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UART idle transmission

Hi,I'm exploring using UART idle interrupt on RX to signal to my application that data has arrived.I currently push data into a tx queue then start transmission. I rely on uart tx ISRs to check if there is any more data to send, then load up a DMA tr...

law__ by Associate II
  • 572 Views
  • 10 replies
  • 8 kudos

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
  • 134 Views
  • 1 replies
  • 0 kudos

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
  • 155 Views
  • 3 replies
  • 0 kudos

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
  • 215 Views
  • 3 replies
  • 2 kudos