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Move hardware polling function in pn53x.c/h.

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This commit is contained in:
Romuald Conty
2010-08-17 08:24:38 +00:00
parent 41b1455f04
commit ae04479968
3 changed files with 64 additions and 51 deletions
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55
libnfc/nfc.c
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@@ -438,7 +438,7 @@ nfc_initiator_select_passive_target(const nfc_device_t* pnd,
// Make sure we are dealing with a active device
if (!pnd->bActive) return false;
// TODO Put this in a function
switch(nmInitModulation)
{
case NM_ISO14443A_106:
@@ -485,7 +485,8 @@ nfc_initiator_select_passive_target(const nfc_device_t* pnd,
{
case NM_ISO14443A_106:
if(!pn53x_decode_target_data(abtTargetsData+1, szTargetsData-1, pnd->nc, NTT_GENERIC_PASSIVE_106, pnti)) return false;
// TODO this should be handled by pn53x_decode_target_data()
// Strip CT (Cascade Tag) to retrieve and store the _real_ UID
// (e.g. 0x8801020304050607 is in fact 0x01020304050607)
if ((pnti->nai.szUidLen == 8) && (pnti->nai.abtUid[0] == 0x88)) {
@@ -651,55 +652,7 @@ nfc_initiator_poll_targets(const nfc_device_t* pnd,
const byte_t btPollNr, const byte_t btPeriod,
nfc_target_t* pntTargets, size_t* pszTargetFound)
{
size_t szTxInAutoPoll, n, szRxLen;
byte_t abtRx[256];
bool res;
byte_t *pbtTxInAutoPoll;
if(pnd->nc == NC_PN531) {
// errno = ENOSUPP
return false;
}
// byte_t abtInAutoPoll[] = { 0xd4, 0x60, 0x0f, 0x01, 0x00 };
szTxInAutoPoll = 4 + szTargetTypes;
pbtTxInAutoPoll = malloc( szTxInAutoPoll );
pbtTxInAutoPoll[0] = 0xd4;
pbtTxInAutoPoll[1] = 0x60;
pbtTxInAutoPoll[2] = btPollNr;
pbtTxInAutoPoll[3] = btPeriod;
for(n=0; n<szTargetTypes; n++) {
pbtTxInAutoPoll[4+n] = pnttTargetTypes[n];
}
szRxLen = 256;
res = pnd->pdc->transceive(pnd->nds, pbtTxInAutoPoll, szTxInAutoPoll, abtRx, &szRxLen);
if((szRxLen == 0)||(res == false)) {
DBG("pnd->pdc->tranceive() failed: szRxLen=%ld, res=%d", (unsigned long) szRxLen, res);
return false;
} else {
*pszTargetFound = abtRx[0];
if( *pszTargetFound ) {
uint8_t ln;
byte_t* pbt = abtRx + 1;
/* 1st target */
// Target type
pntTargets[0].ntt = *(pbt++);
// AutoPollTargetData length
ln = *(pbt++);
pn53x_decode_target_data(pbt, ln, pnd->nc, pntTargets[0].ntt, &(pntTargets[0].nti));
pbt += ln;
if(abtRx[0] > 1) {
/* 2nd target */
// Target type
pntTargets[1].ntt = *(pbt++);
// AutoPollTargetData length
ln = *(pbt++);
pn53x_decode_target_data(pbt, ln, pnd->nc, pntTargets[1].ntt, &(pntTargets[1].nti));
}
}
}
return true;
return pn53x_InAutoPoll(pnd, pnttTargetTypes, szTargetTypes, btPollNr, btPeriod, pntTargets, pszTargetFound);
}
/**