Posted on August 11, 2015 at 18:26Im having an issue erasing pages of flash. During my bootloader application while receiving a block of data I erase the page and then write the data. During testing I have the messaging protocol setup to just read t...
Posted on March 26, 2014 at 04:16 Via Virtual COM port built into ST-LINK // STM32 USART2 (Tx PA.2, Rx PA.3) STM32F401RE NUCLEO - sourcer32@gmail.com #include ''stm32f4xx.h'' /**********************************************************...
Posted on August 09, 2015 at 20:09 I'm sitting here pulling my hair out because I can't figure out what's going on, I've tried everything I can think of. I'm using SPI to communicate with an offboard periph, When I write to the data register the...
Posted on August 06, 2015 at 13:19 Hello, I need use a port both input and output. What should I do? Should I use something like this? GPIO_InitTypeDef GPIO_InitStructure; RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE); GPIO_Ini...
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?
