STM32 MCUs Embedded software

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STM32F767ZI + USB host + FatFS problem

Hello,I'm using the STM32F767ZI and I'm using the FatFS feature with USB host communication. I created a project based on the example provided by STM32 CubeMX.The program works. I can read in one file and write in another. My problem happens when I w...

I2C3 Bus Busy issue!

Dear friends,I am trying to read data from DS3231 RTC using SPI3 peripheral of STM32407VGt6 MCU.At first I used the latest version of HAL drivers and Cube and easily could read/wrtie the DS3231 RTC module. But now I need to use Standard Peripheral li...

Mujtaba by Senior
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STM32L010K8 Flash WRPERR error

I am using an STM32L010k8 device, every second word write to Flash using the HAL driver function HAL_FLASH_Program() generates a write protection fault (WRPERR bit in FLASH_SR). If I retry the write to the same address the error is not presentIs this...

SThom.7 by Associate II
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STM32F7 HAL Slave RX behavior is strange.

I found very strange behavior of the STM32F7 HAL I2C. Please see the description below. I have also attached problem demonstration program and screenshot.Regards,Seiichi CubeMX version 5.0.0 for LinuxSW4STM32 version 1.15.0.201708311556 for Linux 64b...

Takemasa by Associate III
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Resolved! What is the relationship between the DAC dataholding registers, data output registers, and the conversion half/full complete callbacks?

Hello everyoneI am having trouble understanding the relationship between the registers and the callback functions for my application. Briefly put, I am transferring 2 values to the DAC via DMA using TIM6 as interrupt at a rate of 50 Hz. I want to sam...

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Resolved! STM32L4R9I-EVAL demo source code

​Could you provide demo source code on the board STM32L4R9I-EVAL. I bought the STM32LR9I-EVAL board and the current demo program is very cool. I need the demo source  code to study. Thanks!

ZXu.6 by Associate
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