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acr122_usb: retry a few times if init failed

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This commit is contained in:
Philippe Teuwen 2013-06-14 23:28:03 +02:00
parent f0471ebc89
commit c2fa73b404
1 changed files with 9 additions and 1 deletions
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10
libnfc/drivers/acr122_usb.c
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@ -778,6 +778,7 @@ int
acr122_usb_init(nfc_device *pnd)
{
int res = 0;
int i;
uint8_t abtRxBuf[255 + sizeof(struct ccid_header)];
/*
@ -824,7 +825,14 @@ acr122_usb_init(nfc_device *pnd)
if ((res = acr122_usb_send_apdu(pnd, 0x00, 0x51, 0x00, NULL, 0, 0, abtRxBuf, sizeof(abtRxBuf))) < 0)
return res;
if ((res = pn53x_init(pnd)) < 0)
res = 0;
for (i=0; i<3; i++) {
if (res < 0)
log_put(LOG_GROUP, LOG_CATEGORY, NFC_LOG_PRIORITY_ERROR, "%s", "PN532 init failed, trying again...");
if ((res = pn53x_init(pnd)) >= 0)
break;
}
if (res < 0)
return res;
return NFC_SUCCESS;