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Diffstat (limited to 'share/man/man4/keyboard.4')
| -rw-r--r-- | share/man/man4/keyboard.4 | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/share/man/man4/keyboard.4 b/share/man/man4/keyboard.4 index fa7cff9..24d9098 100644 --- a/share/man/man4/keyboard.4 +++ b/share/man/man4/keyboard.4 @@ -11,10 +11,10 @@ The PC keyboard is used as the console character input device. The keyboard is owned by the current virtual console. -To switch between the virtual consoles use the sequence +To switch between the virtual consoles use the sequence .Ar ALT+Fn , which means hold down ALT and press one of the function keys. -The +The virtual console with the same number as the function key is then selected as the current virtual console and given exclusive use of the keyboard and display. @@ -50,12 +50,12 @@ Switch virtual console. Change the meaning of another key. .El .Pp -The keyboard is seen as a number of keys numbered from 1 to n. This +The keyboard is seen as a number of keys numbered from 1 to n. This number is often referred to as the "scancode" for a given key. The number -of the key is transmitted as an 8 bit char with bit 7 as 0 when a key is +of the key is transmitted as an 8 bit char with bit 7 as 0 when a key is pressed, and the number with bit 7 as 1 when released. -This makes it +This makes it possible to make the mapping of the keys fully configurable. .Pp The meaning of every key is programmable via the PIO_KEYMAP ioctl call, that @@ -91,21 +91,21 @@ represented by the map array, as shown below: 0x1E 'a' 'A' 0x01 0x01 'a' 'A' 0x01 0x01 .Ed .Pp -This is the default mapping for the key labelled 'A' which normally has -scancode 0x1E. The eight states are as shown, giving the 'A' key its -normal behavior. +This is the default mapping for the key labelled 'A' which normally has +scancode 0x1E. The eight states are as shown, giving the 'A' key its +normal behavior. The spcl field is used to give the key "special" treatment, and is -interpreted as follows. +interpreted as follows. Each bit corresponds to one of the states above. -If the bit is 0 the -key emits the number defined in the corresponding map[] entry. -If the bit is 1 the key is "special". This means it does not emit -anything; instead it changes the "state". That means it is a shift, -control, alt, lock, switch-screen, function-key or no-op key. +If the bit is 0 the +key emits the number defined in the corresponding map[] entry. +If the bit is 1 the key is "special". This means it does not emit +anything; instead it changes the "state". That means it is a shift, +control, alt, lock, switch-screen, function-key or no-op key. The bitmap is backwards ie. 7 for base, 6 for shift etc. .Pp The flgs field defines if the key should react on caps-lock (1), -num-lock (2), both (3) or ignore both (0). +num-lock (2), both (3) or ignore both (0). .Pp The .Xr kbdcontrol 1 |
