bc95g

bc95g

Mynewt Driver for Quectel BC95-G NB-IoT transceiver module that implements the AT commands below as described in https://medium.com/@ly.lee/get-started-with-nb-iot-and-quectel-modules-6e7c581e0d61

[0] Prepare to transmit

• NCONFIG: configure
  
• QREGSWT: huawei
  
• NRB: reboot
  

[1] Attach to network

• NBAND: select band
  
• CFUN: enable functions
  
• CFUN?: query functions
  
• CGATT: attach network
  
• CGATT?: query attach
  
• CEREG: registration
  
• CEREG?: query registration
  

[2] Transmit message

• NSOCR: allocate port
  
• NSOST: transmit
  

[3] Receive response

• NSORF: receive msg
  
• NSOCL: close port
  

[4] Diagnostics

• CGPADDR: IP address
  
• NUESTATS: network stats
  

This driver also implements the CoAP transport for the sensor_coap library, located in the parent folder.

Connecting Quectel BC95-G module to STM32 Blue Pill

Blue Pill	BC95-G
PA2 (UART2 TX2)	RX
PA3 (UART2 RX2)	TX
5V (ST-Link)	VCC
GND	GND

The module needs additional power or it will keep rebooting when we power on via AT+CFUN=1. I used the 5V power supply from ST-Link V2...

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