Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on May 27, 2015 at 09:51Hello there,I've noticed that the in my application the start-up time, i.e. the time from power-up to the first instruction in main() is about 7 to 8 ms. This seems very long to me.I'm using a STM32F103RC and the IAR c...
Posted on May 27, 2015 at 03:29Hi, I'm writing a bootloader, and need to determine the device density and flash size. I can read the flash size OK, from memory address 0x1FFFF7E0 However I can't seem to read the ''MCU device ID code'' , which is des...
Posted on May 27, 2015 at 09:56 Hi, I'm using spi to read and write from an spi flash part, which is working the vast majority of the time. Occasionally I get an incorrect value. Looking at the signals on a logic analyzer the spi clock s...
Posted on May 20, 2015 at 11:35 Hi, I would make a loopback with my board STM3210C using USART2. I use the code /public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/Flat.aspx?RootFolder=https://my.st.com/public/STe2ecommunities/mcu/List...
Posted on May 23, 2015 at 07:33 Hello again, Im decided to switch my first project stm32 from the HAL driver library to the SPL. I was able to get a blinky program working using the STCubeMX software and Kei1 with the HAL drives, but i wa...
Posted on May 26, 2015 at 20:50Intro I am using the STM32 Discovery board to talk with sensor that receives and sends data packet on SPI1. I have unpopulated U5 on the discovery board so that it lets me use the SPI1 port. I can send the data packet ...
Posted on May 26, 2015 at 21:20Is there a way to set the STM32F401 USB DFU Bootloader product ID and vendor ID to something else than the default ST values ?
Posted on April 29, 2013 at 14:47 Hi everyone and thanks in advance for your advices. I'm using a quadrature encoder from Bourns : http://www.bourns.com/data/global/pdfs/pecpdf#search=%22PEC11%22 with an STM32F4 chip. I h...
Posted on May 26, 2015 at 17:56Hi to allI'm trying to learn how to use writing and reading on a USB stick using the board stm32f429i-Discovery. I configured the library using STM32cubeF4 and use it as a real time operating system freeRTOS. Can someo...
Posted on April 28, 2015 at 01:29STM32CubeMX will delete '{' in user code between /* USER CODE BEGIN 3 */ and /* USER CODE END 3*/
