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rem: 'hf iclass' blocknum LUT is gone. Removed also functionality for it.

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This commit is contained in:
iceman1001 2018-01-29 16:44:49 +01:00
commit 50743b7e88
3 changed files with 4 additions and 28 deletions
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6
armsrc/iclass.c
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@ -1825,6 +1825,8 @@ void setupIclassReader() {
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
SpinDelay(300);
init_table(CRC_15_ICLASS);
// Start the timer
StartCountSspClk();
@ -2291,7 +2293,7 @@ out:
bool iClass_ReadBlock(uint8_t blockNo, uint8_t *readdata) {
uint8_t readcmd[] = {ICLASS_CMD_READ_OR_IDENTIFY, blockNo, 0x00, 0x00}; //0x88, 0x00 // can i use 0C?
uint16_t crc = iclass_crc16(readcmd+1, 1);
uint16_t crc = crc16_iclass(readcmd+1, 1);
readcmd[2] = crc >> 8;
readcmd[3] = crc & 0xff;
uint8_t resp[] = {0,0,0,0,0,0,0,0,0,0};
@ -2348,7 +2350,7 @@ void iClass_Dump(uint8_t blockno, uint8_t numblks) {
bool iClass_WriteBlock_ext(uint8_t blockNo, uint8_t *data) {
uint8_t write[] = { ICLASS_CMD_UPDATE, blockNo, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
memcpy(write+2, data, 12); // data + mac
uint16_t crc = iclass_crc16(write+1, 13);
uint16_t crc = crc16_iclass(write+1, 13);
write[14] = crc >> 8;
write[15] = crc & 0xff;
uint8_t resp[] = {0,0,0,0,0,0,0,0,0,0};

25
common/iso15693tools.c
View file

@ -51,28 +51,3 @@ char* Iso15693sprintUID(char *target, uint8_t *uid) {
);
return target;
}
uint16_t iclass_crc16(uint8_t *d, uint16_t n) {
unsigned int data;
uint16_t crc = 0xffff;
if (n == 0)
return (~crc);
do {
for (uint8_t i=0, data = *d++; i < 8; i++, data >>= 1) {
if ((crc & 0x0001) ^ (data & 0x0001))
crc = (crc >> 1) ^ ISO15_CRC_POLY;
else
crc >>= 1;
}
} while (--n);
crc = ~crc;
data = crc;
crc = (crc << 8) | (data >> 8 & 0xff);
crc = crc ^ 0xBC3;
return crc;
}

1
common/iso15693tools.h
View file

@ -77,7 +77,6 @@ int Iso15693AddCrc(uint8_t *d, size_t n);
bool Iso15693CheckCrc(uint8_t *d, size_t n);
char* Iso15693sprintUID(char *target, uint8_t *uid);
uint16_t iclass_crc16(uint8_t *d, uint16_t n);
//-----------------------------------------------------------------------------
// Map a sequence of octets (~layer 2 command) into the set of bits to feed