STM32 MCUs Products

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Forum Posts

STM32L475 Timestamp

Posted on March 08, 2018 at 08:20Hello, I'm developing an application based on STM32L475 device. So I need a timestamp on my application. I saw an RTC_timestamp example of NUCLEO-L476RG. So please anyone can tell how can I port this RTC_timestamp ex...

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
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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...

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...