[Tinyos-help] ADC&MDA300

[Michael Schippling]

I believe that interface is for the ADCs on the controller chip itself.
The MDA300 has it's own ADC which requires a different driver, that
apparently has not been ported to TOS2. You can find code for it in
the T1 contrib/xbow sensorboards directory. Also search this list
as it has been discussed recently.

MS

Antonio Prados Vilchez wrote:
> 
> Hi TinyOS users!!
> 
> I'm using a MDA300 connected to a MICAz to measure a voltage from a 
> sensor. I want to read from an ADC channel, so I'm using this command:
> 
> call Atm128AdcSingle.getData(ATM128_ADC_SNGL_ADC0, ATM128_ADC_VREF_AVCC, 
> ATM128_ADC_RIGHT_ADJUST, ATM128_ADC_PRESCALE);
> 
> I want to read from channel 0 with Vcc as the reference voltage. 
> However, I always get the same data from the ADC. I've checked the 
> sensor and it works properly, it gives variable voltages to the MDA300.
> 
> Am I using the right command to read from the ADC?
> 
> Thanks in advance
> 
> 
> 
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