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added some info from @peterfillmore fork

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merlokk 2017-11-11 23:05:08 +02:00
parent a63505c953
commit ba4f95b4af
1 changed files with 24 additions and 1 deletions
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25
armsrc/iso14443a.c
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@ -1875,7 +1875,30 @@ void iso14443a_setup(uint8_t fpga_minor_mode) {
iso14a_set_timeout(1060); // 10ms default iso14a_set_timeout(1060); // 10ms default
} }
/* Peter Fillmore 2015
Added card id field to the function
info from ISO14443A standard
b1 = Block Number
b2 = RFU (always 1)
b3 = depends on block
b4 = Card ID following if set to 1
b5 = depends on block type
b6 = depends on block type
b7,b8 = block type.
Coding of I-BLOCK:
b8 b7 b6 b5 b4 b3 b2 b1
0 0 0 x x x 1 x
b5 = chaining bit
Coding of R-block:
b8 b7 b6 b5 b4 b3 b2 b1
1 0 1 x x 0 1 x
b5 = ACK/NACK
Coding of S-block:
b8 b7 b6 b5 b4 b3 b2 b1
1 1 x x x 0 1 0
b5,b6 = 00 - DESELECT
11 - WTX
*/
int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, void *data) { int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, void *data) {
uint8_t parity[MAX_PARITY_SIZE]; uint8_t parity[MAX_PARITY_SIZE];
uint8_t real_cmd[cmd_len + 4]; uint8_t real_cmd[cmd_len + 4];