STM32 MCUs products

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I have problem using uart on stm32f207ZG.

Hello, people.I have problem using uart on stm32f207ZG, for some reason my board only uses 4 uart and the others don't work. I set everything up as in the example, everything is assembled and flashed, but the UART is silent from 1 to 6 UART, except f...

DBezk.1 by Associate
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STM32f103 EXTI external interrupt problem.

For 3 days I have been increasing with the problem. I explain what's going on. I am trying to read using stm32f103 the width of the PWM pulses coming from the 4 channels of the RC receiver. I configured external EXTI interrupts, on 4 channels, edge t...

KSido.1 by Associate
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  • 2 replies
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Resolved! How accuracy is internal HSI RC clock

Try to use STM32G0 LQFP32 MCU do accuracy frequency measurement, but there is no HSE crystal interface, so internal HSI RC will be for system clock, the accuracy of the system clock will affect the frequency, how accuracy is internal HSI RC clock

New.Fish by Associate III
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  • 3 replies
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Problem with slave SPI receiving

Hello, i've got trouble with receiving SPI in interrupt.Im running 2 SPI's on STM32F103RCT6; first is transmit only master, second is receive only slave, bus speed is 2MHz on both. SYSCLK is 64MHz.Transmitting works great (blocking mode), but HAL_SPI...

MMcAl.1 by Associate III
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  • 1 replies
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Resolved! How can I program the microcontroller for multi-thread?

I want to disassemble the ADC function and BLE data transmission asynchronously.So, I want to program the microcontroller using multi-thread.When I coded BLE, It look already used multi-thread but I couldn't understand it exactly.Is there any example...

KKIM.6 by Senior
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  • 5 replies
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STM32F103C8T6 (Blue Pill) CAN BUS Communication

Hi, I´m trying to communicate two blue pills between them using CAN bus, but when I try to run it, it doesn´t even finish the start up, because I tried to use a blink program selecting the CAN in the .ioc and not using it and doesn´t work.Does anyone...

Resolved! STM23f303-re vs STM32F303-ze virtual comm port

Hello,I have a project working on the F303-re Nucleo board. I want to run it now on the F303-ze Nucleo board. Apparently virtual com port doesn't work the same on the ZE as it does on the RE. I can take a new RE board, copy the binary file to th...

DPeki.1 by Associate II
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  • 4 replies
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Infinite SPI interrupt request

Our custom board is using the stm32u585. The MCU is the master, communicating with a accelerometer through SPI port 3.When reading the data from the accelerometer, using HAL_SPI_Receive_IT or HAL_SPI_Receive_DMA, the SPI 3 interrupt is constantly gen...

VPHAM.1 by Associate
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  • 2 replies
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Resolved! Please tell me how to load the project into stm32

I ran stm32 with cubemx and iar to execute the project, but I have to remove the st-link line and execute itIf I take out the line, the project can't be executed, so how can I only connect the board and power to run the project?download active applic...

ark2 by Associate II
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