EM7511 not connected to any network

IoT Modules MC/EM Series
#3

At!gstatus?
!GSTATUS:
Current Time: 104 Temperature: 37
Reset Counter: 1 Mode: LOW POWER MODE

OK
At+cpin?
+CPIN: READY

OK
AT!ENTERCND=“A710”
OK
At!impref?
!IMPREF:
preferred fw version: 00.00.00.00
preferred carrier name: AUTO-SIM
preferred config name: AUTO-SIM_000.000_000
current fw version: 01.07.00.00
current carrier name: GENERIC
current config name: GENERIC_002.002_000

OK

#4

The configurations in at!impref is not matched

You might need to download fw

#5

can you explain the steps?

#6

Downlod the exe and update the fw

https://source.sierrawireless.com/resources/airprime/minicard/75xx/airprime-em_mc75xx-approved-fw-packages/

#7

we are working on linux system,so can you provide steps for the updation?

#8

You can see here

Also you can see here

#9

in my ls /dev there is no cdc_wdm

#10

i"m working with Jetson Xavier board,can you please tell the correct steps for the installation of MBPL driver and firmware update.I was only able install the usb driver.

#11

please see here:

#12

after MBPL R23 USB driver install nothing will create in /sys/class/net

#13

how about R20 USB driver?

#14

It show some errors.

#15

MBPL_Drivers_USB_R20_ENG1-src/USB/qmi_wwan.c:11:10: fatal error: linux/sched/signal.h: No such file or directory
#include <linux/sched/signal.h>
^~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
scripts/Makefile.build:341: recipe for target ‘/home/cdac/Downloads/MBPL_Drivers_USB_R20_ENG1-src/USB/qmi_wwan.o’ failed
make[2]: *** [/home/cdac/Downloads/MBPL_Drivers_USB_R20_ENG1-src/USB/qmi_wwan.o] Error 1
Makefile:1646: recipe for target ‘module/home/cdac/Downloads/MBPL_Drivers_USB_R20_ENG1-src/USB’ failed
make[1]: *** [module/home/cdac/Downloads/MBPL_Drivers_USB_R20_ENG1-src/USB] Error 2
make[1]: Leaving directory ‘/usr/src/linux-headers-4.9.201-tegra-ubuntu18.04_aarch64/kernel-4.9’
Makefile:12: recipe for target ‘all’ failed
make: *** [all] Error 2

#16

change it to

#include <linux/signal.h>

#17

After MBPL R20 USB driver install nothing will create in /sys/class/net

#18

what did you see for dmesg?
do you see the network interface wwan0?

#19

[12361.755365] Extcon AUX1(HDMI) disable
[12361.779268] tegra_nvdisp_handle_pd_disable: Powergated Head1 pd
[12361.779788] tegra_nvdisp_handle_pd_disable: Powergated Head0 pd
[13090.155281] tegradc 15200000.nvdisplay: unblank
[13090.156149] tegra_nvdisp_handle_pd_enable: Unpowergated Head0 pd
[13090.156267] tegra_nvdisp_handle_pd_enable: Unpowergated Head1 pd
[13090.158199] Parent Clock set for DC plld2
[13090.164341] tegradc 15200000.nvdisplay: hdmi: tmds rate:85500K prod-setting:prod_c_hdmi_54m_111m
[13090.165837] tegradc 15200000.nvdisplay: hdmi: get YCC quant from EDID.
[13090.201353] extcon-disp-state external-connection:disp-state: cable 47 state 1
[13090.201358] Extcon AUX1(HDMI) enable
[13090.220486] tegradc 15200000.nvdisplay: unblank
[13090.220504] tegradc 15210000.nvdisplay: blank - powerdown
[13526.107972] usb_wwan: exports duplicate symbol usb_wwan_chars_in_buffer (owned by kernel)

#20

other user can upgrade the FW:

How about doing AT!BOOTHOLD and then run the fw download command?

#21

but i dont have any -p flag /dev/cdc-wdm0

#22

ls: cannot access ‘/dev/cdc-wdm*’: No such file or directory