flipperzero-firmware/lib/ST25RFAL002/source/rfal_picopass.c

173 lines
4.7 KiB
C
Raw Normal View History

#include "rfal_picopass.h"
#include "utils.h"
typedef struct {
uint8_t CMD;
uint8_t CSN[RFAL_PICOPASS_UID_LEN];
} rfalPicoPassSelectReq;
typedef struct {
uint8_t CMD;
uint8_t null[4];
uint8_t mac[4];
} rfalPicoPassCheckReq;
ReturnCode rfalPicoPassPollerInitialize(void) {
ReturnCode ret;
EXIT_ON_ERR(ret, rfalSetMode(RFAL_MODE_POLL_PICOPASS, RFAL_BR_26p48, RFAL_BR_26p48));
rfalSetErrorHandling(RFAL_ERRORHANDLING_NFC);
rfalSetGT(RFAL_GT_PICOPASS);
rfalSetFDTListen(RFAL_FDT_LISTEN_PICOPASS_POLLER);
rfalSetFDTPoll(RFAL_FDT_POLL_PICOPASS_POLLER);
return ERR_NONE;
}
ReturnCode rfalPicoPassPollerCheckPresence(void) {
ReturnCode ret;
uint8_t txBuf[1] = {RFAL_PICOPASS_CMD_ACTALL};
uint8_t rxBuf[32] = {0};
uint16_t recvLen = 0;
uint32_t flags = RFAL_PICOPASS_TXRX_FLAGS;
uint32_t fwt = rfalConvMsTo1fc(20);
ret = rfalTransceiveBlockingTxRx(txBuf, 1, rxBuf, 32, &recvLen, flags, fwt);
return ret;
}
ReturnCode rfalPicoPassPollerIdentify(rfalPicoPassIdentifyRes* idRes) {
ReturnCode ret;
uint8_t txBuf[1] = {RFAL_PICOPASS_CMD_IDENTIFY};
uint16_t recvLen = 0;
uint32_t flags = RFAL_PICOPASS_TXRX_FLAGS;
uint32_t fwt = rfalConvMsTo1fc(20);
ret = rfalTransceiveBlockingTxRx(
txBuf,
sizeof(txBuf),
(uint8_t*)idRes,
sizeof(rfalPicoPassIdentifyRes),
&recvLen,
flags,
fwt);
// printf("identify rx: %d %s\n", recvLen, hex2Str(idRes->CSN, RFAL_PICOPASS_UID_LEN));
return ret;
}
ReturnCode rfalPicoPassPollerSelect(uint8_t* csn, rfalPicoPassSelectRes* selRes) {
ReturnCode ret;
rfalPicoPassSelectReq selReq;
selReq.CMD = RFAL_PICOPASS_CMD_SELECT;
ST_MEMCPY(selReq.CSN, csn, RFAL_PICOPASS_UID_LEN);
uint16_t recvLen = 0;
uint32_t flags = RFAL_PICOPASS_TXRX_FLAGS;
uint32_t fwt = rfalConvMsTo1fc(20);
ret = rfalTransceiveBlockingTxRx(
(uint8_t*)&selReq,
sizeof(rfalPicoPassSelectReq),
(uint8_t*)selRes,
sizeof(rfalPicoPassSelectRes),
&recvLen,
flags,
fwt);
// printf("select rx: %d %s\n", recvLen, hex2Str(selRes->CSN, RFAL_PICOPASS_UID_LEN));
if(ret == ERR_TIMEOUT) {
return ERR_NONE;
}
return ret;
}
ReturnCode rfalPicoPassPollerReadCheck(rfalPicoPassReadCheckRes* rcRes) {
ReturnCode ret;
uint8_t txBuf[2] = {RFAL_PICOPASS_CMD_READCHECK, 0x02};
uint16_t recvLen = 0;
uint32_t flags = RFAL_PICOPASS_TXRX_FLAGS;
uint32_t fwt = rfalConvMsTo1fc(20);
ret = rfalTransceiveBlockingTxRx(
txBuf,
sizeof(txBuf),
(uint8_t*)rcRes,
sizeof(rfalPicoPassReadCheckRes),
&recvLen,
flags,
fwt);
// printf("readcheck rx: %d %s\n", recvLen, hex2Str(rcRes->CCNR, 8));
if(ret == ERR_CRC) {
return ERR_NONE;
}
return ret;
}
ReturnCode rfalPicoPassPollerCheck(uint8_t* mac, rfalPicoPassCheckRes* chkRes) {
ReturnCode ret;
rfalPicoPassCheckReq chkReq;
chkReq.CMD = RFAL_PICOPASS_CMD_CHECK;
ST_MEMCPY(chkReq.mac, mac, 4);
ST_MEMSET(chkReq.null, 0, 4);
uint16_t recvLen = 0;
uint32_t flags = RFAL_PICOPASS_TXRX_FLAGS;
uint32_t fwt = rfalConvMsTo1fc(20);
// printf("check tx: %s\n", hex2Str((uint8_t *)&chkReq, sizeof(rfalPicoPassCheckReq)));
ret = rfalTransceiveBlockingTxRx(
(uint8_t*)&chkReq,
sizeof(rfalPicoPassCheckReq),
(uint8_t*)chkRes,
sizeof(rfalPicoPassCheckRes),
&recvLen,
flags,
fwt);
// printf("check rx: %d %s\n", recvLen, hex2Str(chkRes->mac, 4));
if(ret == ERR_CRC) {
return ERR_NONE;
}
return ret;
}
ReturnCode rfalPicoPassPollerReadBlock(uint8_t blockNum, rfalPicoPassReadBlockRes* readRes) {
ReturnCode ret;
/*
* ./reveng -w 16 -s 0c07cc47 0c064556 0c083bbf 0c09b2ae
width=16 poly=0x1021 init=0xd924 refin=true refout=true xorout=0x0000 check=0x1329 residue=0x0000 name=(none)
0c 06 45 56
0c 07 cc 47
0c 08 3b bf
0c 09 b2 ae
*/
uint8_t readCmds[4][4] = {
{RFAL_PICOPASS_CMD_READ, 6, 0x45, 0x56},
{RFAL_PICOPASS_CMD_READ, 7, 0xcc, 0x47},
{RFAL_PICOPASS_CMD_READ, 8, 0x3b, 0xbf},
{RFAL_PICOPASS_CMD_READ, 9, 0xb2, 0xae}};
uint8_t* txBuf = readCmds[blockNum - 6];
uint16_t recvLen = 0;
uint32_t flags = RFAL_PICOPASS_TXRX_FLAGS;
uint32_t fwt = rfalConvMsTo1fc(20);
ret = rfalTransceiveBlockingTxRx(
txBuf,
sizeof(txBuf),
(uint8_t*)readRes,
sizeof(rfalPicoPassReadBlockRes),
&recvLen,
flags,
fwt);
// printf("check rx: %d %s\n", recvLen, hex2Str(readRes->data, RFAL_PICOPASS_MAX_BLOCK_LEN));
return ret;
}