Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on July 22, 2014 at 18:28I have a boot loader and main app. I am trying to use the MPU to restrict access to parts of the boot loader Flash and to DMA registers so that the app code can't use DMA to read the boot loader Flash (as is done the...
Posted on April 30, 2014 at 17:56Hi there,I am working on STM32F429 Discovery board and trying to figure out a proper way to enable PCROP feature shipped with this board. I can use windows st-link utility application to turn flash sector into PCROP ...
Posted on March 20, 2015 at 16:30 For our customer I need build a new hw with a ST micro (STM32F4) with a pre-porgrammed code library. The client develops its own application using the preloaded library (Obviously I provide also all the necessa...
Posted on August 11, 2015 at 11:28 Hi, I'm using DMA with Timer2 input capture to sample the (ch2)rising and (ch1)falling edges of a 250kbps signal. So a bit is 4us long. When running the DMA in normal mode, the values make sense a...
Posted on August 09, 2015 at 23:03Hello,Im want to send data with USART2 (im using KEIL uVision 5).Im trying to use this program :/* USART2 PA.2 Tx, PA.3 Rx STM32F0-Discovery sourcer32@gmail.com */ #include ''stm32f0xx.h''#include ''stm32f0_discover...
Posted on August 09, 2015 at 13:04how to force a fix 'LO'(=Vss) in a GPIO pin of stm32f4?
Posted on August 04, 2015 at 23:12Hello all, I am using a STM32F103 MCU and a FT232RQ USB controller which is connected to UART4 in my configuration. I use polling to read data from UART4 (later I will use interrupt as soon as I am sure that ever...
Posted on August 07, 2015 at 15:47 Hello friends, I try to create a simple program, which uses a Virtual COM Port to send and receive data. As hardware I'm using a stm32f3discovery board. I already created the code with CubeMX an...
Posted on August 05, 2015 at 14:57Hi there,I have a nucleo board based on the STM32F152RET6 and I'm using the STM32CubeMX.I want to toggle the LED when a caracter is received on IT but I've tried a looooooot of things but nothing makes it work...TX ...
Posted on August 11, 2015 at 04:26Hi guys,I wanted to test DFU function with my STM32F401 board, and my Win7 has installed DfuSe V3.0.4. After I plug USB to PC, it shows the driver is not corrected, so DfuSe can't recognized the USB device.I searche...
