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Resolved! STM32F7, FMC_SDRAM_DataMemory Example Issue

Hi,I tested FMC_SDRAM_DataMemory Example of STM32F769I_EVAL.I found out that the data written to SDRAM is not correct.See below picture for your checking. I believe HAL and FMC driver in system_stm32f7xx.c is not correct. Please advise me how to ma...

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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 ...