Hello Antonio. This TEP can help you, http://www.tinyos.net/tinyos-2.x/doc/html/tep101.html
You have 3 ways to get data from ADCs: interface Read, ReadStream and ReadNow.
I only use the interface Read. In the app module you use the interface Read:
uses interface Read<uint16_t> as Conductividad;
To read the command:
if (call Conductividad.read() != SUCCESS)
call Leds.led2Toggle(); // Mostrar error.
When the data is ready you have it in the event:
event void Conductividad.readDone(error_t result, uint16_t data) {
//call Leds.led0Toggle();
if (result != SUCCESS)
{
data = 0xffff;
call Leds.led2Toggle(); // Mostrar error.
}
LecturaConductividad = data;
LeerConductividad = FALSE;
if(!LeerConductividad & !LeerTemperatura) EnvioDatosPendiente = TRUE;
}
The app configuration:
components new Msp430ADC0C() as ADC0;
...
App.Conductividad -> ADC0;
I add the files that i use to get data from ADCs. In the
Msp430ADC0P you can select the ADC (inch: INPUT_CHANNEL_A0,)and other things.
I hope that help you.
A greeting,
Juan Antonio.
----- Original Message -----
From: antonio gonga
To: TINYOS
Sent: Wednesday, February 06, 2008 3:43 PM
Subject: [Tinyos-help] ADC_MSP430_how
Dear all,
I'm starting now with ADC in TinyOS-2.x. I was browsing TinyOS folders and I
still have problems.
How can I read external sensors connected to my Mote in TinyOS-2.x?.
How can I use "msp430adc12_channel_config_t" if I want to read data from
example ADC0, ADC1, ADC2? The example that I found in
/opt/tinyos-2.x/tos/chips/msp430/adc12/README.txt does not help so much...
thanks in advance.
-Antonio
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