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Posted on October 12, 2013 at 22:03Hello,I am trying to apply CRC to an 8-bit array for creating checksum in order to use in transfer. Since CRC of STM32F4 uses registers as 32-bit, I need to do something tricky.For instance, a 8-bit buffer with 42 ...
Posted on October 11, 2013 at 16:46For example i want to use TIM9_CC2 event trigger. I don't understand when does this event happens & triggers the ADC to start sampling. I thought one controls it with TIM9->CCR2 value, but thought wrong - unless i...
Posted on October 14, 2013 at 16:38Hi all,in the http://www.st.com/st-web-ui/static/active/en/resource/technical/document/reference_manual/DM00043574.pdf at page 369 is reported, about the timer functional description, the next sentence ''refer also...
Posted on October 14, 2013 at 10:35I have a question I'm hoping someone might be able to answer for me: I have a STM32F4 Discovery board which has USB OTG FS and USB OTG HS. All I want to do is connect up a simple USB A connector for reading a memor...
Posted on October 14, 2013 at 08:32 Hello, I want to sample 3 channels on ADC1 and 2 channels on ADC3. Does i have the ADCs to use in dual or tripple mode? The following Code does not work :( /* Sample Temp, VRef, VBat...
Posted on October 14, 2013 at 12:47Hi, I am trying to drive a servo motor(for this case, TowerPro MG90S), so I want to get 50 hz frequency and duty cycle between %5 and %10. My board is STM32F407 Discovery. I tried to change Peripheral Lib example a...
Posted on October 09, 2013 at 15:46Hi all,I'm looking for detailed Timers Information: block schemes, detailed descriptions for every kind o timers, timing diagrams etc... for STM32F3.I've found only general information on http://www.st.com/st-web-u...
Posted on October 14, 2013 at 12:38Hello together,I got an STEVAL-CCM001V2 evaluation board. This Board has an TFT-Display and some touch-keys to control the function of the board. The board has an micro-SD card slot and you could watch pictures on ...
Posted on October 14, 2013 at 11:27Hello,I've some problems with the SPI interface of the STM32F405 microcontroller. I hope someone could help me.I've a F-RAM connected to the STM32F405 via SPI. I'll checked pin connection and GPIO configuration wit...
Posted on October 13, 2013 at 06:46Hi,I'm trying to understand what the ADC_SMPR register is used for.According to Reference Manual we have following control on the ADC conversion time:ADC_CR1 Register:Bits 25:24 RES[1:0]: ResolutionThese bits are w...
