Hi Angré, Yes, all i want is to have output 0 or 1 on pin 10. If i clearly understood, port 6.3 is pin 10 (ADC3) of expansion connector U2?
Kind Regards 2012/2/29 André Rodrigues <[email protected]> > ** > Hi > > If all you want is to output 0 or 1 on pin 10, I would say that you just > have to use port 6.3. In that case you do not neet to use any resistors. > > But Eric could confirm (or not) my opinion. > > Next, study one of the available device drivers to learn how to select the > port for IO and how to set/clr the bit. > > Regards, > > André > > > ----- Original Message ----- > *From:* Mubashir Rehmani <[email protected]> > *To:* Eric Decker <[email protected]> > *Cc:* [email protected] > *Sent:* Wednesday, February 29, 2012 9:23 AM > *Subject:* Re: [Tinyos-help] ADC port > > Thanks Eric for your answer. > > In fact, in the telosb motive data sheet, > > http://moss.csc.ncsu.edu/~mueller/rt/rt11/readings/projects/g4/datasheet.pdf > It is written on page 24 that *"If expansion pin 10 (ADC3) is used for > digital I/O instead of analog inputs, R14 must be populated with a 0 ohm > resistor to enable the pin for digital I/O (GIO0) on the microcontroller. > R16 must be populated with a 0 ohm resistor to enable GIO1. R14 and R16 > are located on the top side of Telos between the USB controller and the > radio."* > > So, what i want to do is that i want to use the expansion pin 10 (ADC3) > and control the I/O signals through tinyos. More precisely, i want to > attach an electronic switch, which enables or disable an external device > (antenna) with the signal i provide it to this expansion pin 10 (ADC3). Do > you have any idea how to achieve this? > > Kind Regards > > On 29 February 2012 10:16, Eric Decker <[email protected]> wrote: > >> >> >> On Tue, Feb 28, 2012 at 11:58 PM, Mubashir Rehmani <[email protected] >> > wrote: >> >>> Dear All, >>> >>> I want to control the I/O of the 10-pin extension connector of (U2) of >>> the Telosb mote. In fact, i want to use ADC3 and control its power level in >>> order to connect the digital switch with it. Can anyone tell me how i can >>> control the voltage level of this ADC3 from the tinyos code? >>> >> >> you aren't understanding how this ADC stuff really works...... >> >> ADC3 is an input to the ADC subsystem so it is nonsensical to talk about >> controlling the voltage level from the tinyos code. >> >> I suggest that you read the TI msp430f1611 manual in conjunction with the >> moteiv telosb schematic to understand what hardware is provided and how it >> works. >> >>> >>> Please refer the pin diagram of the datasheet (page 23) >>> >>> http://moss.csc.ncsu.edu/~mueller/rt/rt11/readings/projects/g4/datasheet.pdf >>> >>> Kind Regards >>> >>> -- >>> Mubashir Husain Rehmani >>> >>> >>> >>> _______________________________________________ >>> Tinyos-help mailing list >>> [email protected] >>> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help >>> >> >> >> >> -- >> Eric B. Decker >> Senior (over 50 :-) Researcher >> >> >> > > > -- > Mubashir Husain Rehmani > > > ------------------------------ > > _______________________________________________ > Tinyos-help mailing list > [email protected] > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help > > -- Mubashir Husain Rehmani
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