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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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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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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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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
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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
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Send data with usart in smart card mode and DMA

Posted on July 16, 2013 at 00:26Hi, I'm trying to communicate with a smart card using the usart on a STM105RC. I was successful doing that with normal interrupts, and now I'm trying to use the DMA with the USART for better performance. My problem is...

STM32F405 Custom Software Triggered Interrupt

Posted on July 16, 2013 at 12:39Hi,I was wondering if it is possible to define software triggerd interrupts, i.e. an ISR is triggered by a value change of an arbitrary register.Any help is appreciated! #stm32f4

ole by Associate
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