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CAN bus on STM32F103: how to begin

Posted on November 25, 2014 at 23:48Hi everybody, these days I'm starting a project based on STM32F103RE uC for which I have to use the CAN bus pheripheral to transmit and receive messages.I have no previous experience with CAN pheripheral on STM32 ...

emilio by Associate II
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Basic CAN bus transmit

Posted on February 09, 2015 at 00:59I am new to the CAN bus and have spent the last few days looking over code examples and searching the web for tips and I'm using the STM32303C-EVAL board. I'm just trying to get transmit to work, so my question is...

dteal by Associate II
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STM32F4-Discovery SPI LIS3DSH

Posted on February 09, 2015 at 04:16 Hi all, I was able to use the code below to init the SPI and read the values fromaccelerometer SPI_InitTypeDef SPI_InitTypeDefStruct; GPIO_InitTypeDef GPIO_InitTypeDefStruct; RCC_APB2PeriphClockCmd(...

STM32F4 - Discovery

Posted on February 09, 2015 at 21:27Hi,I'm trying to enable USART communication, but I have a problem. I want to send hex number, for example 0x35, and I want to use HAL_USART_Transimt function without IRQ. But I need to put size of buffer and timeo...

zivadin by Associate II
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STM32_F0 Changing Timer Period

Posted on February 09, 2015 at 20:32Hi All,I have a timer running on my STM32F0 and I would like to change the period of the timer mid-application. Do I need to rerun my timer configuration with the new timer period or can I simply update the single...

daniel2 by Associate II
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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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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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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...

state machine

Posted on February 09, 2015 at 10:53how to use state machine in arm,can yo plz tel me and give me a example