About JJ.5

JJ.5 · 2023-06-24

Hello,I'm currently using the ADC on the NUCLEO-H743ZI2 board to sample a low frequency sine wave signal.The ADC is configured to DMA, circular buffer, continuous sampling mode and oversampling ratio of 4 with 2 bits shift.When I set the ADC sampling...

JJ.5 · 2023-06-23

Hello,I'm working on a NUCLEO-H743ZI2 development board.I was trying to change ADC sampling rate based on the frequency. The ADC is set to DMA mode and triggered by TIM2.The problem is when I use "TIM2->ARR = 4800-1; " or "__HAL_TIM_SET_AUTORELOAD() ...

Powering NUCLEO-H743ZI2 with User USB? · 2023-06-02

I'm currently working on a project involving a NUCLEO-H743ZI2 board.I want to know if it's possible to power the board with User USB instead of ST-Link USB.Or if it's possible to transfer data using ST-Link USB and use User USB for debugging.Thank yo...

JJ.5 · 2023-06-27

I believe you are correct.The actual transfer speed is around 7Mbit/s to 8Mbit/s.Thanks a lot!I assumed the actual rate is the same on the datasheet, but it's not.:sad_but_relieved_face:

JJ.5 · 2023-06-27

I believe it has STlinkV3. I can try to use it intead of USB FS.Thanks!

JJ.5 · 2023-06-27

I am using USB2.0 cable and USB2.0 port. The transfer speed should reach 12Mbits/s. And I'm only sending 32bits in roughly 200Ksamples/s to 300Ksamples/s, which shouldn't exceed 12Mbits/s.I will double check the transfer.Thank you.

JJ.5 · 2023-06-25

Thanks for the suggestion.Both DMA priority are set to low.I am using DMA 1 Stream 0 for ADC and DMA 2 Stream 0 for DAC.Right now, DAC is producing the sine wave signal gets feed to the ADC input. I also did use the HAL_GPIO_WritePin() in half callba...

JJ.5 · 2023-06-25

Thanks for the reply.I can't generate a sawtooth signal.But I have verified the data in the DMA buffer is glitched instead of the read method.Here is the graph by reading the u16_t value directly from the DMA buffer.The input sine wave is 2KHz and th...

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NUCLEO-H743ZI2, Sampling low frequency signal with high ADC sampling rate causes gaps, glitches.

ADC halts for long time when changing TIM autoReload Register on runtime

Powering NUCLEO-H743ZI2 with User USB?

Re: NUCLEO-H743ZI2, Sampling low frequency signal with high ADC sampling rate causes gaps, glitches.

Re: NUCLEO-H743ZI2, Sampling low frequency signal with high ADC sampling rate causes gaps, glitches.

Re: NUCLEO-H743ZI2, Sampling low frequency signal with high ADC sampling rate causes gaps, glitches.

Re: NUCLEO-H743ZI2, Sampling low frequency signal with high ADC sampling rate causes gaps, glitches.

Re: NUCLEO-H743ZI2, Sampling low frequency signal with high ADC sampling rate causes gaps, glitches.