Become a leader in the IoT community!

New DevHeads get a 320-point leaderboard boost when joining the DevHeads IoT Integration Community. In addition to learning and advising, active community leaders are rewarded with community recognition and free tech stuff. Start your Legendary Collaboration now!

Step 1 of 5

CREATE YOUR PROFILE *Required

OR
Step 2 of 5

WHAT BRINGS YOU TO DEVHEADS? *Choose 1 or more

Collaboration & Work 🤝
Learn & Grow 📚
Contribute Experience & Expertise 🔧
Step 3 of 5

WHAT'S YOUR INTEREST OR EXPERTISE? *Choose 1 or more

Hardware & Design 💡
Embedded Software 💻
Edge Networking
Step 4 of 5

Personalize your profile

Step 5 of 5

Read & agree to our COMMUNITY RULES

  1. We want this server to be a welcoming space! Treat everyone with respect. Absolutely no harassment, witch hunting, sexism, racism, or hate speech will be tolerated.
  2. If you see something against the rules or something that makes you feel unsafe, let staff know by messaging @admin in the "support-tickets" tab in the Live DevChat menu.
  3. No age-restricted, obscene or NSFW content. This includes text, images, or links featuring nudity, sex, hard violence, or other graphically disturbing content.
  4. No spam. This includes DMing fellow members.
  5. You must be over the age of 18 years old to participate in our community.
  6. Our community uses Answer Overflow to index content on the web. By posting in this channel your messages will be indexed on the worldwide web to help others find answers.
  7. You agree to our Terms of Service (https://www.devheads.io/terms-of-service/) and Privacy Policy (https://www.devheads.io/privacy-policy)
By clicking "Finish", you have read and agreed to the our Terms of Service and Privacy Policy.

facing issues reading data from the SIM800 module

Good day devs, I tried integrating a SIM800 module with FreeRTOS for a small start up. I plan to use HAL_UART functions with a timeout mechanism for UART communication, but I’m concerned about later on interference with the FreeRTOS scheduler. Please and please I need guidance on implementing the timeout functionality without disrupting the scheduler.
I’m facing issues reading data from the SIM800 module. But I’ve declared a buffer and attempted to print its contents using `printf(ReadBuffer)`, nothing is displayed. How can I correctly read and process the received data?
I don’t know if I should use TCP/IP to connect the SIM800 module to a server.

// Setting up my UART data reading 
HAL_UART_Receive_IT(&huart1, ReadBuffer, sizeof(ReadBuffer));

// Printing my received data
printf("Received Data: %sn", ReadBuffer);

  1. UC GEE#0000

    I suggest you should Try and use the xTimerCreate function to make a timer with a specific period ,you can use 1000 milliseconds for a 1 second timeout . Later you can now set the timer to call a callback function when timeout happens.
    Use xTimerStart to start your time . @ifreakio

  2. Sterling#0000

    Thanks for the suggestion tho, but I am also thinking about the implementation. What if I set up the xTimer to handle the timeout, but the UART interrupt completes successfully before the timer expires? How should I handle stopping or resetting the timer in that case to avoid unnecessary callbacks or resource usage? @ucgee
    @Middleware & OS

CONTRIBUTE TO THIS THREAD

Browse other Product Reviews tagged

Leaderboard

RANKED BY XP

All time
  • 1.
    Avatar
    @Nayel115
    1620 XP
  • 2.
    Avatar
    @UcGee
    650 XP
  • 3.
    Avatar
    @melta101
    600 XP
  • 4.
    Avatar
    @lifegochi
    250 XP
  • 5.
    Avatar
    @Youuce
    180 XP
  • 6.
    Avatar
    @hemalchevli
    170 XP