Hello all,
I have a question regarding the usage of Mica2 motes with the
Stargate platform. I just can't make them work correctly. After diggin'
around the TinyOS examples (some of which work and other don't), I found
the MicaHWVerify app and decided to try it. I compile the application as
usual with:
PFLAGS=-DCC1K_DEF_FREQ=916700000 make mica2
and the main.srec file is generated. I copy it through SCP to the
Stargate, where I login and program the mote, with:
uisp -dprog=sggpio -dpart=ATmega127 --wr_fuse_h=d9 --wr_fuse_e=ff
--erase --upload if=MicaHWVerify.srec
The output looks fine:
Atmel AVR ATmega128 is found.
Erasing device ...
Reinitializing device
Atmel AVR ATmega128 is found.
Uploading: flash
Fuse High Byte set to 0xd9
Fuse Extended Byte set to 0xff
Here is where the first problem is found. The documentation says that
the mote LEDs should start blinking like a binary counter, but they
don't (http://www.tinyos.net/tinyos-1.x/doc/tutorial/verifyhw.html).
However, the image was correctly transferred to the Stargate. Indeed, if
I remove the mote from the Stargate, the LEDs start blinking.
I proceed assuming that things could be right. Hence, I compile the java
application associated with the hardware test, by issuing the following
command on the PC:
make -f jmakefile
which completes succesfully. I copy with SCP the corresponding classes
to the Stargate and then execute the hardware_verify java class on it
(BTW I am using IBM's J9 with the RXTX JavaComm API drivers):
stargate:/opt# MOTECOM=serial@/dev/ttyS2:mica2 jre hardware_check
Hardware check started
serial@/dev/ttyS2:57600: resynchronising
4Mbit flash check failed 255 255 255
That is not a good sign. Furthermore, I restart the Stargate and execute
the test again, and get the 'Node transmision failure message':
stargate:/opt# MOTECOM=serial@/dev/ttyS2:mica2 jre hardware_check
Hardware check started
RXTX Warning: Removing stale lock file. /var/lock/LCK..ttyS2
serial@/dev/ttyS2:57600: resynchronising
Node transmission failure
...
As I said initially, other mote applications work, like ExchangeRSSI or
CntToLedsAndRfm/RfmToLeds, but not those where the Stargate is involved,
like TOSBase, GenericBase, TransparentBase. However, Oscilloscope _does_
work! This is strange, could somebody give me a hint on TinyOS versions
used with the Stargate and the Mica2s, known errors, etc.? Does somebody
think that the hardware is malfunctioning and should be returned to
Crossbow? Thanks in advance
Pablo Guerrero
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