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Timer ISR return procedure

Posted on February 11, 2013 at 19:01Hello to everyone.I have just started to study STM32 microcontrolles (using STM32F4 Discovery kit) and can't understand one thing.Test task is simple �? set up Timer 7 to generate 100000 update events per second...

orionhere by • Associate II
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  • 8 replies
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the doubt in M4-Discovery input capture library

Posted on April 19, 2012 at 19:43like this: I don't know why selecting opposite polarity ! /* Select the Opposite Input Polarity */  if (TIM_ICInitStruct->TIM_ICPolarity == TIM_ICPolarity_Rising)  {    icoppositepolarity = TIM_ICPolarity_Falling;  }...

malloc not work on size more then 500 bytes in STM32

Posted on February 12, 2013 at 13:25I try to enter malloc for some area at my programI use IAR 6.4 with STM32F205ZC.first i annunce the buffer pointeruint16_t * ADC3ConvertedValue; and then I call the functionADC3ConvertedValue = (uint16_t*) malloc ...

Barbie by • Associate II
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  • 3 replies
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is stm32f4 have crc16 unit?

Posted on October 04, 2012 at 17:42Hi guys Is anybody knows about crc16 in stm32f4 ? Is this have any crc16 calculator like crc32 ?thank you #reverse-polynomial #fire-codes

imanpakii by • Associate III
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  • 11 replies
  • 1 kudos

[STM32F205RC] Cannot get ADC ISR to trigger ...

Posted on February 12, 2013 at 20:08 Hello, Just want to convert one channel and trigger an interrupt when finished, just the basic stuff ... but can't get the ADC interrupt to trigger : /* * adc.c * * Created on: Feb 12, 2...

root by • Associate II
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  • 5 replies
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Posted on February 12, 2013 at 17:26Thank you for the quick answer.Actually I did. I picked the A0 address pin and NE4 as a chip select signal. That makes my base address as follow: 0x6C000000+2**(0+1)=0x6C000002.Unlike ILI9320, I need to send a com...

freeRtos & usarts interrupt

Posted on February 09, 2013 at 07:35hello every one i use stm32f107 and i want to use freeRtos and usart1,usart2 interrupts at the same time (only RXNE interrupt) but ofter many usarts interrupt micro controller get fault if i remove usarts interru...

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