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DMA between 2 SPIs and FSMC

Posted on July 17, 2013 at 13:40The original post was too long to process during our migration. Please click on the attachment to read the original post.

JPEG decompression to BMP

Posted on July 17, 2013 at 11:47Hello all,I've been trying to convert JPEG files to BMP for over two weeks. I have STM3240G-EVAL which includes IJG's JPEG library in its ''demonstration builder'', however, I could not figure out how to use it. All I...

gnyturan by • Associate II
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  • 7 replies
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STM32F407 dont stop SPI communication properly

Posted on July 18, 2013 at 21:19Hi, I have Problems with STM32F407VGT6 and SPI, I read from SPI 2x 16-bit words from device. In documentation is written after the first word is read then wait for short period that th one clock cycle starte then disa...

Osto by • Senior
  • 553 Views
  • 1 replies
  • 1 kudos

GPIOB_pin12 connecting to interrupt line

Posted on July 23, 2012 at 22:26 hello, i am trying to make interrupt based touchscreen program, but have no luck connecting GPIOB_pin12 to interrupt line i was able to do so in GPIOA_pin1, but still cant figureout how to do that on GPIO...

linas2 by • Associate II
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  • 12 replies
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MIPS as indicator for performance

Posted on July 15, 2013 at 18:50Hi , I am working on Cortex M4F CPU , its 168 MHZ , i know that Cortex M4F is 1.25 MIPS per MHZ so a quick calculation will give me total of 210 MIPS . Lets say i have an algorithm  that runs 3 seconds , so what shou...

AN4013 & RM0313 contradict about Timer Features?

Posted on July 08, 2013 at 00:37Hello Forum, i am trying to get an overview of the various timer periphals present in the STM32 Mikrocontroller Family. It now seems that the two documents http://www.st.com/st-web-ui/static/active/cn/resource/technic...

profclonk by • Associate II
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  • 7 replies
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STM32F427 - USART - most significant bits problem

Posted on July 17, 2013 at 08:59Hello,I'm trying to make a communication protocol via the UART. I have a M4 and an A8 which communicates via RS485 transmitters.For the trials, the UART is set to 9600 bps, 8 bits per character with one stop bit and a...

clement by • Associate II
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  • 2 replies
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STM32F4 flash erase for IAP

Posted on July 04, 2013 at 14:53Hi everybody, I'm trying to make the IAP exampe code from ST running on the Olimex board E-407 (STM32F4) but when i want to erase the flash, a hardfault occurs. More precisely, it happens right after setting the STRT ...

lesaint by • Associate
  • 967 Views
  • 4 replies
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Problem with CAN config and Clock STM32F407VG

Posted on July 17, 2013 at 11:35 Hi, I have a problem with my CAN configuration, I try to interface the STM32 with a NI USB/CAN. The problem is the baudrate configuration I think, see my code below : GPIO_InitTypeDef GPIO_...

aurelien by • Associate
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