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Forum Posts

I2C1 issue when using PB6 and PB7

Posted on July 17, 2013 at 21:12 When using the Audio_Playback_and_record example I was able to communicate with the codec[UDA1380] I2C interface[PB6, PB9] but when using PB6 and PB7[on my own board], I get a NAK even though the data appears to ...

DCMI Issues, looking for insight.

Posted on November 07, 2011 at 17:23Hello everyone, I have had a couple porblems resolved by sharing with the community here. I am now moving into the toughest part of my project. I am incorporating a Micron VGA CMOS Digital Image Sensor that I hav...

stbbrad3 by Associate II
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  • 47 replies
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function for set reset

Posted on July 17, 2013 at 11:03HI , i have this function which sets x bit( passed as a parameter) of a byte . after some code the variable should be restored to it's initial value .char a ; global variable void function(char x){int b = a;a |= (1<<x...

raducara by Associate II
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  • 1 replies
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SDIO Libraty for STM32F417 or programming manual for CooCox

Posted on June 13, 2013 at 16:04Hi everyone!Could you give me a complete example for SDIO raw read/write with 4-bits wide bus and DMA?I'm trying to do it in Coocox CoIDE. Unfortunately there are no examples included. Could you write a manual step-by...

M_1 by Associate II
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  • 6 replies
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Position independent code on STM32F2xx

Posted on July 17, 2013 at 13:24I'm trying to create a position-independent application that will run in one of two possible locations in flash as part of a firmware update process. A 'live' application will download a new application, check it for ...

richard by Associate
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  • 0 replies
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USART

Posted on July 17, 2013 at 05:19 I tried configuring. Im using the STM32F103RB /* Setup GPIO pin GPIO_USART1_TX. */ GPIO_InitTypeDef GPIO_InitStructure; // GPIO structure USART_InitTypeDef USART_InitStructure; // USART Structure USART_ClockIn...

timothy by Associate II
  • 844 Views
  • 2 replies
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DMA timer capture

Posted on July 16, 2013 at 16:42Hi,I need to do some timming analyses on signal. I use the capture mode of a timer.When I use the interrupt to capture event, it works but when the signal is fatser I get into overrun issue, I cannot run my CPU faster...

Adalgiso by Associate II
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  • 2 replies
  • 0 kudos