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merged iso14 arm side

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This commit is contained in:
merlokk 2018-11-08 20:29:08 +02:00
parent 074c138de7
commit 0cfa47e628
2 changed files with 21 additions and 10 deletions
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19
armsrc/iso14443a.c
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@ -2212,15 +2212,21 @@ b8 b7 b6 b5 b4 b3 b2 b1
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 *res) {
uint8_t parity[MAX_PARITY_SIZE] = {0x00};
uint8_t real_cmd[cmd_len+4];
uint8_t real_cmd[cmd_len + 4];
if (cmd_len) {
// ISO 14443 APDU frame: PCB [CID] [NAD] APDU CRC PCB=0x02
real_cmd[0] = 0x02; // bnr,nad,cid,chn=0; i-block(0x00)
// put block number into the PCB
real_cmd[0] |= iso14_pcb_blocknum;
memcpy(real_cmd + 1, cmd, cmd_len);
} else {
// R-block. ACK
real_cmd[0] = 0xA2; // r-block + ACK
real_cmd[0] |= iso14_pcb_blocknum;
}
AddCrc14A(real_cmd, cmd_len + 1);
ReaderTransmit(real_cmd, cmd_len + 3, NULL);
@ -2260,6 +2266,10 @@ int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, void *data) {
iso14_pcb_blocknum ^= 1;
}
// if we received I-block with chaining we need to send ACK and receive another block of data
if (res)
*res = data_bytes[0];
// crc check
if (len >=3 && !check_crc(CRC_14443_A, data_bytes, len)) {
return -1;
@ -2320,8 +2330,9 @@ void ReaderIso14443a(UsbCommand *c) {
iso14a_set_timeout(timeout);
if ((param & ISO14A_APDU)) {
arg0 = iso14_apdu(cmd, len, buf);
cmd_send(CMD_ACK, arg0, 0, 0, buf, sizeof(buf));
uint8_t res;
arg0 = iso14_apdu(cmd, len, buf, &res);
cmd_send(CMD_ACK, arg0, res, 0, buf, sizeof(buf));
}
if ((param & ISO14A_RAW)) {

2
armsrc/iso14443a.h
View file

@ -114,7 +114,7 @@ extern void ReaderTransmitPar(uint8_t *frame, uint16_t len, uint8_t *par, uint32
extern int ReaderReceive(uint8_t *receivedAnswer, uint8_t *par);
extern void iso14443a_setup(uint8_t fpga_minor_mode);
extern int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, void *data);
extern int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, void *data, uint8_t *res);
extern int iso14443a_select_card(uint8_t *uid_ptr, iso14a_card_select_t *resp_data, uint32_t *cuid_ptr, bool anticollision, uint8_t num_cascades, bool no_rats);
extern int iso14443a_fast_select_card(uint8_t *uid_ptr, uint8_t num_cascades);
extern void iso14a_set_trigger(bool enable);