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Timeout is now integer.

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This commit is contained in:
Audrey Diacre 2011-11-25 11:37:30 +00:00
parent dad3603936
commit 5c7454a2f7
29 changed files with 133 additions and 145 deletions
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87
libnfc/chips/pn53x.c
View file

@ -100,7 +100,7 @@ pn53x_reset_settings(nfc_device * pnd)
}
bool
pn53x_transceive (nfc_device * pnd, const uint8_t * pbtTx, const size_t szTx, uint8_t * pbtRx, size_t *pszRx, struct timeval *timeout)
pn53x_transceive (nfc_device * pnd, const uint8_t * pbtTx, const size_t szTx, uint8_t * pbtRx, size_t *pszRx, int timeout)
{
if (CHIP_DATA (pnd)->wb_trigged) {
if (!pn53x_writeback_register (pnd)) {
@ -109,8 +109,8 @@ pn53x_transceive (nfc_device * pnd, const uint8_t * pbtTx, const size_t szTx, ui
}
PNCMD_TRACE (pbtTx[0]);
if (timeout)
log_put (LOG_CATEGORY, NFC_PRIORITY_TRACE, "Timeout values: %li s, %li us", timeout->tv_sec, timeout->tv_usec);
if (timeout > 0)
log_put (LOG_CATEGORY, NFC_PRIORITY_TRACE, "Timeout values: %d", timeout);
uint8_t abtRx[PN53x_EXTENDED_FRAME__DATA_MAX_LEN];
size_t szRx = sizeof(abtRx);
@ -469,7 +469,7 @@ pn53x_ReadRegister (nfc_device * pnd, uint16_t ui16RegisterAddress, uint8_t * ui
size_t szRegValue = sizeof (abtRegValue);
PNREG_TRACE (ui16RegisterAddress);
if (!pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), abtRegValue, &szRegValue, NULL)) {
if (!pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), abtRegValue, &szRegValue, 0)) {
return false;
}
if (CHIP_DATA(pnd)->type == PN533) {
@ -491,7 +491,7 @@ pn53x_WriteRegister (nfc_device * pnd, const uint16_t ui16RegisterAddress, const
{
uint8_t abtCmd[] = { WriteRegister, ui16RegisterAddress >> 8, ui16RegisterAddress & 0xff, ui8Value };
PNREG_TRACE (ui16RegisterAddress);
return pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), NULL, NULL, NULL);
return pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), NULL, NULL, 0);
}
bool
@ -543,7 +543,7 @@ pn53x_writeback_register (nfc_device * pnd)
uint8_t abtRes[PN53x_EXTENDED_FRAME__DATA_MAX_LEN];
size_t szRes = sizeof(abtRes);
// It transceives the previously constructed ReadRegister command
if (!pn53x_transceive (pnd, abtReadRegisterCmd, BUFFER_SIZE (abtReadRegisterCmd), abtRes, &szRes, NULL)) {
if (!pn53x_transceive (pnd, abtReadRegisterCmd, BUFFER_SIZE (abtReadRegisterCmd), abtRes, &szRes, 0)) {
return false;
}
size_t i = 0;
@ -581,7 +581,7 @@ pn53x_writeback_register (nfc_device * pnd)
if (BUFFER_SIZE (abtWriteRegisterCmd) > 1) {
// We need to write some registers
if (!pn53x_transceive (pnd, abtWriteRegisterCmd, BUFFER_SIZE (abtWriteRegisterCmd), NULL, NULL, NULL)) {
if (!pn53x_transceive (pnd, abtWriteRegisterCmd, BUFFER_SIZE (abtWriteRegisterCmd), NULL, NULL, 0)) {
return false;
}
}
@ -594,7 +594,7 @@ pn53x_get_firmware_version (nfc_device * pnd, char abtFirmwareText[22])
const uint8_t abtCmd[] = { GetFirmwareVersion };
uint8_t abtFw[4];
size_t szFwLen = sizeof (abtFw);
if (!pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), abtFw, &szFwLen, NULL)) {
if (!pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), abtFw, &szFwLen, 0)) {
return false;
}
// Determine which version of chip it is: PN531 will return only 2 bytes, while others return 4 bytes and have the first to tell the version IC
@ -832,11 +832,7 @@ pn53x_check_communication (nfc_device *pnd)
uint8_t abtRx[sizeof(abtExpectedRx)];
size_t szRx = sizeof (abtRx);
struct timeval timeout;
timeout.tv_sec = 1;
timeout.tv_usec = 0;
if (!pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), abtRx, &szRx, &timeout))
if (!pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), abtRx, &szRx, 1000))
return false;
return ((sizeof(abtExpectedRx) == szRx) && (0 == memcmp (abtRx, abtExpectedRx, sizeof(abtExpectedRx))));
@ -860,7 +856,7 @@ pn53x_initiator_select_passive_target_ext (nfc_device * pnd,
const nfc_modulation nm,
const uint8_t * pbtInitData, const size_t szInitData,
nfc_target * pnt,
struct timeval* timeout)
int timeout)
{
uint8_t abtTargetsData[PN53x_EXTENDED_FRAME__DATA_MAX_LEN];
size_t szTargetsData = sizeof(abtTargetsData);
@ -971,7 +967,7 @@ pn53x_initiator_select_passive_target (nfc_device * pnd,
const uint8_t * pbtInitData, const size_t szInitData,
nfc_target * pnt)
{
return pn53x_initiator_select_passive_target_ext (pnd, nm, pbtInitData, szInitData, pnt, NULL);
return pn53x_initiator_select_passive_target_ext (pnd, nm, pbtInitData, szInitData, pnt, 0);
}
bool
@ -1024,11 +1020,8 @@ pn53x_initiator_poll_target (nfc_device * pnd,
size_t szInitiatorData;
prepare_initiator_data (pnmModulations[n], &pbtInitiatorData, &szInitiatorData);
const int timeout_ms = uiPeriod * 150;
struct timeval timeout;
timeout.tv_sec = timeout_ms / 1000;
timeout.tv_usec = (timeout_ms - (timeout.tv_sec * 1000)) * 1000;
if (!pn53x_initiator_select_passive_target_ext (pnd, pnmModulations[n], pbtInitiatorData, szInitiatorData, pnt, &timeout)) {
if (!pn53x_initiator_select_passive_target_ext (pnd, pnmModulations[n], pbtInitiatorData, szInitiatorData, pnt, timeout_ms)) {
if (pnd->iLastError != ECOMTIMEOUT)
return false;
} else {
@ -1105,7 +1098,7 @@ pn53x_initiator_transceive_bits (nfc_device * pnd, const uint8_t * pbtTx, const
// We have to give the amount of bytes + (the command byte 0x42)
uint8_t abtRx[PN53x_EXTENDED_FRAME__DATA_MAX_LEN];
size_t szRx = sizeof(abtRx);
if (!pn53x_transceive (pnd, abtCmd, szFrameBytes + 1, abtRx, &szRx, NULL))
if (!pn53x_transceive (pnd, abtCmd, szFrameBytes + 1, abtRx, &szRx, 0))
return false;
// Get the last bit-count that is stored in the received byte
@ -1135,7 +1128,7 @@ pn53x_initiator_transceive_bits (nfc_device * pnd, const uint8_t * pbtTx, const
bool
pn53x_initiator_transceive_bytes (nfc_device * pnd, const uint8_t * pbtTx, const size_t szTx, uint8_t * pbtRx,
size_t * pszRx, struct timeval *timeout)
size_t * pszRx, int timeout)
{
size_t szExtraTxLen;
uint8_t abtCmd[PN53x_EXTENDED_FRAME__DATA_MAX_LEN];
@ -1222,7 +1215,7 @@ uint32_t __pn53x_get_timer(nfc_device * pnd, const uint8_t last_cmd_byte)
uint8_t abtRes[PN53x_EXTENDED_FRAME__DATA_MAX_LEN];
size_t szRes = sizeof(abtRes);
// Let's send the previously constructed ReadRegister command
if (!pn53x_transceive (pnd, abtReadRegisterCmd, BUFFER_SIZE (abtReadRegisterCmd), abtRes, &szRes, NULL)) {
if (!pn53x_transceive (pnd, abtReadRegisterCmd, BUFFER_SIZE (abtReadRegisterCmd), abtRes, &szRes, 0)) {
return false;
}
counter_hi = abtRes[off];
@ -1312,7 +1305,7 @@ pn53x_initiator_transceive_bits_timed (nfc_device * pnd, const uint8_t * pbtTx,
BUFFER_APPEND (abtWriteRegisterCmd, PN53X_REG_CIU_BitFraming & 0xff);
BUFFER_APPEND (abtWriteRegisterCmd, SYMBOL_START_SEND | ((szTxBits % 8) & SYMBOL_TX_LAST_BITS));
// Let's send the previously constructed WriteRegister command
if (!pn53x_transceive (pnd, abtWriteRegisterCmd, BUFFER_SIZE (abtWriteRegisterCmd), NULL, NULL, NULL)) {
if (!pn53x_transceive (pnd, abtWriteRegisterCmd, BUFFER_SIZE (abtWriteRegisterCmd), NULL, NULL, 0)) {
return false;
}
@ -1344,7 +1337,7 @@ pn53x_initiator_transceive_bits_timed (nfc_device * pnd, const uint8_t * pbtTx,
uint8_t abtRes[PN53x_EXTENDED_FRAME__DATA_MAX_LEN];
size_t szRes = sizeof(abtRes);
// Let's send the previously constructed ReadRegister command
if (!pn53x_transceive (pnd, abtReadRegisterCmd, BUFFER_SIZE (abtReadRegisterCmd), abtRes, &szRes, NULL)) {
if (!pn53x_transceive (pnd, abtReadRegisterCmd, BUFFER_SIZE (abtReadRegisterCmd), abtRes, &szRes, 0)) {
return false;
}
for (i = 0; i < sz; i++) {
@ -1407,7 +1400,7 @@ pn53x_initiator_transceive_bytes_timed (nfc_device * pnd, const uint8_t * pbtTx,
BUFFER_APPEND (abtWriteRegisterCmd, PN53X_REG_CIU_BitFraming & 0xff);
BUFFER_APPEND (abtWriteRegisterCmd, SYMBOL_START_SEND);
// Let's send the previously constructed WriteRegister command
if (!pn53x_transceive (pnd, abtWriteRegisterCmd, BUFFER_SIZE (abtWriteRegisterCmd), NULL, NULL, NULL)) {
if (!pn53x_transceive (pnd, abtWriteRegisterCmd, BUFFER_SIZE (abtWriteRegisterCmd), NULL, NULL, 0)) {
return false;
}
@ -1439,7 +1432,7 @@ pn53x_initiator_transceive_bytes_timed (nfc_device * pnd, const uint8_t * pbtTx,
uint8_t abtRes[PN53x_EXTENDED_FRAME__DATA_MAX_LEN];
size_t szRes = sizeof(abtRes);
// Let's send the previously constructed ReadRegister command
if (!pn53x_transceive (pnd, abtReadRegisterCmd, BUFFER_SIZE (abtReadRegisterCmd), abtRes, &szRes, NULL)) {
if (!pn53x_transceive (pnd, abtReadRegisterCmd, BUFFER_SIZE (abtReadRegisterCmd), abtRes, &szRes, 0)) {
return false;
}
for (i = 0; i < sz; i++) {
@ -1703,7 +1696,7 @@ pn53x_target_receive_bits (nfc_device * pnd, uint8_t * pbtRx, size_t * pszRxBits
uint8_t abtRx[PN53x_EXTENDED_FRAME__DATA_MAX_LEN];
size_t szRx = sizeof (abtRx);
// Try to gather a received frame from the reader
if (!pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), abtRx, &szRx, NULL))
if (!pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), abtRx, &szRx, 0))
return false;
// Get the last bit-count that is stored in the received byte
@ -1731,7 +1724,7 @@ pn53x_target_receive_bits (nfc_device * pnd, uint8_t * pbtRx, size_t * pszRxBits
}
bool
pn53x_target_receive_bytes (nfc_device * pnd, uint8_t * pbtRx, size_t * pszRx, struct timeval *timeout)
pn53x_target_receive_bytes (nfc_device * pnd, uint8_t * pbtRx, size_t * pszRx, int timeout)
{
uint8_t abtCmd[1];
@ -1810,7 +1803,7 @@ pn53x_target_send_bits (nfc_device * pnd, const uint8_t * pbtTx, const size_t sz
return false;
// Try to send the bits to the reader
if (!pn53x_transceive (pnd, abtCmd, szFrameBytes + 1, NULL, NULL, NULL))
if (!pn53x_transceive (pnd, abtCmd, szFrameBytes + 1, NULL, NULL, 0))
return false;
// Everyting seems ok, return true
@ -1818,7 +1811,7 @@ pn53x_target_send_bits (nfc_device * pnd, const uint8_t * pbtTx, const size_t sz
}
bool
pn53x_target_send_bytes (nfc_device * pnd, const uint8_t * pbtTx, const size_t szTx, struct timeval *timeout)
pn53x_target_send_bytes (nfc_device * pnd, const uint8_t * pbtTx, const size_t szTx, int timeout)
{
uint8_t abtCmd[PN53x_EXTENDED_FRAME__DATA_MAX_LEN];
@ -1936,7 +1929,7 @@ bool
pn53x_RFConfiguration__RF_field (nfc_device * pnd, bool bEnable)
{
uint8_t abtCmd[] = { RFConfiguration, RFCI_FIELD, (bEnable) ? 0x01 : 0x00 };
return pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), NULL, NULL, NULL);
return pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), NULL, NULL, 0);
}
bool
@ -1949,7 +1942,7 @@ pn53x_RFConfiguration__Various_timings (nfc_device * pnd, const uint8_t fATR_RES
fATR_RES_Timeout, // ATR_RES timeout (default: 0x0B 102.4 ms)
fRetryTimeout // TimeOut during non-DEP communications (default: 0x0A 51.2 ms)
};
return pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), NULL, NULL, NULL);
return pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), NULL, NULL, 0);
}
bool
@ -1960,7 +1953,7 @@ pn53x_RFConfiguration__MaxRtyCOM (nfc_device * pnd, const uint8_t MaxRtyCOM)
RFCI_RETRY_DATA,
MaxRtyCOM // MaxRtyCOM, default: 0x00 (no retry, only one try), inifite: 0xff
};
return pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), NULL, NULL, NULL);
return pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), NULL, NULL, 0);
}
bool
@ -1974,7 +1967,7 @@ pn53x_RFConfiguration__MaxRetries (nfc_device * pnd, const uint8_t MxRtyATR, con
MxRtyPSL, // MxRtyPSL, default: 0x01
MxRtyPassiveActivation // MxRtyPassiveActivation, default: 0xff (0x00 leads to problems with PN531)
};
return pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), NULL, NULL, NULL);
return pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), NULL, NULL, 0);
}
bool
@ -1982,7 +1975,7 @@ pn53x_SetParameters (nfc_device * pnd, const uint8_t ui8Value)
{
uint8_t abtCmd[] = { SetParameters, ui8Value };
if(!pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), NULL, NULL, NULL)) {
if(!pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), NULL, NULL, 0)) {
return false;
}
// We save last parameters in register cache
@ -1991,7 +1984,7 @@ pn53x_SetParameters (nfc_device * pnd, const uint8_t ui8Value)
}
bool
pn53x_SAMConfiguration (nfc_device * pnd, const pn532_sam_mode ui8Mode, struct timeval *timeout)
pn53x_SAMConfiguration (nfc_device * pnd, const pn532_sam_mode ui8Mode, int timeout)
{
uint8_t abtCmd[] = { SAMConfiguration, ui8Mode, 0x00, 0x00 };
size_t szCmd = sizeof(abtCmd);
@ -2023,7 +2016,7 @@ bool
pn53x_PowerDown (nfc_device * pnd)
{
uint8_t abtCmd[] = { PowerDown, 0xf0 };
return (pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), NULL, NULL, NULL));
return (pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), NULL, NULL, 0));
}
/**
@ -2045,7 +2038,7 @@ pn53x_InListPassiveTarget (nfc_device * pnd,
const pn53x_modulation pmInitModulation, const uint8_t szMaxTargets,
const uint8_t * pbtInitiatorData, const size_t szInitiatorData,
uint8_t * pbtTargetsData, size_t * pszTargetsData,
struct timeval* timeout)
int timeout)
{
uint8_t abtCmd[15] = { InListPassiveTarget };
@ -2101,7 +2094,7 @@ pn53x_InDeselect (nfc_device * pnd, const uint8_t ui8Target)
uint8_t abtStatus[PN53x_EXTENDED_FRAME__DATA_MAX_LEN];
size_t szStatus = sizeof(abtStatus);
uint8_t abtCmdGetStatus[] = { GetGeneralStatus };
if (!pn53x_transceive (pnd, abtCmdGetStatus, sizeof (abtCmdGetStatus), abtStatus, &szStatus, NULL)) {
if (!pn53x_transceive (pnd, abtCmdGetStatus, sizeof (abtCmdGetStatus), abtStatus, &szStatus, 0)) {
return false;
}
if ((szStatus < 3) || (abtStatus[2] == 0)) {
@ -2109,10 +2102,10 @@ pn53x_InDeselect (nfc_device * pnd, const uint8_t ui8Target)
}
// No much choice what to deselect actually...
uint8_t abtCmdRcs360[] = { InDeselect, 0x01, 0x01 };
return (pn53x_transceive (pnd, abtCmdRcs360, sizeof (abtCmdRcs360), NULL, NULL, NULL));
return (pn53x_transceive (pnd, abtCmdRcs360, sizeof (abtCmdRcs360), NULL, NULL, 0));
}
uint8_t abtCmd[] = { InDeselect, ui8Target };
return (pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), NULL, NULL, NULL));
return (pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), NULL, NULL, 0));
}
bool
@ -2123,7 +2116,7 @@ pn53x_InRelease (nfc_device * pnd, const uint8_t ui8Target)
uint8_t abtStatus[PN53x_EXTENDED_FRAME__DATA_MAX_LEN];
size_t szStatus = sizeof(abtStatus);
uint8_t abtCmdGetStatus[] = { GetGeneralStatus };
if (!pn53x_transceive (pnd, abtCmdGetStatus, sizeof (abtCmdGetStatus), abtStatus, &szStatus, NULL)) {
if (!pn53x_transceive (pnd, abtCmdGetStatus, sizeof (abtCmdGetStatus), abtStatus, &szStatus, 0)) {
return false;
}
if ((szStatus < 3) || (abtStatus[2] == 0)) {
@ -2131,10 +2124,10 @@ pn53x_InRelease (nfc_device * pnd, const uint8_t ui8Target)
}
// No much choice what to release actually...
uint8_t abtCmdRcs360[] = { InRelease, 0x01, 0x01 };
return (pn53x_transceive (pnd, abtCmdRcs360, sizeof (abtCmdRcs360), NULL, NULL, NULL));
return (pn53x_transceive (pnd, abtCmdRcs360, sizeof (abtCmdRcs360), NULL, NULL, 0));
}
uint8_t abtCmd[] = { InRelease, ui8Target };
return (pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), NULL, NULL, NULL));
return (pn53x_transceive (pnd, abtCmd, sizeof (abtCmd), NULL, NULL, 0));
}
bool
@ -2157,7 +2150,7 @@ pn53x_InAutoPoll (nfc_device * pnd,
uint8_t abtRx[PN53x_EXTENDED_FRAME__DATA_MAX_LEN];
size_t szRx = sizeof(abtRx);
bool res = pn53x_transceive (pnd, abtCmd, szTxInAutoPoll, abtRx, &szRx, NULL);
bool res = pn53x_transceive (pnd, abtCmd, szTxInAutoPoll, abtRx, &szRx, 0);
if (res == false) {
return false;
@ -2266,7 +2259,7 @@ pn53x_InJumpForDEP (nfc_device * pnd,
uint8_t abtRx[PN53x_EXTENDED_FRAME__DATA_MAX_LEN];
size_t szRx = sizeof (abtRx);
// Try to find a target, call the transceive callback function of the current device
if (!pn53x_transceive (pnd, abtCmd, offset, abtRx, &szRx, NULL))
if (!pn53x_transceive (pnd, abtCmd, offset, abtRx, &szRx, 0))
return false;
// Make sure one target has been found, the PN53X returns 0x00 if none was available
@ -2347,7 +2340,7 @@ pn53x_TgInitAsTarget (nfc_device * pnd, pn53x_target_mode ptm,
// Request the initialization as a target
uint8_t abtRx[PN53x_EXTENDED_FRAME__DATA_MAX_LEN];
size_t szRx = sizeof (abtRx);
if (!pn53x_transceive (pnd, abtCmd, 36 + szOptionalBytes, abtRx, &szRx, NULL))
if (!pn53x_transceive (pnd, abtCmd, 36 + szOptionalBytes, abtRx, &szRx, 0))
return false;
// Note: the first byte is skip:

16
libnfc/chips/pn53x.h
View file

@ -127,8 +127,8 @@ typedef enum {
} pn53x_operating_mode;
struct pn53x_io {
bool (*send)(nfc_device * pnd, const uint8_t * pbtData, const size_t szData, struct timeval *timeout);
int (*receive)(nfc_device * pnd, uint8_t * pbtData, const size_t szDataLen, struct timeval *timeout);
bool (*send)(nfc_device * pnd, const uint8_t * pbtData, const size_t szData, int timeout);
int (*receive)(nfc_device * pnd, uint8_t * pbtData, const size_t szDataLen, int timeout);
};
/* defines */
@ -256,7 +256,7 @@ extern const uint8_t pn53x_ack_frame[6];
extern const uint8_t pn53x_nack_frame[6];
bool pn53x_init(nfc_device * pnd);
bool pn53x_transceive (nfc_device * pnd, const uint8_t * pbtTx, const size_t szTx, uint8_t * pbtRx, size_t *pszRx, struct timeval *timeout);
bool pn53x_transceive (nfc_device * pnd, const uint8_t * pbtTx, const size_t szTx, uint8_t * pbtRx, size_t *pszRx, int timeout);
bool pn53x_set_parameters (nfc_device * pnd, const uint8_t ui8Value, const bool bEnable);
bool pn53x_set_tx_bits (nfc_device * pnd, const uint8_t ui8Bits);
@ -292,7 +292,7 @@ bool pn53x_initiator_transceive_bits (nfc_device * pnd, const uint8_t * pbtTx
const uint8_t * pbtTxPar, uint8_t * pbtRx, size_t * pszRxBits,
uint8_t * pbtRxPar);
bool pn53x_initiator_transceive_bytes (nfc_device * pnd, const uint8_t * pbtTx, const size_t szTx,
uint8_t * pbtRx, size_t * pszRx, struct timeval *timeout);
uint8_t * pbtRx, size_t * pszRx, int timeout);
bool pn53x_initiator_transceive_bits_timed (nfc_device * pnd, const uint8_t * pbtTx, const size_t szTxBits,
const uint8_t * pbtTxPar, uint8_t * pbtRx, size_t * pszRxBits,
uint8_t * pbtRxPar, uint32_t * cycles);
@ -303,21 +303,21 @@ bool pn53x_initiator_deselect_target (nfc_device * pnd);
// NFC device as Target functions
bool pn53x_target_init (nfc_device * pnd, nfc_target * pnt, uint8_t * pbtRx, size_t * pszRx);
bool pn53x_target_receive_bits (nfc_device * pnd, uint8_t * pbtRx, size_t * pszRxBits, uint8_t * pbtRxPar);
bool pn53x_target_receive_bytes (nfc_device * pnd, uint8_t * pbtRx, size_t * pszRx, struct timeval *timeout);
bool pn53x_target_receive_bytes (nfc_device * pnd, uint8_t * pbtRx, size_t * pszRx, int timeout);
bool pn53x_target_send_bits (nfc_device * pnd, const uint8_t * pbtTx, const size_t szTxBits, const uint8_t * pbtTxPar);
bool pn53x_target_send_bytes (nfc_device * pnd, const uint8_t * pbtTx, const size_t szTx, struct timeval *timeout);
bool pn53x_target_send_bytes (nfc_device * pnd, const uint8_t * pbtTx, const size_t szTx, int timeout);
// Error handling functions
const char *pn53x_strerror (const nfc_device * pnd);
// C wrappers for PN53x commands
bool pn53x_SetParameters (nfc_device * pnd, const uint8_t ui8Value);
bool pn53x_SAMConfiguration (nfc_device * pnd, const pn532_sam_mode mode, struct timeval *timeout);
bool pn53x_SAMConfiguration (nfc_device * pnd, const pn532_sam_mode mode, int timeout);
bool pn53x_PowerDown (nfc_device * pnd);
bool pn53x_InListPassiveTarget (nfc_device * pnd, const pn53x_modulation pmInitModulation,
const uint8_t szMaxTargets, const uint8_t * pbtInitiatorData,
const size_t szInitiatorDataLen, uint8_t * pbtTargetsData, size_t * pszTargetsData,
struct timeval *timeout);
int timeout);
bool pn53x_InDeselect (nfc_device * pnd, const uint8_t ui8Target);
bool pn53x_InRelease (nfc_device * pnd, const uint8_t ui8Target);
bool pn53x_InAutoPoll (nfc_device * pnd, const pn53x_target_type * ppttTargetTypes, const size_t szTargetTypes,