    |            supported: egsm, dcs, pcs, g850, utran-1, utran-4,
utran-5, utran-8,
           |                       utran-2, eutran-2, eutran-4, eutran-12
           |              current: egsm, dcs, pcs, g850, utran-1, utran-4,
utran-5, utran-8,
           |                       utran-2, eutran-2, eutran-4, eutran-12
  --------------------------------
  IP       |            supported: ipv4, ipv6, ipv4v6
  --------------------------------
  3GPP     |                 imei: *
           |          operator id: *
           |        operator name: *
           |         registration: home
  --------------------------------
  3GPP EPS | ue mode of operation: csps-1
  --------------------------------
  SIM      |            dbus path: /org/freedesktop/ModemManager1/SIM/0
  --------------------------------
  Bearer   |            dbus path: /org/freedesktop/ModemManager1/Bearer/0
-------------------------------------------------------


mmcli -m 0 --location-enable-gps-raw
-------------------------------------------------------
<debug> [1588613175.107558] Setting up location sources: '3gpp-lac-ci,
gps-raw'
<debug> [1588613175.107665] Location '3gpp-lac-ci' gathering is already
enabled...
<debug> [1588613175.107700] Location 'gps-nmea' gathering is already
disabled...
<debug> [1588613175.107729] Location 'agps-msa' gathering is already
disabled...
<debug> [1588613175.107752] Location 'agps-msb' gathering is already
disabled...
<debug> [1588613175.107773] Need to enable the following location sources:
'gps-raw'
[/dev/cdc-wdm0] sent message...
<<<<<< RAW:
<<<<<<   length = 38
<<<<<<   data   =
01:25:00:00:10:01:00:06:00:22:00:19:00:13:04:00:E8:03:00:00:12:04:00:02:00:00:00:10:04:00:01:00:00:00:01:01:00:10
[/dev/cdc-wdm0] sent generic request (translated)...
<<<<<< QMUX:
<<<<<<   length  = 37
<<<<<<   flags   = 0x00
<<<<<<   service = "loc"
<<<<<<   client  = 1
<<<<<< QMI:
<<<<<<   flags       = "none"
<<<<<<   transaction = 6
<<<<<<   tlv_length  = 25
<<<<<<   message     = "Start" (0x0022)
<<<<<< TLV:
<<<<<<   type       = "Minimum Interval between Position Reports" (0x13)
<<<<<<   length     = 4
<<<<<<   value      = E8:03:00:00
<<<<<<   translated = 1000
<<<<<< TLV:
<<<<<<   type       = "Intermediate Report State" (0x12)
<<<<<<   length     = 4
<<<<<<   value      = 02:00:00:00
<<<<<<   translated = disable
<<<<<< TLV:
<<<<<<   type       = "Fix Recurrence Type" (0x10)
<<<<<<   length     = 4
<<<<<<   value      = 01:00:00:00
<<<<<<   translated = periodic-fixes
<<<<<< TLV:
<<<<<<   type       = "Session ID" (0x01)
<<<<<<   length     = 1
<<<<<<   value      = 10
<<<<<<   translated = 16
[/dev/cdc-wdm0] received message...
<<<<<< RAW:
<<<<<<   length = 20
<<<<<<   data   =
01:13:00:80:10:01:02:06:00:22:00:07:00:02:04:00:00:00:00:00
[/dev/cdc-wdm0] received generic response (translated)...
<<<<<< QMUX:
<<<<<<   length  = 19
<<<<<<   flags   = 0x80
<<<<<<   service = "loc"
<<<<<<   client  = 1
<<<<<< QMI:
<<<<<<   flags       = "response"
<<<<<<   transaction = 6
<<<<<<   tlv_length  = 7
<<<<<<   message     = "Start" (0x0022)
<<<<<< TLV:
<<<<<<   type       = "Result" (0x02)
<<<<<<   length     = 4
<<<<<<   value      = 00:00:00:00
<<<<<<   translated = SUCCESS
[/dev/cdc-wdm0] sent message...
<<<<<< RAW:
<<<<<<   length = 24
<<<<<<   data   =
01:17:00:00:10:01:00:07:00:21:00:0B:00:01:08:00:04:00:00:00:00:00:00:00
[/dev/cdc-wdm0] sent generic request (translated)...
<<<<<< QMUX:
<<<<<<   length  = 23
<<<<<<   flags   = 0x00
<<<<<<   service = "loc"
<<<<<<   client  = 1
<<<<<< QMI:
<<<<<<   flags       = "none"
<<<<<<   transaction = 7
<<<<<<   tlv_length  = 11
<<<<<<   message     = "Register Events" (0x0021)
<<<<<< TLV:
<<<<<<   type       = "Event Registration Mask" (0x01)
<<<<<<   length     = 8
<<<<<<   value      = 04:00:00:00:00:00:00:00
<<<<<<   translated = nmea
[/dev/cdc-wdm0] received message...
<<<<<< RAW:
<<<<<<   length = 20
<<<<<<   data   =
01:13:00:80:10:01:02:07:00:21:00:07:00:02:04:00:00:00:00:00
[/dev/cdc-wdm0] received generic response (translated)...
<<<<<< QMUX:
<<<<<<   length  = 19
<<<<<<   flags   = 0x80
<<<<<<   service = "loc"
<<<<<<   client  = 1
<<<<<< QMI:
<<<<<<   flags       = "response"
<<<<<<   transaction = 7
<<<<<<   tlv_length  = 7
<<<<<<   message     = "Register Events" (0x0021)
<<<<<< TLV:
<<<<<<   type       = "Result" (0x02)
<<<<<<   length     = 4
<<<<<<   value      = 00:00:00:00
<<<<<<   translated = SUCCESS
-------------------------------------------------------


mmcli -m 0 --location-enable-gps-nmea
-------------------------------------------------------
<debug> [1588613267.273298] Setting up location sources: '3gpp-lac-ci,
gps-raw, gps-nmea'
<debug> [1588613267.273400] Location '3gpp-lac-ci' gathering is already
enabled...
<debug> [1588613267.273431] Location 'gps-raw' gathering is already
enabled...
<debug> [1588613267.273459] Location 'agps-msa' gathering is already
disabled...
<debug> [1588613267.273486] Location 'agps-msb' gathering is already
disabled...
<debug> [1588613267.273510] Need to enable the following location sources:
'gps-nmea'
<debug> [1588613270.616174] loading signal quality...
[/dev/cdc-wdm0] sent message...
<<<<<< RAW:
<<<<<<   length = 13
<<<<<<   data   = 01:0C:00:00:03:04:00:20:00:20:00:00:00
[/dev/cdc-wdm0] sent generic request (translated)...
<<<<<< QMUX:
<<<<<<   length  = 12
<<<<<<   flags   = 0x00
<<<<<<   service = "nas"
<<<<<<   client  = 4
<<<<<< QMI:
<<<<<<   flags       = "none"
<<<<<<   transaction = 32
<<<<<<   tlv_length  = 0
<<<<<<   message     = "Get Signal Strength" (0x0020)
[/dev/cdc-wdm0] received message...
<<<<<< RAW:
<<<<<<   length = 25
<<<<<<   data   =
01:18:00:80:03:04:02:20:00:20:00:0C:00:02:04:00:00:00:00:00:01:02:00:BB:08
[/dev/cdc-wdm0] received generic response (translated)...
<<<<<< QMUX:
<<<<<<   length  = 24
<<<<<<   flags   = 0x80
<<<<<<   service = "nas"
<<<<<<   client  = 4
<<<<<< QMI:
<<<<<<   flags       = "response"
<<<<<<   transaction = 32
<<<<<<   tlv_length  = 12
<<<<<<   message     = "Get Signal Strength" (0x0020)
<<<<<< TLV:
<<<<<<   type       = "Result" (0x02)
<<<<<<   length     = 4
<<<<<<   value      = 00:00:00:00
<<<<<<   translated = SUCCESS
<<<<<< TLV:
<<<<<<   type       = "Signal Strength" (0x01)
<<<<<<   length     = 2
<<<<<<   value      = BB:08
<<<<<<   translated = [ strength = '-69' radio_interface = 'lte' ]
<debug> [1588613270.626584] Signal strength (lte): -69 dBm
<debug> [1588613270.626645] Signal strength: -69 dBm --> 71%
<debug> [1588613270.627074] Modem /org/freedesktop/ModemManager1/Modem/0:
signal quality updated (71)
<debug> [1588613270.627185] Periodic signal quality and access technology
checks scheduled
[/dev/cdc-wdm0] sent message...
<<<<<< RAW:
<<<<<<   length = 20
<<<<<<   data   =
01:13:00:00:01:14:00:17:00:24:00:07:00:01:04:00:C0:00:00:00
[/dev/cdc-wdm0] sent generic request (translated)...
<<<<<< QMUX:
<<<<<<   length  = 19
<<<<<<   flags   = 0x00
<<<<<<   service = "wds"
<<<<<<   client  = 20
<<<<<< QMI:
<<<<<<   flags       = "none"
<<<<<<   transaction = 23
<<<<<<   tlv_length  = 7
<<<<<<   message     = "Get Packet Statistics" (0x0024)
<<<<<< TLV:
<<<<<<   type       = "Mask" (0x01)
<<<<<<   length     = 4
<<<<<<   value      = C0:00:00:00
<<<<<<   translated = tx-bytes-ok, rx-bytes-ok
[/dev/cdc-wdm0] received message...
<<<<<< RAW:
<<<<<<   length = 42
<<<<<<   data   =
01:29:00:80:01:14:02:17:00:24:00:1D:00:02:04:00:00:00:00:00:19:08:00:A6:B9:00:00:00:00:00:00:1A:08:00:1A:24:02:00:00:00:00:00
[/dev/cdc-wdm0] received generic response (translated)...
<<<<<< QMUX:
<<<<<<   length  = 41
<<<<<<   flags   = 0x80
<<<<<<   service = "wds"
<<<<<<   client  = 20
<<<<<< QMI:
<<<<<<   flags       = "response"
<<<<<<   transaction = 23
<<<<<<   tlv_length  = 29
<<<<<<   message     = "Get Packet Statistics" (0x0024)
<<<<<< TLV:
<<<<<<   type       = "Result" (0x02)
<<<<<<   length     = 4
<<<<<<   value      = 00:00:00:00
<<<<<<   translated = SUCCESS
<<<<<< TLV:
<<<<<<   type       = "Tx Bytes Ok" (0x19)
<<<<<<   length     = 8
<<<<<<   value      = A6:B9:00:00:00:00:00:00
<<<<<<   translated = 47526
<<<<<< TLV:
<<<<<<   type       = "Rx Bytes Ok" (0x1a)
<<<<<<   length     = 8
<<<<<<   value      = 1A:24:02:00:00:00:00:00
<<<<<<   translated = 140314
-------------------------------------------------------


mmcli -m 0 --location-enable-agps-msa
-------------------------------------------------------
<debug> [1588613513.330873] Setting up location sources: '3gpp-lac-ci,
gps-raw, gps-nmea, agps-msa'
<debug> [1588613513.330980] Location '3gpp-lac-ci' gathering is already
enabled...
<debug> [1588613513.331011] Location 'gps-raw' gathering is already
enabled...
<debug> [1588613513.331038] Location 'gps-nmea' gathering is already
enabled...
<debug> [1588613513.331065] Location 'agps-msb' gathering is already
disabled...
<debug> [1588613513.331112] Need to enable the following location sources:
'agps-msa'
[/dev/cdc-wdm0] sent message...
<<<<<< RAW:
<<<<<<   length = 13
<<<<<<   data   = 01:0C:00:00:10:01:00:08:00:4B:00:00:00
[/dev/cdc-wdm0] sent generic request (translated)...
<<<<<< QMUX:
<<<<<<   length  = 12
<<<<<<   flags   = 0x00
<<<<<<   service = "loc"
<<<<<<   client  = 1
<<<<<< QMI:
<<<<<<   flags       = "none"
<<<<<<   transaction = 8
<<<<<<   tlv_length  = 0
<<<<<<   message     = "Get Operation Mode" (0x004B)
[/dev/cdc-wdm0] received message...
<<<<<< RAW:
<<<<<<   length = 20
<<<<<<   data   =
01:13:00:80:10:01:02:08:00:4B:00:07:00:02:04:00:00:00:00:00
[/dev/cdc-wdm0] received generic response (translated)...
<<<<<< QMUX:
<<<<<<   length  = 19
<<<<<<   flags   = 0x80
<<<<<<   service = "loc"
<<<<<<   client  = 1
<<<<<< QMI:
<<<<<<   flags       = "response"
<<<<<<   transaction = 8
<<<<<<   tlv_length  = 7
<<<<<<   message     = "Get Operation Mode" (0x004B)
<<<<<< TLV:
<<<<<<   type       = "Result" (0x02)
<<<<<<   length     = 4
<<<<<<   value      = 00:00:00:00
<<<<<<   translated = SUCCESS
[/dev/cdc-wdm0] received message...
<<<<<< RAW:
<<<<<<   length = 27
<<<<<<   data   =
01:1A:00:80:10:01:04:03:00:4B:00:0E:00:01:04:00:00:00:00:00:10:04:00:04:00:00:00
[/dev/cdc-wdm0] received generic indication (translated)...
<<<<<< QMUX:
<<<<<<   length  = 26
<<<<<<   flags   = 0x80
<<<<<<   service = "loc"
<<<<<<   client  = 1
<<<<<< QMI:
<<<<<<   flags       = "indication"
<<<<<<   transaction = 3
<<<<<<   tlv_length  = 14
<<<<<<   message     = "Get Operation Mode" (0x004B)
<<<<<< TLV:
<<<<<<   type       = "Indication Status" (0x01)
<<<<<<   length     = 4
<<<<<<   value      = 00:00:00:00
<<<<<<   translated = success
<<<<<< TLV:
<<<<<<   type       = "Operation Mode" (0x10)
<<<<<<   length     = 4
<<<<<<   value      = 04:00:00:00
<<<<<<   translated = standalone
<debug> [1588613513.380125] Need to enable MSA A-GPS
[/dev/cdc-wdm0] sent message...
<<<<<< RAW:
<<<<<<   length = 20
<<<<<<   data   =
01:13:00:00:10:01:00:09:00:4A:00:07:00:01:04:00:03:00:00:00
[/dev/cdc-wdm0] sent generic request (translated)...
<<<<<< QMUX:
<<<<<<   length  = 19
<<<<<<   flags   = 0x00
<<<<<<   service = "loc"
<<<<<<   client  = 1
<<<<<< QMI:
<<<<<<   flags       = "none"
<<<<<<   transaction = 9
<<<<<<   tlv_length  = 7
<<<<<<   message     = "Set Operation Mode" (0x004A)
<<<<<< TLV:
<<<<<<   type       = "Operation Mode" (0x01)
<<<<<<   length     = 4
<<<<<<   value      = 03:00:00:00
<<<<<<   translated = msa
[/dev/cdc-wdm0] received message...
<<<<<< RAW:
<<<<<<   length = 17
<<<<<<   data   = 01:10:00:80:01:14:04:22:01:01:00:04:00:18:01:00:01
[/dev/cdc-wdm0] received generic indication (translated)...
<<<<<< QMUX:
<<<<<<   length  = 16
<<<<<<   flags   = 0x80
<<<<<<   service = "wds"
<<<<<<   client  = 20
<<<<<< QMI:
<<<<<<   flags       = "indication"
<<<<<<   transaction = 290
<<<<<<   tlv_length  = 4
<<<<<<   message     = "Event Report" (0x0001)
<<<<<< TLV:
<<<<<<   type       = "Dormancy Status" (0x18)
<<<<<<   length     = 1
<<<<<<   value      = 01
<<<<<<   translated = traffic-channel-dormant
<debug> [1588613513.412047] Got QMI WDS event report
[/dev/cdc-wdm0] received message...
<<<<<< RAW:
<<<<<<   length = 20
<<<<<<   data   =
01:13:00:80:10:01:02:09:00:4A:00:07:00:02:04:00:00:00:00:00
[/dev/cdc-wdm0] received generic response (translated)...
<<<<<< QMUX:
<<<<<<   length  = 19
<<<<<<   flags   = 0x80
<<<<<<   service = "loc"
<<<<<<   client  = 1
<<<<<< QMI:
<<<<<<   flags       = "response"
<<<<<<   transaction = 9
<<<<<<   tlv_length  = 7
<<<<<<   message     = "Set Operation Mode" (0x004A)
<<<<<< TLV:
<<<<<<   type       = "Result" (0x02)
<<<<<<   length     = 4
<<<<<<   value      = 00:00:00:00
<<<<<<   translated = SUCCESS
[/dev/cdc-wdm0] received message...
<<<<<< RAW:
<<<<<<   length = 20
<<<<<<   data   =
01:13:00:80:10:01:04:04:00:4A:00:07:00:01:04:00:00:00:00:00
[/dev/cdc-wdm0] received generic indication (translated)...
<<<<<< QMUX:
<<<<<<   length  = 19
<<<<<<   flags   = 0x80
<<<<<<   service = "loc"
<<<<<<   client  = 1
<<<<<< QMI:
<<<<<<   flags       = "indication"
<<<<<<   transaction = 4
<<<<<<   tlv_length  = 7
<<<<<<   message     = "Set Operation Mode" (0x004A)
<<<<<< TLV:
<<<<<<   type       = "Indication Status" (0x01)
<<<<<<   length     = 4
<<<<<<   value      = 00:00:00:00
<<<<<<   translated = success
<debug> [1588613513.475473] MSA A-GPS operation mode enabled
[/dev/cdc-wdm0] received message...
<<<<<< RAW:
<<<<<<   length = 17
<<<<<<   data   = 01:10:00:80:01:14:04:23:01:01:00:04:00:18:01:00:02
[/dev/cdc-wdm0] received generic indication (translated)...
<<<<<< QMUX:
<<<<<<   length  = 16
<<<<<<   flags   = 0x80
<<<<<<   service = "wds"
<<<<<<   client  = 20
<<<<<< QMI:
<<<<<<   flags       = "indication"
<<<<<<   transaction = 291
<<<<<<   tlv_length  = 4
<<<<<<   message     = "Event Report" (0x0001)
<<<<<< TLV:
<<<<<<   type       = "Dormancy Status" (0x18)
<<<<<<   length     = 1
<<<<<<   value      = 02
<<<<<<   translated = traffic-channel-active
<debug> [1588613513.699663] Got QMI WDS event report
-------------------------------------------------------

With all enable it only shows the 3GPP info with mmcli -m 0 --loction-get

Note this was added to the udev rule for gps port with clean MM 1.12.8
# LE910C1 with default usb cfg
ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1201", ENV{.MM_USBIFNUM}=="00",
ENV{ID_MM_PORT_IGNORE}="1"
ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1201", ENV{.MM_USBIFNUM}=="03",
ENV{ID_MM_PORT_TYPE_GPS}="1"
ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1201", ENV{.MM_USBIFNUM}=="04",
ENV{ID_MM_PORT_TYPE_AT_PRIMARY}="1"
ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1201", ENV{.MM_USBIFNUM}=="05",
ENV{ID_MM_PORT_TYPE_AT_SECONDARY}="1"
ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1201", ENV{.MM_USBIFNUM}=="06",
ENV{ID_MM_PORT_IGNORE}="1"



On Mon, May 4, 2020 at 8:25 AM Aleksander Morgado <aleksander at aleksander.es>
wrote:

> Hey!
>
> > >
> > > > After digging for documentation with no success, I migrate the
> location interface to mm-shared-telit and added a qmi interface for the
> telit plugin. For the merge request, would it be OK to merge that kind of
> changes in 1.12 or it must me on master for the next release?
> > > >
> > >
> > > The merge request must be for master; we can then decide whether we
> > > want to include it in 1.12.x or not.
> > >
> > > But I'd like to clarify first whether not having GNSS location info
> > > from either PDS or LOC service is expected in Telit devices or not.
> > > @Daniele Palmas could you help with that?
> > >
> >
> > Yes, the C1 supports the LOC service, as well as LM940/960 and FN980.
> >
>
> Then we need to debug why we were not able to get any LOC indication
> with NMEA traces in David's setup.
>
> David, could you retry to setup the location using the QMI protocol
> (i.e. without your changes) but enabling both "nmea" and "raw"
> locations?
> Also, another test could be to enable MSB A-GPS or MSA A-GPS and see
> what happens.
>
>
> --
> Aleksander
> https://aleksander.es
>


-- 
*David Khouya*
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