Power Management (2) of WM/wince code Study Series)

System Power status change

 

1.Backlightoff timeout

2.User activity or appbuttonpressed

3.Useridle timeout

4.User activity or appbuttonpressed

5.Powerbuttonpressed or suspend timeout

6.Powerbuttonpressed or appbuttonpressed

7.Useridle timeout

8.Powerbuttonpressed or suspend timeout

9.Powerbuttonpressed or suspend timeout

10.Unattendedrefcount = 0 or suspendtimeout

11.Wakeup from susponded status

12.Resumingsuspendtimeout

13.Powerbuttonpressed or appbuttonpressed

14.Suspend timeout

15.Powerbuttonpressed or appbuttonpressed

 

Setsystempowerstate ()

16.Setsystempowerstate (null, power_state_on, power_force) or setsystempowerstate (L "on", 0, 0 );

17.Setsystempowerstate (null, power_state_useridle, power_force) or setsystempowerstate (L "useridle", 0, 0 );

18.Setsystempowerstate (null, power_state_reset, power_force) or setsystempowerstate (L "reboot", 0, 0 );

19.Setsystempowerstate (null, empty, power_force) or setsystempowerstate (null, power_state_off, power_force) or setsystempowerstate (null, power_state_critical, power_force) or setsystempowerstate (L "Suspend );

20.Setsystempowerstate (null, power_state_idle, power_force) or setsystempowerstate (L "screenoff", 0, 0 );

21.Setsystempowerstate (L "coldreboot", power_state_reset, power_force)

Note:

1. In Windows Mobile 6 Professional and Windows Mobile 6 classic (pocketpc), there are no migration lines in the useridle status, such as 3, 4, 7, 8, 9, and 17.

2. In Windows Mobile 6 Standard (smartphone), there are no unattended, resuming, and susponded statuses, and the Migration lines 5, 6, 8, 9, 10, 11, 12, 13, and 14 do not exist.