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SPI1 DMA channel/stream

Posted on October 25, 2012 at 14:38Where do I find out what DMA channel/stream i need to use for SPI1 TX.not sure which st document has this information in it?(stm32f4)Thanks :)

russdx by • Associate II
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  • 2 replies
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Flashing STM32F405 with ST link utility

Posted on October 24, 2012 at 21:07Hi all,After flashing my board based on a STM32F405RG with ST link utility (Hex compiled with GCC under eclipse), I can't communicate anymore with the core. I have this error :Cannot run core while booting from fla...

neoirto by • Associate II
  • 1027 Views
  • 5 replies
  • 0 kudos

ST32f4discovery+sdcard+fatfs problem

Posted on June 30, 2012 at 23:43Hello, i have a small problem i think.With the help of this forum and google i created a project with CoIDE.What it should do is reading the directory of an SDCARD.The SDCARD part is working. but the fatfs is not work...

arnold by • Associate II
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  • 48 replies
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Using CCM (or other ram) to store critical functions

Posted on October 23, 2012 at 13:50 Hi. I am using a STM32F4discoveryboard to prototype an application. In the application, I have some really critical interrupt that must be handled (or else there will be an uncontrolled surge of over 80...

marbel by • Associate II
  • 1769 Views
  • 6 replies
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EOC interrupt for ADC

Posted on October 22, 2012 at 16:42  The original post was too long to process during our migration. Please click on the attachment to read the original post.

orn by • Associate II
  • 2808 Views
  • 14 replies
  • 0 kudos

STM32F2 series flash mapping

Posted on October 24, 2012 at 19:51Hi,I am using STM32F207VE, and trying to perform read/write operation. Since this chip has flash memory of 512K, not sure how the mapping takes effect. Memory mapping is explained for 1MB flash, but not for lesser ...

mit by • Associate II
  • 702 Views
  • 2 replies
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STM32F2 series flash mapping

Posted on October 24, 2012 at 19:53Hi,I am using STM32F207VE, and trying to perform read/write operation. Since this chip has flash memory of 512K, not sure how the mapping takes effect. Memory mapping is explained for 1MB flash, but not for lesser ...

mit by • Associate II
  • 373 Views
  • 0 replies
  • 0 kudos

Stoopid SWD remap - Undo ? :)

Posted on October 24, 2012 at 15:02 Hello everyone, Well this error still makes me laugh because it's so stupid :) I was planning to use PB4 as an output PP to pull up my USB D+ line. after some time trying to understand why it was not working I jus...

longchair by • Associate III
  • 434 Views
  • 2 replies
  • 0 kudos

SPI Transmission Problem

Posted on October 23, 2012 at 04:00I've got an STM32F103 chip transmitting SPI. It works fine most of the time. It's configured to be idle low. It is idle low when transmitting most values, but when I transmit the value 0b1000000, the data line goes...

heinsmatt by • Associate II
  • 1082 Views
  • 6 replies
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