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Dynamic Memory Usage

Posted on December 04, 2013 at 12:23Hi guys, I have to do a RAM check routine that performs Class-B controls on pre-assigned (probably all RAM) memory block. The first doubt that rise is : if I allocate the memory statically I can't free it (or rele...

sarraciro by Associate II
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  • 9 replies
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stlink v2 & ITM trace

Posted on November 07, 2013 at 19:02 Hi, I am currently stuck with stlink v2 and ITM trace on a STM32F103RB. I am using CMSIS debug support by simply calling ITM_SendChar(). This is the only trace specific code than I am using. I...

bernd by Associate II
  • 3178 Views
  • 9 replies
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STM32F4 - Master Receive

Posted on December 04, 2013 at 22:45I am attempting to get an STM32F4 to receive data in Master mode. I am getting a problem where the RXNE interrupt is never tripped.*Should this work, even if you have MISO tied to GND or 3.3V?*Do I need to do anyt...

dibs by Associate II
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  • 10 replies
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WFI returns to unexpected address after DEEPSLEEP

Posted on December 03, 2013 at 23:55Hi, I'm experiencing an odd problem on the STM32F103RF where I get a hard fault UNDEFINSTR on return from WFI in DEEPSLEEP.  Here's a summary of my observations: 1. The hardfault occurs attempting to execute code ...

greg2 by Associate
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  • 10 replies
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STM32F0-Discovery SPI2 setup and operation.

Posted on December 05, 2013 at 15:02I have an application that requires both of the SPI interfaces running as masters. The code currently has SPI1 up and running. I have then copied the setup function calls and updated them to configure SPI2 (taking...

jason23 by Associate II
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  • 4 replies
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stm32f429Idiscovery demo touchscreen bug

Posted on December 04, 2013 at 20:29Hello,Today I bought one of  these new stm32f429 discovery boards :http://www.st.com/web/catalog/tools/FM116/SC959/SS1532/PF259090For the moment I only launched the demo software, but it seems that the tuchscreen ...

atsju2 by Associate II
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  • 10 replies
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Capture a timer value upon another timer update

Posted on December 05, 2013 at 16:43Hi,I have two timer running TIM2 and TIM4. I would like to capture TIM4 counter value when TIM2 overflows (update). I do not wish to sample the value inside the ISR because i need precision. I would like to use so...

Problems with CAN Controller

Posted on December 05, 2013 at 16:48The original post was too long to process during our migration. Please click on the attachment to read the original post.

dhorywal by Associate II
  • 639 Views
  • 2 replies
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Debugging with STM32F401C Discovery

Posted on November 27, 2013 at 11:42Hi, I am using a STM32F401C Discovery board with the L3GD20 project example and I wanted to use the Debug printf view to see what are the data coming from the gyroscope. I followed this tutorial from Keil to enabl...

tgr by Associate II
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  • 19 replies
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