example-apa102-ledstrip not lighting leds with Stretch about ofxgpio HOT 5 CLOSED

Hello, thanks for the report.

right now i'm traveling for work i do not have the tools with me for checks.
I will update you as soon as I go back to Italy at the beginning of January!

you can give me these info:
uname -a
(in case you're using openframeworks)
openframeworks version

from ofxgpio.

Hi Dario,
Thanks for such a quick response and I'm not in a rush to move to Stretch. I'll try to do some work on this too over the next few weeks.
uname -a:
Linux statler 4.9.59-v7+ #1047 SMP Sun Oct 29 12:19:23 GMT 2017 armv7l GNU/Linux
I am using the "master branch" of oF, which I cloned from https://github.com/openFrameworks/openFrameworks.git with modifications according to Christopher Baker's post https://forum.openframeworks.cc/t/compiling-of-in-raspbian-stretch/27562/15. I have oF folders for Method 1 and Method 2 from the post.

from ofxgpio.

Hi @chilina,

the BUG apa102 is theoretically resolved.
tested on debian stretch.

if you can test on jessie it would be nice.

cheers

from ofxgpio.

Wow Dario thanks! I'll test it on Jessie soon and post the results here. What did you do to resolve it with Stretch?
edit: oops forgot that Github makes it so easy to see all the changes. I'll have a look at what you changed and see if I can figure it out so that I can fix my own application.
edit: the apa102 example works great with Jessie and the master branch of oF!
edit: it also works great with Jessie and the 0.9.8 distribution of oF.
edit: and I can confirm that it compiles and works with Stretch and the master branch.
I'll close this issue and we can re-open it later if we need to. Thanks again Dario!

from ofxgpio.

to solve the problem apa102 just add a memset in the
readWrite method of spi2.h, view here:
https://github.com/kashimAstro/ofxGPIO/blob/master/src/spi2.h#L32

however, in these last days I have made some changes and additions to ofxGPIO,
with changes also on LED class that manages apa102
i advise you to rediscover the master and take a look at it.

has been added (if you work without openframeworks):
Gtk+ UI a simple bridge for gtk ui interface
TCP Unix socket for communication between application or more raspberry

and added:
simplified syntax for class GPIO and MCP
check readme and documentation.

and read these examples:

example-mcp-simple-syntax
example-simple-syntax-gpio

(TCP server, control pin: GPIO17)

example-server-led

(TCP client, ON/OFF button example for control: example-server-led )

example-gtk2-client

(Gtk+ UI sample)

example-gtk2-led
example-gtk2-ui

(this example work only openframeworsk,
used to control I/O of the whole GPIO through a graphical interface.)

example-gpio-pindescription

from ofxgpio.