Hi all,
I am using BlockStorageC in an application, which was working fine until
I add Deluge support. The flash IC is AT45DB041. My volumes in the
application fail to mount after Deluge's loadImages() is called.
ACL_VOLUME_ID_0 and ACL_VOLUME_ID_1 are defined as unique("StorageManager")
The w
You can connect the GIO pin to a transistor to switch the sensors power
supply on and off. Or you can connect the ground of the device to the
GIO pin, and sink the pin to turn it on. If you put the pin in high
impedance mode, the sensor will turn off (this is achieved by making the
GIO pin an
Hi,
Does anyone know how to compile TOSBoot? The Makefile in
tos/lib/Deluge/TOSBoot doesn't work .. is it supposed to be invoked from
another directory?
Cheers,
Matt
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Is your timeToTake variable an unsigned type?
Cheers,
Matt
Sangwon Hyun wrote:
Hello,
I am trying to measure the execution time of a command that I
implemented. For this measurement, I am using SysTimeC.SysTime
interface. The part of my code for this measurement is as follows.
I have only had a max distance of 100 feet outdoor line of sight :(
-Matt
Chang Li wrote:
What is the maximum distance between two motes who can communicate
outside by your chip antenna?
Hi,
Does anyone know the dBi gain of the PCB antenna on the tmote sky
modules?? We have layed out a bo
I use the SplitControl interface to start/stop the radio (CC2420), and
it works great with timers. I start the timers from the stopDone()
event. Packets are sent from tasks posted from startDone().
Cheers,
Matt
[EMAIL PROTECTED] wrote:
Hey All,
Having much trouble configuring a timer to w
Hi,
Does anyone know the dBi gain of the PCB antenna on the tmote sky
modules?? We have layed out a board with fractus 1dBi gain antennas,
and we're not getting close to the range of the tmote antennas. Trying
to figure out if this is due to lack of gain, or other
design/manufacturing issue
I have had the same problem, and have never found a resolution. One
workaround I have been using is to set a breakpoint that is hit with
the User button to break into the debugger. At least you can set
additional breakpoints and continue, however it would be nice to break
current execution :)
es as well.
Cheers,
Matt Thompson
Paul David Kavan wrote:
Hello all:
I am working on a project to communicate from a TelosB mote to a PC
using the TransparentBase program via Bluetooth. I would like to use
the 10-pin IDC header (U2)--pins 2 and 4 to accomplish this. Before I
proceed too far
I have the same problem under Linux, but unfortunately I have not found
a workaround. I have added a breakpoint to a User Button event,
allowing me to enter the debugger with the button, but that doesn't
really help, other than to view memory.
Cheers,
Matt Thompson
andrea labo wrote
sting a task within an async event, and moving your processing to the
task will resume sync operation.
Cheers,
Matt Thompson
[EMAIL PROTECTED] wrote:
hi,
For some events and commands async are used, I m not getting in which
situations async keyword should be used. I hope that it is the ca
smart enough to avoid the mote
channel, but the mote is not smart enough to avoid the cordless phone? :)
>From the CC2420 Datasheet, page 58 section 34.1 "With CC2420 it is also
possible to combine both DSSS and FHSS in a proprietary non-IEEE
802.15.4 system."
Cheers,
Matt Thompson
wireless
video senders, although I have not yet tried all channels. I can avoid
the cordless phone interference by using channel 26 on the motes, but
this is not a permanent solution.
It seems the only way to resolve this would be to implement FHSS
(Frequency Hopping). Is this correct?
Cheers,
Matt
length parameter passed to SendMsg.send( ) and not
> fixed 29 bytes. However, if we always have packets with payload larger
> than 29 bytes to send, it is necessary to increase the payload size.
>
> Regards,
> Vinai.
>
> Matt Thompson wrote:
>
>> I know with the CC2
I know with the CC2420 radio, the payload size you select does not
affect how many bytes are actually transmitted over RF. I'm not sure
about the CC1000 though.
I use a payload size of 90, but if I send 4 bytes of payload, only
MSG_HEADER_SIZE + MSG_FOOTER_SIZE (FCF) + payload len bytes are trans
oops in
pieces. You should avoid the temptation to break the system model
(short tasks) even if you can get it to work in a particular case.
The reason is that the rest of the system is built on top of that
assumption and you risk causing unintended side effects.
- Prabal
On 2/6/06, Matt Thomps
s to complete.
Cory
On 2/5/06, Matt Thompson <[EMAIL PROTECTED]> wrote:
Hi,
It appears that TimerC is filling the task queue while a long task is
running (ie Elliptic Curve DSA signature verification). After the ECDSA
task completes, the telosb is unable to process any mo
Hi,
It appears that TimerC is filling the task queue while a long task is
running (ie Elliptic Curve DSA signature verification). After the ECDSA
task completes, the telosb is unable to process any more tasks. Is
there a way to stop the timer from posting tasks before a long operation
is started
Hi,
unique() only returns a unique value when the strings in parenthesis are
identical, therefore you should use the same unique string for each timer.
You are trying to wire the timers to the same interface (NetTimer)
Try:
TOSBaseM.NetTimer-> TimerC.Timer[unique("NetTimer")];
TOSBaseM.DelayTim
Hi,
I am working on CC2420 encryption on a tmote sky, and I am having issues
writing to the chipcon RAM.
To test the RAM, I have added wrappers in the CC2420Control interface
that call HPLChipconRAM.write/read. I have included CC2420RadioC in an
application, and wired an interface called RadioCo
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