About DBudd.1

DBudd.1 · 2023-09-18

I have a test project that sets up TIM3.3 to count microseconds between falling edges of the timer input. The timer is started with a call to HAL_TIM_IC_Start_IT(&htim3, TIM_CHANNEL_3); to start timing the input. Inside HAL_TIM_IC_CaptureCallback(*...

DBudd.1 · 2020-04-06

End result: same SPI channel different devices accessed individually.

DBudd.1 · 2023-09-19

I used input w/DMA. (https://www.youtube.com/watch?v=qqzZ9C0umQ4&list=PLfIJKC1ud8gjLZBzjE3kKBMDEH_lUc428&index=9_Inside HAL_TIM_IC_CaptureCallback(), I corrected for the 16bit timer overflow and did the subtraction to get the duration of the pulse in...

DBudd.1 · 2023-09-19

See also my response to Issamos.I hadn't thought about losing ticks between the event and the reset. It looks like there will be some post processing of the log obtained by the DMA. I thought I'd ask if anybody knew of a way to merge the two ideas. A...

DBudd.1 · 2023-09-19

I already saw those. That was the basis of test project #1. I programmed it up and simplified it to log the value of the timer counter and reset it. At lower frequencies, it gives me a log of the duration of the input pulses.ControllersTech also has ...

DBudd.1 · 2020-04-06

KnarfB: You are correct in detecting the typo (stm32F207IF). Thank you for your response.

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STM32F103 input timer interrupts...

STM32F270IF: If I configure PI0-Pi3 as PSI2_NSS, SCK, MISO, MOSI leaving PSI2_NSS disconnected, can I use GPIO PI4-PI6 as the SPI_NSS for different devices and select which I/O in code prior to spi communications?

Re: STM32F103 input timer interrupts...

Re: STM32F103 input timer interrupts...

Re: STM32F103 input timer interrupts...

Re: STM32F270IF: If I configure PI0-Pi3 as PSI2_NSS, SCK, MISO, MOSI leaving PSI2_NSS disconnected, can I use GPIO PI4-PI6 as the SPI_NSS for different devices and select which I/O in code prior to spi communications?