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switch ON/OFF screen under Wince 6 with AM 3703

Other Parts Discussed in Thread: AM3703

Hello,

I'm currently working on an AM3703 and trying to switch OFF and ON the screen.

I have tried with the SetPowerRequirement :

HANDLE SetPowerRequirement(
  PVOID pvDevice,
  CEDEVICE_POWER_STATE DeviceState,
  ULONG DeviceFlags,
  PVOID pvSystemState,
  ULONG StateFlags
);


I've tried these parameters :
pvDevice = "\Windows\omap_dss.dll" //as displayed in "control panel" ->  "Power Properties" (I've tried too with pvDevice = "BKL1:")
DeviceState = D4 and tried with D2

DeviceFlags = POWER_FORCE = 0x00001000

   pvSystemState = NULL and StateFlags = 0

It was not working.

Is there a way to switch on / off the screen?

any advice is welcome.