About Keyur Thumar

Keyur Thumar · 2022-06-22

I am using B-L475E-IOT01A (STM32L475VGTx) dev kit and this article for DFU and I am getting following issue.Sequence of process I do is as below.Erase the whole flash.Flash the bootloader created based on above video.Make a DFU using DfuSe Tool and I...

Keyur Thumar · 2022-06-01

I am using B-L475E-IOT01A (STM32L475VGTx) dev kit and this article for DFU and I am getting following issue.device is not able to enumerate as USB DFU class on my windows 10 PC I am using flash decription as show in the tutorial.#define FL...

Keyur Thumar · 2021-06-28

Text Widget does update on multiple invalidate call in WM_PAINT BlockI am trying to update text widget in a WM_Paint block but it does not show any changes on screen.Please find my attached file for initialization. I am also trying to draw a rectang...

Keyur Thumar · 2021-06-07

I am trying to configure 32F469IDISCOVERY board for display application. I have referred article : https://community.st.com/s/article/FAQ-GUI-on-STM32F469-Discovery-boards-using-CubeMX-and-STemWin.In that I can configure display in a landscape mode. ...

Keyur Thumar · 2021-05-28

Hello, I have been following this tutorial to enable touch screen on my STM32F469-Discovery board for STemWin.I have done all the things shown in article. Code compiled successfully. But I can see only blank screen.In extra to the tutorial, I need to...

Keyur Thumar · 2022-06-30

@Mike_ST Thank you for resoultion and explanation.I have done changes as you suggested and it worked.  I have gone through the AN3156 but couldn't get an idea of why the workaround you suggested is worked or what is incomplete in my DFU protocol i...

Keyur Thumar · 2022-06-28

Thanks @Mike_ST for the checking.I have tried with printLogs diasbled and it worked as below.With ST-Link Connection, erased the full chip.Flashed the bootloader with ST-LinkConnected STM32CubeProgrammer with USB.Flashed LED blink application and it...

Keyur Thumar · 2022-06-26

Hey @Mike_ST Have you got a chance to check my code ?

Keyur Thumar · 2022-06-24

Hey @Mike_ST Please find the source code from here.https://drive.google.com/drive/folders/17yAcTbw08RmLOnvRW0Zigvt3q3PYccdR?usp=sharing

Keyur Thumar · 2022-06-24

Thanks @Mike_ST I have installed STM32 Bootloader. and kept BOOT0 pin as 0.But the same result.Firmware flashed. No uart logs. No led blinking.One more interseting thing I noticed when I installed STM Device in DFU Mode driver to use with DfuSe Tool...

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B-L475E-IOT01A USB DFU is stuck in different states.

B-L475E-IOT01A is not able to enumerate as USB DFU class.

Text Widget does update on multiple invalidate call in WM_PAINT Block

How to configure stm32f469i disco display in a portrait mode ?

Enabling touch screen on STM32F469I-Discovery but can not

Re: B-L475E-IOT01A USB DFU is stuck in different states.

Re: B-L475E-IOT01A USB DFU is stuck in different states.

Re: B-L475E-IOT01A USB DFU is stuck in different states.

Re: B-L475E-IOT01A USB DFU is stuck in different states.

Re: B-L475E-IOT01A USB DFU is stuck in different states.