STM32 MCUs Embedded software

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PTP clock source is SYSCLK or HCLK?

The reference manual for STM32F407 shows (RM0090) that the PTP clock is running from the SYSCLK directly, however, the PTP chapter says that it is controlled by the HCLK. I'm confused now, and experiments show that it is running from HCLK actually. S...

GHoll.2 by Associate
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Resolved! STM32F105R8T HAL Busy and missing data buffers.

I'm using STM32F105R8T to send serial buffer commands to an HMI display.MAX485 chip was used for communication. There are pre-defined command buffers and updatable data buffers. Those buffers are sent through a RS485 bus at the baud rate of 9600. The...

Sleep mode with FreeRTOS enabled

I want to be able to make the STM32G474 go to sleep when certain conditions are met.I've created a small project to test the feature. The `app-freertos.c` file is like this:#include "FreeRTOS.h" #include "task.h" #include "main.h" #include "cmsis_os....

xgon by Associate
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