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Strange ADC and DMA problem

Posted on August 30, 2011 at 10:51The original post was too long to process during our migration. Please click on the attachment to read the original post.

karsten23 by • Associate II
  • 1065 Views
  • 7 replies
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5V pin no longer supplies 5V; other problems too

Posted on September 02, 2011 at 00:48Yesterday I hooked up my STM32VL Discovery board as the 5V power source for a simple circuit (powering the STM32VL itself from USB). It worked fine. However, today the 5V pin is only supplying about 3V (and the 3...

mastyskal by • Associate II
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  • 5 replies
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STM32F103C8T6 SPI problem

Posted on August 31, 2011 at 15:16Hi, I am trying to establish communication between STM32F103C8T6 and an ASIC using SPI.The STM32 is the master and the ASIC is the slave. The requirement of the ASIC is that it requires the MOSI line to be high duri...

flash word write and byte write

Posted on September 01, 2011 at 22:32Hello,I am using the STM32F series. Right now I am writing to the flash one word at time. I have no problem doing this. I now implemented a function that writes one byte at a time. When I try to do this, I get th...

whitney by • Associate II
  • 1051 Views
  • 3 replies
  • 0 kudos

Is any redundancy necessary when using USB HID stack ?

Posted on September 02, 2011 at 14:35Hi all, I am using ST's USB HID stack on an STM32. I communicate with a PC software, and I sometimes got strange behaviours, but I'm not sure if it comes from wrong data during communications. So, I wonder if I n...

Kuikui by • Associate III
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  • 0 replies
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DMA to SPI NDTR Problem

Posted on September 01, 2011 at 17:14I'm noticing a strange issue when I enable a DMA stream to SPI where the NDTR register changes from my value to 0xFFFF.Below is a code snippet for the DMA transfer function:    //Setup DMA for TX    DMA2_S3PAR = ...

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