Hi,
I followed the steps in the first part of Tutorial 4 to try to get
the TestSerial application working (using the latest CVS version of
TinyOS 2.x). However, I experiencing an issue that the application
appears to work at first but then it stops receiving packets and only
sends them at a slow rate. The number of packets successfully
receives varies greatly (from 10-20 to over 100) in the tests that I
have done. I have also tested the TestSerialBandwidth application,
which displays similar behavior (it works at first, but then it stops
and just sends packets at a very slow rate). In both cases, the LEDs
stop blinking the count when the packets are not received. Please see
the transcripts below for an example.
Does this look like an issue with my local configuration, a
fundamental limit to the application, or a bug? For example, could
this be an overflow of some sort or a race condition?
Also, I do not understand why the application sometimes receives two
messages before sending another, as in the example in the tutorial.
I appreciate any help with these issues in advance.
Thanks,
Tal
Transcript from TestSerial:
serial@/dev/ttyUSB0:115200: resynchronising
Sending packet 0
Received packet sequence number 18
Sending packet 1
Received packet sequence number 19
Sending packet 2
Received packet sequence number 20
Sending packet 3
Received packet sequence number 21
Sending packet 4
Received packet sequence number 22
Sending packet 5
Received packet sequence number 23
Sending packet 6
Received packet sequence number 24
Sending packet 7
Received packet sequence number 25
Received packet sequence number 26
Sending packet 8
Received packet sequence number 27
Sending packet 9
Received packet sequence number 28
Sending packet 10
Received packet sequence number 29
Sending packet 11
Received packet sequence number 30
Sending packet 12
Received packet sequence number 31
Sending packet 13
Received packet sequence number 32
Sending packet 14
Received packet sequence number 33
Sending packet 15
Received packet sequence number 34
Sending packet 16
Received packet sequence number 35
Sending packet 17
Received packet sequence number 36
Sending packet 18
Received packet sequence number 37
Sending packet 19
Received packet sequence number 38
Sending packet 20
Received packet sequence number 39
Sending packet 21
Received packet sequence number 40
Sending packet 22
Received packet sequence number 41
Sending packet 23
Received packet sequence number 42
Sending packet 24
Received packet sequence number 43
Sending packet 25
Received packet sequence number 44
Sending packet 26
Received packet sequence number 45
Sending packet 27
Received packet sequence number 46
Sending packet 28
Received packet sequence number 47
Received packet sequence number 48
Sending packet 29
Received packet sequence number 49
Sending packet 30
Received packet sequence number 50
Sending packet 31
Received packet sequence number 51
Sending packet 32
Received packet sequence number 52
Sending packet 33
Received packet sequence number 53
Sending packet 34
Received packet sequence number 54
Sending packet 35
Received packet sequence number 55
Sending packet 36
Received packet sequence number 56
Sending packet 37
Received packet sequence number 57
Sending packet 38
Received packet sequence number 58
Sending packet 39
Received packet sequence number 59
Sending packet 40
Received packet sequence number 60
Sending packet 41
Received packet sequence number 61
Sending packet 42
Received packet sequence number 62
Sending packet 43
Received packet sequence number 63
Sending packet 44
Received packet sequence number 64
Sending packet 45
Received packet sequence number 65
Sending packet 46
Received packet sequence number 66
Sending packet 47
Received packet sequence number 67
Sending packet 48
Received packet sequence number 68
Sending packet 49
Received packet sequence number 69
Sending packet 50
Received packet sequence number 70
Sending packet 51
Received packet sequence number 71
Received packet sequence number 72
Sending packet 52
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Sending packet 53
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Sending packet 54
Received packet sequence number 75
Sending packet 55
Received packet sequence number 76
Sending packet 56
Received packet sequence number 77
Sending packet 57
Received packet sequence number 78
Sending packet 58
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Sending packet 59
Received packet sequence number 80
Sending packet 60
Received packet sequence number 81
Sending packet 61
Received packet sequence number 82
Sending packet 62
Received packet sequence number 83
Sending packet 63
Received packet sequence number 84
Sending packet 64
Received packet sequence number 85
Sending packet 65
Received packet sequence number 86
Sending packet 66
Received packet sequence number 87
Sending packet 67
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Sending packet 68
Received packet sequence number 89
Sending packet 69
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Sending packet 70
Received packet sequence number 91
Sending packet 71
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Sending packet 72
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Sending packet 73
Received packet sequence number 94
Received packet sequence number 95
Sending packet 74
Received packet sequence number 96
Sending packet 75
Received packet sequence number 97
Sending packet 76
Received packet sequence number 98
Sending packet 77
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Sending packet 78
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Sending packet 79
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Sending packet 80
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Sending packet 81
Received packet sequence number 103
Sending packet 82
Received packet sequence number 104
Sending packet 83
Received packet sequence number 105
Sending packet 84
Received packet sequence number 106
Sending packet 85
Received packet sequence number 107
Sending packet 86
Received packet sequence number 108
Sending packet 87
Received packet sequence number 109
Sending packet 88
Received packet sequence number 110
Sending packet 89
Received packet sequence number 111
Sending packet 90
Received packet sequence number 112
Sending packet 91
Received packet sequence number 113
Sending packet 92
Received packet sequence number 114
Sending packet 93
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Sending packet 94
Received packet sequence number 116
Sending packet 95
Received packet sequence number 117
Received packet sequence number 118
Sending packet 96
Received packet sequence number 119
Sending packet 97
Received packet sequence number 120
Sending packet 98
Received packet sequence number 121
Sending packet 99
Received packet sequence number 122
Sending packet 100
Received packet sequence number 123
Sending packet 101
Received packet sequence number 124
Sending packet 102
Received packet sequence number 125
Sending packet 103
Received packet sequence number 126
Sending packet 104
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Sending packet 105
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Sending packet 106
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Sending packet 107
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Sending packet 108
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Sending packet 109
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Sending packet 110
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Sending packet 111
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Sending packet 112
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Sending packet 113
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Sending packet 114
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Sending packet 115
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Sending packet 116
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Sending packet 117
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Sending packet 118
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Sending packet 119
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Sending packet 120
Received packet sequence number 144
Sending packet 121
Received packet sequence number 145
Sending packet 122
Received packet sequence number 146
Sending packet 123
Received packet sequence number 147
Sending packet 124
Received packet sequence number 148
Sending packet 125
Received packet sequence number 149
Sending packet 126
Received packet sequence number 150
Sending packet 127
Received packet sequence number 151
Sending packet 128
Received packet sequence number 152
Sending packet 129
Received packet sequence number 153
Sending packet 130
Received packet sequence number 154
Sending packet 131
Received packet sequence number 155
Sending packet 132
Received packet sequence number 156
Sending packet 133
Received packet sequence number 157
Sending packet 134
Received packet sequence number 158
Sending packet 135
Received packet sequence number 159
Sending packet 136
Received packet sequence number 160
Sending packet 137
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Sending packet 138
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Sending packet 139
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Received packet sequence number 164
Sending packet 140
Received packet sequence number 165
Sending packet 141
Received packet sequence number 166
Sending packet 142
Received packet sequence number 167
Sending packet 143
Received packet sequence number 168
Sending packet 144
Received packet sequence number 169
Sending packet 145
Received packet sequence number 170
Sending packet 146
Received packet sequence number 171
Sending packet 147
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Sending packet 148
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Sending packet 149
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Sending packet 150
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Sending packet 151
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Sending packet 152
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Sending packet 153
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Sending packet 154
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Sending packet 155
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Sending packet 156
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Sending packet 157
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Sending packet 158
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Sending packet 159
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Sending packet 160
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Sending packet 161
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Sending packet 162
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Sending packet 167
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Sending packet 168
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Sending packet 169
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Sending packet 170
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Sending packet 171
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Sending packet 172
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Sending packet 173
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Sending packet 174
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Sending packet 176
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Sending packet 178
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Sending packet 179
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Sending packet 180
Received packet sequence number 206
Sending packet 181
Received packet sequence number 207
Sending packet 182
Received packet sequence number 208
Sending packet 183
Received packet sequence number 209
Sending packet 184
Sending packet 185
Sending packet 186
Sending packet 187
Transcript from TestSerialBandwidth:
Sending packet 0
Received packet sequence number 1028
Received packet sequence number 1029
Received packet sequence number 1030
Received packet sequence number 1031
Received packet sequence number 1032
Received packet sequence number 1033
Received packet sequence number 1034
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Received packet sequence number 1119
Received packet sequence number 1120
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Received packet sequence number 1123
Received packet sequence number 1124
Sending packet 1
Received packet sequence number 1125
Received packet sequence number 1126
Received packet sequence number 1127
Received packet sequence number 1128
Received packet sequence number 1129
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Sending packet 2
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Sending packet 4
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