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STM32F103 - I2C Slave - Polled works, Int fails

Posted on April 23, 2013 at 12:38 Hi all, Im taking my first steps in trying to get a STM32F103 I2C slave working... Not easy considering what seems to be the complete lack of simple known working examples :( Polling for I2C eve...

mwp by Senior
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  • 5 replies
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USB help stm32f4

Posted on April 30, 2013 at 09:35Hello I am using stm32f407 ;  this function  USBH_Process(&USB_OTG_Core, &USB_Host); execute about 4 seconds  then start the application ; is there any suggestion to decrease the excution time ?

sami by Associate II
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  • 1 replies
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generate one pulse

Posted on July 08, 2011 at 06:18I am trying to generate a single pulse using the TIM_SelectOnePulseMode() function in STM32f10x_tim.c source file. But I am not able to get the pulse. why? I am using TIM4 CH2... Any advice? int main(void) {     TIM_C...

kong0073 by Associate II
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  • 16 replies
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Programming Issue

Posted on April 30, 2013 at 11:30 Hi guys, I've been working on interfacing an SD Card with this board but I'm having some issues on programming. The problem is that I've made a function to read a cluster on the sd card however as soon as I u...

erik by Associate II
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  • 15 replies
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open drain GPIO output

Posted on April 29, 2013 at 16:36Dear all, A question about configuring GPIO outputs, I've connected a Led to 3v3 and the other side via a resistor to the STM32F051. I want to switch on the led with the GPIO_SetBits() function However my led is by d...

evert2 by Associate II
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  • 6 replies
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strange interrupt's behaviour

Posted on May 01, 2013 at 12:37hi,i want to generate an interrupt when i get a specified value from MEMS acceleromter :when I reach this value sound starts and when I'm below it the sound stops but the interruption behaves contrary to what I want:Wh...

karoui by Associate II
  • 334 Views
  • 1 replies
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SPI NSS Hardware control

Posted on April 30, 2013 at 10:51Hello, I have a problem with SPI communication in case of NSS Hardware control. NSS of SPI Signal is always low. I know that it is low when SPI is enable, and high when SPI is disable. But it is always low. why? The ...

Kim.Andy by Associate III
  • 277 Views
  • 1 replies
  • 0 kudos