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Allow D2 in altitude values (>62k ft)

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Oliver Jowett 2015-09-10 14:22:13 +01:00
parent b51cafb91b
commit 909f1ad1e5
1 changed files with 1 additions and 1 deletions
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mode_ac.c
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@ -39,7 +39,7 @@ int ModeAToModeC(unsigned int ModeA)
unsigned int FiveHundreds = 0; unsigned int FiveHundreds = 0;
unsigned int OneHundreds = 0; unsigned int OneHundreds = 0;
if ( (ModeA & 0xFFFF888B) // D1 set is illegal. D2 set is > 62700ft which is unlikely if ( (ModeA & 0xFFFF8889) // check zero bits are zero, D1 set is illegal
|| ((ModeA & 0x000000F0) == 0) ) // C1,,C4 cannot be Zero || ((ModeA & 0x000000F0) == 0) ) // C1,,C4 cannot be Zero
{return -9999;} {return -9999;}