From 6c8a2d4e92f67f45739dc86608dd5c32fb8c5127 Mon Sep 17 00:00:00 2001
From: Michal Sojka <michal.sojka@cvut.cz>
Date: Wed, 8 Aug 2018 11:31:52 +0200
Subject: [PATCH] Convert RFID printing to a function

... so that we can use it in a simulator.
---
 mt_rfid.c | 37 +++++++++++++++++++++----------------
 mt_rfid.h |  8 ++++++++
 2 files changed, 29 insertions(+), 16 deletions(-)

diff --git a/mt_rfid.c b/mt_rfid.c
index 542c60b..e987f82 100644
--- a/mt_rfid.c
+++ b/mt_rfid.c
@@ -86,24 +86,29 @@ static int tty_open(const char *port, int br)
 }
 
 // print complete json
-#define RFID_JSON_PRINT() do { \
-    JSON_START();         \
-    JSON_STR(type);       \
-    JSON_NEXT();          \
-    JSON_NUM(card_type);  \
-    JSON_NEXT();          \
-    JSON_NUM(sak);        \
-    JSON_NEXT();          \
-    JSON_NUM(size);       \
-    JSON_NEXT();          \
-    JSON_STR(uid);        \
-    JSON_END();           \
-} while (0)
+void rfid_json_print(int fd,
+		     uint8_t card_type,
+		     uint8_t sak,           //select acknowledge
+		     char *uid,
+		     uint8_t size)
+{
+    static const char *type = "rfid";
+
+    JSON_START();
+    JSON_STR(type);
+    JSON_NEXT();
+    JSON_NUM(card_type);
+    JSON_NEXT();
+    JSON_NUM(sak);
+    JSON_NEXT();
+    JSON_NUM(size);
+    JSON_NEXT();
+    JSON_STR(uid);
+    JSON_END();
+}
 
 static void ufr_read(char *uid, int fd)
 {
-    static char *type = "rfid";
-
     UFR_STATUS status;
     uint8_t card_type;
     uint8_t sak;           //select acknowledge
@@ -122,7 +127,7 @@ static void ufr_read(char *uid, int fd)
         return;
     }
 
-    RFID_JSON_PRINT();
+    rfid_json_print(fd, card_type, sak, uid, size);
 
 #ifdef UFR_BEEP
     ReaderUISignal(0, 1); // no light, one beep
diff --git a/mt_rfid.h b/mt_rfid.h
index 10ea402..53fa84b 100644
--- a/mt_rfid.h
+++ b/mt_rfid.h
@@ -2,6 +2,7 @@
 #define MT_RFID_H
 
 #include <ev.h>
+#include <stdint.h>
 
 typedef struct ev_io_ufr {
     ev_io w;           // fd watcher
@@ -39,4 +40,11 @@ void mt_rfid_deinit(mt_rfid_t *self);
 
 #endif /* HAVE_RFID */
 
+void rfid_json_print(int fd,
+		     uint8_t card_type,
+		     uint8_t sak,           //select acknowledge
+		     char *uid,
+		     uint8_t size);
+
+
 #endif
-- 
2.39.2