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https://community.nxp.com/thread/508874
Sep 11, 2019 · I am not sure why the supplied SDK does not have full DMA support for UART but i just does not, their examples and implementation are not really practical. Hope all works out for you, but I can tell you from my experience trying to get the standard SDK working ended up with a couple of weeks of pulling my hair out. Good luck Bruce!Reviews: 37
https://github.com/RIOT-OS/RIOT/pull/4931/files
This is a refactoring of the UART driver on Kinetis platforms, including: Use gpio_init_af to select pin alternate function (introduced in #4830). Protect uart_write with a per device mutex Add support for up to 5 UART modules (was: 2) Add option to use DMA for UART TX The DMA usage is similar to how the implementation works on STM32F4: Using a mutex to suspend the calling thread until the DMA ...
https://en.wikipedia.org/wiki/Universal_asynchronous_receiver-transmitter
A universal asynchronous receiver-transmitter (UART / ˈ juː ɑːr t /) is a computer hardware device for asynchronous serial communication in which the data format and transmission speeds are configurable. The electric signaling levels and methods are handled by a driver circuit external to the UART.
https://e2e.ti.com/support/wireless-connectivity/bluetooth/f/538/t/218578
I spent days combing through old posts regarding HAL_UART with DMA support and I've finally reached a dead end. I'd really appreciate it if someone could take a look at my brief code and see if there is anything unusual about what I'm doing? Thanks! I've taken the keyfob code and commented out ...
https://community.st.com/s/question/0D50X00009XkY22SAF/using-uart-in-dma-mode
Posted on April 08, 2017 at 00:00 . I am trying to implement UART in DMA mode to transmit a simple string every time a push button is pressed. So I have used CubeMX to generate the code and I have configured UART2 TX DMA in normal (not circular) mode and also no FIFO and no burst.
https://e2e.ti.com/support/processors/f/791/t/865499?Compiler-PROCESSOR-SDK-AM437X-NIMU-example-with-UART-DMA
Part Number: PROCESSOR-SDK-AM437X Tool/software: TI C/C++ Compiler My project need communicate with serial port and network port at the same time. so I try add the uart function into NIMU example. but if I enable the uart dma, the nimu can not start up normally.
https://visualgdb.com/tutorials/arm/stm32/dma/
Jun 11, 2019 · Now the DMA operation ran in parallel with the CalculateFibonacci() function, reducing the overall program time by 21%: The DMA can be especially useful to optimize data transfers between the memory and various on-chip peripherals. E.g. we can modify the example above to output the contents of s_Buffer1 via the UART interface. Before we can do ...
https://devzone.nordicsemi.com/f/nordic-q-a/21943/nrf-52832-uarte-support
I am using UART with baud rate 4800, with even parity and 1 stop bit. I'm getting 6-8 bytes in a packet. I'm receiving packets for every 8-10ms continuously. This affect the processing speed of main process. So I'm planning to use UART with DMA (UARTE). But I didn't find any support for UART with DMA.
http://zedboard.org/content/uart-dma
Hello everybody, Now I'm working for a project which is need data transfer from UART. My data are too many so the transfer speed is too long and make the processor stop working and cannot continue the calculation. I want to make the data from UART is saved directly to the RAM using DMA. Is that possible? Is there any tutorial to make it? Sorry for my English, Thx before
https://www.microchip.com/forums/m848309.aspx
Feb 25, 2015 · DMA with UARt help Hi Everyone! I'm trying to understand and setup UART and DMA for the dspic33fj128mc802 microcontroller. I've read through the discussions about DMA here on microchip aswell as the reference manual about DMA.
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