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fix 'hf iclass chk' - timings and fixing the parity / kc / kd ...

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This commit is contained in:
iceman1001 2019-09-11 21:14:46 +02:00
commit 236175a688
1 changed files with 12 additions and 22 deletions
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34
armsrc/iclass.c
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@ -55,7 +55,7 @@
#include "protocols.h"
#include "ticks.h"
static int g_wait = 100;
static int g_wait = 240;
static int timeout = 5000;
static uint32_t time_rdr = 0;
static uint32_t time_response = 0;
@ -1700,10 +1700,9 @@ static int SendIClassAnswer(uint8_t *resp, int respLen, uint16_t delay) {
//-----------------------------------------------------------------------------
// Transmit the command (to the tag) that was placed in ToSend[].
//-----------------------------------------------------------------------------
static void TransmitIClassCommand(const uint8_t *cmd, int len, int *samples, int *wait) {
static void TransmitIClassCommand(const uint8_t *cmd, int len, int *wait) {
int c = 0;
// volatile uint32_t b;
bool firstpart = true;
uint8_t sendbyte;
@ -1740,14 +1739,6 @@ static void TransmitIClassCommand(const uint8_t *cmd, int len, int *samples, int
if (c >= len) break;
}
// Prevent rx holding register from overflowing
/*
if (AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
b = AT91C_BASE_SSC->SSC_RHR;
(void)b;
}
*/
}
time_rdr = GetCountSspClk();
@ -1794,21 +1785,17 @@ void CodeIClassCommand(const uint8_t *cmd, int len) {
void ReaderTransmitIClass_ext(uint8_t *frame, int len, int wait) {
int samples = 0;
// This is tied to other size changes
CodeIClassCommand(frame, len);
// Select the card
TransmitIClassCommand(ToSend, ToSendMax, &samples, &wait);
TransmitIClassCommand(ToSend, ToSendMax, &wait);
LED_A_ON();
rsamples += samples;
LogTrace(frame, len, rsamples, rsamples, NULL, true);
}
void ReaderTransmitIClass(uint8_t *frame, int len) {
ReaderTransmitIClass_ext(frame, len, 400);
ReaderTransmitIClass_ext(frame, len, 330);
}
//-----------------------------------------------------------------------------
@ -1948,14 +1935,17 @@ uint8_t handshakeIclassTag_ext(uint8_t *card_data, bool use_credit_key) {
static uint8_t select[] = { 0x80 | ICLASS_CMD_SELECT, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t readcheck_cc[] = { 0x80 | ICLASS_CMD_READCHECK, 0x02 };
if (use_credit_key == false)
readcheck_cc[0] |= 0x10;
// Bit 4: K.If this bit equals to one, the READCHECK will use the Credit Key (Kc); if equals to zero, Debit Key (Kd) willbe used
// bit 7: parity.
if (use_credit_key)
readcheck_cc[0] = 0x10 | ICLASS_CMD_READCHECK;
uint8_t resp[ICLASS_BUFFER_SIZE] = {0};
uint8_t read_status = 0;
// Send act_all
ReaderTransmitIClass_ext(act_all, 1, 330 + 160);
ReaderTransmitIClass_ext(act_all, 1, 330);
// Card present?
if (!ReaderReceiveIClass(resp)) return read_status;//Fail
@ -2316,8 +2306,8 @@ void iClass_Authentication_fast(uint64_t arg0, uint64_t arg1, uint8_t *datain) {
uint8_t resp[ICLASS_BUFFER_SIZE];
uint8_t readcheck_cc[] = { 0x80 | ICLASS_CMD_READCHECK, 0x02 };
if (use_credit_key == false)
readcheck_cc[0] |= 0x10;
if (use_credit_key)
readcheck_cc[0] = 0x10 | ICLASS_CMD_READCHECK;
// select card / e-purse
uint8_t card_data[6 * 8] = {0};