STM32 MCUs Products

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Forum Posts

CanRx no callback

Posted on March 14, 2016 at 11:26 Hi, I wrote about in other topic but it was not clear so I took decision to start other topic. I'm working with CAN of F103 with CubeMX configuration. Transmiting works fine but I have pr...

bartocham by Associate II
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  • 10 replies
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Stereo vision?

Posted on March 26, 2016 at 17:23Hello, I'm a software guy and I need help for a new project on depth measurement with stereo cameras. There are a few commercial modules available, but they don't fit our requirements because of size or lack of firmw...

ec by Associate
  • 495 Views
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DMA_MultiBufferSetConfig example

Posted on December 17, 2015 at 01:44Hi, is there any example of how to implement DoubleBuffer mode for DMA transfer? I have I2S stream and DMA configured on Circular Mode, but I need to implement double buffering. Thank

How to send uint32_t hex via USART

Posted on March 26, 2016 at 05:33Hi All,I would like to send uint32_t hex via USART, but no idea how to do it.for example:uint32_t buffer[2];buffer[0] = 0x12345678;buffer[1] = 0x87654321;USART_puts(buffer[0])  <-- ????  the USART_puts length is uint...

STM32CubeL4 v1.4.0

Posted on March 25, 2016 at 00:22I upgraded to STM32CubeMX 4.14.0 and it tries to update STM32L4 FW to V1.4.0; at 39MB of the 224MB download it stops with a ''Problem during download'' error and if I try to download it at http://www.st.com/web/en/ca...

SPI CPHA Problem

Posted on March 25, 2016 at 22:53My application requires CPHA=1 in the SPI phase configuration of SPIx_CR1. STM32F030 family does not allow me to set CPHA to 1.  I did not see it in the errata.  Is there anyway to get around?  Thanks.

jwang by Associate II
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  • 1 replies
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File STM32CubeL4.zip is currupted

Posted on March 24, 2016 at 16:18Hello,I'm unable to unzip the file STM32CubeL4.zip which I found from the link (http://www.st.com/web/catalog/tools/FM147/CL1794/SC961/SS1743/LN1897/PF261908♯)  at the bottom of the page : http://www.st.com/web/catal...

CAN Stuff Error - Acknowledge

Posted on July 23, 2015 at 11:27I have a problem with the CAN Interrupt.My application is only listening, then I disconnect the CAN plug and get sometimes a CAN Stuff Error, this is ok, because it happens really.I read out the error and acknowlege i...

mmetzger by Associate II
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  • 6 replies
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Using Locks in STM32L4/F4 without RTOS

Posted on March 23, 2016 at 05:55Hi, Is there a  way to prevent the critical section of the code using Locks in STM32 code witout using an RTOS.Or in another way any variable which gurantees the portion of the code execution in an atomic fashion. ...

darla14 by Senior
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