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two STM32 micro USART communication

Posted on February 14, 2015 at 14:33In my design, I am using two STM32 micro communicate with USART, the connection is as below, these two micro is in same board, and the communicate trace line length is around 1.5 inch. STM32F030 (USART1_TX)  PA9--...

STM32F407 Half Duplex

Posted on February 13, 2015 at 11:33Hi,I am trying to figure what I need to set the SPI peripheral to communicate to a device which can be configured to be master or slave and has a single data bus.The slave device has the following pins - SCK, DATA...

paul23 by Associate II
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STM32F101 is not responding to reset

Posted on February 14, 2015 at 07:42Hi,We have a trouble with STM32F101. We used STM32F101 for far field device. It passed all EMI/EMC test for CE, then we started to field installation.After a while, server communication was lost with some devices....

mustafa by Associate II
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  • 8 replies
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stm32f4 spi problem

Posted on February 14, 2015 at 14:57Hi, the code for my interrupt handler is belowvoid SPI_IRQHandler(SPI_TypeDef * SPIx){ uint8_t SPIn = (SPIx == SPI1) ? 0 : ((SPIx == SPI2) ? 1 : 2); if(SPI_I2S_GetITStatus(SPIx, SPI_I2S_IT_RXNE) == SET) { if(_RxCo...

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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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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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
  • 701 Views
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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
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  • 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
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  • 8 replies
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