Mac screen/keyboard brightness controller

How to compile

cargo clean && \
cargo build --release && \
strip ./target/release/mac-light-controller

How to run

• It will print the usage if no parameter provided

  ./target/release/mac-light-controller
  Usage: [DEBUG=true] mac-light-controller keyboard/screen +/- [total_steps_from_0_to_max]
  
  - 'keyboard/screen' is required.
  - '+/-' is required.
  - If 'DEBUG=true' provide, it prints the debug information.
  - If `total_steps_from_0_to_max` not provided, set to `10` by default which means press 10 times from `0` brightness to `max` brightness.

• Increase screen brightness

  DEBUG=true ./target/release/mac-light-controller Screen +
  # brightness_control_type: Screen
  # is_increase_brightness: true
  # total_steps: 10
  # max_brightness: 1953
  # current_brightness: 1195
  # temp_step_value: 195
  # new_brightness_value: 1390
  # Set new brightness value '1390' successfully.

• Decrease screen brightness

  DEBUG=true ./target/release/mac-light-controller Screen -
  # brightness_control_type: Screen
  # is_increase_brightness: false
  # total_steps: 10
  # max_brightness: 1953
  # current_brightness: 1390
  # temp_step_value: 195
  # new_brightness_value: 1195
  # Set new brightness value '1195' successfully.

• Increase keyboard brightness

  DEBUG=true ./target/release/mac-light-controller Keyboard +
  # brightness_control_type: Keyboard
  # is_increase_brightness: true
  # total_steps: 10
  # max_brightness: 255
  # current_brightness: 0
  # temp_step_value: 25
  # new_brightness_value: 25
  # Set new brightness value '25' successfully.

• Decrease keyboard brightness

  DEBUG=true ./target/release/mac-light-controller Keyboard -
  # brightness_control_type: Keyboard
  # is_increase_brightness: false
  # total_steps: 10
  # max_brightness: 255
  # current_brightness: 25
  # temp_step_value: 25
  # new_brightness_value: 0
  # Set new brightness value '0' successfully.