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3

I know that you get whether the lid is open or closed from:

ioreg -r -k AppleClamshellState -d 4 | grep AppleClamshellState.

What I want to know is if the lid is open, what is its angle relative to the plane it is sitting on.

macos macbook command-line hardware

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edited 7 hours ago

bmike♦

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BlamBlam

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3

I know that you get whether the lid is open or closed from:

ioreg -r -k AppleClamshellState -d 4 | grep AppleClamshellState.

What I want to know is if the lid is open, what is its angle relative to the plane it is sitting on.

macos macbook command-line hardware

share|improve this question

edited 7 hours ago

bmike♦

168k4646 gold badges304304 silver badges662662 bronze badges

asked 11 hours ago

BlamBlam

11844 bronze badges

New contributor

Blam is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

I know that you get whether the lid is open or closed from:

ioreg -r -k AppleClamshellState -d 4 | grep AppleClamshellState.

What I want to know is if the lid is open, what is its angle relative to the plane it is sitting on.

macos macbook command-line hardware

share|improve this question

edited 7 hours ago

bmike♦

168k4646 gold badges304304 silver badges662662 bronze badges

asked 11 hours ago

BlamBlam

11844 bronze badges

New contributor

Blam is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

edited 7 hours ago

bmike♦

168k4646 gold badges304304 silver badges662662 bronze badges

asked 11 hours ago

BlamBlam

11844 bronze badges

New contributor

Blam is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

edited 7 hours ago

bmike♦

168k4646 gold badges304304 silver badges662662 bronze badges

asked 11 hours ago

BlamBlam

11844 bronze badges

New contributor

Blam is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

edited 7 hours ago

bmike♦

168k4646 gold badges304304 silver badges662662 bronze badges

edited 7 hours ago

bmike♦

168k4646 gold badges304304 silver badges662662 bronze badges

asked 11 hours ago

BlamBlam

11844 bronze badges

New contributor

Blam is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 11 hours ago

BlamBlam

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1 Answer
1

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5

There is no easy way to do this from within the computer (you could always measure it of course). The hardware on laptops only needs to know whether the lid is closed or not, so a simple on/off switch is enough and built-in.

---

There are (at least) two threads on reddit where apparently the tilt level seems to control audio volume:

• https://www.reddit.com/r/ProgrammerHumor/comments/6fek1m/hope_you_dont_mind_having_the_volume_turned_up/


• https://www.reddit.com/r/ProgrammerHumor/comments/6fowct/lid_controlled_volume_mac_edition/

The first one is quite obviously a fake, the second one claims

You're right! I used the ambient light sensor values to calculate the percentage

So while there isn't a way to get the angle directly, it can be calculated/approximated using other sensors.

share|improve this answer

edited 7 hours ago

answered 11 hours ago

nohillside♦nohillside

56.8k1414 gold badges119119 silver badges167167 bronze badges

• 
  
  
  

  
  3
  

  
  
  
  
  
  

  
  
  I think you're ignoring the opportunity to superglue a Bluetooth spirit level to the lid of the MacBook :-) Oh, and one to the chassis too.
  
  – High Performance Mark
  11 hours ago
  

  
  
  
  

add a comment | 

5

There is no easy way to do this from within the computer (you could always measure it of course). The hardware on laptops only needs to know whether the lid is closed or not, so a simple on/off switch is enough and built-in.

---

There are (at least) two threads on reddit where apparently the tilt level seems to control audio volume:

• https://www.reddit.com/r/ProgrammerHumor/comments/6fek1m/hope_you_dont_mind_having_the_volume_turned_up/


• https://www.reddit.com/r/ProgrammerHumor/comments/6fowct/lid_controlled_volume_mac_edition/

The first one is quite obviously a fake, the second one claims

You're right! I used the ambient light sensor values to calculate the percentage

So while there isn't a way to get the angle directly, it can be calculated/approximated using other sensors.

share|improve this answer

edited 7 hours ago

answered 11 hours ago

nohillside♦nohillside

56.8k1414 gold badges119119 silver badges167167 bronze badges

• 
  
  
  

  
  3
  

  
  
  
  
  
  

  
  
  I think you're ignoring the opportunity to superglue a Bluetooth spirit level to the lid of the MacBook :-) Oh, and one to the chassis too.
  
  – High Performance Mark
  11 hours ago
  

  
  
  
  

add a comment | 

5

There is no easy way to do this from within the computer (you could always measure it of course). The hardware on laptops only needs to know whether the lid is closed or not, so a simple on/off switch is enough and built-in.

---

There are (at least) two threads on reddit where apparently the tilt level seems to control audio volume:

• https://www.reddit.com/r/ProgrammerHumor/comments/6fek1m/hope_you_dont_mind_having_the_volume_turned_up/


• https://www.reddit.com/r/ProgrammerHumor/comments/6fowct/lid_controlled_volume_mac_edition/

The first one is quite obviously a fake, the second one claims

You're right! I used the ambient light sensor values to calculate the percentage

So while there isn't a way to get the angle directly, it can be calculated/approximated using other sensors.

share|improve this answer

edited 7 hours ago

answered 11 hours ago

nohillside♦nohillside

56.8k1414 gold badges119119 silver badges167167 bronze badges

• 
  
  
  

  
  3
  

  
  
  
  
  
  

  
  
  I think you're ignoring the opportunity to superglue a Bluetooth spirit level to the lid of the MacBook :-) Oh, and one to the chassis too.
  
  – High Performance Mark
  11 hours ago
  

  
  
  
  

add a comment | 

There is no easy way to do this from within the computer (you could always measure it of course). The hardware on laptops only needs to know whether the lid is closed or not, so a simple on/off switch is enough and built-in.

---

There are (at least) two threads on reddit where apparently the tilt level seems to control audio volume:

• https://www.reddit.com/r/ProgrammerHumor/comments/6fek1m/hope_you_dont_mind_having_the_volume_turned_up/


• https://www.reddit.com/r/ProgrammerHumor/comments/6fowct/lid_controlled_volume_mac_edition/

The first one is quite obviously a fake, the second one claims

You're right! I used the ambient light sensor values to calculate the percentage

So while there isn't a way to get the angle directly, it can be calculated/approximated using other sensors.

share|improve this answer

edited 7 hours ago

answered 11 hours ago

nohillside♦nohillside

56.8k1414 gold badges119119 silver badges167167 bronze badges

share|improve this answer

edited 7 hours ago

answered 11 hours ago

nohillside♦nohillside

56.8k1414 gold badges119119 silver badges167167 bronze badges

answered 11 hours ago

nohillside♦nohillside

56.8k1414 gold badges119119 silver badges167167 bronze badges

answered 11 hours ago

nohillside♦nohillside

56.8k1414 gold badges119119 silver badges167167 bronze badges