SD + SPI LCD on vocore 2?

xcutc
 
Posts: 2
Joined: Tue Jun 05, 2018 4:00 pm

SD + SPI LCD on vocore 2?

Tue Jun 05, 2018 4:08 pm

hello,
i would like to use this board for a badge project.
my plan is to connect a µSD and a 2.8" SPI display (ILI9341).
i would like to use the fbtft driver, i'm curious if that will work, did someone something like this before?

greetingsa

Vonger
 
Posts: 676
Joined: Sun Oct 19, 2014 6:00 am

Re: SD + SPI LCD on vocore 2?

Thu Jun 07, 2018 12:14 am

Please check http://vonger.cn/?p=8216, there are five blog about use SPI screen.
If use fbtft, you will need to hack the kernel a little. :) good luck.

xcutc
 
Posts: 2
Joined: Tue Jun 05, 2018 4:00 pm

Re: SD + SPI LCD on vocore 2?

Thu Jun 07, 2018 6:41 am

interesting, thanks!

is the speed a limitation from the vocore or the lcd that u used?
if its the vocore, it will be useless for my application.... :(

Vonger
 
Posts: 676
Joined: Sun Oct 19, 2014 6:00 am

Re: SD + SPI LCD on vocore 2?

Fri Jun 08, 2018 3:16 am

it is spi screen...vocore spi max speed is at least 10Mbps, but normally screen with spi interface only support 2Mbps at most.
Do you check my new invention :p ==> vocore2 screen(http://vocore.io/screen.html)? it is go over USB port, speed is no problem, up to 25fps 800x480 at 24bit true color.

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