[Tinyos-help] How to see the effect of a topology change in TOSSIM?
I want to analyze the impact of topology changes on the performance of my simulated network. Having to set-up the noise every time I start a simulation, I'm not sure if any conclusion I could draw from my experiment would be caused by the change of topology or by a different noise trace. What can I do? The first things I've thought of are disabling the noise or using the same noise trace for all my experiments, but i doubt that i can do those things. Any other suggestions? Thank you for your time and help, Greetings, Paolo. ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
[Tinyos-help] MultihopOscilloscope application issues: no sendDone, readings all equal
Hi everybody. I am using TOSSIM for the simulation of a network of 16 motes running the MultihopOscilloscope application (every mote sends a message every 5 readings), and sendDone isn't being called by nodes different than the root (that is, the node 0). I've already read the archives, and I think that my launch script fits the advices already given. These are my files: This is my test.py <http://pastebin.com/f624a7d3> (meyer-heavy-3000.txt contains the first 3000 lines of meyer-heavy.txt;), this is my topo.txt<http://pastebin.com/f3266371a>and this is the output <http://pastebin.com/f5b333f60> of the simulation. Is there any way I can debug my application? I've also tried enabling "TossimPacketModelC" output, but i don't quite understand it. I continuously get this sequence of messages: DEBUG (x): PACKET: Signaling send done at 93724670573. DEBUG (x): PACKET: Broadcasting packet to everyone. DEBUG (x): PACKET: Send done at 93788299409. DEBUG (x): PACKET: Signaling send done at 93788299409. Even if there is sending going on in my application. Last question: why are all the readings equal to 48879? Am i making another mistake? Thank you in advance for your time and your help, Regards, Paolo. ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
Re: [Tinyos-help] TOSSIM input file
Hi, i'm a new user of the mailing list. I'm starting to use TOSSIM, i've
read the docs and searched the ML but I'm not sure about
the "gain" value passed to TOSSIM in the input file format:
gain src dest g
For example, let's say I have a network topology, and i want to calculate
the gains to be fed into TOSSIM by means of an external program (say,
Octave). I want to give TOSSIM the gains according to Free-Space
propagation, that is:
P_t * G_t * G_r *
\lambda^2
P_{received}(d) =
---
(4*\pi )^2 * d^2 *
L
which, in dB, becomes:
P_{received}(d)_dB = P_{t,dB} + G_{t,dB} + G_{r,dB} + 20*log10(lambda) -
20*log10(4*\pi) - 20*log10(d) +
20*log10(L)
What am i supposed to use in the calculation in Octave? Am I supposed to
feed TOSSIM the result of the whole formula? Or does it, for example,
calculates internally (P_{t,dB} + G_{t,dB} + G_{r,dB}) and i just need to
feed it this number (20*log10(lambda) - 20*log10(4*\pi) - 20*log10(d) +
20*log10(L))?
Thank you for your help,
Regards,
Paolo.
2008/12/27 Paolo
> Hi, i'm a new user of the mailing list. I'm starting to use TOSSIM, i've
> read the docs and searched the ML but I'm not sure about
> the "gain" value passed to TOSSIM in the input file format:
>
> gain src dest g
>
> For example, let's say I have a network topology, and i want to calculate
> the gains to be fed into TOSSIM by means of an external program (say,
> Ocatave). I want to give TOSSIM the gains according to Free-Space
> propagation, that is:
>
> P_t * G_t * G_r
> P_{received}(d) = ---
> (4 )2d2L
>
>
>
>
>
>
>
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[Tinyos-help] TOSSIM input file
Hi, i'm a new user of the mailing list. I'm starting to use TOSSIM, i've
read the docs and searched the ML but I'm not sure about
the "gain" value passed to TOSSIM in the input file format:
gain src dest g
For example, let's say I have a network topology, and i want to calculate
the gains to be fed into TOSSIM by means of an external program (say,
Ocatave). I want to give TOSSIM the gains according to Free-Space
propagation, that is:
P_t * G_t * G_r
P_{received}(d) = ---
(4)2d2L
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[Tinyos-help] About SFD in cc2420 transmitP
Hi, in async event void BackoffTimer.fired() of CC2420 TransmitP: case S_SFD: /* We didn't receive an SFD interrupt within CC2420_ABORT_PERIOD jiffies. Assume something is wrong. The SFD pin goes high when the SFD field has been completely transmitted. It goes low again when the complete MPDU (as defined by the length field) has been transmitted or if an underflow is detected.*/ call SFLUSHTX.strobe(); call CaptureSFD.captureRisingEdge(); releaseSpiResource(); signalDone( ERETRY ); break; When the call SFLUSHTX.strobe() is (really) run (what is the error that causes the flush) ? "We didn't receive an SFD interrupt within CC2420_ABORT_PERIOD jiffies. Assume something is wrong".what ? ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
[Tinyos-help] new version of Printf: problem
While a compilation with printf library i receive this error: In file included from /opt/tinyos-2.x/tos/lib/printf/PrintfC.nc:56, from /opt/tinyos-2.x/tos/lib/printf/MainC.nc:51, from TestAcksC.nc:47: In component `PrintfP': /opt/tinyos-2.x/tos/lib/printf/PrintfP.nc:84: unknown attribute `safe' /opt/tinyos-2.x/tos/lib/printf/PrintfP.nc:84: empty scalar initializer /opt/tinyos-2.x/tos/lib/printf/PrintfP.nc:84: (near initialization for [EMAIL PROTECTED]') /opt/tinyos-2.x/tos/lib/printf/PrintfP.nc: In function `sendNext': /opt/tinyos-2.x/tos/lib/printf/PrintfP.nc:134: warning: passing argument 2 of `Packet.getPayload' makes pointer from integer without a cast make: *** [exe0] Error 1 where is the problem ??? pl ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
[Tinyos-help] telosb: reset all
Hi, I have started to play with deluge and run very well. But now i have a question: there is a way by deluge or tos-bsl to reset the telosb device (erase all slot, erase the partition's flash) ? I saw that next a new installation (with tos-bsl/mass erase), the device restart it again with deluge golden image. thanks. Paolo ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
[Tinyos-help] telosb: reset all
Hi, I have started to play with deluge and run very well. But now i have a question: there is a way by deluge or tos-bsl to reset the telosb device (erase all slot, erase the partition's flash) ? I saw that next a new installation (with tos-bsl/mass erase), the device restart it again with deluge golden image. thanks. Paolo ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
[Tinyos-help] micaz programmer
Hi, there is a programmer written in python for mica family motes ? Thanks. Paolo ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
[Tinyos-help] Deluge T1 and Deluge T2: difference
Hello, the first step in deluge T1 was set the TINYOS NP environment variable to BNP (TINYOS_NP = BNP). In deluge T2 It is no now necessary ? The inject operation in deluge T1 used IHEX image while deluge T2 use a tos_image.xml: why ? Other important difference ? Paolo L. ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
Re: [Tinyos-help] About TXFIFO.writeDone
Explaining better... the error_t == FAIL When can occur (What could have happened in FIFO) ? Paolo wrote: Hello A question about TXFIFO.writedone provided by CC2420TransmitP. async event void TXFIFO.writeDone( uint8_t* tx_buf, uint8_t tx_len, error_t error ) What values can take the error_t variable ? Thanks ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
[Tinyos-help] About TXFIFO.writeDone
Hello A question about TXFIFO.writedone provided by CC2420TransmitP. async event void TXFIFO.writeDone( uint8_t* tx_buf, uint8_t tx_len, error_t error ) What values can take the error_t variable ? Thanks ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
Re: [Tinyos-help] how to determine SACK packet
Thanks David another question: the SACK_HEADER_LENGTH variables is set to 7 byte, Why ? FCF (2B) + DSN(1B) + FCS (2B) = 5B ??? David Moss wrote: The FCF word contains a few bits that indicate the type of frame is an acknowledgment frame. It is possible to receive a 5-byte packet that is not an ack frame but simply noise, where the CRC passes. If the FCF word of a packet is an acknowledgment type, and the length is 5 bytes, then you probably have yourself a real acknowledgment frame. Refer to the CC2420 datasheet for more details. -David From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of Paolo Sent: Thursday, May 15, 2008 1:32 AM To: tinyos-help@millennium.berkeley.edu Subject: [Tinyos-help] how to determine SACK packet Hello, How i can determine if a packet in RX fifo is a SACK packet ? If the cc2420_header_t->length is 5 bytes (2B FCF + 1B DSN + 2B FCS) i can say that is a SACK packet ? Thanks. ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
Re: [Tinyos-help] About CC2420Receive
ERRATA CORRIGE:
When this case (else code) occurs (practically/physically)?
else
{
// Length == 0; start reading the next packet
atomic receivingPacket = FALSE;
call CSN.set();
call SpiResource.release();
waitForNextPacket();
}
Sorry
Paolo wrote:
Hello,
Some questions about CC2420ReceiveP
the m_missed_packets variable is a REAL number of
packets we missed because we were doing something else ?
When this case (else code) occurs
(practically/physically)?
else
{
// Length is too large; we have to flush the entire Rx
FIFO
flush();
m_overflow_packets++; //lost packets for length >
40 Bytes
}
thanks Paolo.
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[Tinyos-help] About CC2420Receive
Hello,
Some questions about CC2420ReceiveP
the m_missed_packets variable is a REAL number of
packets we missed because we were doing something else ?
When this case (else code) occurs (practically/physically)?
else
{
// Length is too large; we have to flush the entire Rx
FIFO
flush();
m_overflow_packets++; //lost packets for length >
40 Bytes
}
thanks Paolo.
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[Tinyos-help] how to determine SACK packet
Hello, How i can determine if a packet in RX fifo is a SACK packet ? If the cc2420_header_t->length is 5 bytes (2B FCF + 1B DSN + 2B FCS) i can say that is a SACK packet ? Thanks. ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
[Tinyos-help] List in nesc
Hello, a list of items in nesc is equal to a list of element in C ? An example is very appreciated! Thanks Paolo ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
[Tinyos-help] about send interface and address in cc2420
Hello, Tinyos 2.0 and telosb platfrom. When i send a packet by Send interface (not AMSend), the dest field of the cc2420_header_t is FF, while the src is node's id (both in the payload): its rigth ? Now, what address informations will append the chip cc24240 (via HW) ? Thanks. Paolo. ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
[Tinyos-help] about cc2420 addressing
Hello, When i send a packet by Send interface, the dest field of the cc2420_header_t is FF, while the src is 00 (both in the payload). Now CC2420 append (via HW) the address information (two fields: the destination MAC address and the source MAC address): its rigth ? When i send a packet by AMSend interface the dest field of cc2420_header_t is the destination mote id's, while the src filed is the source mote id's. Now CC2420 append (via HW) the address information (two fields: the destination MAC address and the source MAC address): its rigth ? At this point, how can I use the Addrress information (MAC of source mote, MAC of destination mote) for address recognition ? P.L. ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
Re: [Tinyos-help] CC2420 behaviour regarding CRC error
Hi Damien and thanks,
If the value is 0 then it just waits for the next packet overwriting the
original once it arrives.
There is no event launched at the top
layer ?
Suppose that I should copy the wrong message (with CRC=0) before the
next arrival. I have to
capture the event RXFIFO.readDone(uint8_t* rx_buf, uint8_t rx_len,
error_t error ) and make a copy of the message: its right ?
thanks
Damien O'Rourke wrote:
In CC2420ReceiveP you will find the following comment and code:
// pass packet up if crc is good
if ( ( buf[ length ] >> 7 ) && rx_buf ) {
uint8_t type = ( header->fcf >> IEEE154_FCF_FRAME_TYPE ) & 7;
signal CC2420Receive.receive( type, m_p_rx_buf );
if ( type == IEEE154_TYPE_DATA ) {
post receiveDone_task();
return;
}
}
waitForNextPacket();
(buf[length] >> 7) is the 1 or 0 from the CRC test.
If the value is 0 then it just waits for the next packet overwriting the
original once it arrives. If it is a 1 and the data type is of the format
IEEE154_TYPE_DATA then it posts a receiveDone_task which signals upper
layers:
m_p_rx_buf = signal Receive.receive( m_p_rx_buf, m_p_rx_buf->data,
length );
The code "signal CC2420Receive.receive( type, m_p_rx_buf );" is for
acknowledgements and the event for this is defined in CC2420TransmitP.
Regards,
Damien.
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Paolo
Sent: 07 May 2008 11:37
To: tinyos-help@millennium.berkeley.edu
Subject: [Tinyos-help] CC2420 behaviour regarding CRC error
when the cc2420 radio receives a packet, it checks whether the CRC bytes
in the packet are correct or not (via HW). and then it replaces the two
CRC bytes at the
end of the packet with RSSI information and some correlation values, and
only
one bit to tell whether the recieved packet had valid CRC or not.
At this point my question is: if the bit of CRC is 0 (CRC-Error) which
is the behaviour of the radio stack ?
is launched an event ? which module launch/catch the event ? the message
is deleted from RX queue immediatly ?
thanks
Paolo.
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[Tinyos-help] CC2420 behaviour regarding CRC error
when the cc2420 radio receives a packet, it checks whether the CRC bytes in the packet are correct or not (via HW). and then it replaces the two CRC bytes at the end of the packet with RSSI information and some correlation values, and only one bit to tell whether the recieved packet had valid CRC or not. At this point my question is: if the bit of CRC is 0 (CRC-Error) which is the behaviour of the radio stack ? is launched an event ? which module launch/catch the event ? the message is deleted from RX queue immediatly ? thanks Paolo. ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
[Tinyos-help] Noise in the absence of incoming packet.
Hello, I would like measure the signal strength in the absence of the incoming packets (ambient Noise and Source interference). While Reading from various post i understand that it is sufficient the sampling the RSSI register: is it correct ? If is correct why does http://www.moteiv.com/community/Reading_RSSI_values_from_Tmote_Sky reccomend this ? When a Tmote Sky receives a packet, it stores the signal strength of the incoming packet in the TOS_Msg structure. It is also possible to read the signal strength in the absence of the incoming packets. Such functionality is useful for estimating the noise floor of a particular channel and locating sources of interference such as 802.11 networks and microwave ovens. The default radio stack does not include such functionality; this document includes instructions for how to incorporate the needed functionality into the radio stack. You will need to modify two files CC2420ControlM.nc and CC2420RadioC.nc. thank you very much Paolo Latella website: www.halos.it ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
Re: [Tinyos-help] Different values of RSSI when reading strengh field in the TOSMsg and reading the RSSI_VAL!
why does http://www.moteiv.com/community/Reading_RSSI_values_from_Tmote_Sky reccomend this ? When a Tmote Sky receives a packet, it stores the signal strength of the incoming packet in the TOS_Msg structure. It is also possible to read the signal strength in the absence of the incoming packets. Such functionality is useful for estimating the noise floor of a particular channel and locating sources of interference such as 802.11 networks and microwave ovens. The default radio stack does not include such functionality; this document includes instructions for how to incorporate the needed functionality into the radio stack. I would like to measure a noise floor (SNR when not send/receive messages) with telosb motes and tinyos 2.x. Thank you Paolo Latella ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
[Tinyos-help] error in serialjava.py
hello everybody, i building a java application that send/receive data at mote by serialjava.py During the compilation the Eclipse return this error Exception in thread "main" Traceback (innermost last): File "/home/maverick/prova/mycomm.py", line 0, in main File "/usr/lib/tinyos/serial/__init__.py", line 17, in ? File "/usr/lib/tinyos/serial/serialjava.py", line 9, in ? ImportError: no module named comm Note that javax.comm package is regular imported !!! PS: any script python is convert in java class with Jython (ex string.py) Help me, thanks ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
[Tinyos-help] difference tos-bsl, msp430-bs, pybsl
What is the difference between tos-bsl, msp430-bsl, e pybsl ? thanks. Paolo ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
[Tinyos-help] help: find emulator or debugger nesc code tmote sky
Hi, I'm Paolo Tironi, I'm studying at university of Milan. I 'm making my thesis on secure comunication in sensor network and I'm using tmote sky sensor. I have some problem about my code and i need a debugger. I wanted to use TOSSIM but looking file "Makerules" I've seen the tmote are not a supported platform. I hope someone can tell me another way to debug my nesc code using tmote sky platform. Thanks. Best regards Paolo Tironi ___ Tinyos-help mailing list Tinyos-help@Millennium.Berkeley.EDU https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
Re: [Tinyos-help] Cycle detection in multihoplqi (surge) for tinyos-1.x
Hi guys, Thanks for the replies. I agree with you on the fact that the routing tables are correct, i.e. * the end-to-end link quality embeds the concept of distance * routes have a cost that monotonically decreases as the packet moves towards the base station. Nevertheless, the implementation of RouteSelect.selectRoute(..) still doesn't fully convince me: shouldn't we check that the packet is actually decreasing the cost while it is being forwarded? Both MintRoute and the old routing algorithm (tos/lib/Route) included this check. We know that routes have a cost that decreases when the packet gets closer to the sink, but routes can change while a packet is already being forwarded, and there is no relation (I guess) between the cost of different routes for different time instants. For example, consider the following: * suppose that node n0 sends a packet through the path p0 = n1.n2...nx... with minimum cost * suppose that there is a route update while the packet is being forwarded, and that node nx decides to change parent and selects a new route with minimum cost px = ny.nz Although we know that px has a decreasing cost, we are missing the relation with the previous path p0, and the new path px may include some nodes of path p0, as well. What do you think about this? Thanks, Paolo 2007/9/10, Philip Levis <[EMAIL PROTECTED]>: > On Sep 10, 2007, at 5:40 AM, Paolo Masci wrote: > > > Hi, > > > > I was giving a look to the multihop routing > > algorithm implemented in tos/lib/MultiHopLQI. > > I have noticed that nodes select their parent > > evaluating the end-to-end link quality > > of the path to the base station. > > > > In order to avoid cycles, shouldn't they select > > their parent evaluating also the distance from > > the base station? Without the check on the distance, > > there is no guarantee that the packet gets closer > > to the base station: isn't there the risk of cycles? > > (for example, I guess it may happen in scenarios > > with long paths and with link quality that frequently > > changes) > > No. It expects route cost to monotonically decrease. Take a look at > the logic which checks if a received packet is from a node with a > lower cost. That implies there might be a cycle. > > Phil > > ___ Tinyos-help mailing list Tinyos-help@Millennium.Berkeley.EDU https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
[Tinyos-help] Cycle detection in multihoplqi (surge) for tinyos-1.x
Hi, I was giving a look to the multihop routing algorithm implemented in tos/lib/MultiHopLQI. I have noticed that nodes select their parent evaluating the end-to-end link quality of the path to the base station. In order to avoid cycles, shouldn't they select their parent evaluating also the distance from the base station? Without the check on the distance, there is no guarantee that the packet gets closer to the base station: isn't there the risk of cycles? (for example, I guess it may happen in scenarios with long paths and with link quality that frequently changes) The developers of this library, besides checking the address of the node that originates the packet, included also a check on the history of packets seen by the node, but this guarantees no cycles only for paths whose length is less or equal to the history size. Did anyone else notice this? Am I missing something? Regards, Paolo ___ Tinyos-help mailing list Tinyos-help@Millennium.Berkeley.EDU https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
[Tinyos-help] How I can use Quad Detection?
Hi all, I found out exscal project uses msp410CA. I succeded in compiling an application using xsm as platform and sensorboard. But I am not able to use quad detection. How I can integrate this functionality? please help me!!! ___ Tinyos-help mailing list Tinyos-help@Millennium.Berkeley.EDU https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
[Tinyos-help] How can I write applications for MSP410?
Hi all,My question is simple: where can I find source files to write applications for my new MSP410-SYSCA ?What is its platform? What is its sensorboard? I tried using exscal, Vigilnet and nestfe but none of them seem to work properly !!! devices are programmed with xmsp410.exe from MoteView but it is the only program with no source!! Why?please help me Paolo ___ Tinyos-help mailing list Tinyos-help@Millennium.Berkeley.EDU https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
[Tinyos-help] msp410
Hi all, I am trying to study msp410CA software but I cannot find any source files!!! Can someone help me? I need to use PIR sensors and Quad detection sensor but I have no idea where to find source files. please help me. Thanks in advance Paolo Ascione ___ Tinyos-help mailing list Tinyos-help@Millennium.Berkeley.EDU https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
[Tinyos-help] surge_reliable
Hi all.
I'm using surge_reliable application on my Mote. I would want to understand the
following piece of code:
event result_t TempTimer.fired() {
call Temp.getData();
}
async event result_t Temp.dataReady(uint16_t data) {
if(gTemp == 0){
gTemp = 1;
call Temp.getData();
return SUCCESS;
}
gTemp = data >> 2;
call TempStdControl.stop();
call AccelX.getData();
return SUCCESS;
Someone can give some explanation to me?
thanks for every support.
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[Tinyos-help] surge_reliable
Hi all.
I'm using surge_reliable application on my Mote. I would want to understand the
following piece of code:
__
event result_t TempTimer.fired() {
call Temp.getData();
}
async event result_t Temp.dataReady(uint16_t data) {
if(gTemp == 0){
gTemp = 1;
call Temp.getData();
return SUCCESS;
}
gTemp = data >> 2;
call TempStdControl.stop();
call AccelX.getData();
return SUCCESS;
__
Someone can give some explanation to me?
thanks for every support.
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[Tinyos-help] modify surge_reliable
Hi all. I have two questions: a) I would want to modify the Surge_Reliable application in order to signal with the red LED that the temperature is under one determined threshold . How can I do? b) I would want to Know because accel_x and accel_y reading are between -2.5 to 2 g. Are normal values? Note that my motes are static. Thanks. ___ Tinyos-help mailing list Tinyos-help@Millennium.Berkeley.EDU https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
[Tinyos-help] to modify surge_reliable
Hi all. I have two questions: a) I would want to modify the Surge_Reliable application in order to signal with the red LED that the temperature is under one determined threshold . How can I do? b) I would want to Know because accel_x and accel_y reading are between -2.5 to 2 g. Are normal values? Note that my motes are static. Thanks. ___ Tinyos-help mailing list Tinyos-help@Millennium.Berkeley.EDU https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
[Tinyos-help] create two timer
Hi, I would want to know how I can modify the Blink application in order to creat two timer therefor the red led toggle every 500ms and green led toggle every 1500ms. Thanks ___ Tinyos-help mailing list Tinyos-help@Millennium.Berkeley.EDU https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
[Tinyos-help] run tinyviz
Hi, I have tried to run a simulation with tinyviz, but I get the following error: connection to simulator failed. How can I do? Thanks ___ Tinyos-help mailing list Tinyos-help@Millennium.Berkeley.EDU https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
