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Running STM32 without crystal

Posted on February 09, 2015 at 20:47  The original post was too long to process during our migration. Please click on the attachment to read the original post.

ydamihux by • Associate
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USART dropping last byte

Posted on February 09, 2015 at 18:27Hi All,For my application I need to send 5 bytes over UART repeatedly. I store the 5 bytes in an array (TxBuffer) and iterate through it (index 0-4) on every USART_IT_TXE interrupt. When my counter reaches 5, I di...

daniel2 by • Associate II
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  • 2 replies
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Detect connection of signal to pin

Posted on February 09, 2015 at 15:13Hello, is there a way to detect connection of some signal to pin (recognize if pin is connected to some signal or if pin is unconnected).

j3lda by • Associate II
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  • 1 replies
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How to measure the core operating frequency

Posted on February 09, 2015 at 12:20I am using the STM32F429 Discovery board. I followed the http://stm32f4-discovery.com/2014/04/library-03-stm32f429-discovery-system-clock-and-pretty-precise-delay-library/to run the core at specified frequency. So...

128Mbit SDRAM Configuration

Posted on February 06, 2015 at 15:02I'm developing a prototype using STM32F4 - to start a first prototype I started to write the software for the STM32F429I-DISCO board. I used clive's init code to drive the 64Mbit SDRAM onboard - it works like a ch...

karbach by • Associate II
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  • 3 replies
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Best way to debug a STM32L152 Discovery board

Posted on February 06, 2015 at 15:14HiI am working with a discovery board with an embedded ST-Link. Debugging over the embedded ST-Link works great over USB. However I need to develop software that uses the USB port as a USB HID Device. Doing this w...

per2399 by • Associate II
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  • 3 replies
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STM32 Discovery Timer Reset problem

Posted on February 08, 2015 at 17:25Hi, I'm STM32F4-Discovery board and am trying to log GPS data into uSD card. I've configured the DMA and am able to view the data in the card. But, the data has gaps which was expected as the DMA interrupt is coun...

Application (.hex) Flash Write on STM32F407

Posted on February 07, 2015 at 06:00Hai all, Now i am working with STM32F407 for OTA (Over the air) via ethernet.I can able to receive some sample bytes of data via ethernet and i can able to write on flash successfully.Now i want to flash write one...

STM32 sdio sdhc 4gb problem

Posted on September 13, 2012 at 08:37Hello, I've a problem with sdhc used with sdio in stm32f4-discovery platform. I've tried 2 versions of fat file system and sd driver, but I am not able to run sdhc properly. The things I tried; 1) Nemui's sdio i...

yigit by • Associate II
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