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nfc_initiator_transceive_bytes_timed() function does not now use pszRx as parameter because this function returns it.

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This commit is contained in:
Audrey Diacre
2012-01-04 15:53:41 +00:00
parent b699743973
commit a41b2b0da8
5 changed files with 10 additions and 12 deletions
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11
libnfc/chips/pn53x.c
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@@ -1420,8 +1420,7 @@ pn53x_initiator_transceive_bits_timed (struct nfc_device *pnd, const uint8_t *pb
}
int
pn53x_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)
pn53x_initiator_transceive_bytes_timed (struct nfc_device *pnd, const uint8_t *pbtTx, const size_t szTx, uint8_t *pbtRx, uint32_t *cycles)
{
uint16_t i;
uint8_t sz;
@@ -1469,7 +1468,7 @@ pn53x_initiator_transceive_bytes_timed (struct nfc_device *pnd, const uint8_t *p
}
// Recv data
*pszRx = 0;
size_t szRx = 0;
// we've to watch for coming data until we decide to timeout.
// our PN53x timer saturates after 4.8ms so this function shouldn't be used for
// responses coming very late anyway.
@@ -1500,9 +1499,9 @@ pn53x_initiator_transceive_bytes_timed (struct nfc_device *pnd, const uint8_t *p
return res;
}
for (i = 0; i < sz; i++) {
pbtRx[i+*pszRx] = abtRes[i+off];
pbtRx[i+szRx] = abtRes[i+off];
}
*pszRx += (size_t) (sz & SYMBOL_FIFO_LEVEL);
szRx += (size_t) (sz & SYMBOL_FIFO_LEVEL);
sz = abtRes[sz+off];
if (sz == 0)
break;
@@ -1520,7 +1519,7 @@ pn53x_initiator_transceive_bytes_timed (struct nfc_device *pnd, const uint8_t *p
} else {
*cycles = __pn53x_get_timer (pnd, pbtTx[szTx -1]);
}
return *pszRx;
return szRx;
}
int