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Fix ACR122 with firmware > 2.0 support.

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This commit is contained in:
Romain Tartiere 2009-11-24 17:58:07 +00:00
parent 220bef3490
commit 4e50bf7a8b
1 changed files with 9 additions and 10 deletions
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19
src/lib/drivers/acr122.c
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@ -141,7 +141,6 @@ acr122_list_devices(nfc_device_desc_t pnddDevices[], size_t szDevices, size_t *p
// Test if context succeeded
if (!(pscc = acr122_get_scardcontext ())) return false;
//if (SCardEstablishContext(SCARD_SCOPE_USER,NULL,NULL,&(pscc)) != SCARD_S_SUCCESS) return false;
// Retrieve the string array of all available pcsc readers
if (SCardListReaders(*pscc,NULL,acDeviceNames,(void*)&szDeviceNamesLen) != SCARD_S_SUCCESS) return false;
@ -154,8 +153,16 @@ acr122_list_devices(nfc_device_desc_t pnddDevices[], size_t szDevices, size_t *p
DBG("- %s (pos=%d)", acDeviceNames + szPos, szPos);
// Test if we were able to connect to the "emulator" card
if (SCardConnect(*pscc,acDeviceNames + szPos,SCARD_SHARE_EXCLUSIVE,SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1,&(as.hCard),(void*)&(as.ioCard.dwProtocol)) == SCARD_S_SUCCESS)
if (SCardConnect(*pscc,acDeviceNames + szPos,SCARD_SHARE_EXCLUSIVE,SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1,&(as.hCard),(void*)&(as.ioCard.dwProtocol)) != SCARD_S_SUCCESS)
{
// Connect to ACR122 firmware version >2.0
if (SCardConnect(*pscc,pndd->acDevice,SCARD_SHARE_DIRECT,0,&(as.hCard),(void*)&(as.ioCard.dwProtocol)) != SCARD_S_SUCCESS)
{
// We can not connect to this device.
continue;
}
}
// Configure I/O settings for card communication
as.ioCard.cbPciLength = sizeof(SCARD_IO_REQUEST);
@ -175,17 +182,11 @@ acr122_list_devices(nfc_device_desc_t pnddDevices[], size_t szDevices, size_t *p
DBG("%s", "Firmware version mismatch");
}
SCardDisconnect(as.hCard,SCARD_LEAVE_CARD);
}
else
{
DBG("%s", "Can't contact emulator card");
}
// Find next device name position
while (acDeviceNames[szPos++] != '\0');
}
acr122_free_scardcontext ();
//SCardReleaseContext(pscc);
return true;
}
@ -200,8 +201,6 @@ nfc_device_t* acr122_connect(const nfc_device_desc_t* pndd)
// Test if context succeeded
if (!(pscc = acr122_get_scardcontext ())) return NULL;
//if (SCardEstablishContext(SCARD_SCOPE_USER,NULL,NULL,&(pscc)) != SCARD_S_SUCCESS) return NULL;
// Test if we were able to connect to the "emulator" card
if (SCardConnect(*pscc,pndd->acDevice,SCARD_SHARE_EXCLUSIVE,SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1,&(as.hCard),(void*)&(as.ioCard.dwProtocol)) != SCARD_S_SUCCESS)
{