STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

SPI need help

Posted on July 16, 2013 at 05:15 So ive been trying to get the SPI interface working. Here's what i have so far. void SPI_Setup(void) { SPI_InitTypeDef SPI_InitStructure; SPI_I2S_DeInit(SPI1); SPI_InitStructure.SPI_Direction = SPI_Dir...

timothy by Associate II
  • 722 Views
  • 4 replies
  • 0 kudos

Internal OpAmp and ADC sample time

Posted on August 08, 2013 at 12:28I need to adjust the STM32F303 ADC sample time to fit to the internal OpAmp. I can't find any specification of the OpAmps output impedance to take it in account as R AIN for the sampling time table #66 in the data s...

v_ by Associate II
  • 439 Views
  • 1 replies
  • 0 kudos

STM32F103VET6 ,converts RGB/YCrCb image data to JPEG

Posted on August 07, 2013 at 10:12Can you help me a little bit?My thesis is about writing the code for image compression and decompression on STM32F103VET6. I have a RGB file and my tasks are writing 1 code to convert the RGB to a JPEG and writing 1...

amore by Associate II
  • 936 Views
  • 4 replies
  • 0 kudos

STM32F4 Discovery + DM-STF4BB + 180 deg.

Posted on August 08, 2013 at 16:42Hi,I've bought those two boards, but for about 20s DM-STF4BB was rotated 180 deg. so +5V and +3V3 goes somewhere where shouldn't. Do you think DM-STF4BB survived?Second question: from where I can download examples f...

zenek by Associate
  • 775 Views
  • 3 replies
  • 0 kudos

I2C busy flag

Posted on August 05, 2013 at 12:10 Hello, I am trying to connect two boards using I2C. I have already configured one as master but whenever I send the start condition the I2C bus is busy. Maybe I am wrong in the initialization of the GPIO...

edgar by Associate II
  • 765 Views
  • 4 replies
  • 0 kudos

NVIC - Defining software interrupt

Posted on August 08, 2013 at 08:37 Hi , I want to add a new interrupt to the system , i know that the NVIC can support up to 256 interrupts , currently in my evaluation boad ( stm32f4g-eval) there are only 81 used . So i added a new on...

Dual ADC

Posted on August 08, 2013 at 10:46Hi, i am using STM32F303 and I use ADC1 and ADC3, sometimes ADC3 doeset work Do I need to enable dual adc or is this recquired when ADC1 and ADC2 are used tnx

marko by Associate II
  • 298 Views
  • 0 replies
  • 0 kudos