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dsp

Posted on February 07, 2015 at 18:46  The original post was too long to process during our migration. Please click on the attachment to read the original post.

kemal by • Associate II
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USB Firmware

Posted on February 14, 2015 at 04:06I have any STM32F100C8T6 board that communicate to PC by USB HID. This board can be detected by USB HID Demonstrator, but it can not be detected by DFUse. If I want to use this board with my own firmware, what I h...

zamzoni by • Associate II
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  • 1 replies
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Meassuring frequency of external signal

Posted on February 14, 2015 at 12:39Hi, is it possible to meassure frequency of external signal via Input capture, if the external signal is only from 0,5V to 2,5V (not from 0V to Vdd - 3V) and it is sine wave (not square wave)?Thank you

jelinpe7 by • Associate
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CPAL I2C Issue

Posted on April 12, 2012 at 16:30One of my colleague has an issue with CPAL that ppl might have seen before (when being used for I2C communication on the SMT32L15R6...It appears to do start communicating, sends the start, sends the address and then ...

MikeAtETI by • Associate III
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  • 2 replies
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How to corretly stop timer

Posted on February 13, 2015 at 21:41Hello, I am measuring voltage via ADC, using timer TRGO interrupt trgiggered DMA. After measuring 1000samples I need to stop, proces meassured data and then continue in meassuring. I stop timer by:TIM_ITConfig(TIM...

j3lda by • Associate II
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  • 2 replies
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HC-05 responding to blueterm ''d'' instead of ''o''

Posted on February 14, 2015 at 10:12Hi there , I wrote a simple program that turns on the LED on the stmf4 discovery and using BlueTerm for sending data to the hc-05 module , the interrupt function is like this:void USART1_IRQHandler(void){ // check...

monta by • Associate II
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Struggling with HC05 Module for AT Command

Posted on February 13, 2015 at 16:57I'm getting some hard time trying to make my HC05 to execute an AT command from my stm32f4 , first it seemed that the problem was that the module was not in AT mode, now that i got it to enter AT mode it still is ...

monta by • Associate II
  • 818 Views
  • 7 replies
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RTC doesn't tick with HSE/128

Posted on December 22, 2012 at 17:11 I meet troubles with RTC on STM32F103RBT6. And it seems RTC in STM32 is very big problem. Many people have problem with RTC.STM32 has many restrictions for LSE crystal. Noname crystal from China which work...

urasinov by • Associate II
  • 1194 Views
  • 8 replies
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STM32F1 bootloader issue

Posted on February 13, 2015 at 14:23Hello,in last batch from our supplier we have a problem with entering internal bootloader via USART1.Something probably changed in the processors, because previously, there was absolutely no problem. Now we have l...

zexx86 by • Associate II
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  • 4 replies
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