Merge pull request #215 from Rotzbua/master

Add note for compatible ide

.gitignore

@@ -1 +1,6 @@
 MFRC522.zip
+
+# ignore IDE files
+.idea
+cmake
+CMakeLists.txt

.travis.yml

@@ -32,7 +32,8 @@ script:
     # short the string comparison
     - stringContain() { [ -z "${2##*$1*}" ]; }
     # selectable board tests @Rotzbua
-    - board="arduino_avr";  if stringContain "$board" "$TESTBOARD"; then echo "check board $board"; platformio ci --lib=. --board=uno --board=megaatmega1280; else echo "skip board test of $board"; fi
+    # prints only warnings and errors, to show all remove "1>/dev/null"
-    - board="arduino_arm";  if stringContain "$board" "$TESTBOARD"; then echo "check board $board"; platformio ci --lib=. --board=due --board=zero; else echo "skip board test of $board"; fi
+    - board="arduino_avr";  if stringContain "$board" "$TESTBOARD"; then echo "check board $board"; platformio ci --lib=. --board=uno --board=megaatmega1280 1>/dev/null; else echo "skip board test of $board"; fi
-    - board="teensy";  if stringContain "$board" "$TESTBOARD"; then echo "check board $board"; platformio ci --lib=. --board=teensy31; else echo "skip board test of $board"; fi
+    - board="arduino_arm";  if stringContain "$board" "$TESTBOARD"; then echo "check board $board"; platformio ci --lib=. --board=due --board=zero 1>/dev/null; else echo "skip board test of $board"; fi
-    - board="esp";  if stringContain "$board" "$TESTBOARD"; then echo "check board $board"; platformio ci --lib=. --board=d1_mini; else echo "skip board test of $board"; fi
+    - board="teensy";  if stringContain "$board" "$TESTBOARD"; then echo "check board $board"; platformio ci --lib=. --board=teensy20 --board=teensy31 1>/dev/null; else echo "skip board test of $board"; fi
+    - board="esp";  if stringContain "$board" "$TESTBOARD"; then echo "check board $board"; platformio ci --lib=. --board=d1_mini 1>/dev/null; else echo "skip board test of $board"; fi

README.rst

@@ -12,6 +12,46 @@ Interface (SPI) interface.
 
 Set the UID, write to sector 0, and unbrick Chinese UID changeable MIFARE cards.
 
+.. _development:
+Development
+----------
+**The development by owner miguelbalboa has ended**. Further development will be done by community. This library is still maintained by miguelbalboa, so make pull request if you like some new features or fixes. Support/issues should be solved by community.
+
+.. _what works and not:
+What works and not?
+----------
+
+* **Works**
+  
+  #. Communication (Crypto1) with MIFARE Classic (1k, 4k, Mini).
+  #. Communication (Crypto1) with MIFARE Classic compatible PICCs.
+  #. Firmware self check of MFRC522.
+
+* **Partial**
+
+  #. Communication with MIFARE Ultralight.
+
+* **Works not**
+  
+  #. MIFARE DESFire, MIFARE DESFire EV1/EV2, not supported by software.
+  #. Communication with DES3 or AES, not supported by software.
+  #. Peer-to-peer (ISO/IEC 18092), not `supported by hardware`_.
+  #. Communication with smart phone, not `supported by hardware`_.
+  #. Card emulation, not `supported by hardware`_.
+
+* **Need more?**
+
+  #. If software: code it and make a pull request.
+  #. If hardware: buy a more expensive like PN532 (supports NFC and many more, but costs about $15)
+
+
+.. _compatible ide:
+Compatible IDE
+----------
+This library works with Arduino IDE 1.6, older versions are **not supported** and will cause compile errors. The built-in library manager is supported.
+
+If you use your own compiler, you have to enable ``c++11``-support.
+
 
 .. _compatible boards:
 Compatible boards
@@ -19,6 +59,8 @@ Compatible boards
 
 This library is compatible to Teensy and ESP8266, but not all examples are available for every board. Also you have to change pins, see `pin layout`_.
 
+Note that the main target/support of library is still Arduino.
+
 
 .. _pin layout:
 Pin Layout
@@ -202,3 +244,4 @@ It has been extended with functionality to alter sector 0 on Chinese UID changea
 .. _iso/iec 14443-3\:2011 part 3: 
 .. _nxp mfrc522: http://www.nxp.com/documents/data_sheet/MFRC522.pdf
 .. _broken: http://eprint.iacr.org/2008/166
+.. _supported by hardware: https://web.archive.org/web/20151210045625/http://www.nxp.com/documents/leaflet/939775017564.pdf

examples/ReadUidMultiReader/ReadUidMultiReader.ino

@@ -20,8 +20,8 @@
  * Signal      Pin          Pin           Pin       Pin        Pin              Pin
  * -----------------------------------------------------------------------------------------
  * RST/Reset   RST          9             5         D9         RESET/ICSP-5     RST
- * SPI SS 1    SDA(SS)      10            53        D10        10               10
+ * SPI SS 1    SDA(SS)      ** custom, take a unused pin, only HIGH/LOW required **
- * SPI SS 2    SDA(SS)      2             53        D10        10               10
+ * SPI SS 2    SDA(SS)      ** custom, take a unused pin, only HIGH/LOW required **
  * SPI MOSI    MOSI         11 / ICSP-4   51        D11        ICSP-4           16
  * SPI MISO    MISO         12 / ICSP-1   50        D12        ICSP-1           14
  * SPI SCK     SCK          13 / ICSP-3   52        D13        ICSP-3           15
@@ -31,9 +31,9 @@
 #include <SPI.h>
 #include <MFRC522.h>
 
-#define RST_PIN        10           // Configurable, see typical pin layout above
+#define RST_PIN         9          // Configurable, see typical pin layout above
-#define SS_1_PIN        5          // Configurable, see typical pin layout above
+#define SS_1_PIN        10         // Configurable, take a unused pin, only HIGH/LOW required, must be diffrent to SS 2
-#define SS_2_PIN        3          // Configurable, see typical pin layout above
+#define SS_2_PIN        8          // Configurable, take a unused pin, only HIGH/LOW required, must be diffrent to SS 1
 
 #define NR_OF_READERS   2
 
@@ -46,13 +46,17 @@ MFRC522 mfrc522[NR_OF_READERS];   // Create MFRC522 instance.
  */
 void setup() {
 
-  Serial.begin(115200); // Initialize serial communications with the PC
+  Serial.begin(9600); // Initialize serial communications with the PC
   while (!Serial);    // Do nothing if no serial port is opened (added for Arduinos based on ATMEGA32U4)
 
   SPI.begin();        // Init SPI bus
 
   for (uint8_t reader = 0; reader < NR_OF_READERS; reader++) {
     mfrc522[reader].PCD_Init(ssPins[reader], RST_PIN); // Init each MFRC522 card
+    Serial.print(F("Reader "));
+    Serial.print(reader);
+    Serial.print(F(": "));
+    mfrc522[reader].PCD_DumpVersionToSerial();
   }
 }
 
@@ -61,14 +65,14 @@ void setup() {
  */
 void loop() {
 
-    for (uint8_t reader = 0; reader < NR_OF_READERS; reader++) {
+  for (uint8_t reader = 0; reader < NR_OF_READERS; reader++) {
     // Look for new cards
 
     if (mfrc522[reader].PICC_IsNewCardPresent() && mfrc522[reader].PICC_ReadCardSerial()) {
-      Serial.print(F("Reader: "));
+      Serial.print(F("Reader "));
       Serial.print(reader);
       // Show some details of the PICC (that is: the tag/card)
-      Serial.print(F(" Card UID:"));
+      Serial.print(F(": Card UID:"));
       dump_byte_array(mfrc522[reader].uid.uidByte, mfrc522[reader].uid.size);
       Serial.println();
       Serial.print(F("PICC type: "));