STM32 MCUs Embedded software

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We found some time the UART interrupt call back function (HAL_UART_RxCpltCallback) will shut down but the IRQ function (UART5_IRQHandler ) still working. Because we have add the counter in call back function and IRQ function 。

We found some time the UART interrupt call back function (HAL_UART_RxCpltCallback) will shut down but the IRQ function (UART5_IRQHandler ) still working. Because we have add the counter in call back function and IRQ function , when the communication ...

User.100 by Associate II
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SD Card and USB problems.

Hi, I'm working with an STM32F446VET MCU. The goal of the F446 is to get data from some sensors and store it on an SD Card and send it at the same time to a COM port. I was able to make Windows to recognize the USB/COM port (https://community.st.com/...

MBolo.1 by Associate III
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Resolved! SPI Bootloader Synchronization Issue

I'm following the bootloader ACK procedure outlined in AN4286, page 6. The issue I'm having is that the bootloader never responds with 0x79 (ACK) or 0x1F (NACK) after the initial synchronization (Sent 0x5A, Received 0xA5).  Are there any issues with ...

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dscdsc by Senior
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