jontaylor/ddc-ci-tools-for-os-x

DDC/CI Tools for OS X, control your monitor through software

DDC/CI Control for OS X

This is a very rough initial go at hooking in with the apple API for controlling monitors using DDC/CI.

There are three folders in this project

ddc

This is a C library that contains all the code for using DDC/CI.

ddcctrl

A basic command line program for using ddc

ddcgui

A simple example GUI for changing screen brightness.

ddc-ci-tools-for-os-x's Issues

ddcgui: System freeze on readControlValue

• OS X 10.9.5 (13F34)
• MacBook Air 13-inch, Mid 2013
• Dell U2414H

As a workaround I commented out this line

- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
//  [controller_object setControlsToCurrentValues];
}

which prevents the initial calls to readControlValue:.

Setting the brightness works flawlessly.

CGDisplayIOServicePort deprecated in OSX 10.9

CGDisplayIOServicePort deprecated has been OSX 10.9. Is there a work around?

ddc_write incorrect for values < 0x1ff

in ddc/ddc.c: ddc_write, the new value is set with:
data[5] = (_p_write).new_value;
data[4] = 0x1;
which is incorrect for values < 0x1ff. It should be:
data[4] = ((_p_write).new_value) >> 8;
data[5] = ((*p_write).new_value & 255);

License unclear

@jontaylor: I'm currently in the progress of writing a tool which is based on a DDC-library distributed by @kfix for their tool ddcctl.

This library in turn seems to be based on your code, though heavily modified by (I assume) SJ_UnderWater for their tool DDC Panel. Both @kfix and SJ_UnderWater licensed their own code under GPLv3, apparently excluding the files DDC.{c,h}.

Would it be possible for you to add a license to your code which allows for (non-commercial) distribution and modification?

Thank you for your time!
Best regards.