Index

• Hardware Environment
• Software Environment
• Run
• Test packet capture file
• Code review

Hardware Environment

• W5100S with Nucleo f103rb
  • connecting Micro USB to Nucleo f103rb
  • connecting Ethernet Cable to W5100S_ETH_SHIELD

software Environment

• Device Setting Program : STM32CubeIDE 1.6.1

• Compile Program : ST-LINK

• compile method

  • Git-hub source file download
  • workspace_1.6.1 -> W5100S MQTT in folder, run .project file
  • workspace path select

  

  • Open main.c file and build
  • Debug start
  • If you have ST-LINK, Run Debug

Run

• Demo Environment & Program

  • Window 10
  • Hercules

• Demo Result

  • First, mosquitto.conf modify

  +Add

  bind_address 192.168.xxx.xxx

  allow_anonymous true

  

  • mosquitto excute -Port 1883

  mosquitto -c mosquitto.conf -p 1883 -v

  

  • W5100S MQTT_sub run

  

  

  • MQTT_pub send message

  mosquitto_pub -h 192.168.xxx.xxx -t W5x00 -m "hello W5100S"

  

Test packet capture file

w5100S_MQTT_cap.zip

Code review

• main.c code flow