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Allow to connect to a device using a connection string:

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- Provide a nfc_get_default_device() that allow to grab the connstring stored
   in LIBNFC_DEFAULT_DEVICE environnement variable or returns the first
   available device if not set;
 - nfc_connect(NULL) now takes the default device (see
   nfc_get_default_device());
 - Removes nfc_driver_desc_t from public types
 - Defines nfc_connstring as char[1024]
 - examples/*: use nfc_connstring
 - examples/nfc-poll: now uses only the default device (instead of all devices
   availables)
 - Removes parse_args() from nfc-utils.[hc]
This commit is contained in:
Romuald Conty
2011-10-17 13:03:56 +00:00
parent dc842a844c
commit 55daa29a7c
20 changed files with 559 additions and 380 deletions
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8
examples/nfc-dep-target.c
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@@ -66,16 +66,16 @@ main (int argc, const char *argv[])
size_t szDeviceFound;
byte_t abtTx[] = "Hello Mars!";
#define MAX_DEVICE_COUNT 2
nfc_device_desc_t pnddDevices[MAX_DEVICE_COUNT];
nfc_list_devices (pnddDevices, MAX_DEVICE_COUNT, &szDeviceFound);
nfc_connstring connstrings[MAX_DEVICE_COUNT];
nfc_list_devices (connstrings, MAX_DEVICE_COUNT, &szDeviceFound);
// Little hack to allow using nfc-dep-initiator & nfc-dep-target from
// the same machine: if there is more than one readers connected
// nfc-dep-target will connect to the second reader
// (we hope they're always detected in the same order)
if (szDeviceFound == 1) {
pnd = nfc_connect (&(pnddDevices[0]));
pnd = nfc_connect (connstrings[0]);
} else if (szDeviceFound > 1) {
pnd = nfc_connect (&(pnddDevices[1]));
pnd = nfc_connect (connstrings[1]);
} else {
printf("No device found.");
return EXIT_FAILURE;