Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on July 04, 2016 at 16:43Hi all,I'm working with an STM32F429 disco board and I can't seem to get it to work with an external power supply (USB cable not plugged in). When connected via USB, everything is functioning as required. I have one o...
Posted on April 09, 2018 at 08:33HI,I use SPI of HAL Library in STM32F0.However, due to unaligned memory access, HardFault occurs in the HAL_SPI_TransmitReceive () function.So I modified the HAL library as follows.uint8_t data_lo, data_hi;uint16_t d...
Posted on April 08, 2018 at 20:15Hello,I try to send data via UART with a baudrate 8Mb/s using Nucleo-L476RG and UM232H,the programs I use are STM32CubeMx and Putty (for RX)As shown on the picture below we can send data via USART1 with a baudrate be...
Posted on March 16, 2018 at 02:22Hi All,Contrary to what the http://www.st.com/resource/en/application_note/dm00337702.pdf document says about the H7 chip, it does not support Triple ADC Conversion mode. It only supports double conversion mode betwe...
Posted on April 10, 2018 at 12:43Hi, the problem is not solved, below is the clock configuration, Based on the figure above, I tried to use the different divisions /1, /8.. and the different clk (PPLCK, SYCLK, HSE...) to obtain the correct frequenc...
Posted on April 03, 2018 at 13:33Hello everybody,I would like to read the USB_DM and USB_DP pins from a GPRS module (it only works in Device mode) with the STM32L073RZT6 microcontroller which has also USB pins available. However, I realized that it ...
Posted on April 10, 2018 at 10:27Hi,We have been trying to use ARM_CM4F_MPU port in one of our application. Freertos version is 10.0.0.An unprivileged task always Mem Faults when trying to use a kernel API though mpu_wrappers is elevating the privil...
Posted on April 09, 2018 at 08:38Hello everyone I use stm32f746 discovery board. I implemented emwin,Free rtos and Fatfs for the SDcard(using SDIO interface). In my application after pressing a button, a value(as a string) is saved in the SDcard....
Posted on April 09, 2018 at 16:58 Hello, I have a Nucleo-L476RG and I am trying to debug using openocd. I am able to reach main() function, but when it calls SystemClock_Config() get stuck in:while(LL_RCC_PLL_IsReady() != 1) The firmware...
Posted on April 07, 2018 at 15:15Hi all,To start with:Board: STM32H743ZI NucleoIDE: Attolic TrueSTUDIO for STM32 9.0.0HAL version: STM32Cube_FW_H7_V1.2.0I'm trying to trigger a DMA transfer on DMA1_Stream7 using TIMER 3 CC3. I want to trigger a tra...
