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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