STM32 MCUs Products

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STM32F412ZG Nucleo - USB host example issue

Hello!i am playing with the USB HID host example generated from CubeMX -- it builds fine, runs and prints log messages till everything is initalized, and it while in the loop of freertos task, the OTG interrupt never fires -- there is no function cal...

DMA double buffer mode, Only 1 callback is called

Hey everyone,I'm not sure how this popped up, but I've found something really weird. I have a DMA setup in multibuffer mode. It fills both buffers and works perfectly in that respect. The issue comes in after the buffers are filled. Once buffer 1 is ...

con3 by Senior
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Keil vs Atollic - same code different behaviour

Hi everyone,It's almost christmass time and I'm working on some light effects for my daughter using WS2812B chained leds. I found out, that the same code compiled with Keil works fine, but compiled with Atollic true studio, I get some "flickering" an...

GRosb by Associate
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stm32 and canopen protocol

Hi, I have a canopen device on my desk and I'm not able to get data from it.The problem maybe is that I'm a beginner with canopen and I'm making a mistake to build up the request package.To obtain the setpoint value, registry 3000 (0x0BB8), id device...

Problem with internal CAN Bootloader STM32F7

Posted on July 13, 2018 at 08:05Hello,i have a problem with the internal bootloader of the STM32F7(67BI).We have written a tool for communicating with the internal CAN bootloader. The request of the version and the allowed commands, as well as the e...

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Pa Ha by Associate
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UART baud rate problem with STMF767ZI processor

​I have a UART on an STM32F767ZI  configured for 9600 baud. The baud rate of the external transmitting device is measured as 9632. I have found that the F767 is very sensitive to baud rate difference and setting the device to 9600 and 3 samples will ...

read multiple ADC channels of same ADC without DMA

hello!I want to read multiple ADC channels of the same ADC without using DMA. But I'm continuously facing some unknown issues (on ADC3 channel 12 &13's value randomly switching). So If any previously done example codes available for STM32f20X using t...