A tool for control monitor from the command line on M2 macs.
Mainly made for myself using with Stream Deck and shell scripts, so it's not very user friendly but enough for use.
Only tested on M2 mac mini with DP connections directly to the monitor.
Use it on your own risk.
$ ./ddccli
OVERVIEW: A tool for control monitors via DDC/CI on M2 mac.
USAGE: ddc-cli [--verbose] <subcommand>
OPTIONS:
-h, --help Show help information.
SUBCOMMANDS:
list List all monitors
get Get VCP value from a monitor
set Set VCP value to a monitor
See 'ddc-cli help <subcommand>' for detailed help.
No predefined VCP code like brightness or contrast provided, accept raw VCP code only.
VCP Code and value only accepts decimal number.
No monitor compability check. If not working on your monitor, try Better Display or Lunar for DDC/CI hardware support check.
# List all monitors
$ ./ddccli list
Found 2 monitor(s)
#0 Name: DELL U2722D (Vendor: 10AC, Model: 422D)
# Get brightness of monitor 0
$ ./ddccli get -d 0 --vcp 16
75
# Set brightness of monitor 0 to 75
$ ./ddccli set -d 0 --vcp 16 --value 75
true
MonitorControl - MIT License
WTFPL