Battery Management Unit status flags (changes)
Showing changes from revision #2 to #3:
Added | Removed | Changed
Portable
» Battery Management Unit status flags
The below flags are used by BMU variables 10 and 18, Event 28, and Portable_EnumerateBMU (as a mask of supported flags).
| Bit | Meaning when set |
|---|---|
| 0 | Battery fully charged (threshold 3) |
| 1 | Lid open |
| 2 | Battery flat (threshold 2 reached) [shutdown now] |
| 3 | Battery low (threshold 1 reached) [warn user] |
| 4 | Fault in charging system |
| 5 | Charge state known |
| 6 | Battery present |
| 7 | Charger connected |
| 8 | Battery charging |
| 9 | Battery failing (the battery has been detected as no longer being able to hold a charge well, and should be serviced or replaced) |
Notes
Not all BMU status flags are available in all variants of the module. Use Portable_EnumerateBMU to read the available flags, or see the Portable Feature Matrix for the details of versions of the module which don’t implement Portable_EnumerateBMU.
See also
Social
Follow us on
and
and
ROOL Store
Buy RISC OS Open merchandise here, including SD cards for Raspberry Pi and more.