Daniel Lee / Mbed OS mbed-os-example-cellular-BG96

Test code that Cat.M1 of BG96 for SK Telecom in Korea

This example showing how to use Cat.M1(BG96 module) of SK telecom network in Korea. You need a WIZnet BG96 board or can connect directly to M2Mnet BG96 module and development board.

  • If you are using Mbed OS 5.11.5 version, please see here!
  • Pelion ready example code is here!

board board

Or

/media/uploads/Daniel_Lee/small_pic.jpg

/media/uploads/Daniel_Lee/screen_shot_2019-11-14_at_1.38.16_pm.png

  • BG96 RESET = D7
  • BG96 PWRKEY = D9
  • BG96 RX = D0(or D2)
  • BG96 TX = D1(or D8)
  • BG96 VCC = VCC(5V)
  • BG96 GND = GND

Tested with

  • NUCLEO_F429ZI
  • DISCO_L475VG_IOT01A
  • K66F
  • K64F

Below boards are Need to connect board's D2 and D8 to BG96's TX and RX on mbed_app.json

  • NUCLEO_L152RE
  • NUCLEO_F401RE 

 "QUECTEL_BG96.tx": "D8",
 "QUECTEL_BG96.rx": "D2",

1. Import the application into your desktop:

 mbed import https://os.mbed.com/users/Daniel_Lee/code/mbed-os-example-cellular-BG96/

 cd mbed-os-example-cellular-BG96

2. Compile and program:

mbed compile -t <toolchain> -m <TARGET_BOARD>

(supported toolchains : GCC_ARM / ARM / IAR)

3. Download binary to a target board

4. Result

mbed-os-example-cellular


Built: Jul 24 2019, 14:55:22


[MAIN], plmn: NULL
Establishing connection
M2Mnet(BG96) Power ON
[00005501ms][INFO][CELL]: New CellularContext  (20004120)
[00005501ms][INFO][CELL]: CellularContext plmn NULL
[00005502ms][INFO][CELL]: CellularContext connect
[00006503ms][INFO][CELL]: Start connecting (timeout 1000 ms)
[00006512ms][INFO][CELL]: RSSI unknown
[00006520ms][INFO][CELL]: Modem ready
[00006524ms][INFO][CELL]: RSSI unknown
[00006524ms][INFO][CELL]: Setup SIM (timeout 1000 ms)
[00006529ms][INFO][CELL]: SIM is ready
[00006558ms][INFO][CELL]: RSSI unknown
[00006566ms][INFO][CELL]: Network registration (timeout 1000 ms)
[00006570ms][INFO][CELL]: Continue after 1 seconds
[00006964ms][ERR ][CELL]: AT overflow
[00007576ms][INFO][CELL]: RSSI unknown
[00007582ms][INFO][CELL]: Registering network => Attaching network
[00007586ms][INFO][CELL]: RSSI unknown
[00007586ms][INFO][CELL]: Attaching network (timeout 1000 ms)
[00007660ms][INFO][CELL]: Found PDP context 7
[00007663ms][INFO][CELL]: Activate PDP context 7
[00009733ms][INFO][CELL]: Found PDP context 7

Connection Established.
[00009742ms][INFO][CELL]: Socket 0 open
[00009752ms][INFO][CELL]: Socket 1 open
[00009786ms][INFO][CELL]: Socket 1 sent 43 bytes to 8.8.8.8 port 53
[00009967ms][INFO][CELL]: Socket 1 recv 71 bytes from 64:ff9b::808:808 port 53
[00009972ms][INFO][CELL]: Socket 1 closed
TCP: connected with echo.mbedcloudtesting.com server
[00010384ms][INFO][CELL]: Socket 0 sent 4 bytes to 2a05:d018:21f:3800:3164:2a5c7
TCP: Sent 4 Bytes to echo.mbedcloudtesting.com
[00011257ms][INFO][CELL]: Socket 0 recv 4 bytes
[00021263ms][INFO][CELL]: Socket 0 closed
Received from echo server 4 Bytes
[00021263ms][INFO][CELL]: CellularContext disconnect()
[00021264ms][INFO][CELL]: cb: CellularContext disconnected


Success. Exiting

5. Patched code

If need more information such as how to test, please look at https://os.mbed.com/teams/mbed-os-examples/code/mbed-os-example-cellular/.

History

Update latest commit default tip

2019-07-24, by Daniel_Lee [Wed, 24 Jul 2019 15:27:53 +0000] rev 44

Update latest commit

1. Added BG96 power on sequence.; 2. IPv4 disable, enable only IPv6 for stable access

2019-07-24, by Daniel_Lee [Wed, 24 Jul 2019 15:16:05 +0000] rev 43

1. Added BG96 power on sequence.; 2. IPv4 disable, enable only IPv6 for stable access

Sync with latest local branch

2019-06-18, by Daniel_Lee [Tue, 18 Jun 2019 06:45:22 +0000] rev 42

Sync with latest local branch

Fixed IPV6 only when using BG96 thought SKTelecom

2019-06-04, by Daniel_Lee [Tue, 04 Jun 2019 07:12:53 +0000] rev 41

Fixed IPV6 only when using BG96 thought SKTelecom

Update latest from local branch

2019-05-24, by Daniel_Lee [Fri, 24 May 2019 07:17:13 +0000] rev 40

Update latest from local branch

mbed-os update latest

2019-05-07, by Daniel_Lee [Tue, 07 May 2019 06:34:10 +0000] rev 39

mbed-os update latest

Does not support IPV4 SKtelecom's CatM1 in Korea.

2019-04-29, by Daniel_Lee [Mon, 29 Apr 2019 05:55:11 +0000] rev 38

Does not support IPV4 SKtelecom's CatM1 in Korea.

Init Cat.M1 of BG96 for SK Telecom

2019-04-25, by Daniel_Lee [Thu, 25 Apr 2019 08:19:34 +0000] rev 37

Init Cat.M1 of BG96 for SK Telecom

Merge pull request #131 from ARMmbed/release-candidate

2019-04-11, by mbed_official [Thu, 11 Apr 2019 10:02:01 +0100] rev 36

Merge pull request #131 from ARMmbed/release-candidate

Updating mbed-os to mbed-os-5.12.1
.
Commit copied from https://github.com/ARMmbed/mbed-os-example-cellular

Merge pull request #122 from adbridge/master

2019-02-26, by mbed_official [Tue, 26 Feb 2019 07:02:26 +0000] rev 35

Merge pull request #122 from adbridge/master

Updating mbed-os to mbed-os-5.11.5
.
Commit copied from https://github.com/ARMmbed/mbed-os-example-cellular