This is the sample program that can see the decode result of barcode data on Watson IoT.

Dependencies:   AsciiFont DisplayApp GR-PEACH_video LCD_shield_config LWIPBP3595Interface_STA_for_mbed-os USBDevice

Revision:
0:7d720671e6dc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/zxing_lib/zxing/ZXing.h	Thu Nov 10 20:04:48 2016 +0900
@@ -0,0 +1,135 @@
+// -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
+/*
+ *  Copyright 2013 ZXing authors All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef __ZXING_H_
+#define __ZXING_H_
+
+#define ZXING_ARRAY_LEN(v) ((int)(sizeof(v)/sizeof(v[0])))
+#define ZX_LOG_DIGITS(digits) \
+    ((digits == 8) ? 3 : \
+     ((digits == 16) ? 4 : \
+      ((digits == 32) ? 5 : \
+       ((digits == 64) ? 6 : \
+        ((digits == 128) ? 7 : \
+         (-1))))))
+
+#ifndef ZXING_DEBUG
+#define ZXING_DEBUG 0
+#endif
+
+namespace zxing {
+typedef char byte;
+typedef bool boolean;
+}
+
+#include <limits>
+
+#if defined(_WIN32) || defined(_WIN64)
+
+#include <float.h>
+
+namespace zxing {
+inline bool isnan(float v) {return _isnan(v) != 0;}
+inline bool isnan(double v) {return _isnan(v) != 0;}
+inline float nan() {return std::numeric_limits<float>::quiet_NaN();}
+}
+
+#else
+
+#include <cmath>
+
+namespace zxing {
+#if defined(__ICCARM__) || defined( __CC_ARM )  //
+#else                                           //
+inline bool isnan(float v) {return std::isnan(v);}
+inline bool isnan(double v) {return std::isnan(v);}
+#endif                                          //
+inline float nan() {return std::numeric_limits<float>::quiet_NaN();}
+}
+#endif
+
+#if ZXING_DEBUG
+
+#include <iostream>
+#include <string>
+
+using std::cout;
+using std::cerr;
+using std::endl;
+using std::flush;
+using std::string;
+using std::ostream;
+
+#if ZXING_DEBUG_TIMER
+
+#include <sys/time.h>
+
+namespace zxing {
+
+class DebugTimer {
+public:
+  DebugTimer(char const* string_) : chars(string_) {
+    gettimeofday(&start, 0);
+  }
+
+  DebugTimer(std::string const& string_) : chars(0), string(string_) {
+    gettimeofday(&start, 0);
+  }
+
+  void mark(char const* string) {
+    struct timeval end;
+    gettimeofday(&end, 0);
+    int diff =
+      (end.tv_sec - start.tv_sec)*1000*1000+(end.tv_usec - start.tv_usec);
+    
+    cerr << diff << " " << string << '\n';
+  }
+
+  void mark(std::string string) {
+    mark(string.c_str());
+  }
+
+  ~DebugTimer() {
+    if (chars) {
+      mark(chars);
+    } else {
+      mark(string.c_str());
+    }
+  }
+
+private:
+  char const* const chars;
+  std::string string;
+  struct timeval start;
+};
+
+}
+
+#define ZXING_TIME(string) DebugTimer __timer__ (string)
+#define ZXING_TIME_MARK(string) __timer__.mark(string)
+
+#endif
+
+#endif // ZXING_DEBUG
+
+#ifndef ZXING_TIME
+#define ZXING_TIME(string) (void)0
+#endif
+#ifndef ZXING_TIME_MARK
+#define ZXING_TIME_MARK(string) (void)0
+#endif
+
+#endif