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STM32F4 Generation PWM

Posted on October 28, 2013 at 11:06Please! Help me to generate a meander with frequency of 8 MHz on the timer - counter in mode PWM. Clocking from MCO1/MCO2 does not approach!

alem_sd by • Associate II
  • 812 Views
  • 3 replies
  • 0 kudos

Setting up SDIO interface on F4 -CMD2 issues

Posted on October 10, 2013 at 16:24Hi guys, I'm currently setting up an SD Card on the STM32F4 Discovery and have managed to so far get through the initial setup commands without too many issues. CMD0, CMD8,CMD55,CMD41 have all successfully been sen...

external interrupt issue

Posted on June 17, 2013 at 21:08 Hi there I'm pretty new to stm world I'm trying to generate an external interruption by pushing the user button on a stm32f4 discovery dev board, I tried to implement the staf via the API provided with the...

me780411 by • Associate
  • 635 Views
  • 2 replies
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Errors building lwip

Posted on October 28, 2013 at 14:05 Hello, While trying to build thehttpserver_socket project with FreeRtos (STM32F4xx_Ethernet_Example\Project\FreeRTOS\httpserver_socket\EWARM\Project.eww) I've got the following messages: Warning[...

mfm by • Associate II
  • 1158 Views
  • 4 replies
  • 0 kudos

USART on the STM32F051

Posted on October 28, 2013 at 18:00Hi Folks, I am a little bit confused about the USART built in in the STM32F051. He is don`t talking to me although I am asking really polite. This is my init-code: RCC -> AHBENR |= (RCC_AHBENR_GPIOAEN); //PA9 GPIO...

carbolo by • Associate II
  • 800 Views
  • 3 replies
  • 0 kudos

Help with SDIO please

Posted on October 28, 2013 at 15:31 Hi guys, first of all sorry if my english isn't good, lol. I've been working with a stm32f407vg + ethernet + lwip + sd card (using the stm32f4_discovery_sdio_sd.c) for my degree final proyect. I was abl...

Unable to upgrade the firmware on STM32F3Discovery board

Posted on October 28, 2013 at 16:59I used the STM32 ST-LINK Utility to connect to my STM32F3Discovery board.I couldn't seem to erase the chip, or erase any sectors so I thought the firmware needed to be updated in the embedded ST-LINK device on the ...

aras by • Associate
  • 1091 Views
  • 2 replies
  • 0 kudos

Timing Between Events - Guaranteeing Catching the CNT Register

Posted on October 28, 2013 at 14:02Using an STM32F407I am using a timer to capture the time between two TRGI events. It is set to reset every trigger in event. In my current code, the ISR for the TRGI event reads the CNT value to determine this valu...

dibs by • Associate II
  • 458 Views
  • 2 replies
  • 0 kudos

Using string type in C with STM32F4

Posted on October 28, 2013 at 15:54Hi everyone,I have to handle strings in my code and I don't know how to use this type of data. I assume that it comes with the compiler I'm using (gcc arm-none-eabi). I found and declared 'string.h' at the begining...

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