[Tinyos-help] Switching Radio on/off
Hi All! I am working on a WSN for indoor environment monitoring. I want to make every senor should send the sensed data when there is a significant change in it. In order to implement this idea I need to make radio switich on and off time to time in order to do power saving. I just started to use TinyOS 2.0 with Tmote Sky motes. Please help me how can I make the Tmote Sky CC2420 on and off time to time. Regards, -Hassan - Boardwalk for $500? In 2007? Ha! Play Monopoly Here and Now (it's updated for today's economy) at Yahoo! Games.___ Tinyos-help mailing list Tinyos-help@Millennium.Berkeley.EDU https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
[Tinyos-help] Switching radio on/off
Hello everybody, We are working on an outdoor WSN application, which should collect data from one or more motes in the field to a single mote connected to a computer. This mote has no power restrictions (powered via USB connection), however the motes in the field do have power restrictions. Currently the power consumption of these motes is rather high since the radio reciever is always on. Our communication scheme is very simple: after a START command, the field motes start transmitting data at regular interval for a (long) fixed period of time; so after the START command the field motes do not need to receive data from the central mote We already looked into using NetSync or compiling for lowpower, but these mechanisms seem to be rather complex for our approach. Is there an easier way how we can switch off the radio chip between transmissions (on the field motes)? Martin PS: Some extra info: - the mote connected to the PC is running TOSBase and all data is collected using a Java application. - the motes are Tmote Sky, Tmote Mini and Tmote Mini Plus - we use SPReceive and SPSend for communication on the field motes This e-mail and its contents are subject to the DISCLAIMER at http://www.tno.nl/disclaimer/email.html ___ Tinyos-help mailing list Tinyos-help@Millennium.Berkeley.EDU https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
RE: [Tinyos-help] Switching Radio on/off
1. Compile your application with the preprocessor variable LOW_POWER_LISTENING defined to include the low power listening layer in your radio stack: make telosb lpl (if lpl.extra is in your support/make directory) -or- Makefile: component=xyzC CFLAGS += -DLOW_POWER_LISTENING . There's some other ways of doing that too. 2. In your application, wire into CC2420ActiveMessageC's LowPowerListening interface and call LowPowerListening.setLocalSleepInterval(x); where x is the receive check interval in milliseconds (how often your radio wakes up to see if someone's transmitting). 3. When you're sending a message to a low power listener, you need to tell your own radio about it. Before you send a message, call LowPowerListening.setRxSleepInterval(&myMsg, x); where myMsg is the message_t you're about to send, and x is the receiver's receive check interval. -David _ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Hassan Naqvi Sent: Friday, August 17, 2007 2:16 AM To: tinyos-help@Millennium.Berkeley.EDU Subject: [Tinyos-help] Switching Radio on/off Hi All! I am working on a WSN for indoor environment monitoring. I want to make every senor should send the sensed data when there is a significant change in it. In order to implement this idea I need to make radio switich on and off time to time in order to do power saving. I just started to use TinyOS 2.0 with Tmote Sky motes. Please help me how can I make the Tmote Sky CC2420 on and off time to time. Regards, -Hassan _ Boardwalk for $500? In 2007? Ha! Play <http://us.rd.yahoo.com/evt=48223/*http:/get.games.yahoo.com/proddesc?gameke y=monopolyherenow> Monopoly Here and Now (it's updated for today's economy) at Yahoo! Games. ___ Tinyos-help mailing list Tinyos-help@Millennium.Berkeley.EDU https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
Re: [Tinyos-help] Switching Radio on/off
Hello, Any suggestions on doing this on TOSSIM (TinyOS 1.x)? Many thanks, Ittipong On 17/08/07, David Moss <[EMAIL PROTECTED]> wrote: > > >1. Compile your application with the preprocessor variable >LOW_POWER_LISTENING defined to include the low power listening layer in > your >radio stack: > > > > make telosb lpl (if lpl.extra is in your support/make directory) > > > > -or- > > > > Makefile: > > component=xyzC > > CFLAGS += -DLOW_POWER_LISTENING > > … > > > > There's some other ways of doing that too. > > > >1. In your application, wire into CC2420ActiveMessageC's >LowPowerListening interface and call >LowPowerListening.setLocalSleepInterval(x); where x is the receive >check interval in milliseconds (how often your radio wakes up to see if >someone's transmitting). > > > >1. When you're sending a message to a low power listener, you need >to tell your own radio about it. Before you send a message, call >LowPowerListening.setRxSleepInterval(&myMsg, x); where myMsg is the >message_t you're about to send, and x is the receiver's receive check >interval. > > > > -David > > > > > ------ > > *From:* [EMAIL PROTECTED] [mailto: > [EMAIL PROTECTED] *On Behalf Of *Hassan Naqvi > *Sent:* Friday, August 17, 2007 2:16 AM > *To:* tinyos-help@Millennium.Berkeley.EDU > *Subject:* [Tinyos-help] Switching Radio on/off > > > > Hi All! > > > > I am working on a WSN for indoor environment monitoring. I want to make > every senor should send the sensed data when there is a significant change > in it. In order to implement this idea I need to make radio switich on and > off time to time in order to do power saving. > > > > I just started to use TinyOS 2.0 with Tmote Sky motes. Please help me how > can I make the Tmote Sky CC2420 on and off time to time. > > > > Regards, > > > > -Hassan > > > -- > > Boardwalk for $500? In 2007? Ha! > Play Monopoly Here and > Now<http://us.rd.yahoo.com/evt=48223/*http:/get.games.yahoo.com/proddesc?gamekey=monopolyherenow>(it's > updated for today's economy) at Yahoo! Games. > > ___ > Tinyos-help mailing list > Tinyos-help@Millennium.Berkeley.EDU > https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help > ___ Tinyos-help mailing list Tinyos-help@Millennium.Berkeley.EDU https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
RE: [Tinyos-help] Switching Radio on/off
Hi Ittipong - No, I don't think it'll work in TOSSIM, especially in 1.x. LPL was new to 2.x. -David _ From: Ittipong Khemapech [mailto:[EMAIL PROTECTED] Sent: Friday, August 17, 2007 11:36 AM To: David Moss Cc: tinyos-help@millennium.berkeley.edu Subject: Re: [Tinyos-help] Switching Radio on/off Hello, Any suggestions on doing this on TOSSIM (TinyOS 1.x)? Many thanks, Ittipong On 17/08/07, David Moss < [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> > wrote: 1. Compile your application with the preprocessor variable LOW_POWER_LISTENING defined to include the low power listening layer in your radio stack: make telosb lpl (if lpl.extra is in your support/make directory) -or- Makefile: component=xyzC CFLAGS += -DLOW_POWER_LISTENING . There's some other ways of doing that too. 2. In your application, wire into CC2420ActiveMessageC's LowPowerListening interface and call LowPowerListening.setLocalSleepInterval(x); where x is the receive check interval in milliseconds (how often your radio wakes up to see if someone's transmitting). 3. When you're sending a message to a low power listener, you need to tell your own radio about it. Before you send a message, call LowPowerListening.setRxSleepInterval(&myMsg, x); where myMsg is the message_t you're about to send, and x is the receiver's receive check interval. -David _ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Hassan Naqvi Sent: Friday, August 17, 2007 2:16 AM To: tinyos-help@Millennium.Berkeley.EDU Subject: [Tinyos-help] Switching Radio on/off Hi All! I am working on a WSN for indoor environment monitoring. I want to make every senor should send the sensed data when there is a significant change in it. In order to implement this idea I need to make radio switich on and off time to time in order to do power saving. I just started to use TinyOS 2.0 with Tmote Sky motes. Please help me how can I make the Tmote Sky CC2420 on and off time to time. Regards, -Hassan _ Boardwalk for $500? In 2007? Ha! Play Monopoly Here and Now <http://us.rd.yahoo.com/evt=48223/*http:/get.games.yahoo.com/proddesc?gameke y=monopolyherenow> (it's updated for today's economy) at Yahoo! Games. ___ Tinyos-help mailing list Tinyos-help@Millennium.Berkeley.EDU https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help ___ Tinyos-help mailing list Tinyos-help@Millennium.Berkeley.EDU https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
