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STM32 UART #4 || Receive Data using the DMA

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Watch PART 3 :::: • STM32 UART #3 || Recei...
Watch PART 5 :::: • STM32 UART #5 || Recei...
Check out STM32 UART Series :::: • STM32 UART Series
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Опубликовано:

24 авг 2024

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Комментарии : 17

@fillempie1501 7 месяцев назад

Again great video!

@AhmadAsmndr 5 месяцев назад

thank you very much!

@hadighorbani355 7 месяцев назад

like big like

@inferno5335 7 месяцев назад

Hello I wanted to say that i love your videos so much you are such an amazing content creator ! i was wondering if you are going to adopt the websocket method to visualize real time data variation in a http server ? That would be extremly good since there's no tutorial in youtube yet. If not, do you have any ressources that can help me know more about this method ? thank you again !

@nguyenthanh1485 3 месяца назад

at 12:25 , can I use another DMA Channel to set Mem 2 Mem instead of using memcpy function for copy data ? which is better ?

@ControllersTech 3 месяца назад

yes you can. mem 2 mem is better for large data as it keeps the CPU free. Although if the data is small, it doesn't really matter.

@MK-bi9fu 7 месяцев назад

Thanks!

@aashutoshgupta8172 3 месяца назад

HELLO brother, is it possible to use uart in dma or IT mode, but condition is this I want to rewrite the whole buffer from beginning when ever I receive data irrespective of buffer size is this possible plz help me

@ControllersTech 3 месяца назад

Check out video#5 of this series

@thiagofernando2256 6 месяцев назад

Hey, thanks a lot for your video. I just want to share a problem that I am facing. I am trying to send data from a Maixduino Board to my STM32F411. I dont know why but when I send a message like "1234", the STM only gets the first 2 bytes, and the program get stuck. Do you have any idea of what is happening here?

@ControllersTech 6 месяцев назад

need to see both codes.

@tilekt4248 12 дней назад

Don't you have a microphone?

@Amelia__307__ 6 месяцев назад

Hello, I used the DMA_CIRCULAR mode(UART Rx) and the size of the receive data is 5. When I received 7 data, 2 data were written in the next buffer. And even if I received normally 5 data afterwards, the data was already pushed back. Even though I used HAL_UART_DMAStop() and HAL_UART_Recive_DMA(&huart1, RxData, SIZE), the index of the data was still pushed back. I don't know what to do. Any opinions would be appreciated.

@ControllersTech 6 месяцев назад

Please mention this in steps. 1. Dma is set to receive 5 bytes 2. I received 7 bytes and the indx is 2. 3. 4. Etc...