Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on September 16, 2015 at 12:45Hello,I'm happy to share something I found last week:http://elm-chan.org/fsw/ff/00index_e.html(see ''Read SD card with FatFs on STM32F4xx devices by Tilen Majerle (Quick and easy implementation for STM32F4-Discov...
Posted on September 16, 2015 at 09:25Hi,I am working on STM324x9I-Evaluation board. In the example programs provided by ST I was able to test DHCP client using Lwip stack successfully on the board however i could not find any example program or docu...
Posted on September 16, 2015 at 10:05Hi,I am trying to communicate STM32F407 with a I2C slave device @ 100khz on I2C1.The slave supports up to 400khz.I traced the lines between the controller and the slave using a logic analyzer and check whether si...
Posted on September 14, 2015 at 18:40I'm working on a new board that uses the STM32F446 running at 180MHz. The board uses an external 16MHz oszillator and I would like to use ''PLLSAIP'' for the 48MHz USB clock. The clock configuration from STM32Cub...
Posted on September 13, 2015 at 12:38 Guys, I want to use SPI1 for communicating with VS1... Is my configuration right ? #if !defined (USE_STM3210B_EVAL) && !defined (USE_STM3210E_EVAL) && !defined (USE_STM3210C_EVAL)&& !d...
Posted on September 15, 2015 at 16:47Hello,I have a basic breakpoint question. I am using Keil uVision5 with an ULINK-PRO. I have a project with Keil RTX RTOS. I set breakpoints at different places in my code and when the one of them triggered my...
Posted on May 24, 2012 at 10:11Please, could you help me? with STM32F4xx.But I think it's general problem with GNU linker.I'm working on SW for colour graphical display application.It works fine.But I need to store some data to Flash after the progr...
Posted on September 15, 2015 at 12:32 Hi, I have a stm32f4-disco, and I wanted to enable and disable a timer using external interrupt. When the external signal arrives I enable the timer, and when 400 ticks have passed I disable the ...
Posted on September 15, 2015 at 11:37 Hello, i am trying to measure a rc pwm signal (from a single channel of a rc receiver) This signal has a total period of 20ms (50 hz) The active pulse is between 900us and 2000us width St...
Posted on September 14, 2015 at 18:12I have an EXTI programmed on PortB line8 that works as expected when a rising edge is found on GPIO_IN8.Unfortunaltely sometimes, when I reset the GPIO_Pin15 of port B by doing GPIOB->BRR = GPIO_Pin_15 then t...
