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Merge 4de6dab69da6ae7dc24d7b0ddc6f197ed915e456 into ba072f16f6b2a655d51da2171ecfb83e26c0ef58

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Aaron Berger 2019-02-07 15:49:08 +00:00 committed by GitHub
commit 6573dff5cf
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1 changed files with 38 additions and 3 deletions
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41
src/mfoc.c
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@ -783,14 +783,49 @@ void mf_init(mfreader *r)
{ {
// Connect to the first NFC device // Connect to the first NFC device
nfc_init(&context); nfc_init(&context);
if (context == NULL) { if (context == NULL) {
ERR("Unable to init libnfc (malloc)"); ERR("Unable to init libnfc (malloc)");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
r->pdi = nfc_open(context, NULL);
if (!r->pdi) { nfc_connstring connstrings[10];
printf("No NFC device found.\n"); const size_t numconstrings = 10;
int num_devices = nfc_list_devices(context,connstrings,numconstrings);
if(num_devices == 1)
{
r->pdi = nfc_open(context, NULL);
if (!r->pdi) {
printf("No NFC device found.\n");
exit(EXIT_FAILURE);
}
}
else
{
printf("multiple readers found\n");
//get a specific device
for(int n=0;n<num_devices;n++)
{
printf("[%d] %s\n",n,connstrings[n]);
}
printf("please select the reader to use\n");
int userselected = 0;
if(scanf("%d",&userselected) > 0);
if(userselected >= 0 && userselected < num_devices)
{
r->pdi = nfc_open(context,connstrings[userselected]);
if (!r->pdi) {
printf("Unable to open selected device\n");
exit(EXIT_FAILURE);
}
return;
}
printf("Invalid selection\n");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
} }