Post Profile


[Mike] wanted to drive several SPI peripheral from a PIC32. He shows how much latency his conventional interrupt handlers were taking away from his main task. He needed something more efficient. So he created the SPI channels using DMA. He also made a video (see below) with a very clear explanation about why he did it and shows oscilloscope traces about how it all works.
read more


Related Posts

Samsung plans to slash SSD prices to hard drive levels by 2020

Technology / Hardware : Extremetech

Samsung wants to slash SSD prices by 2020, with a 512GB drive matching the price of a 1TB HDD today. Samsung will need to cut prices by nearly 70% if it wants to pull that off.

Mike Phirman Uses His Hands to Create a Snake That Performs ‘Trust in Me’ From ‘The Jungle Book’

Humor / odd : Laughing Squid

Musician Mike Phirman (Hard ‘N Firm) used only his two hands to create a snake puppet to perform “Trust in Me” from The Jungle Book. I was messing around with my hands in the mirror, and this dude just crawled out. How could I not l...

Solid State Drives: how much storage do you need?

Technology :

I have bought and built several PCs in the past that had a Solid State Drive (SSD) as their main storage drive.  The first drive that I built into a PC had a storage capacity of 64 Gigabytes, which was not a lot if you take into con...

Driving WS2812B Pixels, With DMA Based SPI

Technology / Gadgets : Hack a Day

Typically bit-banging an I/O line is the common method of driving the WS2812B (WS2811) RGB LEDs. However, this ties up precious microcontroller cycles while it waits around to flip a bit. A less processor intensive method is to use ...

Startups Are Taking Over CES

Technology / Gadgets : TechCrunch: Gadgets

The Consumer Electronics Show keeps on growing. Several years ago the show outgrew the massive Las Vegas Convention Center and started using part of the Sands Expo Center several blocks away. They called it Eureka Park and made the ...


Copyright © 2016 Regator, LLC