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STM32H5 DMA to GPIO

I am unable to control GPIO output pins with the H5 GPDMA.  I am able to control GPIO with the F103 using this project...https://github.com/mnemocron/STM32_PatternDriver...where the DMA is much simpler.  Section 3.7 of AN5593 (How to use the GPDMA fo...

h5_tim2_param.png h5_tim2_gpdma2.png
rmilne by Associate
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  • 1 replies
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Resolved! Program STM32H7xx over UART3 timeout

So new problem while trying to bypass non functioning SWD...Using a working NUCLEO_H723 I can use the STM32CubeProgrammer to access it via STLINK (internal and external) as well as via USB DFU after reset with BOOT0 high.From my reading of AN2606, on...

niallp by Associate II
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  • 3 replies
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STM32G431 ADC Glitches when triggered by timer

I have an STM32G431 doing FOC on a little gimbal motor, but am getting strange noise on the current sense ADC when it's being triggered by TIM3. It shows up as random spikes, which values always end up being dividable by 8. Weird thing is, if I have ...

file-20251014202501327.png DavidKoster_0-1761512625706.png DavidKoster_1-1761512690407.png

Resolved! UART loopback test receives only first character

Hi all, I have an STM32L071VBT6 and want to test the UART functionality. I configured UART4 RX and TX and physically connected them to do a loopback test.  I define 2 arrays to start with /* USER CODE BEGIN PV */ uint8_t Send_buffer[] = "Gateway tes...

AADW_0-1761570191480.png
AADW by Associate
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  • 3 replies
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Resolved! STM32F401/RM0368 bad GPIOA->MODER reset value

As reported here, this is obviously incorrect.Also, this has been already reported by Uwe Bonnes for 'F411/RM0383, which has indeed been corrected in the registers description, but the GPIO register map still contains the incorrect value. So, could S...

0693W00000QN7YeQAL.png

Resolved! Timer Problem driving Neopixel (WS2812) LED

Hi everyone. I am driving a Neopixel LED with a PWM signal in DMA mode using a timer. Even though all variables are the same, my code works with timer 3, but the same code doesn't work with timer 2 with the same timer configuration. Why could this be...