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nfc_initiator_transceive_bits() function does not now use pszRxBits as parameter because this function returns it.

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This commit is contained in:
Audrey Diacre 2012-01-04 15:30:42 +00:00
parent 61c3e5b814
commit 6e7092b160
9 changed files with 18 additions and 20 deletions
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9
libnfc/chips/pn53x.c
View file

@ -1110,11 +1110,12 @@ pn53x_initiator_select_dep_target(struct nfc_device *pnd,
int
pn53x_initiator_transceive_bits (struct nfc_device *pnd, const uint8_t *pbtTx, const size_t szTxBits,
const uint8_t *pbtTxPar, uint8_t *pbtRx, size_t *pszRxBits, uint8_t *pbtRxPar)
const uint8_t *pbtTxPar, uint8_t *pbtRx, uint8_t *pbtRxPar)
{
int res = 0;
size_t szFrameBits = 0;
size_t szFrameBytes = 0;
size_t szRxBits = 0;
uint8_t ui8rcc;
uint8_t ui8Bits = 0;
uint8_t abtCmd[PN53x_EXTENDED_FRAME__DATA_MAX_LEN] = { InCommunicateThru };
@ -1165,16 +1166,16 @@ pn53x_initiator_transceive_bits (struct nfc_device *pnd, const uint8_t *pbtTx, c
// Unwrap the response frame
if ((res = pn53x_unwrap_frame (abtRx + 1, szFrameBits, pbtRx, pbtRxPar)) < 0)
return res;
*pszRxBits = res;
szRxBits = res;
} else {
// Save the received bits
*pszRxBits = szFrameBits;
szRxBits = szFrameBits;
// Copy the received bytes
memcpy (pbtRx, abtRx + 1, szRx - 1);
}
}
// Everything went successful
return *pszRxBits;
return szRxBits;
}
int

3
libnfc/chips/pn53x.h
View file

@ -298,8 +298,7 @@ int pn53x_initiator_select_dep_target (struct nfc_device *pnd,
nfc_target *pnt,
const int timeout);
int pn53x_initiator_transceive_bits (struct nfc_device *pnd, const uint8_t *pbtTx, const size_t szTxBits,
const uint8_t *pbtTxPar, uint8_t *pbtRx, size_t *pszRxBits,
uint8_t *pbtRxPar);
const uint8_t *pbtTxPar, uint8_t *pbtRx, uint8_t *pbtRxPar);
int pn53x_initiator_transceive_bytes (struct nfc_device *pnd, const uint8_t *pbtTx, const size_t szTx,
uint8_t *pbtRx, size_t *pszRx, int timeout);
int pn53x_initiator_transceive_bits_timed (struct nfc_device *pnd, const uint8_t *pbtTx, const size_t szTxBits,

2
libnfc/nfc-internal.h
View file

@ -138,7 +138,7 @@ struct nfc_driver_t {
int (*initiator_select_dep_target) (struct nfc_device *pnd, const nfc_dep_mode ndm, const nfc_baud_rate nbr, const nfc_dep_info * pndiInitiator, nfc_target * pnt, const int timeout);
int (*initiator_deselect_target) (struct nfc_device *pnd);
int (*initiator_transceive_bytes) (struct nfc_device *pnd, const uint8_t * pbtTx, const size_t szTx, uint8_t * pbtRx, size_t * pszRx, int timeout);
int (*initiator_transceive_bits) (struct nfc_device *pnd, const uint8_t * pbtTx, const size_t szTxBits, const uint8_t * pbtTxPar, uint8_t * pbtRx, size_t * pszRxBits, uint8_t * pbtRxPar);
int (*initiator_transceive_bits) (struct nfc_device *pnd, const uint8_t * pbtTx, const size_t szTxBits, const uint8_t * pbtTxPar, uint8_t * pbtRx, uint8_t * pbtRxPar);
int (*initiator_transceive_bytes_timed) (struct nfc_device *pnd, const uint8_t * pbtTx, const size_t szTx, uint8_t * pbtRx, size_t * pszRx, uint32_t * cycles);
int (*initiator_transceive_bits_timed) (struct 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);

5
libnfc/nfc.c
View file

@ -527,7 +527,6 @@ nfc_initiator_transceive_bytes (nfc_device *pnd, const uint8_t *pbtTx, const siz
* nfc_initiator_transceive_bytes() function.
*
* @param[out] pbtRx response from the tag
* @param[out] pszRxBits \a pbtRx length in bits
* @param[out] pbtRxPar parameter contains a byte array of the corresponding parity bits
*
* The NFC device (configured as \e initiator) will transmit low-level messages
@ -539,9 +538,9 @@ nfc_initiator_transceive_bytes (nfc_device *pnd, const uint8_t *pbtTx, const siz
*/
int
nfc_initiator_transceive_bits (nfc_device *pnd, const uint8_t *pbtTx, const size_t szTxBits, const uint8_t *pbtTxPar,
uint8_t *pbtRx, size_t *pszRxBits, uint8_t *pbtRxPar)
uint8_t *pbtRx, uint8_t *pbtRxPar)
{
HAL (initiator_transceive_bits, pnd, pbtTx, szTxBits, pbtTxPar, pbtRx, pszRxBits, pbtRxPar);
HAL (initiator_transceive_bits, pnd, pbtTx, szTxBits, pbtTxPar, pbtRx, pbtRxPar);
}
/**