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Set GPIO to High Impedance mode

Posted on April 25, 2014 at 09:43Hi , I am working on a project that requires the GPIO to be set to tri state HIGH/LOW/HIGH IMPEDANCE mode.Is there a way to set a gpio on STM32F4 to high impedance ?Thanks.

STM32F415ZG FSMC example

Posted on April 25, 2014 at 12:10 Hi all, I would like to interface a NOR Flash using the FSMC. However I cannot find a tutorial how to compute ADDSET and DATAST. I found application note AN2784 but it is forSTM32F10xxx. Also looking a...

hkamba by • Associate II
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STM32F415ZG user bootloader does not start without debugger

Posted on March 14, 2014 at 10:16Hi everyone,I have develpped a bootloader firmware for the STM32F415ZG microprocessor board. I developed it with Keil uVision 4.23 IDE and used Keil ULINK2 debugger.When I have the ULINK2 connected to the board SW po...

hkamba by • Associate II
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STM32F3 Wake up from stop mode.

Posted on April 24, 2014 at 15:18The original post was too long to process during our migration. Please click on the attachment to read the original post.

arganasss by • Associate II
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USB SOF PIN?

Posted on April 25, 2014 at 09:06A section of  code in the USB host lib 2.0 has been puzzling me for some time now, it is within the USB_OTG_BSP_Init function: /* Configure SOF Pin.*/ //  GPIO_InitStructure.GPIO_Pin = HOST_OVRCURR_LINE; //  GPIO_Ini...

Querry regardung clock cycle in stm32f407

Posted on April 23, 2014 at 14:08Hi I am doing a simple thing in C basically witing it to the PORT I register short int a[1]  = {1,0}; short int *p = &a; while(1)   {          GPIOI->ODR |= *p;   } Basically fetching data from memory and writing it...

sanjib by • Associate III
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stm32f439 supported compiler tool

Posted on March 14, 2014 at 07:03hi all as iam going to work on STM32F439 controller ,i come to know coocox tool is not supporting stm32f439 controller ,can any one let me know that what is the  supported compiler to proceed me further..thanks in ad...

STM32F417 ADC DMA synchronization

Posted on April 24, 2014 at 17:31Hi All, i'm running ADC example from STM's examples, and i'm having repeated values on 100kHz sinusoidal signal , probably it's not possible to sample it to have good resolution but it's only test for repeating , if ...

STM32F4 compiler

Posted on April 22, 2014 at 22:23Hi all, does anybody have running gcc with simd for Cortex-M4 ? Kind regards,

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