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Resolved! TIM2 interrupt behaviour

Posted on March 23, 2017 at 13:47I am using TIM2.CH2 input compare. No other interrupts are activated except TIM2.CH2. In TIM2_IRQ handler all IC bits except CH2 are set. Why?Using STM32Discovery on IAR. I expect TIM2_IRQ to fire up on trigger from ...

fshah48 by • Associate II
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  • 8 replies
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STM32CubeF4 - SPI Receiver doesn't work under HAL...

Posted on March 14, 2017 at 17:04Hello everyone!I was forced to move my project to HAL Libs for bunch of reasons beyond the scope of this discussion, and ever since, I ran into problems getting the SPI to work properly. I spent a tremendous time try...

Zaher by • Senior II
  • 3188 Views
  • 14 replies
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Resolved! Is it possible to communicate with PC using STM32F401RE ?

Posted on March 25, 2017 at 09:27Hello everyone. I am using STM32F401RE Nucleo Board. I want to communicate with PC through USB CDC Virtual COM Port. I was following an instruction for STM32F4 Discovery and then I realized that my Nucleo Board didn'...

Huy Pham by • Associate II
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  • 6 replies
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STM32F4 - Using timers with DMA to count pulses.

Posted on March 23, 2017 at 20:24STM32F437 processorI have no experience using the stm32 timers with DMA so I wish to solicit suggestions before banging my head against the wall.I have set up a counter using an ISR to count pulses (RPM) and it works...

John Hite by • Associate III
  • 2771 Views
  • 8 replies
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Timer with DMA

Posted on March 24, 2017 at 19:00STM32F437I am using TIM4 channel 1 and would like to have the timer output handled by DMA instead of my timer ISR but my DMA attempt is not working. So I am fishing for timer/dma example code hopefully that uses DMA ...

John Hite by • Associate III
  • 679 Views
  • 3 replies
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CAN Bus Error Management

Posted on April 17, 2015 at 13:06Hey guys, using the STM32F4 + cube, I setup a CAN device which works good until I play around with disconnecting the CAN bus lines and reconnecting them. Doing so produces bus errors and I am not sure how to handle t...

bdesantis by • Associate II
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  • 3 replies
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STM32 FOC SDK for stepper motor drive ?

Posted on March 25, 2017 at 06:55I've downloaded STM32 FOC SDK for testing closed lo loop stepper driving.Simply reviewing the API, I am not sure the FOC SDK is useful for closed loop control of stepper drive.For example, the shunt resistor configur...

Timer sync

Posted on March 24, 2017 at 17:44In RM0090 section 18.3.15 Timer synchronization all the master/slave examples use timers 1 and 2. Can only adjacent timers be used in master/slave modes, must the lower number be the master? I don't see where the cou...

John Hite by • Associate III
  • 469 Views
  • 1 replies
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