The VoltageC component is what you need. Janos On Wed, Mar 18, 2009 at 4:44 PM, Mohamed H. Seddik <[email protected]> wrote: > TinyOS 2.1 > > Mohamed > > --- On Wed, 3/18/09, Janos Sallai <[email protected]> wrote: > > From: Janos Sallai <[email protected]> > Subject: Re: [Tinyos-help] Fw: Battery Voltage measurement > To: "Mohamed H. Seddik" <[email protected]>, > "[email protected]" <[email protected]> > Date: Wednesday, March 18, 2009, 11:25 PM > > What tinyos version do you have? Moteworks or TinyOS 2.1? > > Janos > > 2009/3/18 Mohamed H. Seddik <[email protected]>: >> >> >> Thanks & Have a Nice Day >> >> Mohamed >> >> --- On Wed, 3/18/09, Mohamed H. Seddik <[email protected]> wrote: >> >> From: Mohamed H. Seddik <[email protected]> >> Subject: Battery Voltage measurement >> To: [email protected] >> Date: Wednesday, March 18, 2009, 1:47 AM >> >> how to use This " >> TinyOS component VoltageM.nc can be wired into an application to provide >> this measurement capability. The reserved keyword TOS_ADC_VOLTAGE_PORT is >> mapped to ADC Channel 30" >> how to get access to the channels and do whatever this say >> >> How can I do the following steps, >> >> According to "MPR-MIB Users Manual": >> "To compute the battery voltage: >> 1. Set the BAT_MON processor pin (PA5/AD5) to HI. >> 2. Program the application code to measure ADC Channel 7. >> 3. Compute battery voltage, Vbatt, from Channel 7s data by: >> Vbatt = Vref × ADC _ FS ADC _ Count >> where: >> Vbatt = Battery voltage >> ADC_FS = 1024 >> Vref = External voltage reference = 1.223 V >> ADC_Count = Data from the ADC measurement of Channel 7" >> >> Thanks & Have a Nice Day >> >> Mohamed >> >> >> _______________________________________________ >> Tinyos-help mailing list >> [email protected] >> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help >> > >
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