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Add access bit macros to ease-up writing code using the library.

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This commit is contained in:
Romain Tartiere 2010-03-19 09:00:06 +00:00
parent feb240ee73
commit 3b737a11e8
3 changed files with 23 additions and 2 deletions
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7
libfreefare/mifare_classic.c
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@ -709,10 +709,15 @@ mifare_classic_last_sector_block (MifareClassicBlockNumber block)
* Generates a MIFARE trailer block.
*/
void
mifare_classic_trailer_block (MifareClassicBlock *block, const MifareClassicKey key_a, const uint8_t ab_0, const uint8_t ab_1, const uint8_t ab_2, const uint8_t ab_tb, const uint8_t gpb, const MifareClassicKey key_b)
mifare_classic_trailer_block (MifareClassicBlock *block, const MifareClassicKey key_a, uint8_t ab_0, uint8_t ab_1, uint8_t ab_2, uint8_t ab_tb, const uint8_t gpb, const MifareClassicKey key_b)
{
union mifare_classic_block *b = (union mifare_classic_block *)block; // *((union mifare_classic_block *)(&block));
ab_0 = DB_AB(ab_0);
ab_1 = DB_AB(ab_1);
ab_2 = DB_AB(ab_2);
ab_tb = TB_AB(ab_tb);
memcpy (b->trailer.key_a, key_a, sizeof (MifareClassicKey));
uint32_t access_bits = ((((( ab_0 & 0x4) >> 2) << 8) | (((ab_0 & 0x2) >> 1) << 4) | (ab_0 & 0x1)) |