TM4C1294KCPDT: Implementing OTA Firmware Update

Deepak Rai

Part Number: TM4C1294KCPDT
Other Parts Discussed in Thread: CC3100

Hi,

I'm trying to implement OTA firmware update on my device. I'm using LwIP with no RTOS and I have implemented HTTP POST and GET using mbedTLS on my device. Now I want to update the firmware from a dedicated website that will host the FW file. So my device will get to know that it needs to do FW update after which I want to go to the dedicated URL and download the file to flash and update my FW. I don't have any other communication from that URL.

Right now my code contains SW update over ethernet using LM Flash where we look for magic packets and do the update.

Now we want to go to a website download the file and then update the FW. Is there any example of this or any suggestion on how to do this?

Regards,

Deepak

over 5 years ago

0 Charles Tsai over 5 years ago

TI__Guru**** 191906 points

Hi,

Unfortunately we don't have any examples with OTA update. What network processor are you going to use? CC3100 will be a network processor that can be a companion with the TM4C to perform OTA. There is a CC3100 wiki that contains OTA application at https://processors.wiki.ti.com/index.php/CC3100_OTA_Sample_Application.

You might want to post your question to the CC3100 forum at https://e2e.ti.com/support/wireless-connectivity/wifi/f/968 for questions related to OTA update. They will be able to provide guidance.

Below posts may also help.

https://e2e.ti.com/support/microcontrollers/other/f/908/t/589552?RTOS-TM4C1294NCPDT-Over-The-Air-Firmware-Upgrades-on-Tiva

0 Deepak Rai over 5 years ago in reply to Charles Tsai

Intellectual 780 points

Hi Charles,

I think I framed my question wrong.

I'm not planning to do a wireless update. All I want to do is to go to a website that will have the .bin file, download it and update my board using the downloaded bin file.

I have an ethernet connection on my board which is present all the time. I already have a bootloader on my flash to update the board.

Right now I have implemented a method to update which is similar to LM Flash. But that requires me to select my device and then send the bin file. And I want to automate that process.

Is it possible to do it and Is there any suggestion on how to do it?

Regards,

Deepak

0 Charles Tsai over 5 years ago in reply to Deepak Rai

TI__Guru**** 191906 points

HI,

Yes, I was confused at first as you reference OTA which normally means wireless. With that said, we don't have any example as such for what you are looking for. However, I found the below post shared by a community member to perform FW update from the internet. You will need to contact the person direct for any question. This is the best I can find.

https://e2e.ti.com/support/microcontrollers/other/f/908/p/587260/2172072?tisearch=e2e-sitesearch&amp%3Bkeymatch=ethernet%20remote%20update#pi320995=1

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TM4C1294KCPDT: Implementing OTA Firmware Update