STM32 MCUs Products

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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...

SPI potentiometer don't work (CubeMX & Nucleo103)

Posted on March 06, 2018 at 00:35Hi, Maybe i have a stupid question or mistake but i am searching and i can't make it work, so if you can help please.First i created a new project at CubeMX integrated in Atollic TrueStudio 8.0.I enable the SPI2 as F...

ioannis by Associate II
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Resolved! STM32L4 USB double buffer HAL bug

Posted on March 02, 2018 at 11:30After some days investigation and debugging, I found bug at HAL definition.Project was generated with CubeX v4.24, STM32L4 package version 1.11.0@file    stm32l4xx_hal_pcd.h#if 1 //darius #define PCD_SET_EP_DBUF1_CNT...

Darius B by Associate II
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WizNet W5300 DHCP

Posted on January 17, 2017 at 09:16Hello,I am working on project where i need to interface STM32F429 to W5300. This is done with FMC SRAM interface. I tested that i have working hardware by reading chip ID, and id did returned 0x5300.Question is how...

STM32L0xx UART overrun error

Posted on March 07, 2018 at 13:04We are using the STM32L0 HAL implementation of the UART driver. The UART (115200,8-N-1) is used in interrupt mode and we have configured the interrupt to occur for every character. This is done so that we can impleme...