1630 lines
67 KiB
Python
Executable file
1630 lines
67 KiB
Python
Executable file
#!/usr/bin/env python
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# Serial Bootstrap Loader software for the MSP430 embedded proccessor.
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#
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# (C) 2001-2003 Chris Liechti <cliechti@gmx.net>
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# this is distributed under a free software license, see license.txt
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#
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# fixes from Colin Domoney
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#
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# based on the application note slas96b.pdf from Texas Instruments, Inc.,
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# Volker Rzehak
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# additional infos from slaa089a.pdf
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import serial
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import sys, time, string, cStringIO, struct
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VERSION = string.split("Revision: 1.39-telos-7 ")[1] #freeze the mspgcc CVS version, and tag telos
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DEBUG = 0 #disable debug messages by default
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#copy of the patch file provided by TI
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#this part is (C) by Texas Instruments
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PATCH = """@0220
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31 40 1A 02 09 43 B0 12 2A 0E B0 12 BA 0D 55 42
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0B 02 75 90 12 00 1F 24 B0 12 BA 02 55 42 0B 02
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75 90 16 00 16 24 75 90 14 00 11 24 B0 12 84 0E
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06 3C B0 12 94 0E 03 3C 21 53 B0 12 8C 0E B2 40
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10 A5 2C 01 B2 40 00 A5 28 01 30 40 42 0C 30 40
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76 0D 30 40 AC 0C 16 42 0E 02 17 42 10 02 E2 B2
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08 02 14 24 B0 12 10 0F 36 90 00 10 06 28 B2 40
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00 A5 2C 01 B2 40 40 A5 28 01 D6 42 06 02 00 00
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16 53 17 83 EF 23 B0 12 BA 02 D3 3F B0 12 10 0F
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17 83 FC 23 B0 12 BA 02 D0 3F 18 42 12 02 B0 12
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10 0F D2 42 06 02 12 02 B0 12 10 0F D2 42 06 02
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13 02 38 E3 18 92 12 02 BF 23 E2 B3 08 02 BC 23
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30 41
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q
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"""
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#These BSL's are (C) by TI. They come with the application note slaa089a
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F1X_BSL = """@0220
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24 02 2E 02 31 40 20 02 2B D2 C0 43 EA FF 32 C2
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F2 C0 32 00 00 00 B2 40 80 5A 20 01 F2 40 85 00
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57 00 F2 40 80 00 56 00 E2 D3 21 00 E2 D3 22 00
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E2 C3 26 00 E2 C2 2A 00 E2 C2 2E 00 B2 40 10 A5
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2C 01 B2 40 00 A5 28 01 3B C0 3A 00 B0 12 D6 04
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82 43 12 02 09 43 36 40 0A 02 37 42 B0 12 AC 05
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C6 4C 00 00 16 53 17 83 F9 23 D2 92 0C 02 0D 02
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28 20 55 42 0B 02 75 90 12 00 80 24 75 90 10 00
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6D 24 B0 12 9C 04 55 42 0B 02 75 90 18 00 31 24
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75 90 1E 00 B8 24 75 90 20 00 17 24 2B B2 11 24
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75 90 16 00 22 24 75 90 14 00 B3 24 75 90 1A 00
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18 24 75 90 1C 00 45 24 04 3C B0 12 36 05 BE 3F
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21 53 B0 12 3C 05 BA 3F 03 43 B0 12 36 05 D2 42
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0E 02 56 00 D2 42 0F 02 57 00 D2 42 10 02 16 02
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AD 3F B0 12 36 05 10 42 0E 02 16 42 0E 02 15 43
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07 3C 36 40 FE FF B2 40 06 A5 10 02 35 40 0C 00
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B2 40 00 A5 2C 01 92 42 10 02 28 01 B6 43 00 00
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92 B3 2C 01 FD 23 15 83 F3 23 36 90 FE FF CD 27
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37 40 80 00 36 F0 80 FF 36 90 00 11 0E 28 07 57
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36 F0 00 FF 36 90 00 12 08 28 07 57 36 F0 00 FE
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04 3C 16 42 0E 02 17 42 10 02 35 43 75 96 03 20
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17 83 FC 23 B2 3F 82 46 00 02 B3 3F 36 40 E0 FF
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37 40 20 00 B0 12 AC 05 7C 96 01 24 2B D3 17 83
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F9 23 2B C2 B0 12 9C 04 2B D2 9F 3F 16 42 0E 02
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17 42 10 02 2B B2 38 24 3B D0 10 00 B0 12 AC 05
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36 90 00 10 06 2C 36 90 00 01 09 2C C6 4C 00 00
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25 3C B2 40 00 A5 2C 01 B2 40 40 A5 28 01 16 B3
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03 20 C2 4C 14 02 1A 3C C2 4C 15 02 86 9A FD FF
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08 24 2B D3 3B B0 20 00 04 20 3B D0 20 00 82 46
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00 02 36 90 01 02 04 28 3B D2 3B B0 10 00 02 24
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3B C0 32 00 1A 42 14 02 86 4A FF FF 16 53 17 83
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CD 23 B0 12 9C 04 61 3F B0 12 AC 05 17 83 FC 23
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B0 12 9C 04 5E 3F B2 40 F0 0F 0E 02 B2 40 10 00
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10 02 B2 40 80 00 0A 02 D2 42 10 02 0C 02 D2 42
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10 02 0D 02 82 43 12 02 09 43 36 40 0A 02 27 42
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7C 46 B0 12 40 05 17 83 FB 23 16 42 0E 02 17 42
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10 02 36 90 00 01 0A 28 B2 46 14 02 5C 42 14 02
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B0 12 40 05 17 83 5C 42 15 02 01 3C 7C 46 B0 12
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40 05 17 83 EE 23 B2 E3 12 02 5C 42 12 02 B0 12
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40 05 5C 42 13 02 B0 12 40 05 E0 3E 18 42 12 02
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B0 12 AC 05 C2 4C 12 02 B0 12 AC 05 C2 4C 13 02
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38 E3 3B B2 0A 24 86 9A FE FF 07 24 3B B0 20 00
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04 20 16 53 82 46 00 02 2B D3 18 92 12 02 08 23
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2B B3 06 23 30 41 E2 B2 28 00 FD 27 E2 B2 28 00
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FD 23 B2 40 24 02 60 01 E2 B2 28 00 FD 27 15 42
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70 01 05 11 05 11 05 11 82 45 02 02 05 11 82 45
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04 02 B2 80 1E 00 04 02 57 42 16 02 37 80 03 00
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05 11 05 11 17 53 FD 23 35 50 40 A5 82 45 2A 01
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35 42 B2 40 24 02 60 01 92 92 70 01 02 02 FC 2F
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15 83 F7 23 09 43 7C 40 90 00 02 3C 7C 40 A0 00
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C2 43 07 02 C9 EC 12 02 19 E3 1B C3 55 42 07 02
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55 45 56 05 00 55 0C 2E 2E 2E 2E 2E 2E 2E 2E 1A
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34 34 92 42 70 01 72 01 B2 50 0C 00 72 01 07 3C
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1B B3 0B 20 82 43 62 01 92 B3 62 01 FD 27 E2 C3
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21 00 0A 3C 4C 11 F6 2B 1B E3 82 43 62 01 92 B3
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62 01 FD 27 E2 D3 21 00 92 52 02 02 72 01 D2 53
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07 02 F0 90 0C 00 61 FC D1 23 30 41 C2 43 09 02
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1B C3 55 42 09 02 55 45 BC 05 00 55 0C 56 56 56
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56 56 56 56 56 36 76 00 E2 B2 28 00 FD 23 92 42
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70 01 72 01 92 52 04 02 72 01 82 43 62 01 92 B3
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62 01 FD 27 E2 B2 28 00 1E 28 2B D3 1C 3C 4C 10
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1A 3C 82 43 62 01 92 B3 62 01 FD 27 E2 B2 28 00
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01 28 1B E3 1B B3 01 24 2B D3 C9 EC 12 02 19 E3
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0A 3C 82 43 62 01 92 B3 62 01 FD 27 E2 B2 28 00
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E6 2B 4C 10 1B E3 92 52 02 02 72 01 D2 53 09 02
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C0 3F 82 43 62 01 92 B3 62 01 FD 27 E2 B2 28 00
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01 2C 2B D3 30 41
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q
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"""
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F4X_BSL = """@0220
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24 02 2E 02 31 40 20 02 2B D2 C0 43 EA FF 32 C2
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F2 C0 32 00 00 00 B2 40 80 5A 20 01 32 D0 40 00
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C2 43 50 00 F2 40 98 00 51 00 F2 C0 80 00 52 00
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D2 D3 21 00 D2 D3 22 00 D2 C3 26 00 E2 C3 22 00
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E2 C3 26 00 B2 40 10 A5 2C 01 B2 40 00 A5 28 01
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3B C0 3A 00 B0 12 DE 04 82 43 12 02 09 43 36 40
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0A 02 37 42 B0 12 B4 05 C6 4C 00 00 16 53 17 83
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F9 23 D2 92 0C 02 0D 02 28 20 55 42 0B 02 75 90
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12 00 80 24 75 90 10 00 6D 24 B0 12 A4 04 55 42
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0B 02 75 90 18 00 31 24 75 90 1E 00 B8 24 75 90
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20 00 17 24 2B B2 11 24 75 90 16 00 22 24 75 90
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14 00 B3 24 75 90 1A 00 18 24 75 90 1C 00 45 24
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04 3C B0 12 3E 05 BE 3F 21 53 B0 12 44 05 BA 3F
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03 43 B0 12 3E 05 D2 42 0E 02 50 00 D2 42 0F 02
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51 00 D2 42 10 02 16 02 AD 3F B0 12 3E 05 10 42
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0E 02 16 42 0E 02 15 43 07 3C 36 40 FE FF B2 40
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06 A5 10 02 35 40 0C 00 B2 40 00 A5 2C 01 92 42
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10 02 28 01 B6 43 00 00 92 B3 2C 01 FD 23 15 83
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F3 23 36 90 FE FF CD 27 37 40 80 00 36 F0 80 FF
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36 90 00 11 0E 28 07 57 36 F0 00 FF 36 90 00 12
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08 28 07 57 36 F0 00 FE 04 3C 16 42 0E 02 17 42
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10 02 35 43 75 96 03 20 17 83 FC 23 B2 3F 82 46
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00 02 B3 3F 36 40 E0 FF 37 40 20 00 B0 12 B4 05
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7C 96 01 24 2B D3 17 83 F9 23 2B C2 B0 12 A4 04
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2B D2 9F 3F 16 42 0E 02 17 42 10 02 2B B2 38 24
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3B D0 10 00 B0 12 B4 05 36 90 00 10 06 2C 36 90
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00 01 09 2C C6 4C 00 00 25 3C B2 40 00 A5 2C 01
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B2 40 40 A5 28 01 16 B3 03 20 C2 4C 14 02 1A 3C
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C2 4C 15 02 86 9A FD FF 08 24 2B D3 3B B0 20 00
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04 20 3B D0 20 00 82 46 00 02 36 90 01 02 04 28
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3B D2 3B B0 10 00 02 24 3B C0 32 00 1A 42 14 02
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86 4A FF FF 16 53 17 83 CD 23 B0 12 A4 04 61 3F
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B0 12 B4 05 17 83 FC 23 B0 12 A4 04 5E 3F B2 40
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F0 0F 0E 02 B2 40 10 00 10 02 B2 40 80 00 0A 02
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D2 42 10 02 0C 02 D2 42 10 02 0D 02 82 43 12 02
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09 43 36 40 0A 02 27 42 7C 46 B0 12 48 05 17 83
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FB 23 16 42 0E 02 17 42 10 02 36 90 00 01 0A 28
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B2 46 14 02 5C 42 14 02 B0 12 48 05 17 83 5C 42
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15 02 01 3C 7C 46 B0 12 48 05 17 83 EE 23 B2 E3
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12 02 5C 42 12 02 B0 12 48 05 5C 42 13 02 B0 12
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48 05 E0 3E 18 42 12 02 B0 12 B4 05 C2 4C 12 02
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B0 12 B4 05 C2 4C 13 02 38 E3 3B B2 0A 24 86 9A
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FE FF 07 24 3B B0 20 00 04 20 16 53 82 46 00 02
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2B D3 18 92 12 02 08 23 2B B3 06 23 30 41 E2 B3
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20 00 FD 27 E2 B3 20 00 FD 23 B2 40 24 02 60 01
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E2 B3 20 00 FD 27 15 42 70 01 05 11 05 11 05 11
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82 45 02 02 05 11 82 45 04 02 B2 80 1E 00 04 02
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57 42 16 02 37 80 03 00 05 11 05 11 17 53 FD 23
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35 50 40 A5 82 45 2A 01 35 42 B2 40 24 02 60 01
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92 92 70 01 02 02 FC 2F 15 83 F7 23 09 43 7C 40
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90 00 02 3C 7C 40 A0 00 C2 43 07 02 C9 EC 12 02
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19 E3 1B C3 55 42 07 02 55 45 5E 05 00 55 0C 2E
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2E 2E 2E 2E 2E 2E 2E 1A 34 34 92 42 70 01 72 01
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B2 50 0C 00 72 01 07 3C 1B B3 0B 20 82 43 62 01
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92 B3 62 01 FD 27 D2 C3 21 00 0A 3C 4C 11 F6 2B
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1B E3 82 43 62 01 92 B3 62 01 FD 27 D2 D3 21 00
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92 52 02 02 72 01 D2 53 07 02 F0 90 0C 00 59 FC
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D1 23 30 41 C2 43 09 02 1B C3 55 42 09 02 55 45
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C4 05 00 55 0C 56 56 56 56 56 56 56 56 36 76 00
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E2 B3 20 00 FD 23 92 42 70 01 72 01 92 52 04 02
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72 01 82 43 62 01 92 B3 62 01 FD 27 E2 B3 20 00
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1E 28 2B D3 1C 3C 4C 10 1A 3C 82 43 62 01 92 B3
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62 01 FD 27 E2 B3 20 00 01 28 1B E3 1B B3 01 24
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2B D3 C9 EC 12 02 19 E3 0A 3C 82 43 62 01 92 B3
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62 01 FD 27 E2 B3 20 00 E6 2B 4C 10 1B E3 92 52
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02 02 72 01 D2 53 09 02 C0 3F 82 43 62 01 92 B3
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62 01 FD 27 E2 B3 20 00 01 2C 2B D3 30 41
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q
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"""
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#cpu types for "change baudrate"
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#use strings as ID so that they can be used in outputs too
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F1x = "F1x family"
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F4x = "F4x family"
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#known device list
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deviceids = {
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0xf149: F1x,
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0xf16c: F1x, #for telosb
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0xf112: F1x,
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0xf413: F4x,
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0xf123: F1x,
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0xf449: F4x,
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0x1232: F1x,
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}
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class BSLException(Exception):
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pass
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class LowLevel:
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"lowlevel communication"
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#Constants
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MODE_SSP = 0
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MODE_BSL = 1
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BSL_SYNC = 0x80
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BSL_TXPWORD = 0x10
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BSL_TXBLK = 0x12 #Transmit block to boot loader
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BSL_RXBLK = 0x14 #Receive block from boot loader
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BSL_ERASE = 0x16 #Erase one segment
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BSL_MERAS = 0x18 #Erase complete FLASH memory
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BSL_CHANGEBAUD = 0x20 #Change baudrate
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BSL_LOADPC = 0x1A #Load PC and start execution
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BSL_TXVERSION = 0x1E #Get BSL version
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#Upper limit of address range that might be modified by
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#"BSL checksum bug".
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BSL_CRITICAL_ADDR = 0x0A00
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#Header Definitions
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CMD_FAILED = 0x70
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DATA_FRAME = 0x80
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DATA_ACK = 0x90
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DATA_NAK = 0xA0
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QUERY_POLL = 0xB0
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QUERY_RESPONSE = 0x50
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OPEN_CONNECTION = 0xC0
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ACK_CONNECTION = 0x40
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DEFAULT_TIMEOUT = 1
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DEFAULT_PROLONG = 10
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MAX_FRAME_SIZE = 256
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MAX_DATA_BYTES = 250
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MAX_DATA_WORDS = 125
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MAX_FRAME_COUNT = 16
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#Error messages
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ERR_COM = "Unspecific error"
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ERR_RX_NAK = "NAK received (wrong password?)"
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#ERR_CMD_NOT_COMPLETED = "Command did not send ACK: indicates that it didn't complete correctly"
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ERR_CMD_FAILED = "Command failed, is not defined or is not allowed"
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ERR_BSL_SYNC = "Bootstrap loader synchronization error"
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ERR_FRAME_NUMBER = "Frame sequence number error."
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def calcChecksum(self, data, length):
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"""Calculates a checksum of "data"."""
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checksum = 0
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for i in range(length/2):
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checksum = checksum ^ (ord(data[i*2]) | (ord(data[i*2+1]) << 8)) #xor-ing
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return 0xffff & (checksum ^ 0xffff) #inverting
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def __init__(self, aTimeout = None, aProlongFactor = None):
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"""init bsl object, don't connect yet"""
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if aTimeout is None:
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self.timeout = self.DEFAULT_TIMEOUT
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else:
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self.timeout = aTimeout
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if aProlongFactor is None:
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self.prolongFactor = self.DEFAULT_PROLONG
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else:
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self.prolongFactor = aProlongFactor
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#flags for inverted use of control pins
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#used for some hardware
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self.invertRST = 0
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self.invertTEST = 0
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self.swapRSTTEST = 0
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self.telosLatch = 0
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self.telosI2C = 0
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self.protocolMode = self.MODE_BSL
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self.BSLMemAccessWarning = 0 #Default: no warning.
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self.slowmode = 0
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def comInit(self, port):
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"""Tries to open the serial port given and
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initialises the port and variables.
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The timeout and the number of allowed errors is multiplied by
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'aProlongFactor' after transmission of a command to give
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plenty of time to the micro controller to finish the command.
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Returns zero if the function is successful."""
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if DEBUG > 1: sys.stderr.write("* comInit()\n")
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self.seqNo = 0
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self.reqNo = 0
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self.rxPtr = 0
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self.txPtr = 0
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# Startup-Baudrate: 9600,8,E,1, 1s timeout
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self.serialport = serial.Serial(
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port,
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9600,
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parity = serial.PARITY_EVEN,
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timeout = self.timeout
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)
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if DEBUG: sys.stderr.write("using serial port %r\n" % self.serialport.portstr)
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self.SetRSTpin() #enable power
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self.SetTESTpin() #enable power
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self.serialport.flushInput()
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self.serialport.flushOutput()
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def comDone(self):
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"""Closes the used serial port.
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This function must be called at the end of a program,
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otherwise the serial port might not be released and can not be
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used in other programs.
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Returns zero if the function is successful."""
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if DEBUG > 1: sys.stderr.write("* comDone()")
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self.SetRSTpin(1) #disable power
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self.SetTESTpin(0) #disable power
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self.serialport.close()
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def comRxHeader(self):
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"""receive header and split data"""
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if DEBUG > 1: sys.stderr.write("* comRxHeader()\n")
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hdr = self.serialport.read(1)
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if not hdr: raise BSLException("Timeout")
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rxHeader = ord(hdr) & 0xf0;
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rxNum = ord(hdr) & 0x0f;
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if self.protocolMode == self.MODE_BSL:
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self.reqNo = 0
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self.seqNo = 0
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rxNum = 0
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if DEBUG > 1: sys.stderr.write("* comRxHeader() OK\n")
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return rxHeader, rxNum
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def comRxFrame(self, rxNum):
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if DEBUG > 1: sys.stderr.write("* comRxFrame()\n")
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rxFrame = chr(self.DATA_FRAME | rxNum)
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if DEBUG > 2: sys.stderr.write(" comRxFrame() header...\n")
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rxFramedata = self.serialport.read(3)
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if len(rxFramedata) != 3: raise BSLException("Timeout")
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rxFrame = rxFrame + rxFramedata
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if DEBUG > 3: sys.stderr.write(" comRxFrame() check header...\n")
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if rxFrame[1] == chr(0) and rxFrame[2] == rxFrame[3]: #Add. header info. correct?
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rxLengthCRC = ord(rxFrame[2]) + 2 #Add CRC-Bytes to length
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if DEBUG > 2: sys.stderr.write(" comRxFrame() receiving data, size: %s\n" % rxLengthCRC)
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rxFramedata = self.serialport.read(rxLengthCRC)
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if len(rxFramedata) != rxLengthCRC: raise BSLException("Timeout")
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rxFrame = rxFrame + rxFramedata
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#Check received frame:
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if DEBUG > 3: sys.stderr.write(" comRxFrame() crc check\n")
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#rxLength+4: Length with header but w/o CRC:
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checksum = self.calcChecksum(rxFrame, ord(rxFrame[2]) + 4)
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if rxFrame[ord(rxFrame[2])+4] == chr(0xff & checksum) and \
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rxFrame[ord(rxFrame[2])+5] == chr(0xff & (checksum >> 8)): #Checksum correct?
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#Frame received correctly (=> send next frame)
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if DEBUG > 2: sys.stderr.write("* comRxFrame() OK\n")
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return rxFrame
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else:
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if DEBUG: sys.stderr.write(" comRxFrame() Checksum wrong\n")
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else:
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if DEBUG: sys.stderr.write(" comRxFrame() Header corrupt %r" % rxFrame)
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raise BSLException(self.ERR_COM) #Frame has errors!
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def comTxHeader(self, txHeader):
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"""send header"""
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if DEBUG > 1: sys.stderr.write("* txHeader()\n")
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self.serialport.write(txHeader)
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def comTxRx(self, cmd, dataOut, length):
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"""Sends the command cmd with the data given in dataOut to the
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microcontroller and expects either an acknowledge or a frame
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with result from the microcontroller. The results are stored
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in dataIn (if not a NULL pointer is passed).
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In this routine all the necessary protocol stuff is handled.
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Returns zero if the function was successful."""
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if DEBUG > 1: sys.stderr.write("* comTxRx()\n")
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txFrame = []
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rxHeader = 0
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rxNum = 0
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dataOut = list(dataOut) #convert to a list for simpler data fill in
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#Transmitting part ----------------------------------------
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#Prepare data for transmit
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if (length % 2) != 0:
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#/* Fill with one byte to have even number of bytes to send */
|
|
if self.protocolMode == self.MODE_BSL:
|
|
dataOut.append(0xFF) #fill with 0xFF
|
|
else:
|
|
dataOut.append(0) #fill with zero
|
|
|
|
txFrame = "%c%c%c%c" % (self.DATA_FRAME | self.seqNo, cmd, len(dataOut), len(dataOut))
|
|
|
|
self.reqNo = (self.seqNo + 1) % self.MAX_FRAME_COUNT
|
|
|
|
txFrame = txFrame + string.join(dataOut,'')
|
|
checksum = self.calcChecksum(txFrame, length + 4)
|
|
txFrame = txFrame + chr(checksum & 0xff)
|
|
txFrame = txFrame + chr((checksum >> 8) & 0xff)
|
|
|
|
accessAddr = (0x0212 + (checksum^0xffff)) & 0xfffe #0x0212: Address of wCHKSUM
|
|
if self.BSLMemAccessWarning and accessAddr < self.BSL_CRITICAL_ADDR:
|
|
sys.stderr.write("WARNING: This command might change data at address %04x or %04x!\n" % (accessAddr, accessAddr + 1))
|
|
|
|
self.serialport.flushInput() #clear receiving queue
|
|
#TODO: Check after each transmitted character,
|
|
#TODO: if microcontroller did send a character (probably a NAK!).
|
|
for c in txFrame:
|
|
self.serialport.write(c)
|
|
if DEBUG > 3: sys.stderr.write("\ttx %02x" % ord(c))
|
|
#if self.serialport.inWaiting(): break #abort when BSL replies, probably NAK
|
|
else:
|
|
if DEBUG > 1: sys.stderr.write( " comTxRx() transmit OK\n")
|
|
|
|
#Receiving part -------------------------------------------
|
|
rxHeader, rxNum = self.comRxHeader() #receive header
|
|
if DEBUG > 1: sys.stderr.write(" comTxRx() rxHeader=0x%02x, rxNum=%d, seqNo=%d, reqNo=%s\n" % (rxHeader, rxNum, self.seqNo, self.reqNo))
|
|
if rxHeader == self.DATA_ACK: #acknowledge/OK
|
|
if DEBUG > 2: sys.stderr.write(" comTxRx() DATA_ACK\n")
|
|
if rxNum == self.reqNo:
|
|
self.seqNo = self.reqNo
|
|
if DEBUG > 2: sys.stderr.write("* comTxRx() DATA_ACK OK\n")
|
|
return #Acknowledge received correctly => next frame
|
|
raise BSLException(self.ERR_FRAME_NUMBER)
|
|
elif rxHeader == self.DATA_NAK: #not acknowledge/error
|
|
if DEBUG > 2: sys.stderr.write("* comTxRx() DATA_NAK\n")
|
|
raise BSLException(self.ERR_RX_NAK)
|
|
elif rxHeader == self.DATA_FRAME: #receive data
|
|
if DEBUG > 2: sys.stderr.write("* comTxRx() DATA_FRAME\n")
|
|
if rxNum == self.reqNo:
|
|
rxFrame = self.comRxFrame(rxNum)
|
|
return rxFrame
|
|
raise BSLException(self.ERR_FRAME_NUMBER)
|
|
elif rxHeader == self.CMD_FAILED: #Frame ok, but command failed.
|
|
if DEBUG > 2: sys.stderr.write("* comTxRx() CMD_FAILED\n")
|
|
raise BSLException(self.ERR_CMD_FAILED)
|
|
|
|
raise BSLException("Unknown header 0x%02x\nAre you downloading to RAM into an old device that requires the patch? Try option -U" % rxHeader)
|
|
|
|
def SetDTR(self, level, invert):
|
|
"""Controls DTR pin (0: GND; 1: VCC; unless inverted flag is set)"""
|
|
if invert:
|
|
self.serialport.setDTR(not level)
|
|
else:
|
|
self.serialport.setDTR(level)
|
|
if self.slowmode:
|
|
time.sleep(0.040)
|
|
|
|
def SetRTS(self, level, invert):
|
|
"""Controls RTS pin (0: GND; 1: VCC; unless inverted flag is set)"""
|
|
if invert:
|
|
self.serialport.setRTS(not level)
|
|
else:
|
|
self.serialport.setRTS(level)
|
|
if self.slowmode:
|
|
time.sleep(0.040)
|
|
|
|
def SetRSTpin(self, level=1):
|
|
"""Controls RST/NMI pin (0: GND; 1: VCC; unless inverted flag is set)"""
|
|
if self.swapRSTTEST:
|
|
self.SetRTS(level, self.invertRST)
|
|
else:
|
|
self.SetDTR(level, self.invertRST)
|
|
|
|
def SetTESTpin(self, level=1):
|
|
"""Controls TEST pin (inverted on board: 0: VCC; 1: GND; unless inverted flag is set)"""
|
|
if self.swapRSTTEST:
|
|
self.SetDTR(level, self.invertTEST)
|
|
else:
|
|
self.SetRTS(level, self.invertTEST)
|
|
|
|
def telosSetSCL(self, level):
|
|
self.serialport.setRTS(not level)
|
|
|
|
def telosSetSDA(self, level):
|
|
self.serialport.setDTR(not level)
|
|
|
|
def telosI2CStart(self):
|
|
self.telosSetSDA(1)
|
|
self.telosSetSCL(1)
|
|
self.telosSetSDA(0)
|
|
|
|
def telosI2CStop(self):
|
|
self.telosSetSDA(0)
|
|
self.telosSetSCL(1)
|
|
self.telosSetSDA(1)
|
|
|
|
def telosI2CWriteBit(self, bit):
|
|
self.telosSetSCL(0)
|
|
self.telosSetSDA(bit)
|
|
time.sleep(2e-6)
|
|
self.telosSetSCL(1)
|
|
time.sleep(1e-6)
|
|
self.telosSetSCL(0)
|
|
|
|
def telosI2CWriteByte(self, byte):
|
|
self.telosI2CWriteBit( byte & 0x80 );
|
|
self.telosI2CWriteBit( byte & 0x40 );
|
|
self.telosI2CWriteBit( byte & 0x20 );
|
|
self.telosI2CWriteBit( byte & 0x10 );
|
|
self.telosI2CWriteBit( byte & 0x08 );
|
|
self.telosI2CWriteBit( byte & 0x04 );
|
|
self.telosI2CWriteBit( byte & 0x02 );
|
|
self.telosI2CWriteBit( byte & 0x01 );
|
|
self.telosI2CWriteBit( 0 ); # "acknowledge"
|
|
|
|
def telosI2CWriteCmd(self, addr, cmdbyte):
|
|
self.telosI2CStart()
|
|
self.telosI2CWriteByte( 0x90 | (addr << 1) )
|
|
self.telosI2CWriteByte( cmdbyte )
|
|
self.telosI2CStop()
|
|
|
|
def telosBReset(self,invokeBSL=0):
|
|
|
|
# "BSL entry sequence at dedicated JTAG pins"
|
|
# rst !s0: 0 0 0 0 1 1
|
|
# tck !s1: 1 0 1 0 0 1
|
|
# s0|s1: 1 3 1 3 2 0
|
|
|
|
# "BSL entry sequence at shared JTAG pins"
|
|
# rst !s0: 0 0 0 0 1 1
|
|
# tck !s1: 0 1 0 1 1 0
|
|
# s0|s1: 3 1 3 1 0 2
|
|
|
|
if invokeBSL:
|
|
self.telosI2CWriteCmd(0,1)
|
|
self.telosI2CWriteCmd(0,3)
|
|
self.telosI2CWriteCmd(0,1)
|
|
self.telosI2CWriteCmd(0,3)
|
|
self.telosI2CWriteCmd(0,2)
|
|
self.telosI2CWriteCmd(0,0)
|
|
else:
|
|
self.telosI2CWriteCmd(0,3)
|
|
self.telosI2CWriteCmd(0,2)
|
|
self.telosI2CWriteCmd(0,0)
|
|
time.sleep(0.250) #give MSP430's oscillator time to stabilize
|
|
self.serialport.flushInput() #clear buffers
|
|
|
|
def bslReset(self, invokeBSL=0):
|
|
"""Applies BSL entry sequence on RST/NMI and TEST/VPP pins
|
|
Parameters:
|
|
invokeBSL = 1: complete sequence
|
|
invokeBSL = 0: only RST/NMI pin accessed
|
|
|
|
RST is inverted twice on boot loader hardware
|
|
TEST is inverted (only once)
|
|
Need positive voltage on DTR, RTS for power-supply of hardware"""
|
|
if self.telosI2C:
|
|
self.telosBReset(invokeBSL)
|
|
return
|
|
|
|
if DEBUG > 1: sys.stderr.write("* bslReset(invokeBSL=%s)\n" % invokeBSL)
|
|
self.SetRSTpin(1) #power suply
|
|
self.SetTESTpin(1) #power suply
|
|
time.sleep(0.250) #charge capacitor on boot loader hardware
|
|
|
|
if self.telosLatch:
|
|
self.SetTESTpin(0)
|
|
self.SetRSTpin(0)
|
|
self.SetTESTpin(1)
|
|
|
|
self.SetRSTpin(0) #RST pin: GND
|
|
if invokeBSL:
|
|
self.SetTESTpin(1) #TEST pin: GND
|
|
self.SetTESTpin(0) #TEST pin: Vcc
|
|
self.SetTESTpin(1) #TEST pin: GND
|
|
self.SetTESTpin(0) #TEST pin: Vcc
|
|
self.SetRSTpin (1) #RST pin: Vcc
|
|
self.SetTESTpin(1) #TEST pin: GND
|
|
else:
|
|
self.SetRSTpin(1) #RST pin: Vcc
|
|
time.sleep(0.250) #give MSP430's oscillator time to stabilize
|
|
|
|
self.serialport.flushInput() #clear buffers
|
|
|
|
def bslSync(self,wait=0):
|
|
"""Transmits Synchronization character and expects to receive Acknowledge character
|
|
if wait is 0 it must work the first time. otherwise if wait is 1
|
|
it is retried (forever).
|
|
"""
|
|
loopcnt = 5 #Max. tries to get synchronization
|
|
|
|
if DEBUG > 1: sys.stderr.write("* bslSync(wait=%d)\n" % wait)
|
|
while wait or loopcnt:
|
|
loopcnt = loopcnt - 1 #count down tries
|
|
self.serialport.flushInput() #clear input, in case a prog is running
|
|
|
|
self.serialport.write(chr(self.BSL_SYNC)) #Send synchronization byte
|
|
c = self.serialport.read(1) #read answer
|
|
if c == chr(self.DATA_ACK): #ACk
|
|
if DEBUG > 1: sys.stderr.write(" bslSync() OK\n")
|
|
return #Sync. successful
|
|
elif not c: #timeout
|
|
if loopcnt > 4:
|
|
if DEBUG > 1:
|
|
sys.stderr.write(" bslSync() timeout, retry ...\n")
|
|
elif loopcnt == 4:
|
|
#nmi may have caused the first reset to be ignored, try again
|
|
self.bslReset(0)
|
|
self.bslReset(1)
|
|
elif loopcnt > 0:
|
|
if DEBUG > 1:
|
|
sys.stderr.write(" bslSync() timeout, retry ...\n")
|
|
else :
|
|
if DEBUG > 1:
|
|
sys.stderr.write(" bslSync() timeout\n")
|
|
else: #garbage
|
|
if DEBUG > 1: sys.stderr.write(" bslSync() failed (0x%02x), retry ...\n" % ord(c))
|
|
|
|
raise BSLException(self.ERR_BSL_SYNC) #Sync. failed
|
|
|
|
def bslTxRx(self, cmd, addr, length = 0, blkout = None, wait=0):
|
|
"""Transmits a command (cmd) with its parameters:
|
|
start-address (addr), length (len) and additional
|
|
data (blkout) to boot loader.
|
|
wait specified if the bsl sync should be tried once or
|
|
repeated, forever
|
|
Parameters return by boot loader are passed via blkin.
|
|
"""
|
|
if DEBUG > 1: sys.stderr.write("* bslTxRx()\n")
|
|
|
|
if cmd == self.BSL_TXBLK:
|
|
#Align to even start address
|
|
if (addr % 2) != 0:
|
|
addr = addr - 1 #Decrement address and
|
|
blkout = chr(0xFF) + blkOut #fill first byte of blkout with 0xFF
|
|
length = length + 1
|
|
#Make sure that len is even
|
|
if (length % 2) != 0:
|
|
blkout = blkout + chr(0xFF) #Inc. len and fill last byte of blkout with 0xFF
|
|
length = length + 1
|
|
|
|
elif cmd == self.BSL_RXBLK:
|
|
#Align to even start address
|
|
if (addr % 2) != 0:
|
|
addr = addr - 1 #Decrement address but
|
|
length = length + 1 #request an additional byte
|
|
#Make sure that len is even
|
|
if (length % 2) != 0:
|
|
length = length + 1
|
|
|
|
#if cmd == self.BSL_TXBLK or cmd == self.BSL_TXPWORD:
|
|
# length = len + 4
|
|
|
|
#Add necessary information data to frame
|
|
dataOut = struct.pack("<HH", addr, length)
|
|
|
|
if blkout: #Copy data out of blkout into frame
|
|
dataOut = dataOut + blkout
|
|
|
|
self.bslSync(wait) #synchronize BSL
|
|
rxFrame = self.comTxRx(cmd, dataOut, len(dataOut)) #Send frame
|
|
if rxFrame: #test answer
|
|
return rxFrame[4:] #return only data w/o [hdr,null,len,len]
|
|
else:
|
|
return rxFrame
|
|
|
|
|
|
class Segment:
|
|
"""store a string with memory contents along with its startaddress"""
|
|
def __init__(self, startaddress = 0, data=None):
|
|
if data is None:
|
|
self.data = ''
|
|
else:
|
|
self.data = data
|
|
self.startaddress = startaddress
|
|
|
|
def __getitem__(self, index):
|
|
return self.data[index]
|
|
|
|
def __len__(self):
|
|
return len(self.data)
|
|
|
|
def __repr__(self):
|
|
return "Segment(startaddress = 0x%04x, data=%r)" % (self.startaddress, self.data)
|
|
|
|
class Memory:
|
|
"""represent memory contents. with functions to load files"""
|
|
def __init__(self, filename=None):
|
|
self.segments = []
|
|
if filename:
|
|
self.filename = filename
|
|
self.loadFile(filename)
|
|
|
|
def append(self, seg):
|
|
self.segments.append(seg)
|
|
|
|
def __getitem__(self, index):
|
|
return self.segments[index]
|
|
|
|
def __len__(self):
|
|
return len(self.segments)
|
|
|
|
def loadIHex(self, file):
|
|
"""load data from a (opened) file in Intel-HEX format"""
|
|
segmentdata = []
|
|
currentAddr = 0
|
|
startAddr = 0
|
|
lines = file.readlines()
|
|
for l in lines:
|
|
if l[0] != ':': raise BSLException("File Format Error\n")
|
|
l = l.strip() #fix CR-LF issues...
|
|
length = int(l[1:3],16)
|
|
address = int(l[3:7],16)
|
|
type = int(l[7:9],16)
|
|
check = int(l[-2:],16)
|
|
if type == 0x00:
|
|
if currentAddr != address:
|
|
if segmentdata:
|
|
self.segments.append( Segment(startAddr, string.join(segmentdata,'')) )
|
|
startAddr = currentAddr = address
|
|
segmentdata = []
|
|
for i in range(length):
|
|
segmentdata.append( chr(int(l[9+2*i:11+2*i],16)) )
|
|
currentAddr = length + currentAddr
|
|
elif type in (0x01, 0x02, 0x03, 0x04, 0x05):
|
|
pass
|
|
else:
|
|
sys.stderr.write("Ignored unknown field (type 0x%02x) in ihex file.\n" % type)
|
|
if segmentdata:
|
|
self.segments.append( Segment(startAddr, string.join(segmentdata,'')) )
|
|
|
|
def loadTIText(self, file):
|
|
"""load data from a (opened) file in TI-Text format"""
|
|
next = 1
|
|
startAddr = 0
|
|
segmentdata = []
|
|
#Convert data for MSP430, TXT-File is parsed line by line
|
|
while next >= 1:
|
|
#Read one line
|
|
l = file.readline()
|
|
if not l: break #EOF
|
|
l = l.strip()
|
|
if l[0] == 'q': break
|
|
elif l[0] == '@': #if @ => new address => send frame and set new addr.
|
|
#create a new segment
|
|
if segmentdata:
|
|
self.segments.append( Segment(startAddr, string.join(segmentdata,'')) )
|
|
startAddr = int(l[1:],16)
|
|
segmentdata = []
|
|
else:
|
|
for i in string.split(l):
|
|
segmentdata.append(chr(int(i,16)))
|
|
if segmentdata:
|
|
self.segments.append( Segment(startAddr, string.join(segmentdata,'')) )
|
|
|
|
def loadELF(self, file):
|
|
"""load data from a (opened) file in ELF object format.
|
|
File must be seekable"""
|
|
import elf
|
|
obj = elf.ELFObject()
|
|
obj.fromFile(file)
|
|
if obj.e_type != elf.ELFObject.ET_EXEC:
|
|
raise Exception("No executable")
|
|
for section in obj.getSections():
|
|
if DEBUG:
|
|
sys.stderr.write("ELF section %s at 0x%04x %d bytes\n" % (section.name, section.lma, len(section.data)))
|
|
if len(section.data):
|
|
self.segments.append( Segment(section.lma, section.data) )
|
|
|
|
def loadFile(self, filename):
|
|
"""fill memory with the contents of a file. file type is determined from extension"""
|
|
#TODO: do a contents based detection
|
|
if filename[-4:].lower() == '.txt':
|
|
self.loadTIText(open(filename, "rb"))
|
|
elif filename[-4:].lower() in ('.a43', '.hex'):
|
|
self.loadIHex(open(filename, "rb"))
|
|
else:
|
|
self.loadELF(open(filename, "rb"))
|
|
|
|
def getMemrange(self, fromadr, toadr):
|
|
"""get a range of bytes from the memory. unavailable values are filled with 0xff."""
|
|
res = ''
|
|
toadr = toadr + 1 #python indxes are excluding end, so include it
|
|
while fromadr < toadr:
|
|
#print "fromto: %04x %04x" % (fromadr, toadr)
|
|
for seg in self.segments:
|
|
#print seg
|
|
segend = seg.startaddress + len(seg.data)
|
|
if seg.startaddress <= fromadr and fromadr < segend:
|
|
#print "startok 0x%04x %d" % (seg.startaddress, len(seg.data))
|
|
#print ("0x%04x "*3) % (segend, fromadr, toadr)
|
|
if toadr > segend: #not all data in segment
|
|
#print "out of segment"
|
|
catchlength = segend-fromadr
|
|
else:
|
|
catchlength = toadr-fromadr
|
|
#print toadr-fromadr
|
|
#print catchlength
|
|
res = res + seg.data[fromadr-seg.startaddress : fromadr-seg.startaddress+catchlength]
|
|
fromadr = fromadr + catchlength #adjust start
|
|
if len(res) >= toadr-fromadr:
|
|
break#return res
|
|
else:
|
|
res = res + chr(255)
|
|
fromadr = fromadr + 1 #adjust start
|
|
#print "fill FF"
|
|
#print "res: %r" % res
|
|
return res
|
|
|
|
|
|
class BootStrapLoader(LowLevel):
|
|
"""higher level Bootstrap Loader functions."""
|
|
|
|
ERR_VERIFY_FAILED = "Error: verification failed"
|
|
ERR_ERASE_CHECK_FAILED = "Error: erase check failed"
|
|
|
|
ACTION_PROGRAM = 0x01 #Mask: program data
|
|
ACTION_VERIFY = 0x02 #Mask: verify data
|
|
ACTION_ERASE_CHECK = 0x04 #Mask: erase check
|
|
|
|
#Max. bytes sent within one frame if parsing a TI TXT file.
|
|
#( >= 16 and == n*16 and <= MAX_DATA_BYTES!)
|
|
MAXDATA = 240-16
|
|
|
|
|
|
def __init__(self, *args, **kargs):
|
|
LowLevel.__init__(self, *args, **kargs)
|
|
self.byteCtr = 0
|
|
self.meraseCycles = 1
|
|
self.patchRequired = 0
|
|
self.patchLoaded = 0
|
|
self.bslVer = 0
|
|
self.passwd = None
|
|
self.data = None
|
|
self.maxData = self.MAXDATA
|
|
self.cpu = None
|
|
|
|
|
|
def preparePatch(self):
|
|
"""prepare to download patch"""
|
|
if DEBUG > 1: sys.stderr.write("* preparePatch()\n")
|
|
|
|
if self.patchLoaded:
|
|
#Load PC with 0x0220.
|
|
#This will invoke the patched bootstrap loader subroutines.
|
|
self.bslTxRx(self.BSL_LOADPC, #Command: Load PC
|
|
0x0220) #Address to load into PC
|
|
self.BSLMemAccessWarning = 0 #Error is removed within workaround code
|
|
return
|
|
|
|
def postPatch(self):
|
|
"""setup after the patch is loaded"""
|
|
if DEBUG > 1: sys.stderr.write("* postPatch()\n")
|
|
if self.patchLoaded:
|
|
self.BSLMemAccessWarning = 1 #Turn warning back on.
|
|
|
|
|
|
def verifyBlk(self, addr, blkout, action):
|
|
"""verify memory against data or 0xff"""
|
|
if DEBUG > 1: sys.stderr.write("* verifyBlk()\n")
|
|
|
|
if action & self.ACTION_VERIFY or action & self.ACTION_ERASE_CHECK:
|
|
if DEBUG: sys.stderr.write(" Check starting at 0x%04x, %d bytes ... \n" % (addr, len(blkout)))
|
|
|
|
self.preparePatch()
|
|
blkin = self.bslTxRx(self.BSL_RXBLK, addr, len(blkout))
|
|
self.postPatch()
|
|
|
|
for i in range(len(blkout)):
|
|
if action & self.ACTION_VERIFY:
|
|
#Compare data in blkout and blkin
|
|
if blkin[i] != blkout[i]:
|
|
sys.stderr.write("Verification failed at 0x%04x (0x%02x, 0x%02x)\n" % (addr+i, ord(blkin[i]), ord(blkout[i])))
|
|
sys.stderr.flush()
|
|
raise BSLException(self.ERR_VERIFY_FAILED) #Verify failed!
|
|
continue
|
|
elif action & self.ACTION_ERASE_CHECK:
|
|
#Compare data in blkin with erase pattern
|
|
if blkin[i] != chr(0xff):
|
|
sys.stderr.write("Erase Check failed at 0x%04x (0x%02x)\n" % (addr+i, ord(blkin[i])))
|
|
sys.stderr.flush()
|
|
raise BSLException(self.ERR_ERASE_CHECK_FAILED) #Erase Check failed!
|
|
continue
|
|
|
|
def programBlk(self, addr, blkout, action):
|
|
"""programm a memory block"""
|
|
if DEBUG > 1: sys.stderr.write("* programBlk()\n")
|
|
|
|
#Check, if specified range is erased
|
|
self.verifyBlk(addr, blkout, action & self.ACTION_ERASE_CHECK)
|
|
|
|
if action & self.ACTION_PROGRAM:
|
|
if DEBUG: sys.stderr.write(" Program starting at 0x%04x, %i bytes ...\n" % (addr, len(blkout)))
|
|
self.preparePatch()
|
|
#Program block
|
|
self.bslTxRx(self.BSL_TXBLK, addr, len(blkout), blkout)
|
|
self.postPatch()
|
|
|
|
#Verify block
|
|
self.verifyBlk(addr, blkout, action & self.ACTION_VERIFY)
|
|
|
|
#segments:
|
|
#list of tuples or lists:
|
|
#segements = [ (addr1, [d0,d1,d2,...]), (addr2, [e0,e1,e2,...])]
|
|
def programData(self, segments, action):
|
|
"""programm or verify data"""
|
|
if DEBUG > 1: sys.stderr.write("* programData()\n")
|
|
for seg in segments:
|
|
currentAddr = seg.startaddress
|
|
pstart = 0
|
|
while pstart<len(seg.data):
|
|
length = self.MAXDATA
|
|
if pstart+length > len(seg.data):
|
|
length = len(seg.data) - pstart
|
|
self.programBlk(currentAddr, seg.data[pstart:pstart+length], action)
|
|
pstart = pstart + length
|
|
currentAddr = currentAddr + length
|
|
self.byteCtr = self.byteCtr + length #total sum
|
|
|
|
def uploadData(self, startaddress, size, wait=0):
|
|
"""upload a datablock"""
|
|
if DEBUG > 1: sys.stderr.write("* uploadData()\n")
|
|
data = ''
|
|
pstart = 0
|
|
while pstart<size:
|
|
length = self.maxData
|
|
if pstart+length > size:
|
|
length = size - pstart
|
|
data = data + self.bslTxRx(self.BSL_RXBLK,
|
|
pstart+startaddress,
|
|
length,
|
|
wait=wait)[:-2] #cut away checksum
|
|
pstart = pstart + length
|
|
return data
|
|
|
|
def txPasswd(self, passwd=None, wait=0):
|
|
"""transmit password, default if None is given."""
|
|
if DEBUG > 1: sys.stderr.write("* txPassword(%r)\n" % passwd)
|
|
if passwd is None:
|
|
#Send "standard" password to get access to protected functions.
|
|
sys.stderr.write("Transmit default password ...\n")
|
|
sys.stderr.flush()
|
|
#Flash is completely erased, the contents of all Flash cells is 0xff
|
|
passwd = chr(0xff)*32
|
|
else:
|
|
#sanity check of password
|
|
if len(passwd) != 32:
|
|
raise ValueError, "password has wrong length (%d)\n" % len(passwd)
|
|
sys.stderr.write('Transmit password ...\n')
|
|
sys.stderr.flush()
|
|
#send the password
|
|
self.bslTxRx(self.BSL_TXPWORD, #Command: Transmit Password
|
|
0xffe0, #Address of interupt vectors
|
|
0x0020, #Number of bytes
|
|
passwd, #password
|
|
wait=wait) #if wait is 1, try to sync forever
|
|
|
|
|
|
#-----------------------------------------------------------------
|
|
|
|
def actionMassErase(self):
|
|
"""Erase the flash memory completely (with mass erase command)"""
|
|
sys.stderr.write("Mass Erase...\n")
|
|
sys.stderr.flush()
|
|
self.bslReset(1) #Invoke the boot loader.
|
|
for i in range(self.meraseCycles):
|
|
if i == 1: sys.stderr.write("Additional Mass Erase Cycles...\n")
|
|
self.bslTxRx(self.BSL_MERAS, #Command: Mass Erase
|
|
0xff00, #Any address within flash memory.
|
|
0xa506) #Required setting for mass erase!
|
|
self.passwd = None #No password file required!
|
|
#print "Mass Erase complete"
|
|
#Transmit password to get access to protected BSL functions.
|
|
self.txPasswd()
|
|
|
|
def actionStartBSL(self, usepatch=1, adjsp=1, replacementBSL=None, forceBSL=0, mayuseBSL=0, speed=None, bslreset=1):
|
|
"""start BSL, download patch if desired and needed, adjust SP if desired"""
|
|
sys.stderr.write("Invoking BSL...\n")
|
|
sys.stderr.flush()
|
|
if bslreset:
|
|
self.bslReset(1) #Invoke the boot loader.
|
|
self.txPasswd(self.passwd) #transmit password
|
|
|
|
#Read actual bootstrap loader version.
|
|
#sys.stderr.write("Reading BSL version ...\n")
|
|
blkin = self.bslTxRx(self.BSL_RXBLK, #Command: Read/Receive Block
|
|
0x0ff0, #Start address
|
|
16) #No. of bytes to read
|
|
dev_id, bslVerHi, bslVerLo = struct.unpack(">H8xBB4x", blkin[:-2]) #cut away checksum and extract data
|
|
|
|
if self.cpu is None: #cpy type forced?
|
|
if deviceids.has_key(dev_id):
|
|
self.cpu = deviceids[dev_id] #try to autodectect CPU type
|
|
if DEBUG:
|
|
sys.stderr.write("Autodetect successful: %04x -> %s\n" % (dev_id, self.cpu))
|
|
else:
|
|
sys.stderr.write("Autodetect failed! Unkown ID: %04x. Trying to continue anyway.\n" % dev_id)
|
|
self.cpu = F1x #assume something and try anyway..
|
|
|
|
sys.stderr.write("Current bootstrap loader version: %x.%x (Device ID: %04x)\n" % (bslVerHi, bslVerLo, dev_id))
|
|
sys.stderr.flush()
|
|
self.bslVer = (bslVerHi << 8) | bslVerLo
|
|
|
|
if self.bslVer <= 0x0110: #check if patch is needed
|
|
self.BSLMemAccessWarning = 1
|
|
else:
|
|
self.BSLMemAccessWarning = 0 #Fixed in newer versions of BSL.
|
|
|
|
if self.bslVer <= 0x0130 and adjsp:
|
|
#only do this on BSL where it's needed to prevent
|
|
#malfunction with F4xx devices/ newer ROM-BSLs
|
|
|
|
#Execute function within bootstrap loader
|
|
#to prepare stack pointer for the following patch.
|
|
#This function will lock the protected functions again.
|
|
sys.stderr.write("Adjust SP. Load PC with 0x0C22 ...\n")
|
|
self.bslTxRx(self.BSL_LOADPC, #Command: Load PC
|
|
0x0C22) #Address to load into PC
|
|
#Re-send password to re-gain access to protected functions.
|
|
self.txPasswd(self.passwd)
|
|
|
|
#get internal BSL replacement if needed or forced by the user
|
|
#required if speed is set but an old BSL is in the device
|
|
#if a BSL is given by the user, that one is used and not the internal one
|
|
if ((mayuseBSL and speed and self.bslVer < 0x0150) or forceBSL) and replacementBSL is None:
|
|
replacementBSL = Memory() #File to program
|
|
if self.cpu == F4x:
|
|
if DEBUG:
|
|
sys.stderr.write("Using built in BSL replacement for F4x devices\n")
|
|
sys.stderr.flush()
|
|
replacementBSL.loadTIText(cStringIO.StringIO(F4X_BSL)) #parse embedded BSL
|
|
else:
|
|
if DEBUG:
|
|
sys.stderr.write("Using built in BSL replacement for F1x devices\n")
|
|
sys.stderr.flush()
|
|
replacementBSL.loadTIText(cStringIO.StringIO(F1X_BSL)) #parse embedded BSL
|
|
|
|
#now download the new BSL, if allowed and needed (version lower than the
|
|
#the replacement) or forced
|
|
if replacementBSL is not None:
|
|
self.actionDownloadBSL(replacementBSL)
|
|
|
|
#debug message with the real BSL version in use (may have changed after replacement BSL)
|
|
if DEBUG:
|
|
sys.stderr.write("Current bootstrap loader version: 0x%04x\n" % (self.bslVer,))
|
|
sys.stderr.flush()
|
|
|
|
#now apply workarounds or patches if BSL in use requires that
|
|
if self.bslVer <= 0x0110: #check if patch is needed
|
|
if usepatch: #test if patch is desired
|
|
sys.stderr.write("Patch for flash programming required!\n")
|
|
self.patchRequired = 1
|
|
|
|
sys.stderr.write("Load and verify patch ...\n")
|
|
sys.stderr.flush()
|
|
#Programming and verification is done in one pass.
|
|
#The patch file is only read and parsed once.
|
|
segments = Memory() #data to program
|
|
segments.loadTIText(cStringIO.StringIO(PATCH)) #parse embedded patch
|
|
#program patch
|
|
self.programData(segments, self.ACTION_PROGRAM | self.ACTION_VERIFY)
|
|
self.patchLoaded = 1
|
|
else:
|
|
if DEBUG:
|
|
sys.stderr.write("Device needs patch, but not applied (usepatch is false).\n") #message if not patched
|
|
|
|
#should the baudrate be changed?
|
|
if speed is not None:
|
|
self.actionChangeBaudrate(speed) #change baudrate
|
|
|
|
def actionDownloadBSL(self, bslsegments):
|
|
sys.stderr.write("Load new BSL into RAM...\n")
|
|
sys.stderr.flush()
|
|
self.programData(bslsegments, self.ACTION_PROGRAM)
|
|
sys.stderr.write("Verify new BSL...\n")
|
|
sys.stderr.flush()
|
|
self.programData(bslsegments, self.ACTION_VERIFY) #File to verify
|
|
|
|
#Read startvector of bootstrap loader
|
|
#blkin = self.bslTxRx(self.BSL_RXBLK, 0x0300, 2)
|
|
#blkin = self.bslTxRx(self.BSL_RXBLK, 0x0220, 2)
|
|
blkin = self.bslTxRx(self.BSL_RXBLK, bslsegments[0].startaddress, 2)
|
|
startaddr = struct.unpack("<H", blkin[:2])[0]
|
|
|
|
sys.stderr.write("Starting new BSL at 0x%04x...\n" % startaddr)
|
|
sys.stderr.flush()
|
|
self.bslTxRx(self.BSL_LOADPC, #Command: Load PC
|
|
startaddr) #Address to load into PC
|
|
|
|
#BSL-Bugs should be fixed within "new" BSL
|
|
self.BSLMemAccessWarning = 0
|
|
self.patchRequired = 0
|
|
self.patchLoaded = 0
|
|
|
|
#Re-send password to re-gain access to protected functions.
|
|
self.txPasswd(self.passwd)
|
|
|
|
#update version info
|
|
#verison only valid for the internal ones, but it also makes sure
|
|
#that the patches are not applied if the user d/ls one
|
|
self.bslVer = 0x0150
|
|
|
|
def actionEraseCheck(self):
|
|
"""check the erasure of required flash cells."""
|
|
sys.stderr.write("Erase Check by file ...\n")
|
|
sys.stderr.flush()
|
|
if self.data is not None:
|
|
self.programData(self.data, self.ACTION_ERASE_CHECK)
|
|
else:
|
|
raise BSLException, "cannot do erase check against data with not knowing the actual data"
|
|
|
|
def actionProgram(self):
|
|
"""program data into flash memory."""
|
|
if self.data is not None:
|
|
sys.stderr.write("Program ...\n")
|
|
sys.stderr.flush()
|
|
self.programData(self.data, self.ACTION_PROGRAM)
|
|
sys.stderr.write("%i bytes programmed.\n" % self.byteCtr)
|
|
sys.stderr.flush()
|
|
else:
|
|
raise BSLException, "programming without data not possible"
|
|
|
|
def actionVerify(self):
|
|
"""Verify programmed data"""
|
|
if self.data is not None:
|
|
sys.stderr.write("Verify ...\n")
|
|
sys.stderr.flush()
|
|
self.programData(self.data, self.ACTION_VERIFY)
|
|
else:
|
|
raise BSLException, "verify without data not possible"
|
|
|
|
def actionReset(self):
|
|
"""perform a reset, start user programm"""
|
|
sys.stderr.write("Reset device ...\n")
|
|
sys.stderr.flush()
|
|
self.bslReset(0) #only reset
|
|
|
|
def actionRun(self, address=0x220):
|
|
"""start program at specified address"""
|
|
sys.stderr.write("Load PC with 0x%04x ...\n" % address)
|
|
sys.stderr.flush()
|
|
self.bslTxRx(self.BSL_LOADPC, #Command: Load PC
|
|
address) #Address to load into PC
|
|
|
|
#table with values from slaa089a.pdf
|
|
bauratetable = {
|
|
F1x: {
|
|
9600:[0x8580, 0x0000],
|
|
19200:[0x86e0, 0x0001],
|
|
38400:[0x87e0, 0x0002],
|
|
},
|
|
F4x: {
|
|
9600:[0x9800, 0x0000],
|
|
19200:[0xb000, 0x0001],
|
|
38400:[0xc800, 0x0002],
|
|
},
|
|
}
|
|
def actionChangeBaudrate(self, baudrate=9600):
|
|
"""change baudrate. first the command is sent, then the comm
|
|
port is reprogrammed. only possible with newer MSP430-BSL versions.
|
|
(ROM >=1.6, downloadable >=1.5)"""
|
|
try:
|
|
baudconfigs = self.bauratetable[self.cpu]
|
|
except KeyError:
|
|
raise ValueError, "unknown CPU type %s, can't switch baudrate" % self.cpu
|
|
try:
|
|
a,l = baudconfigs[baudrate]
|
|
except KeyError:
|
|
raise ValueError, "baudrate not valid. valid values are %r" % baudconfigs.keys()
|
|
|
|
sys.stderr.write("Changing baudrate to %d ...\n" % baudrate)
|
|
sys.stderr.flush()
|
|
self.bslTxRx(self.BSL_CHANGEBAUD, #Command: change baudrate
|
|
a, l) #args are coded in adr and len
|
|
self.serialport.flush()
|
|
time.sleep(0.010) #recomended delay
|
|
self.serialport.baudrate = baudrate
|
|
|
|
def actionReadBSLVersion(self):
|
|
"""informational output of BSL version number.
|
|
(newer MSP430-BSLs only)"""
|
|
ans = self.bslTxRx(self.BSL_TXVERSION, 0) #Command: receive version info
|
|
#the following values are in big endian style!!!
|
|
family_type, bsl_version = struct.unpack(">H8xH4x", ans[:-2]) #cut away checksum and extract data
|
|
print "Device Type: 0x%04x\nBSL version: 0x%04x\n" % (family_type, bsl_version)
|
|
|
|
|
|
def usage():
|
|
"""print some help message"""
|
|
sys.stderr.write("""
|
|
USAGE: %s [options] [file]
|
|
Version: %s
|
|
|
|
If "-" is specified as file the data is read from the stdinput.
|
|
A file ending with ".txt" is considered to be in TIText format,
|
|
'.a43' and '.hex' as IntelHex and all other filenames are
|
|
considered as ELF files.
|
|
|
|
General options:
|
|
-h, --help Show this help screen.
|
|
-c, --comport=port Specify the communication port to be used.
|
|
(Default is 0)
|
|
0->COM1 / ttyS0
|
|
1->COM2 / ttyS1
|
|
etc.
|
|
-P, --password=file Specify a file with the interrupt vectors that
|
|
are used as password. This can be any file that
|
|
has previously been used to program the device.
|
|
(e.g. -P INT_VECT.TXT).
|
|
-f, --framesize=num Max. number of data bytes within one transmitted
|
|
frame (16 to 240 in steps of 16) (e.g. -f 240).
|
|
-m, --erasecycles=num Number of mass erase cycles (default is 1). Some
|
|
old F149 devices need additional erase cycles.
|
|
On newer devices it is no longer needed. (e.g. for
|
|
an old F149: -m20)
|
|
-U, --unpatched Do not download the BSL patch, even when it is
|
|
needed. This is used when a program is downloaded
|
|
into RAM and executed from there (and where flash
|
|
programming is not needed.)
|
|
-D, --debug Increase level of debug messages. This won't be
|
|
very useful for the average user...
|
|
-I, --intelhex Force fileformat to IntelHex
|
|
-T, --titext Force fileformat to be TIText
|
|
-N, --notimeout Don't use timeout on serial port (use with care)
|
|
-B, --bsl=bsl.txt Load and use new BSL from the TI Text file
|
|
-S, --speed=baud Reconfigure speed, only possible with newer
|
|
MSP403-BSL versions (>1.5, read slaa089a.pdf for
|
|
details). If the --bsl option is not used, an
|
|
internal BSL replacement will be loaded.
|
|
Needs a target with at least 2kB RAM!
|
|
Possible values are 9600, 19200, 38400
|
|
(default 9600)
|
|
-1, --f1x Specify CPU family, in case autodetect fails
|
|
-4, --f4x Specify CPU family, in case autodetect fails
|
|
--F1x and --f2x are only needed when the "change
|
|
baudrate" feature is used and the autodetect feature
|
|
fails. If the device ID that is uploaded is known, it
|
|
has precedence to the command line option.
|
|
--invert-reset Invert signal on RST pin (used for some BSL hardware)
|
|
--invert-test Invert signal on TEST/TCK pin (used for some BSL
|
|
hardware)
|
|
--swap-reset-test Swap the RST and TEST pins (used for some BSL hardware)
|
|
--telos-latch Special twiddle in BSL reset for Telos hardware
|
|
--telos-i2c DTR/RTS map via an I2C switch to TCK/RST in Telos Rev.B
|
|
--telos Implies options --invert-reset, --invert-test,
|
|
--swap-reset-test, and --telos-latch
|
|
--telosb Implies options --swap-reset-test, --telos-i2c,
|
|
--no-BSL-download, and --speed=38400
|
|
--tmote Identical operation to --telosb
|
|
--no-BSL-download Do not download replacement BSL (disable automatic)
|
|
--force-BSL-download Download replacement BSL even if not needed (the one
|
|
in the device would have the required features)
|
|
--slow Add delays when operating the conrol pins. Useful if
|
|
the pins/circuit has high capacitance.
|
|
|
|
Program Flow Specifiers:
|
|
-e, --masserase Mass Erase (clear all flash memory)
|
|
-E, --erasecheck Erase Check by file
|
|
-p, --program Program file
|
|
-v, --verify Verify by file
|
|
|
|
The order of the above options matters! The table is ordered by normal
|
|
execution order. For the options "Epv" a file must be specified.
|
|
Program flow specifiers default to "pvr" if a file is given.
|
|
Don't forget to specify "e" or "eE" when programming flash!
|
|
|
|
Data retreiving:
|
|
-u, --upload=addr Upload a datablock (see also: -s).
|
|
-s, --size=num Size of the data block do upload. (Default is 2)
|
|
-x, --hex Show a hexadecimal display of the uploaded data.
|
|
(Default)
|
|
-b, --bin Get binary uploaded data. This can be used
|
|
to redirect the output into a file.
|
|
|
|
Do before exit:
|
|
-g, --go=address Start programm execution at specified address.
|
|
This implies option --wait.
|
|
-r, --reset Reset connected MSP430. Starts application.
|
|
This is a normal device reset and will start
|
|
the programm that is specified in the reset
|
|
vector. (see also -g)
|
|
-w, --wait Wait for <ENTER> before closing serial port.
|
|
|
|
If it says "NAK received" it's probably because you specified no or a
|
|
wrong password.
|
|
""" % (sys.argv[0], VERSION))
|
|
|
|
#add some arguments to a function, but don't call it yet, instead return
|
|
#a wrapper object for later invocation
|
|
class curry:
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"""create a callable with some arguments specified in advance"""
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def __init__(self, fun, *args, **kwargs):
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self.fun = fun
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self.pending = args[:]
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self.kwargs = kwargs.copy()
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def __call__(self, *args, **kwargs):
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if kwargs and self.kwargs:
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kw = self.kwargs.copy()
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kw.update(kwargs)
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else:
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kw = kwargs or self.kwargs
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return apply(self.fun, self.pending + args, kw)
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def __repr__(self):
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#first try if it a function
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try:
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return "curry(%s, %r, %r)" % (self.fun.func_name, self.pending, self.kwargs)
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except AttributeError:
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#fallback for callable classes
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return "curry(%s, %r, %r)" % (self.fun, self.pending, self.kwargs)
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def hexify(line, bytes, width=16):
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return '%04x %s%s %s' % (
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line,
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('%02x '*len(bytes)) % tuple(bytes),
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' '* (width-len(bytes)),
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('%c'*len(bytes)) % tuple(map(lambda x: (x>=32 and x<127) and x or ord('.'), bytes))
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)
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#Main:
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def main():
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global DEBUG
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import getopt
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filetype = None
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filename = None
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comPort = 0 #Default setting.
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speed = None
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unpatched = 0
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reset = 0
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wait = 0 #wait at the end
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goaddr = None
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bsl = BootStrapLoader()
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toinit = []
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todo = []
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startaddr = None
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size = 2
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hexoutput = 1
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notimeout = 0
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bslrepl = None
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mayuseBSL = 1
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forceBSL = 0
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sys.stderr.write("MSP430 Bootstrap Loader Version: %s\n" % VERSION)
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try:
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opts, args = getopt.getopt(sys.argv[1:],
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"hc:P:wf:m:eEpvrg:UDudsxbITNB:S:V14",
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["help", "comport=", "password=", "wait", "framesize=",
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"erasecycles=", "masserase", "erasecheck", "program",
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"verify", "reset", "go=", "unpatched", "debug",
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"upload=", "download=", "size=", "hex", "bin",
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"intelhex", "titext", "notimeout", "bsl=", "speed=",
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"bslversion", "f1x", "f4x", "invert-reset", "invert-test",
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"swap-reset-test", "telos-latch", "telos-i2c", "telos", "telosb",
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"tmote","no-BSL-download", "force-BSL-download", "slow"]
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)
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except getopt.GetoptError:
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# print help information and exit:
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usage()
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sys.exit(2)
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for o, a in opts:
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if o in ("-h", "--help"):
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usage()
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sys.exit()
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elif o in ("-c", "--comport"):
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try:
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comPort = int(a) #try to convert decimal
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except ValueError:
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comPort = a #take the string and let serial driver decide
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elif o in ("-P", "--password"):
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#extract password from file
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bsl.passwd = Memory(a).getMemrange(0xffe0, 0xffff)
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elif o in ("-w", "--wait"):
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wait = 1
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elif o in ("-f", "--framesize"):
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try:
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maxData = int(a) #try to convert decimal
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except ValueError:
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sys.stderr.write("framesize must be a valid number\n")
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sys.exit(2)
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#Make sure that conditions for maxData are met:
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#( >= 16 and == n*16 and <= MAX_DATA_BYTES!)
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if maxData > BootStrapLoader.MAX_DATA_BYTES:
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maxData = BootStrapLoader.MAX_DATA_BYTES
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elif maxData < 16:
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maxData = 16
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bsl.maxData = maxData - (maxData % 16)
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sys.stderr.write( "Max. number of data bytes within one frame set to %i.\n" % maxData)
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elif o in ("-m", "--erasecycles"):
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try:
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meraseCycles = int(a) #try to convert decimal
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except ValueError:
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sys.stderr.write("erasecycles must be a valid number\n")
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sys.exit(2)
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#sanity check of value
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if meraseCycles < 1:
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sys.stderr.write("erasecycles must be a positive number\n")
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sys.exit(2)
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if meraseCycles > 20:
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sys.stderr.write("warning: erasecycles set to a large number (>20): %d\n" % meraseCycles)
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sys.stderr.write( "Number of mass erase cycles set to %i.\n" % meraseCycles)
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bsl.meraseCycles = meraseCycles
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elif o in ("-e", "--masserase"):
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toinit.append(bsl.actionMassErase) #Erase Flash
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elif o in ("-E", "--erasecheck"):
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toinit.append(bsl.actionEraseCheck) #Erase Check (by file)
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elif o in ("-p", "--programm"):
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todo.append(bsl.actionProgram) #Program file
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elif o in ("-v", "--verify"):
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todo.append(bsl.actionVerify) #Verify file
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elif o in ("-r", "--reset"):
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reset = 1
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elif o in ("-g", "--go"):
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try:
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goaddr = int(a) #try to convert decimal
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except ValueError:
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try:
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goaddr = int(a[2:],16) #try to convert hex
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except ValueError:
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sys.stderr.write("go address must be a valid number\n")
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sys.exit(2)
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wait = 1
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elif o in ("-U", "--unpatched"):
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unpatched = 1
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elif o in ("-D", "--debug"):
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DEBUG = DEBUG + 1
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elif o in ("-u", "--upload"):
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try:
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startaddr = int(a) #try to convert decimal
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except ValueError:
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try:
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startaddr = int(a,16) #try to convert hex
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except ValueError:
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sys.stderr.write("upload address must be a valid number\n")
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sys.exit(2)
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elif o in ("-s", "--size"):
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try:
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size = int(a)
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except ValueError:
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try:
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size = int(a,16)
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except ValueError:
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sys.stderr.write("size must be a valid number\n")
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sys.exit(2)
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elif o in ("-x", "--hex"):
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hexoutput = 1
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elif o in ("-b", "--bin"):
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hexoutput = 0
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elif o in ("-I", "--intelhex"):
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filetype = 0
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elif o in ("-T", "--titext"):
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filetype = 1
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elif o in ("-N", "--notimeout"):
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notimeout = 1
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elif o in ("-B", "--bsl"):
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bslrepl = Memory() #File to program
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bslrepl.loadFile(a)
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elif o in ("-V", "--bslversion"):
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todo.append(bsl.actionReadBSLVersion) #load replacement BSL as first item
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elif o in ("-S", "--speed"):
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try:
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speed = int(a) #try to convert decimal
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except ValueError:
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sys.stderr.write("speed must be decimal number\n")
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sys.exit(2)
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elif o in ("-1", "--f1x"):
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bsl.cpu = F1x
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elif o in ("-4", "--f4x"):
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bsl.cpu = F4x
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elif o in ("--invert-reset", ):
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bsl.invertRST = 1
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elif o in ("--invert-test", ):
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bsl.invertTEST = 1
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elif o in ("--swap-reset-test", ):
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bsl.swapRSTTEST = 1
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elif o in ("--telos-latch", ):
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bsl.telosLatch = 1
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elif o in ("--telos-i2c", ):
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bsl.telosI2C = 1
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elif o in ("--telos", ):
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bsl.invertRST = 1
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bsl.invertTEST = 1
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bsl.swapRSTTEST = 1
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bsl.telosLatch = 1
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elif o in ("--telosb", ):
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bsl.swapRSTTEST = 1
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bsl.telosI2C = 1
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mayuseBSL = 0
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speed = 38400
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elif o in ("--tmote", ):
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bsl.swapRSTTEST = 1
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bsl.telosI2C = 1
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mayuseBSL = 0
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speed = 38400
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elif o in ("--no-BSL-download", ):
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mayuseBSL = 0
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elif o in ("--force-BSL-download", ):
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forceBSL = 1
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elif o in ("--slow", ):
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bsl.slowmode = 1
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if len(args) == 0:
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sys.stderr.write("Use -h for help\n")
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elif len(args) == 1: #a filename is given
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if not todo: #if there are no actions yet
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todo.extend([ #add some useful actions...
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bsl.actionProgram,
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bsl.actionVerify,
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])
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filename = args[0]
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else: #number of args is wrong
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usage()
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sys.exit(2)
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if DEBUG: #debug infos
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sys.stderr.write("Debug level set to %d\n" % DEBUG)
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sys.stderr.write("Python version: %s\n" % sys.version)
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#sanity check of options
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if notimeout and goaddr is not None and startaddr is not None:
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sys.stderr.write("Option --notimeout can not be used together with both --upload and --go\n")
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sys.exit(1)
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if notimeout:
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sys.stderr.write("Warning: option --notimeout can cause improper function in some cases!\n")
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bsl.timeout = 0
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if goaddr and reset:
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sys.stderr.write("Warning: option --reset ignored as --go is specified!\n")
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reset = 0
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if startaddr and reset:
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sys.stderr.write("Warning: option --reset ignored as --upload is specified!\n")
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reset = 0
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sys.stderr.flush()
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#prepare data to download
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bsl.data = Memory() #prepare downloaded data
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if filetype is not None: #if the filetype is given...
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if filename is None:
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raise ValueError("no filename but filetype specified")
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if filename == '-': #get data from stdin
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file = sys.stdin
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else:
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file = open(filename, "rb") #or from a file
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if filetype == 0: #select load function
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bsl.data.loadIHex(file) #intel hex
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elif filetype == 1:
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bsl.data.loadTIText(file) #TI's format
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else:
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raise ValueError("illegal filetype specified")
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else: #no filetype given...
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if filename == '-': #for stdin:
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bsl.data.loadIHex(sys.stdin) #assume intel hex
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elif filename:
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bsl.data.loadFile(filename) #autodetect otherwise
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|
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if DEBUG > 3: sys.stderr.write("File: %r" % filename)
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|
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bsl.comInit(comPort) #init port
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|
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#initialization list
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if toinit: #erase and erase check
|
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if DEBUG: sys.stderr.write("Preparing device ...\n")
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#bsl.actionStartBSL(usepatch=0, adjsp=0) #no workarounds needed
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#if speed: bsl.actionChangeBaudrate(speed) #change baud rate as fast as possible
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for f in toinit: f()
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|
|
if todo or goaddr or startaddr:
|
|
if DEBUG: sys.stderr.write("Actions ...\n")
|
|
#connect to the BSL
|
|
bsl.actionStartBSL(
|
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usepatch=not unpatched,
|
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replacementBSL=bslrepl,
|
|
forceBSL=forceBSL,
|
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mayuseBSL=mayuseBSL,
|
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speed=speed,
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)
|
|
|
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#work list
|
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if todo:
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|
if DEBUG > 0: #debug
|
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#show a nice list of sheduled actions
|
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sys.stderr.write("TODO list:\n")
|
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for f in todo:
|
|
try:
|
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sys.stderr.write(" %s\n" % f.func_name)
|
|
except AttributeError:
|
|
sys.stderr.write(" %r\n" % f)
|
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for f in todo: f() #work through todo list
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|
|
|
if reset: #reset device first if desired
|
|
bsl.actionReset()
|
|
|
|
if goaddr is not None: #start user programm at specified address
|
|
bsl.actionRun(goaddr) #load PC and execute
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|
|
|
#upload datablock and output
|
|
if startaddr is not None:
|
|
if goaddr: #if a program was started...
|
|
#don't restart BSL but wait for the device to enter it itself
|
|
sys.stderr.write("Waiting for device to reconnect for upload: ")
|
|
sys.stderr.flush()
|
|
bsl.txPasswd(bsl.passwd, wait=1) #synchronize, try forever...
|
|
data = bsl.uploadData(startaddr, size) #upload data
|
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else:
|
|
data = bsl.uploadData(startaddr, size) #upload data
|
|
if hexoutput: #depending on output format
|
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m = 0
|
|
while m < len(data): #print a hex display
|
|
print hexify(startaddr+m, map(ord,data[m:m+16]))
|
|
m = m + 16
|
|
else:
|
|
sys.stdout.write(data) #binary output w/o newline!
|
|
wait = 0 #wait makes no sense as after the upload the device is still in BSL
|
|
|
|
if wait: #wait at the end if desired
|
|
sys.stderr.write("Press <ENTER> ...\n") #display a prompt
|
|
sys.stderr.flush()
|
|
raw_input() #wait for newline
|
|
|
|
bsl.comDone() #Release serial communication port
|
|
|
|
if __name__ == '__main__':
|
|
try:
|
|
main()
|
|
except SystemExit:
|
|
raise #let pass exit() calls
|
|
except KeyboardInterrupt:
|
|
if DEBUG: raise #show full trace in debug mode
|
|
sys.stderr.write("user abort.\n") #short messy in user mode
|
|
sys.exit(1) #set errorlevel for script usage
|
|
except Exception, msg: #every Exception is caught and displayed
|
|
if DEBUG: raise #show full trace in debug mode
|
|
sys.stderr.write("\nAn error occoured:\n%s\n" % msg) #short messy in user mode
|
|
sys.exit(1) #set errorlevel for script usage
|