About AChap.1

AChap.1 · 2024-03-14

Hi everyone, I'm deep into developing a project that is not only a passion but also a venture I'm financially invested in. I recently ordered a small batch of 50 PCBAs equipped with STM32L476RET6 microcontrollers from a well-known Chinese manufacture...

AChap.1 · 2024-03-09

Hello ST Community,I'm currently facing a challenging issue with my STM32L476RET6 where I'm unable to erase a specific page in the flash memory. Despite the HAL_FLASHEx_Erase() function returning HAL_OK, indicating the erase operation was supposedly ...

AChap.1 · 2024-02-28

Hello ST Community,I'm developing a USB CDC communication project on an STM32L476RET6 microcontroller, using STM32CubeIDE. While I can successfully receive data from a PC using PuTTY, I'm facing a challenge with transmitting data back to the PC using...

AChap.1 · 2022-03-14

I’m new to STM32 development so I’ve been using the CubeIDE – Device Configuration Tool to generate most of the code, and HAL calls.I’m using an stm32h747xih (Dual core M7 & M4 Discovery Board) and have being trying to get the ADCs to work. I’ve sta...

AChap.1 · 2024-03-14

Hi everyone,I'm pleased to share that I've identified and resolved the issue I was experiencing with my boards. It turns out the root cause was poor solder connections. After reflowing these joints, the programming problems I encountered disappeared,...

AChap.1 · 2024-03-14

Thanks @waclawek.jan I appreciate your perspective, and you're probably right. Counterfeiting is a concern, but it's more practical to focus on the tangible aspects of the issue first, like the assembly quality and the setup used for testing.I've sta...

AChap.1 · 2024-03-14

Hi @AScha.3 and thank you for your interest. Firstly, I should clarify that I haven't tested all 50 boards. My initial test on one board was unsuccessful, leading me to suspect a faulty unit. After some troubleshooting, I tried another board, which ...

AChap.1 · 2024-03-09

Hi @TDK ,Thank you so much for your advice regarding the dual-bank configuration and the suggestion to inspect the option bytes using STM32CubeProgrammer. I took your recommendations on board and delved into CubeProgrammer to get a better understandi...

AChap.1 · 2024-03-09

Hi @TDK Hi,Thank you for reaching out and helping me troubleshoot this issue.Memory Location and Values:I am targeting a double word at the memory address 0x0807FFF0 for the update flag. This address is defined in my code as follows: #define UPDATE_F...

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How to check the authenticity of STM32 chips?

STM32 Flash Erase Fails: HAL_FLASHEx_Erase() Doesn't Reset Bytes to 0xFF

Urgent Help Needed: USB CDC Transmit Stuck, hcdc->TxState Never Resets!

Why am I getting an ADC HAL_ERROR from the CubeIDE generated code.

Re: How to check the authenticity of STM32 chips?

Re: How to check the authenticity of STM32 chips?

Re: How to check the authenticity of STM32 chips?

Re: STM32 Flash Erase Fails: HAL_FLASHEx_Erase() Doesn't Reset Bytes to 0xFF

Re: STM32 Flash Erase Fails: HAL_FLASHEx_Erase() Doesn't Reset Bytes to 0xFF