X-Git-Url: https://rtime.felk.cvut.cz/gitweb/coffee/mt-apps.git/blobdiff_plain/e17bf7ed8d01e48100100d4fea02cec478bb22f9..HEAD:/mt_rfid.h?ds=sidebyside

diff --git a/mt_rfid.h b/mt_rfid.h
index 7dfa6c9..01acb9b 100644
--- a/mt_rfid.h
+++ b/mt_rfid.h
@@ -2,14 +2,7 @@
 #define MT_RFID_H
 
 #include <ev.h>
-
-// reader open parameters, see uFR manual
-#define UFR_READER_TYPE     1       // uFR type (1Mbps)
-#define UFR_PORT_INTERFACE  1       // serial; auto->ftdi->FAIL
-#define UFR_PORT_NAME       "/dev/ttyUSB0" // reader device
-#define UFR_ASYNC_BAUD_RATE 1000000 // 1Mbps, otherwise UFR_COMMUNICATION_BREAK
-
-#define UFR_BEEP // define this to annoy people
+#include <stdint.h>
 
 typedef struct ev_io_ufr {
     ev_io w;           // fd watcher
@@ -23,10 +16,24 @@ typedef struct mt_rfid_t {
     int fd;      // print JSON output here
 } mt_rfid_t;
 
+// reader open parameters, see uFR manual
+#define UFR_READER_TYPE     1       // uFR type (1Mbps)
+#define UFR_PORT_INTERFACE  1       // serial; auto->ftdi->FAIL
+#define UFR_PORT_NAME       "/dev/ttyUSB0" // reader device
+#define UFR_ASYNC_BAUD_RATE 1000000 // 1Mbps, otherwise UFR_COMMUNICATION_BREAK
+
+#define UFR_BEEP // define this to annoy people
+
 // connect to the reader, add self to loop and make it write to fd
+// return 0 on success, negative number otherwise
 int mt_rfid_init(mt_rfid_t *self, struct ev_loop *loop, int fd);
 
 // disconnect from reader
 void mt_rfid_deinit(mt_rfid_t *self);
 
+#else
+
+#define mt_rfid_init(self, loop, fd) 0
+#define mt_rfid_deinit(self) 0
+
 #endif