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Factorise code.

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Avoid redundant code in PN53x usb and uart drivers.  Since it makes sense to
report errors at the nfc_device_t level, pass it directly to
pn53x_transceive().

Programs using the libnfc MAY use pn53x_transceive() to communicate with a NFC
device, and SHALL not use anymore pnd->pdc->transceive().  Code in the library
itself SHOULD avoid calling pnd->pdc->transceive(), so such construct have been
updated accordingly.
This commit is contained in:
Romain Tartiere 2010-07-31 14:20:15 +00:00
parent 301d692e8a
commit 79aeaa6287
15 changed files with 80 additions and 70 deletions
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2
include/nfc/nfc-types.h
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@ -118,7 +118,7 @@ struct driver_callbacks {
/** Connect callback */
nfc_device_t* (*connect)(const nfc_device_desc_t* pndd);
/** Transceive callback */
bool (*transceive)(const nfc_device_spec_t nds, const byte_t* pbtTx, const size_t szTxLen, byte_t* pbtRx, size_t* pszRxLen);
bool (*transceive)(nfc_device_t* pnd, const byte_t* pbtTx, const size_t szTxLen, byte_t* pbtRx, size_t* pszRxLen);
/** Disconnect callback */
void (*disconnect)(nfc_device_t* pnd);
};