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French MPT1327 fixes. Discovered that entire bit stream is inverted, and system is using SYNC (0xB433) and SYNT (0x4BCC) sync patterns.

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dennis.sheirer
2014-08-06 01:24:26 +00:00
parent 63de9c6d7d
commit 0eddada70e
4 changed files with 86 additions and 13 deletions
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32
src/bits/SyncPattern.java
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@@ -75,19 +75,18 @@ public enum SyncPattern
}),
/**
* French variant of MPT-1327. This variant uses the following reversal
* pattern and sync pattern:
* French variant of MPT-1327. This variant uses the following a different
* sync pattern:
*
* REV: 0101 0101 0100 1011
* SYNC: 1100 1100 0111 1111
* SYNC: 1011 0100 0011 0011
*/
MPT1327_CONTROL_FRENCH( new boolean[]
{
true, false, true, true, //Includes final 4 of 16 rev bits
true, true, false, false, //1100 0xA
true, true, false, false, //1100 0xA
false, true, true, true, //0111 0x7
true, true, true, true, //1111 0xF
true, false, true, false, //Includes final 4 of 16 rev bits
true, false, true, true, //1011 0xB
false, true, false, false, //0100 0x4
false, false, true, true, //0011 0x3
false, false, true, true //0011 0x3
}),
/* Revs (0xA) and Sync(0x3B28) = 1010 0011101100101000 */
@@ -100,6 +99,21 @@ public enum SyncPattern
true, false, false, false //1000 0x8
}),
/**
* French variant of MPT-1327. This variant uses the following a different
* sync pattern:
*
* SYNT: 0100 1011 1100 1100
*/
MPT1327_TRAFFIC_FRENCH( new boolean[]
{
true, false, true, false, //Includes final 4 of 16 rev bits
false, true, false, false, //0100 0x4
true, false, true, true, //1011 0xB
true, true, false, false, //1100 0xC
true, true, false, false //1100 0xC
}),
/* Sync (0x158) = 1101011000 */
PASSPORT( new boolean[]
{