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fix send frame, some config bytes from tag, use global dbg level

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This commit is contained in:
bosb 2020-02-29 18:35:56 +01:00
parent 33ba0c6f36
commit 05dc1f7e5f
1 changed files with 46 additions and 13 deletions
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59
armsrc/hitagS.c
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@ -86,7 +86,7 @@ bool end = false;
#define HITAG_T_TAG_CAPTURE_THREE_HALF 41
#define HITAG_T_TAG_CAPTURE_FOUR_HALF 57
#define DEBUG 0
#define DBGLEVEL 4
/*
* Implementation of the crc8 calculation from Hitag S
@ -207,6 +207,22 @@ static void hitag_send_bit(int bit) {
}
static void hitag_send_frame(const uint8_t *frame, size_t frame_len) {
// The beginning of the frame is hidden in some high level; pause until our bits come out
AT91C_BASE_TC0->TC_CCR = AT91C_TC_SWTRG;
HIGH(GPIO_SSC_DOUT);
switch (m) {
case AC4K:
while (AT91C_BASE_TC0->TC_CV < T0 * 40) {}; //FADV
break;
case AC2K:
while (AT91C_BASE_TC0->TC_CV < T0 * 20) {}; //STD + ADV
break;
case MC4K:
break;
case MC8K:
break;
}
// SOF - send start of frame
for (size_t i = 0; i < sof_bits; i++) {
hitag_send_bit(1);
@ -318,20 +334,28 @@ static void hitagS_handle_reader_command(uint8_t *rx, const size_t rxlen,
switch (rxlen) {
case 5: {
//UID request with a selected response protocol mode
if (DBGLEVEL >= DBG_EXTENDED)
Dbprintf("...UID req %i %02x", rxlen, rx[0]);
tag.pstate = HT_READY;
tag.tstate = HT_NO_OP;
if ((rx[0] & 0xf0) == 0x30) {
if (DBGLEVEL >= DBG_EXTENDED)
Dbprintf("HT_STANDARD");
tag.mode = HT_STANDARD;
sof_bits = 1;
m = AC2K;
}
if ((rx[0] & 0xf0) == 0xc0) {
tag.mode = HT_ADVANCED;
if (DBGLEVEL >= DBG_EXTENDED)
Dbprintf("HT_ADVANCED");
sof_bits = 3;
m = AC2K;
}
if ((rx[0] & 0xf0) == 0xd0) {
if (DBGLEVEL >= DBG_EXTENDED)
Dbprintf("HT_FAST_ADVANCED");
tag.mode = HT_FAST_ADVANCED;
sof_bits = 3;
m = AC4K;
@ -344,7 +368,9 @@ static void hitagS_handle_reader_command(uint8_t *rx, const size_t rxlen,
break;
case 45: {
//select command from reader received
DbpString("...select");
if (check_select(rx, tag.uid) == 1) {
DbpString("...select match");
//if the right tag was selected
*txlen = 32;
switch (tag.mode) {
@ -366,7 +392,7 @@ static void hitagS_handle_reader_command(uint8_t *rx, const size_t rxlen,
//send configuration
for (int i = 0; i < 4; i++)
tx[i] = (tag.pages[0][1] >> (i * 8)) & 0xff;
tx[i] = tag.pages[1][i];
tx[3] = 0xff;
if (tag.mode != HT_STANDARD) {
*txlen = 40;
@ -439,6 +465,7 @@ static void hitagS_handle_reader_command(uint8_t *rx, const size_t rxlen,
*/
}
case 40:
Dbprintf("....write");
//data received to be written
if (tag.tstate == HT_WRITING_PAGE_DATA) {
tag.tstate = HT_NO_OP;
@ -495,6 +522,7 @@ static void hitagS_handle_reader_command(uint8_t *rx, const size_t rxlen,
}
break;
case 20: {
Dbprintf("....read");
//write page, write block, read page or read block command received
if ((rx[0] & 0xf0) == 0xc0) { //read page
//send page data
@ -644,7 +672,11 @@ static void hitagS_handle_reader_command(uint8_t *rx, const size_t rxlen,
}
break;
default:
if (DBGLEVEL >= DBG_EXTENDED) {
Dbprintf("rxlen: %i", rxlen);
for (int i = 0; i < 4; i++)
Dbprintf("%i: %02X",i,rx[i]);
}
break;
}
}
@ -722,7 +754,7 @@ static int hitagS_handle_tag_auth(hitag_function htf, uint64_t key, uint64_t NrA
| (uid[30] << 1)
| uid[31];
if (DEBUG)
if (DBGLEVEL >= DBG_EXTENDED)
Dbprintf("UID: %02X %02X %02X %02X", uid1, uid2, uid3, uid4);
tag.uid = (uid4 << 24 | uid3 << 16 | uid2 << 8 | uid1);
@ -816,7 +848,7 @@ static int hitagS_handle_tag_auth(hitag_function htf, uint64_t key, uint64_t NrA
tag.LCK1 = response_bit[26];
tag.LCK0 = response_bit[27];
if (DEBUG)
if (DBGLEVEL >= DBG_EXTENDED)
Dbprintf("conf0: %02X conf1: %02X conf2: %02X", conf_pages[0], conf_pages[1], conf_pages[2]);
if (tag.auth == 1) {
@ -839,7 +871,7 @@ static int hitagS_handle_tag_auth(hitag_function htf, uint64_t key, uint64_t NrA
tx[5] = auth_ks[1];
tx[6] = auth_ks[2];
tx[7] = auth_ks[3];
if (DEBUG)
if (DBGLEVEL >= DBG_EXTENDED)
Dbprintf("%02X %02X %02X %02X %02X %02X %02X %02X", tx[0],
tx[1], tx[2], tx[3], tx[4], tx[5], tx[6], tx[7]);
} else if (htf == 01 || htf == 03) { //RHTS_CHALLENGE //WHTS_CHALLENGE
@ -864,7 +896,7 @@ static int hitagS_handle_tag_auth(hitag_function htf, uint64_t key, uint64_t NrA
calc_crc(&crc, ((rx[1] & 0x0f) * 16 + ((rx[2] & 0xf0) / 16)), 8);
calc_crc(&crc, ((rx[2] & 0x0f) * 16 + ((rx[3] & 0xf0) / 16)), 8);
calc_crc(&crc, ((rx[3] & 0x0f) * 16 + ((rx[4] & 0xf0) / 16)), 8);
if (DEBUG) {
if (DBGLEVEL >= DBG_EXTENDED) {
Dbprintf("UID:::%X", tag.uid);
Dbprintf("RND:::%X", rnd);
}
@ -884,7 +916,7 @@ static int hitagS_handle_tag_auth(hitag_function htf, uint64_t key, uint64_t NrA
pwdl1 = ((rx[3] & 0x0f) * 16 + ((rx[4] & 0xf0) / 16)) ^ _hitag2_byte(&state);
}
if (DEBUG)
if (DBGLEVEL >= DBG_EXTENDED)
Dbprintf("pwdh0 %02X pwdl0 %02X pwdl1 %02X", pwdh0, pwdl0, pwdl1);
//Dbprintf("%X %02X", rnd, ((rx[4] & 0x0f) * 16) + ((rx[5] & 0xf0) / 16));
@ -941,12 +973,12 @@ void SimulateHitagSTag(bool tag_mem_supplied, uint8_t *data) {
}
tag.uid = (tag.pages[0][3] << 24 | tag.pages[0][2] << 16 | tag.pages[0][1] << 8 | tag.pages[0][0]);
tag.key = (intptr_t)tag.pages[3];
tag.key = (tag.pages[3][3] << 24 | tag.pages[3][2] << 16 | tag.pages[3][1] << 8 | tag.pages[3][0]);
tag.key <<= 16;
tag.key += ((tag.pages[2][0]) << 8) + tag.pages[2][1];
tag.pwdl0 = tag.pages[2][3];
tag.pwdl1 = tag.pages[2][2];
tag.pwdh0 = tag.pages[1][0];
tag.key += ((tag.pages[2][3]) << 8) + tag.pages[2][2];
tag.pwdl0 = tag.pages[2][0];
tag.pwdl1 = tag.pages[2][1];
tag.pwdh0 = tag.pages[1][3];
//con0
tag.max_page = 64;
if ((tag.pages[1][3] & 0x2) == 0 && (tag.pages[1][3] & 0x1) == 1)
@ -1114,6 +1146,7 @@ void SimulateHitagSTag(bool tag_mem_supplied, uint8_t *data) {
overflow += (AT91C_BASE_TC1->TC_CV / T0);
// Reset the timer to restart while-loop that receives frames
AT91C_BASE_TC1->TC_CCR = AT91C_TC_SWTRG;
}
LEDsoff();