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Specified possible keypad backlight control

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Luxferre
2022-07-29 07:37:21 +03:00
parent 79b3693cfb
commit 9c78ab5193
2 changed files with 6 additions and 6 deletions
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README.md
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@@ -83,15 +83,15 @@ Just like with SPARTA, it's entirely up to the implementation to choose the rand
The `05` port is divided as follows:
Bits |7 |6-4 |3-0
-------|---------------|-------------|---------------------------
Meaning|Charger plugged|Battery level|Screen backlight brightness
Bits |7 |6-4 |3 |2-0
-------|---------------|-------------|----------------|--------------------
Meaning|Charger plugged|Battery level|Keypad BL switch|Screen BL brightness
The higher nibble (bits 4 to 7) is used to indicate the status of charging and battery level. This nibble is read-only and must be ignored on modification.
The lower nibble (bits 0 to 3) of the status can be modified from the application, and the runtime should attempt to change the backlight brightness level, where 15 is the highest and 0 means backlight off.
The lower nibble (bits 0 to 3) of the status can be modified from the application, and the runtime should attempt to change the screen backlight brightness level, where 7 is the highest and 0 means backlight off, and toggle the keypad backlight switch as well if supported.
Note: emulated environments are allowed to always return `ff` when this port is read from, which means emulating a fully charged phone with external power supply connected on the maximum brightness.
Note: emulated environments are allowed to always return `ff` when this port is read from, which means emulating a fully charged phone with external power supply connected on the maximum screen brightness and backlit keypad.
## Sound output