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s3lsensor / snowfort

SnowFort: An open source wireless sensor network for infrastructure and environmental monitoring
http://www.snowfort.org
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mote stops transmission after a long period of operation #63

Closed yzliao closed 8 years ago

yzliao commented 10 years ago

The mote stops transmission after a long period of operation. It seems that the mote is still operating but stops transmission. When we connect the mote with USB, it resumes transmission. Suspecting that the mote turns to a sleep mode (app layer) automatically.

yzliao commented 10 years ago

suspicion: the mote's clock runs with drift. The print message does not follow the correct order: e.g.

TDMA RDC: SN sends 206
SN 3,8128,8128,8128,16256,16128,16000,1968
TDMA RDC: SN goes into listen mode
0,85,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,162,198,
TDMA RDC: SN sends 207
SN 3,7744,7616,7424,14592,14080,13696,1648
TDMA RDC: SN goes into listen mode
0,86,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,162,6,
TDMA RDC: SN sends 208
SN 3,6336,6080,5760,10880,10240,9600,1104
TDMA RDC: SN goes into listen mode
0,87,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,162,70,
TDMA RDC: SN sends 209
SN 3,4032,3712,3328,5760,4992,4224,416
TDMA RDC: SN goes into listen mode
0,88,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,162,134,
TDMA RDC: SN sends 210
SN 3,1280,832,384,0,-768,-1664,-320
TDMA RDC: SN goes into listen mode
0,89,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,162,198,
TDMA RDC: SN sends 211

Log:

TDMA RDC: SN goes into listen mode
0,134,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,162,6,
SN 3,1280,1664,2112,4992,5760,6656,928TDMA RDC: SN sends 254

TDMA RDC: SN goes into listen mode
0,135,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,162,70,
SN 3,4032,4416,4800,10240,10880,11520,TDMA RDC: SN sends 255
1520
TDMA RDC: SN goes into listen mode
0,136,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,162,134,
SN 3,6336,6592,6848,14080,14592,14848,TDMA RDC: SN sends 0
1904
TDMA RDC: SN goes into listen mode
0,137,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,162,198,
SN 3,7744,7872,8000,16128,16256,16256,TDMA RDC: SN sends 1
2032
TDMA RDC: SN goes into listen mode
0,138,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,162,6,
SN 3,8128,8128,8064,16000,15744,15488,TDMA RDC: SN sends 2
1904
TDMA RDC: SN goes into listen mode
0,139,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,162,70,
SN 3,7424,7296,7040,13696,13184,12672,TDMA RDC: SN sends 3
1520
TDMA RDC: SN goes into listen mode
0,140,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,162,134,
SN 3,5760,5440,5120,9600,8832,8064,928
TDMA RDC: SN sends 4
TDMA RDC: SN goes into listen mode
0,141,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,162,198,
SN 3,3328,2880,2496,4224,3328,2560,208
TDMA RDC: SN sends 5
TDMA RDC: SN goes into listen mode
0,142,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,162,6,
SN 3,384,0,-384,-1664,-2560,-3328,-528
TDMA RDC: SN sends 6
TDMA RDC: SN goes into listen mode
0,143,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,162,70,
SN 3,-2496,-2880,-3328,-7424,-8064,-8832,TDMA RDC: SN sends 7
-1200
TDMA RDC: SN goes into listen mode
0,144,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,162,134,
SN 3,-5120,-5440,-5760,-12160,-12672,-13184,TDMA RDC: SN sends 8
-1712
TDMA RDC: SN goes into listen mode
0,145,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,162,198,
SN 3,-7040,-7296,-7424,-15232,-15488,-15744,TDMA RDC: SN sends 9
-2000
TDMA RDC: SN goes into listen mode
0,146,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,162,6,
SN 3,-8064,-8128,-8128,-16256,-16256,-16256,TDMA RDC: SN sends 10
-2016
TDMA RDC: SN goes into listen mode
0,147,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,162,70,
SN 3,-8000,-7872,-7744,-15232,-14848,-14592,TDMA RDC: SN sends 11
-1760
TDMA RDC: SN goes into listen mode
0,148,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,162,134,
SN 3,-6848,-6592,-6336,-12160,-11520,-10880,TDMA RDC: SN sends 12
-1280
TDMA RDC: SN goes into listen mode
0,149,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,162,198,
SN 3,-4800,-4416,-4032,-7424,-6656,-5760,-624
yzliao commented 8 years ago

this has not been seen for a while.