And what about the battery kind? You should check for it too (MaxVoltage
for NiCd is not 3.00 volts).
Bozidar
> -----Original Message-----
> From: Daniel McCarty [mailto:[EMAIL PROTECTED]]
> Sent: Friday, March 05, 1999 8:10 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Problems with getting accurate battery readings.
>
>
> [EMAIL PROTECTED] wrote:
> >
> > I recieved some code a while back on how to do this but after
> modifying it to
> > run on the palm pro (the sysBatteryInfo call is different) I get the
> > percentage but the guage is no longer correct. I am assuming
> that the new call
> > for Palm 3 must return something other that battery volts (mine
> is based a a 3
> > volt battery which I also need a better way of doing this too).
> Can somebody
> > help?
>
> I use the following code to display a battery in any version of the
> OS, including PalmV's LiIon batteries:
>
> void GetVoltage(UIntPtr voltage, BytePtr percent) {
> UInt warning;
> DWord romVersion;
>
> // we have to correctly calculate the current voltage on a PalmPilot,
> // PalmIII, PalmIIIx and PalmV...and in the future, PalmVII.
> FtrGet(sysFtrCreator, sysFtrNumROMVersion, &romVersion);
> if (sysGetROMVerMajor(romVersion) < 3) {
> *voltage = SysBatteryInfoV20(false, /*set*/
> &warning,
> NULL, /*criticalThresholdP*/
> NULL, /*maxTicksP*/
> NULL, /*kindP*/
> NULL /*pluggedIn*/);
> // calculate the current percentage using pseudo-floats
> // instead of doubles and their corresponding 3.5k FPL
> *percent = (*voltage - warning) * 100 / (MaxVoltage - warning);
> } else
> *voltage = SysBatteryInfo(false, /*set*/
> NULL, /*warnThresholdP*/
> NULL, /*criticalThresholdP*/
> NULL, /*maxTicksP*/
> NULL, /*kindP*/
> NULL, /*pluggedIn*/
> percent);
> }
>
> (MaxVoltage is define'd as 300.)
>
> Hope this helps,
> Daniel.
>
>
>
>
>
>
