2012/2/29 Mubashir Rehmani <[email protected]> > 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? >
Should be. You will have to program Port 6.3 to be digital I/O rather than connect it to the ADC subsystem. P6SEL. You should study the pin schematic but it looks like to me that if you want digital i/o you want P6.3SEL set to a 1. The schematic and description you were quoting before was from a tote sky which while very close to a telosb does have some differences. Also from what I have seen there is a 2004 and a 2005 version of the TelosB. The 2005 version doesn't have the resistor placement nor the connections to GIOn. Which adds to the confusion. > > 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 > > > -- Eric B. Decker Senior (over 50 :-) Researcher
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