Raspberry Pi Pico PIO - Ep. 8 - Introduction to DMA

Join David as he explores Direct Memory Access (DMA) for the RP2040. Included are examples of how DMA works with PIO and IRQ. 00:00 - Introduction 00:44 - DMA Structure 02:57 - Simple DMA-PWM Fade LED Example 03:39 - Initialize PWM 05:09 - Configure DMA 08:10 - Rune the DMA-PWM Example 08:41 - DMA-PIO-IRQ LED Example 09:31 - PIO Program 12:01 - Main C program 12:34 - Interrupt Handler 14:13 - Configure PIO 14:43 - Configure DMA 16:30 - Run the DMA-PIO-IRQ Example 16:44 - Closing Links: Files for this episode: https://github.com/LifeWithDavid/Raspberry-Pi-Pico-PIO/commit/d060dead08dc1f8abf97eb4c92e5cfe83da5d1a5 RP204 Datasheet: https://datasheets.raspberrypi.com/rp2040/rp2040-datasheet.pdf Raspberry Pi Pico C/C++ SDK: https://datasheets.raspberrypi.org/pico/raspberry-pi-pico-c-sdk.pdf Craig Chadwick's DMA BLOG: https://gregchadwick.co.uk/blog/playing-with-the-pico-pt2/ Music: (Pinnacle 19.5 royalty-free music): Pulsing Dance House Fever Reaction Time City Night Groove