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Forum Posts

Noise with DMA/ADC

Posted on September 30, 2016 at 06:33We are running a number of channels of ADC on the STM32F0-Discovery board. We have the code below configured to continually read the input signal levels.  The code is based on routines posted elsewhere in this fo...

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STM32F103RBT6 complimentary output polarity problem

Posted on October 10, 2016 at 01:11Hi,I am trying to get complimentary output working with the same polarity on both the OCx and OCxN.  I have successfully done this with TIM_OCPolarity_High, and TIM_OCNPolarity_Low.  The next step is to be able to ...

STM32F103 resetting

Posted on October 10, 2016 at 09:35Hi, I have an STM32F103RC8 controller board. I have two LEDs connected to two port bits. When I load a using flash loader demo program to toggle the LEDs the program works for a few seconds and the controller reset...

nps by Associate II
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Possible mistake in DMA channel 3 selection for STM32L0x2

Posted on October 08, 2016 at 16:31Found a possible mistake in ''DocID025941 Rev 3'' page 276 in C3S[3:0] description    1100: DMA channel 3 remapped to USART4_TX  1101: DMA channel 3 remapped to USART4_TX Is it real routing scheme or it should be ...

STM32F4 multi-channel input capture interrupt confusion

Posted on October 10, 2016 at 01:34 I was hoping to get some clarification on a topic that has me confused with the STM32F4. I'm wanting to use all four channels of Timer2 for measuring period and the number of events for four different incoming ...

mvaras101 by Associate II
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STM32F4 discovery SPI issue

Posted on October 09, 2016 at 07:06Hello,         - I am using STM32F4 discovery board to send data via SPI. i have got it working but there is a small issue. the SS pin goes high before the the mcu finishes sending data. i am using SPI1, and used ...

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Need help - SPI and internal pull-up

Posted on October 08, 2016 at 22:46Hi, I use STM32L073 and configure SPI port. Problem is my slave device has SPI_MISO pin as open-drain, very uncommon. Question is if I configure MCU pin as SPI_MISO can I have also pull-up function on that pin or n...

darko2 by Associate
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CubeMX 4.16.1 deletes user code

Posted on October 07, 2016 at 22:51Hi. I am writing my engineering thesis and I have to build a project based on STM32F746G-Discovery. So I started by creating a project in CubeMX, then writing some code in it in Keil uVision 5, wrote my own LCD lib...