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/.

mbed_app.json@11:23ea0907186e, 2018-06-18 (annotated)

Committer:
mbed_official
Date:
Mon Jun 18 09:00:19 2018 +0100
Revision:
11:23ea0907186e
Parent:
6:5678c0b6f74e
Child:
19:2cb9398aaf16
Merge pull request #85 from AriParkkila/merge-mbed-os-5.9.0



Merge mbed os 5.9.0

.

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

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:4611f6cf2413 1 {
mbed_official 0:4611f6cf2413 2 "config": {
mbed_official 0:4611f6cf2413 3 "sock-type": "TCP",
mbed_official 0:4611f6cf2413 4 "sim-pin-code": {
mbed_official 0:4611f6cf2413 5 "help": "SIM PIN code",
mbed_official 0:4611f6cf2413 6 "value": "\"1234\""
mbed_official 0:4611f6cf2413 7 },
mbed_official 0:4611f6cf2413 8 "apn": {
mbed_official 0:4611f6cf2413 9 "help": "The APN string to use for this SIM/network, set to 0 if none",
mbed_official 0:4611f6cf2413 10 "value": "\"internet\""
mbed_official 0:4611f6cf2413 11 },
mbed_official 0:4611f6cf2413 12 "username": {
mbed_official 0:4611f6cf2413 13 "help": "The user name string to use for this APN, set to zero if none",
mbed_official 0:4611f6cf2413 14 "value": 0
mbed_official 0:4611f6cf2413 15 },
mbed_official 0:4611f6cf2413 16 "password": {
mbed_official 0:4611f6cf2413 17 "help": "The password string to use for this APN, set to 0 if none",
mbed_official 0:4611f6cf2413 18 "value": 0
mbed_official 6:5678c0b6f74e 19 },
mbed_official 11:23ea0907186e 20 "echo-server-hostname": {
mbed_official 11:23ea0907186e 21 "help": "Echo server host name.",
mbed_official 11:23ea0907186e 22 "value": "\"echo.mbedcloudtesting.com\""
mbed_official 11:23ea0907186e 23 },
mbed_official 11:23ea0907186e 24 "echo-server-port": {
mbed_official 11:23ea0907186e 25 "help": "Echo server port number.",
mbed_official 11:23ea0907186e 26 "value": 7
mbed_official 11:23ea0907186e 27 },
mbed_official 6:5678c0b6f74e 28 "trace-level": {
mbed_official 6:5678c0b6f74e 29 "help": "Options are TRACE_LEVEL_ERROR,TRACE_LEVEL_WARN,TRACE_LEVEL_INFO,TRACE_LEVEL_DEBUG",
mbed_official 6:5678c0b6f74e 30 "macro_name": "MBED_TRACE_MAX_LEVEL",
mbed_official 6:5678c0b6f74e 31 "value": "TRACE_LEVEL_INFO"
mbed_official 0:4611f6cf2413 32 }
mbed_official 6:5678c0b6f74e 33 },
mbed_official 0:4611f6cf2413 34 "target_overrides": {
mbed_official 0:4611f6cf2413 35 "*": {
mbed_official 11:23ea0907186e 36 "target.features_add": ["LWIP"],
mbed_official 6:5678c0b6f74e 37 "mbed-trace.enable": false,
mbed_official 0:4611f6cf2413 38 "lwip.ipv4-enabled": true,
mbed_official 0:4611f6cf2413 39 "lwip.ethernet-enabled": false,
mbed_official 0:4611f6cf2413 40 "lwip.ppp-enabled": true,
mbed_official 0:4611f6cf2413 41 "lwip.tcp-enabled": true,
mbed_official 0:4611f6cf2413 42 "platform.stdio-convert-newlines": true,
mbed_official 0:4611f6cf2413 43 "platform.stdio-baud-rate": 115200,
mbed_official 6:5678c0b6f74e 44 "platform.default-serial-baud-rate": 115200,
mbed_official 11:23ea0907186e 45 "platform.stdio-buffered-serial": true,
mbed_official 11:23ea0907186e 46 "cellular.debug-at": false
mbed_official 0:4611f6cf2413 47 }
mbed_official 0:4611f6cf2413 48 }
mbed_official 0:4611f6cf2413 49 }