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How to use DSP?

Posted on January 03, 2012 at 17:46Hello. I’m beginer in STM. I  know how use adc, timers, interrupts etc.. I use Atollic TrueStudio, and I don’t know how use DSP. I know that i must use CMSIS library, but i don’t know how i must start this in...

seba881 by • Associate
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  • 6 replies
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stm32F205 and usb

Posted on September 19, 2011 at 13:27Hi everyone, I want to use usb in stm32f205 In documentation http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/DATASHEET/CD00237391.pdf on page 12 it is written that this microcontroler has ...

micha3 by • Associate
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  • 9 replies
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Please, help to start

Posted on December 18, 2010 at 12:29I have STM32VL-Disco, EWB5.4 ARM compiler.Please, help to me ''hello word'' :) Built in firmware work good, but I think debug it ;) and try to program my own project

vitecd by • Associate II
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  • 9 replies
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Can't set PORT B4

Posted on January 10, 2012 at 21:50Hello guys, i have a problem.I can't set port b4 on STM32VL-Discovery.I tryed with debug and on watch window it is set, but voltage stay 2.4V.I tryed and other, to reset port b4.But there it's still stay 2.4V.Just ...

peter_l by • Associate II
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  • 7 replies
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Timer 3, Interrupt frequency>1MHz

Posted on January 11, 2012 at 23:54How to get interrupt frequency bigger than 1MHz ? I have Discovery F4 Board and use Timer 3 as TIM_TimeBase Example. I have code as follow: __IO uint16_t CCR1_Val = 10000; __IO uint16_t CCR2_Val = 1000; __IO uint16...

AN3969

Posted on January 04, 2012 at 16:38Whre can I find files for AN3969 EEPROM emulation Regards

normand by • Associate II
  • 1181 Views
  • 3 replies
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Can't calculate a float.

Posted on January 10, 2012 at 11:41A little question, When I'm trying to calculate a float I'll get ''ISR   HardFaultVector_IRQn'' What am I doing wrong? My code: --------------------------------------------------------------------------------------...

RTC wakeup fom standby problem

Posted on January 10, 2012 at 12:31I'm having a strange problem when waking up from standby mode via an RTC alarm. All works as expected when there is no bootloader. Once I start using my custom bootloader the chip wakes up on RTC alarm but stalls w...

trevor23 by • Associate III
  • 702 Views
  • 1 replies
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Maximum Output Speed

Posted on January 07, 2012 at 06:09Hi,I am curious as to what the '50MHz' output speed of the GPIO ports refers to (with correct configuration bits set). Is it the maximum frequency of a square wave output, or does it have something to do with the r...

knabbers by • Associate II
  • 9808 Views
  • 6 replies
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