[SOLVED] [Bare metal] H3 : Example UART/DMA

dmx512 · Published in 2018-7-15 03:48:31

Edited by dmx512 at 2018-10-19 07:24

I am looking for an easy to read

examples for UART/DMA on the H3 SoC.

Any links to open source would be much appreciated.

Thanks, Arjan

dmx512 · Published in 2018-10-3 23:41:56

Example can be found here -> https://github.com/vanvught/rpid ... /src/h3/dmx_multi.c

HOlson012 · Published in 2025-6-1 02:34:07

When working with bare-metal programming on the Allwinner H3, UART communication with DMA can significantly improve efficiency. DMA allows data transfers between peripherals and memory without CPU intervention, reducing overhead. For example, configuring UART with DMA on the H3 involves setting up registers for baud rate, FIFO, and DMA channels. Proper initialization ensures smooth data flow, ideal for logging or real-time communication. Debugging can be done via serial monitors, ensuring accurate transmission. For professional services like reliable roofing solutions, check out https://falxroofing.ca/mississauga-roofers/ for expert assistance.

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