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New internal API function: pn53x_target_send_dep_bytes().

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This commit is contained in:
Romain Tartiere 2010-08-24 10:13:09 +00:00
parent 3d69c8b694
commit 7f698431b7
3 changed files with 24 additions and 18 deletions
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21
libnfc/chips/pn53x.c
View file

@ -891,3 +891,24 @@ bool pn53x_target_receive_dep_bytes(nfc_device_t* pnd, byte_t* pbtRx, size_t* ps
// Everyting seems ok, return true // Everyting seems ok, return true
return true; return true;
} }
bool pn53x_target_send_dep_bytes(nfc_device_t* pnd, const byte_t* pbtTx, const size_t szTxLen)
{
byte_t abtCmd[sizeof(pncmd_target_set_data)];
pnd->iLastError = 0;
memcpy(abtCmd,pncmd_target_set_data,sizeof(pncmd_target_set_data));
// We can not just send bytes without parity if while the PN53X expects we handled them
if (!pnd->bPar) return false;
// Copy the data into the command frame
memcpy(abtCmd+2,pbtTx,szTxLen);
// Try to send the bits to the reader
if (!pn53x_transceive(pnd,abtCmd,szTxLen+2,NULL,NULL)) return false;
// Everyting seems ok, return true
return true;
}

1
libnfc/chips/pn53x.h
View file

@ -102,6 +102,7 @@ bool pn53x_transceive_bits(nfc_device_t* pnd, const byte_t* pbtTx, const size_t
bool pn53x_transceive_bytes(nfc_device_t* pnd, const byte_t* pbtTx, const size_t szTxLen, byte_t* pbtRx, size_t* pszRxLen); bool pn53x_transceive_bytes(nfc_device_t* pnd, const byte_t* pbtTx, const size_t szTxLen, byte_t* pbtRx, size_t* pszRxLen);
bool pn53x_target_receive_dep_bytes(nfc_device_t* pnd, byte_t* pbtRx, size_t* pszRxLen); bool pn53x_target_receive_dep_bytes(nfc_device_t* pnd, byte_t* pbtRx, size_t* pszRxLen);
bool pn53x_target_send_dep_bytes(nfc_device_t* pnd, const byte_t* pbtTx, const size_t szTxLen);
const char *pn53x_strerror (const nfc_device_t *pnd); const char *pn53x_strerror (const nfc_device_t *pnd);

20
libnfc/nfc.c
View file

@ -69,7 +69,7 @@ nfc_device_desc_t * nfc_pick_device (void);
// //
// // Target // // Target
// extern const byte_t pncmd_target_get_data [ 2]; // extern const byte_t pncmd_target_get_data [ 2];
extern const byte_t pncmd_target_set_data [264]; // extern const byte_t pncmd_target_set_data [264];
extern const byte_t pncmd_target_init [ 39]; extern const byte_t pncmd_target_init [ 39];
// extern const byte_t pncmd_target_virtual_card [ 4]; // extern const byte_t pncmd_target_virtual_card [ 4];
extern const byte_t pncmd_target_receive [ 2]; extern const byte_t pncmd_target_receive [ 2];
@ -740,23 +740,7 @@ bool nfc_target_send_bytes(nfc_device_t* pnd, const byte_t* pbtTx, const size_t
*/ */
bool nfc_target_send_dep_bytes(nfc_device_t* pnd, const byte_t* pbtTx, const size_t szTxLen) bool nfc_target_send_dep_bytes(nfc_device_t* pnd, const byte_t* pbtTx, const size_t szTxLen)
{ {
byte_t abtCmd[sizeof(pncmd_target_set_data)]; return pn53x_target_send_dep_bytes(pnd, pbtTx, szTxLen);
pnd->iLastError = 0;
memcpy(abtCmd,pncmd_target_set_data,sizeof(pncmd_target_set_data));
// We can not just send bytes without parity if while the PN53X expects we handled them
if (!pnd->bPar) return false;
// Copy the data into the command frame
memcpy(abtCmd+2,pbtTx,szTxLen);
// Try to send the bits to the reader
if (!pn53x_transceive(pnd,abtCmd,szTxLen+2,NULL,NULL)) return false;
// Everyting seems ok, return true
return true;
} }
/** /**