FAQs

STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Turn on suggestions
Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Sign In to Post

STM32F102CBT6 USB example

Posted on March 06, 2018 at 04:02Hi, I am working with STM32F102CBT6. And I am going to use USB function of this MCU. Where can I find the suitable examples?Best regards.

Resolved! HAL_UART_Receive() always timeout.

Posted on April 27, 2017 at 06:18Hi all,I met a strange problem that if I input something via a terminal before I call HAL_UART_Receive(); It will always timeout. And it will not recover until I reboot the board.My code is as bellow.  What can I do ...

Bryan Guo by • Associate II
  • 6965 Views
  • 9 replies
  • 1 kudos

ADC DMA

Posted on March 08, 2018 at 06:28trying to sequentially convert 2 adc regular channels using dma and tim2 trg0 on stm32f4 without much success, when using trg0 do you need to set up timer in interrupt mode? and can I use HAL_ADC-ConvCplyCallback to ...

Issue using HAL UART Transmit

Posted on November 12, 2017 at 09:25HelloI am having issues with the following HAL function when trying to transmit data using HAL library:if(UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_TXE, RESET, tickstart, Timeout) != HAL_OK)It always return HAL...

Why I get STM32H7 GPIO Toggle speed just only at 16.7MHz?

Posted on March 01, 2018 at 05:10I used NUCLEO-H743ZI board which is mounted STM32H743ZIT, and  used STM32 CubeMX generate Code like this.I config PC9 = MCO2   to output   SYSCLK/10.   I  can get 80MHz wave at Pin PC9， so I ensure the SYSCLK   is ...

Bug in USB Host Library? Isochronous data receive

Posted on May 08, 2017 at 12:40Hi I think it is a bug...Problem:Isochronous data Receive from  USB Device with ST USB Host library.- > no example or projects in internetSo i tried to get data from USB Webcam.But i  didn't get an USBH_URB_DONE event ...

Half duplex DMA Uart

Posted on December 15, 2015 at 16:22 Hello there, I am experiencing a weird behaviour in my application. I am using HAL library. I am using STM32F407 and usart2 to send and receive using DMA in half-duplex mode. Everything is working fine, u...

RTC in STM3230F4

Posted on March 06, 2018 at 19:27Hello guys.I wanted to design a PCB with this MCU, but I need RTC in my project.I saw the RTC peripheral in the user manual, but I see no pins named VBAT for when the main power is off.So what should I do?Doesn't thi...

Top