STM32 MCUs Products

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Forum Posts

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...

Simple "Hello World" LED blink software available?

Further:Is there some simple "Hello Word" HID USB example available for STM32H7 Nucleo? (like in STM32F4 good old discovery times ... e. g. sending some value to this USB HID Demonstrator PC software?)?How can I search in this new forum setup in the ...

flyer31 by Senior
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Problem with TIM1 configuration of STM32F303CD

Hi, I want to configure my TIM1 to use it for driving a bldc motor. I have made several configuration in the registers, but it won't work. TIM1_CR1bits.CEN = 0; //Timer enable TIM1_CR1bits.DIR_= 0; TIM1_CR1bits.CMS = 0b01; TIM1_...

MSeib by Associate
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How to get the STM32F7 CAN peripheral out of passive mode

I have several slave devices devices hanging off connected to an STM32F7. When I power cycle the slave devices, the REC field in the ESR is greater than 128, causing the EPBF bit (in passive mode) to also be set. If I reload the chip, ESR is cleare...

NWalk by Associate
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Please give some help on L1 cache and MPU

Hello,I am working with STM32H7, Nucleo board and Atollic TrueStudio. I have a test routine processing an array of data that is in flash, test routine is also in flash. Around it I set and clear a portbit and measure execution time. Now I wanted to s...