From f9c62da0811d154f55e2169db4761a093c603726 Mon Sep 17 00:00:00 2001
From: Baozhu Zuo <baozhu.zuo@gmail.com>
Date: Mon, 26 Aug 2019 11:08:23 +0800
Subject: [PATCH] use SERIAL replace Serial

---
 PN532/PN532.cpp             | 22 +++++++++++-----------
 PN532/PN532_debug.h         | 14 ++++++++++----
 PN532_SWHSU/PN532_SWHSU.cpp |  4 ++--
 PN532_SWHSU/PN532_SWHSU.h   |  2 +-
 4 files changed, 24 insertions(+), 18 deletions(-)

diff --git a/PN532/PN532.cpp b/PN532/PN532.cpp
index 7f25a3f..7c13335 100644
--- a/PN532/PN532.cpp
+++ b/PN532/PN532.cpp
@@ -42,13 +42,13 @@ void PN532::PrintHex(const uint8_t *data, const uint32_t numBytes)
 #ifdef ARDUINO
     for (uint8_t i = 0; i < numBytes; i++) {
         if (data[i] < 0x10) {
-            Serial.print(" 0");
+            SERIAL.print(" 0");
         } else {
-            Serial.print(' ');
+            SERIAL.print(' ');
         }
-        Serial.print(data[i], HEX);
+        SERIAL.print(data[i], HEX);
     }
-    Serial.println("");
+    SERIAL.println("");
 #else
     for (uint8_t i = 0; i < numBytes; i++) {
         printf(" %2X", data[i]);
@@ -73,22 +73,22 @@ void PN532::PrintHexChar(const uint8_t *data, const uint32_t numBytes)
 #ifdef ARDUINO
     for (uint8_t i = 0; i < numBytes; i++) {
         if (data[i] < 0x10) {
-            Serial.print(" 0");
+            SERIAL.print(" 0");
         } else {
-            Serial.print(' ');
+            SERIAL.print(' ');
         }
-        Serial.print(data[i], HEX);
+        SERIAL.print(data[i], HEX);
     }
-    Serial.print("    ");
+    SERIAL.print("    ");
     for (uint8_t i = 0; i < numBytes; i++) {
         char c = data[i];
         if (c <= 0x1f || c > 0x7f) {
-            Serial.print('.');
+            SERIAL.print('.');
         } else {
-            Serial.print(c);
+            SERIAL.print(c);
         }
     }
-    Serial.println("");
+    SERIAL.println("");
 #else
     for (uint8_t i = 0; i < numBytes; i++) {
         printf(" %2X", data[i]);
diff --git a/PN532/PN532_debug.h b/PN532/PN532_debug.h
index 8b845e6..a123a03 100644
--- a/PN532/PN532_debug.h
+++ b/PN532/PN532_debug.h
@@ -5,11 +5,17 @@
 
 #include "Arduino.h"
 
+#ifdef ARDUINO_SAMD_VARIANT_COMPLIANCE
+    #define SERIAL SerialUSB
+#else
+    #define SERIAL Serial
+#endif
+
 #ifdef DEBUG
-#define DMSG(args...)       Serial.print(args)
-#define DMSG_STR(str)       Serial.println(str)
-#define DMSG_HEX(num)       Serial.print(' '); Serial.print((num>>4)&0x0F, HEX); Serial.print(num&0x0F, HEX)
-#define DMSG_INT(num)       Serial.print(' '); Serial.print(num)
+#define DMSG(args...)       SERIAL.print(args)
+#define DMSG_STR(str)       SERIAL.println(str)
+#define DMSG_HEX(num)       SERIAL.print(' '); SERIAL.print((num>>4)&0x0F, HEX); SERIAL.print(num&0x0F, HEX)
+#define DMSG_INT(num)       SERIAL.print(' '); SERIAL.print(num)
 #else
 #define DMSG(args...)
 #define DMSG_STR(str)
diff --git a/PN532_SWHSU/PN532_SWHSU.cpp b/PN532_SWHSU/PN532_SWHSU.cpp
index ee04ab9..17d12d2 100755
--- a/PN532_SWHSU/PN532_SWHSU.cpp
+++ b/PN532_SWHSU/PN532_SWHSU.cpp
@@ -1,6 +1,6 @@
 
-#include "PN532_SWHSU.h"
-#include "PN532_debug.h"
+#include "PN532/PN532_SWHSU/PN532_SWHSU.h"
+#include "PN532/PN532/PN532_debug.h"
 
 
 PN532_SWHSU::PN532_SWHSU(SoftwareSerial &serial)
diff --git a/PN532_SWHSU/PN532_SWHSU.h b/PN532_SWHSU/PN532_SWHSU.h
index 2f92d18..8d2dba7 100755
--- a/PN532_SWHSU/PN532_SWHSU.h
+++ b/PN532_SWHSU/PN532_SWHSU.h
@@ -4,7 +4,7 @@
 
 #include <SoftwareSerial.h>
 
-#include "PN532Interface.h"
+#include "PN532/PN532/PN532Interface.h"
 #include "Arduino.h"
 
 #define PN532_SWHSU_DEBUG