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Forum Posts

I2C DMA and BTF on the STM32F417

Posted on December 17, 2013 at 04:18Hi,Using the peripheral as a master transmitter I would like to use a repeated start to talk to 2-4 devices before closing communications.My code handles interrupts for the start bit and slave address. The DMA dut...

kenny by Associate II
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Multi Channel ADC on 1 DMA

Posted on December 17, 2013 at 11:11 Hi i am trying to scan 4 channel using ADC1 and DMA1. At the end of 1 cycle i will restart the acquision process (triggered in DMA TC interrupt handler). However i realised that it seem on every...

standard peripheral library download ?

Posted on December 18, 2013 at 22:07OK, I admit it's been a year since I tried to navigate the ST site.   I'm trying to find the stm32f0 standard peripheral library.  This link doesn't seem to have any download button: http://www.st.com/web/catalog/...

STM32F4xx_Clock_Configuration_VX.Y.Z.xls

Posted on April 05, 2013 at 01:23Hi every oneWhy i couldn't find any this file ?STM32F4xx_Clock_Configuration_VX.Y.Z.xlsplease tell me where can i download this file thank you. #lmgtfy

imanpakii by Associate III
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send sms with sim900 on stm32f107

Posted on December 16, 2013 at 15:12I have to send a sms with sim900 form my stm32f107 board. I wrote this code, but it does not work. I can't understand why./* Includes */#include ''stm32f10x.h''#include ''stm32f10x_gpio.h''#include ''misc.h''#defi...

mariolep by Associate II
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LSE READY PROBLEM FOR RTC

Posted on December 13, 2013 at 23:33Hello everybody,i use stm32f100c8 mcu for our design and i have problem with LSE ready problem. i used stm32 rtc calendar example from STM32F10x_StdPeriph_Lib_V3.5.0 . For this example, i have this problem. i look...

irmakci by Associate II
  • 1954 Views
  • 5 replies
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Stm32f4 discovery timers

Posted on November 03, 2013 at 19:57Hi all!this is my first post I apologize for the banality of the subject, but they are just starting out with programming the micro.I wanted to ask if it is possible to utilize two timers, where the first increase...

ivan88go by Associate II
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  • 6 replies
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How much SRAM does a STM32F4 need?

Posted on December 16, 2013 at 21:10 This may be one of those how long is a piece of string questions, but any guidance I can get would be much appreciated. After a fun day of trying to get my head around Scatter Files I finally found an exa...

Can not update option bytes.

Posted on December 17, 2013 at 20:11I use STLink v2 to develop project with STM32. Current project is based on STM32F417 chip. Problem with option bytes stand up unexpectedly. Disconnection STLink from computer and board did not solve problem. I can...

musatoff by Associate II
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  • 3 replies
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STM32F4 SDIO Wait_R state time

Posted on December 17, 2013 at 18:58I have an STM32F4 reading audio from a microSD, and am using the Standard Peripheral Library and the eval SDIO_SD.C code as a starting point. Things are working fine, but read rates are important for my applicatio...