More Linux scratching.

More Linux scratching.

Very weird.  This code worked once (for extremely liberal definitions of
"worked") , but successive runs fail.

Sent: 12
00 00 00 00 05 00 00 00 00 00 00 00
............
RX [16]:00 00 00 00 06 00 00 00 04 00 00 00 35 1a ff b3 ............5...(ACK     )

Synced in 0
Sent: 12
14 00 00 00 fe 00 00 00 00 00 00 00
............
RX [147]:14 00 00 00 ff 00 00 00 87 00 00 00 23 01 5e 01 47 50 53 4d 61 70 36 30 43 53 20 53 6f 66 74 77 61 72 65 20 56 65 72 73 69 6f 6e 20 33 2e 35 30 00 56 45 52 42 4d 41 50 20 52 65 63 72 65 61 74 69 6f 6e 61 6c 20 52 6f 75 74 61 62 6c 65 20 48 69 67 68 77 61 79 20 42 61 73 65 6d 61 70 2c 20 41 6d 65 72 69 63 61 73 20 76 32 20 32 2e 30 30 00 56 45 52 53 4d 41 50 20 4d 69 64 20 54 4e 2c 20 53 54 4c 2c 20 4c 27 76 69 6c 6c 65 20 30 2e 30 30 00 ................GPSMap60CS.Software.Version.3.50.VERBMAP.Recreational.Routable.Highway.Basemap..Americas.v2.2.00.VERSMAP.Mid.TN..STL..L.ville.0.00.(PRDDAT  )

Rx Data:[147]14 00 00 00 ff 00 00 00 87 00 00 00 23 01 5e 01 47 50 53 4d 61 70 36 30 43 53 20 53 6f 66 74 77 61 72 65 20 56 65 72 73 69 6f 6e 20 33 2e 35 30 00 56 45 52 42 4d 41 50 20 52 65 63 72 65 61 74 69 6f 6e 61 6c 20 52 6f 75 74 61 62 6c 65 20 48 69 67 68 77 61 79 20 42 61 73 65 6d 61 70 2c 20 41 6d 65 72 69 63 61 73 20 76 32 20 32 2e 30 30 00 56 45 52 53 4d 41 50 20 4d 69 64 20 54 4e 2c 20 53 54 4c 2c 20 4c 27 76 69 6c 6c 65 20 30 2e 30 30 00 ................GPSMap60CS.Software.Version.3.50.VERBMAP.Recreational.Routable.Highway.Basemap..Americas.v2.2.00.VERSMAP.Mid.TN..STL..L.ville.0.00.(PRDDAT  )
GPSMap60CS Software Version 3.50
ID:             291

Version:        3.50

RX [114]:14 00 00 00 fd 00 00 00 66 00 00 00 50 00 00 4c 01 00 41 0a 00 54 01 00 41 64 00 44 6d 00 41 c9 00 44 ca 00 44 6d 00 44 d2 00 41 2d 01 44 36 01 44 2d 01 41 90 01 44 6d 00 41 f4 01 44 f5 01 41 58 02 44 58 02 41 59 02 44 59 02 41 bc 02 44 bc 02 41 20 03 44 20 03 41 84 03 41 86 03 41 87 03 41 88 03 41 8b 03 44 8b 03 44 8c 03 44 8d 03 44 8e 03 ........f...P..L..A..T..Ad.Dm.A..D..Dm.D..A..D6.D..A..Dm.A..D..AX.DX.AY.DY.A..D..A..D..A..A..A..A..A..D..D..D..D..(PRTARR  )

Rx Data:[114]14 00 00 00 fd 00 00 00 66 00 00 00 50 00 00 4c 01 00 41 0a 00 54 01 00 41 64 00 44 6d 00 41 c9 00 44 ca 00 44 6d 00 44 d2 00 41 2d 01 44 36 01 44 2d 01 41 90 01 44 6d 00 41 f4 01 44 f5 01 41 58 02 44 58 02 41 59 02 44 59 02 41 bc 02 44 bc 02 41 20 03 44 20 03 41 84 03 41 86 03 41 87 03 41 88 03 41 8b 03 44 8b 03 44 8c 03 44 8d 03 44 8e 03 ........f...P..L..A..T..Ad.Dm.A..D..Dm.D..A..D6.D..A..Dm.A..D..AX.DX.AY.DY.A..D..A..D..A..A..A..A..A..D..D..D..D..(PRTARR  )
Capability 'P'.  Type 0
Capability 'L'.  Type 1
Capability 'A'.  Type 10
Capability 'T'.  Type 1
Capability 'A'.  Type 100
Capability 'D'.  Type 109
Capability 'A'.  Type 201
Capability 'D'.  Type 202
Capability 'D'.  Type 109
Capability 'D'.  Type 210
Capability 'A'.  Type 301
Capability 'D'.  Type 310
Capability 'D'.  Type 301
Capability 'A'.  Type 400
Capability 'D'.  Type 109
Capability 'A'.  Type 500
Capability 'D'.  Type 501
Capability 'A'.  Type 600
Capability 'D'.  Type 600
Capability 'A'.  Type 601
Capability 'D'.  Type 601
Capability 'A'.  Type 700
Capability 'D'.  Type 700
Capability 'A'.  Type 800
Capability 'D'.  Type 800
Capability 'A'.  Type 900
Capability 'A'.  Type 902
Capability 'A'.  Type 903
Capability 'A'.  Type 904
Capability 'A'.  Type 907
Capability 'D'.  Type 907
Capability 'D'.  Type 908
Capability 'D'.  Type 909
Capability 'D'.  Type 910
Sent: 14
14 00 00 00 0a 00 00 00 02 00 00 00 32 00
............2.
open: No such file or directory