STM32 MCUs Products

Transfering data through Hal_Uart_Transmit is working fine but using printf the output printed is garbage.

MCU: Stm32f103c8t6i want to use Printf in my CodeCurrently i am using Hal_Uart_transmit to send data this Data when printed is correctly displayedI wanted to add printf so i have added the following to my codeBut when i use printf to send data the da...

STM32F7 SPI flush rx fifo

Cannot Enable More Than 1 Output on PLL2/3

Posted on April 24, 2018 at 16:33I am using the STM32H743xx Nucleo board with CubeMX V4.25.0 and CubeH7 V1.2.0.The HAL drivers have some issues with enabling the PLLs and individual PLL outputs (P, Q, R).1. HAL_RCC_OscConfig() always enables all PLL...

STM32H7xx: PLL3 as clock for I2C kills USB

Posted on June 21, 2018 at 06:58Another issue found, potentially in HAL drivers (HAL_RCCEx_PeriphCLKConfig):I try to use PLL3R for I2C clock:PeriphClkInitStruct.I2c123ClockSelection = RCC_I2C123CLKSOURCE_PLL3;            //USB will FAIL!!!If I do th...

STM32F10x HAL USB debug issue

Posted on October 30, 2016 at 14:04 Hello everyone! I tried to create a CDC to PC interchange project in Cube on STM32F103C8T6 (as you can see in attached file) and I have some kind of trouble — debug doesn't works properly. During d...

STM32H743 SPI1 not working

Posted on May 09, 2018 at 08:21Hi,I have designed a STM32H743II  board and now I am testing hardware functionality. I have a serial FLASH connected to SPI5 which works fine. I have a serial EEPROM connected to SPI1 where I can not see any activity o...

STM32F746 Firmware and Debugger Lockup

Posted on August 03, 2017 at 19:09We are seeing a lockup issue with a STM32F746 design.  On the surface it appears like a normal firmware lockup, then the watchdog triggers a reset and it recovers.  But if I disable the watchdog and try to use the d...

Less throughput on stm32f411RE nucleo board

In stm32f411RE nucleo board even with 45MHz clock with dma configuration throughput is not crossing 3-4Mbits/sec.Can any one suggest what changes need to do in the dma configuration or need to any other setting.When I checked on oscilloscope interfac...

stm32f030 aeabi_uidiv undefined reference

Posted on July 13, 2018 at 00:12hi, I try to compile a minimum program using stm driver libs. but I can't compile without error about '__aeabi_uidiv' from line 1083 of stm32f0xx_rcc.c : pllclk = (HSE_VALUE / prediv1factor) * pllmull;I think the prob...

STM32 Studio: data export for post processing is possible?