ntag2xx updated compatibility

.gitignore

@@ -52,3 +52,70 @@ docs/_build/
 
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 target/
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Adafruit_PN532/PN532.py

@@ -437,3 +437,22 @@ def mifare_classic_write_block(self, block_number, data):
                                       params=params,
                                       response_length=1)
         return response[0] == 0x00
+
+    def ntag2xx_WritePage(self, block_number, data):
+        """Write a block of data to the card.  Block number should be the block
+        to write and data should be a byte array of length 4 with the data to
+        write.  If the data is successfully written then True is returned,
+        otherwise False is returned.
+        """
+        assert data is not None and len(data) == 4, 'Data must be an array of 4 bytes!'
+        # Build parameters for InDataExchange command to do MiFare classic write.
+        params = bytearray(7)
+        params[0] = 0x01  # Max card numbers
+        params[1] = MIFARE_ULTRALIGHT_CMD_WRITE
+        params[2] = block_number & 0xFF
+        params[3:] = data
+        # Send InDataExchange request.
+        response = self.call_function(PN532_COMMAND_INDATAEXCHANGE,
+                                      params=params,
+                                      response_length=1)
+        return response[0] == 0x00

examples/readntag2xx.py

@@ -0,0 +1,73 @@
+# Example of detecting and reading a block from a MiFare NFC card.
+# Author: Tony DiCola & Roberto Laricchia
+# Copyright (c) 2015 Adafruit Industries
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+import binascii
+import sys
+
+import Adafruit_PN532 as PN532
+
+
+# Setup how the PN532 is connected to the Raspbery Pi/BeagleBone Black.
+# It is recommended to use a software SPI connection with 4 digital GPIO pins.
+
+# Configuration for a Raspberry Pi:
+CS   = 18
+MOSI = 23
+MISO = 24
+SCLK = 25
+
+# Configuration for a BeagleBone Black:
+# CS   = 'P8_7'
+# MOSI = 'P8_8'
+# MISO = 'P8_9'
+# SCLK = 'P8_10'
+
+# Create an instance of the PN532 class.
+pn532 = PN532.PN532(cs=CS, sclk=SCLK, mosi=MOSI, miso=MISO)
+
+# Call begin to initialize communication with the PN532.  Must be done before
+# any other calls to the PN532!
+pn532.begin()
+
+# Get the firmware version from the chip and print(it out.)
+ic, ver, rev, support = pn532.get_firmware_version()
+print('Found PN532 with firmware version: {0}.{1}'.format(ver, rev))
+
+# Configure PN532 to communicate with MiFare cards.
+pn532.SAM_configuration()
+
+# Main loop to detect cards and read a block.
+print('Waiting for MiFare card...')
+while True:
+    # Check if a card is available to read.
+    uid = pn532.read_passive_target()
+    # Try again if no card is available.
+    if uid is None:
+        continue
+    print('Found card with UID: 0x{0}'.format(binascii.hexlify(uid)))
+    # No authentication needed
+    data = pn532.mifare_classic_read_block(4)
+    if data is None:
+        print('Failed to read block 4!')
+        continue
+    # Note that 16 bytes are returned, so only show the first 4 bytes for the block.
+    print('Read block 4: 0x{0}'.format(binascii.hexlify(data[:4])))
+

examples/writentag2xx.py

@@ -0,0 +1,73 @@
+# Example of detecting and reading a block from a MiFare NFC card.
+# Author: Tony DiCola & Roberto Laricchia
+# Copyright (c) 2015 Adafruit Industries
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+import binascii
+import sys
+
+import Adafruit_PN532 as PN532
+
+
+# Setup how the PN532 is connected to the Raspbery Pi/BeagleBone Black.
+# It is recommended to use a software SPI connection with 4 digital GPIO pins.
+
+# Configuration for a Raspberry Pi:
+CS   = 18
+MOSI = 23
+MISO = 24
+SCLK = 25
+
+# Configuration for a BeagleBone Black:
+# CS   = 'P8_7'
+# MOSI = 'P8_8'
+# MISO = 'P8_9'
+# SCLK = 'P8_10'
+
+# Create an instance of the PN532 class.
+pn532 = PN532.PN532(cs=CS, sclk=SCLK, mosi=MOSI, miso=MISO)
+
+# Call begin to initialize communication with the PN532.  Must be done before
+# any other calls to the PN532!
+pn532.begin()
+
+# Get the firmware version from the chip and print(it out.)
+ic, ver, rev, support = pn532.get_firmware_version()
+print('Found PN532 with firmware version: {0}.{1}'.format(ver, rev))
+
+# Configure PN532 to communicate with MiFare cards.
+pn532.SAM_configuration()
+
+# Loop to detect cards.
+print('Waiting for MiFare card...')
+while True:
+    # Check if a card is available to read.
+    uid = pn532.read_passive_target()
+    # Try again if no card is available.
+    if uid is not None:
+        break
+print('Found card with UID: 0x{0}'.format(binascii.hexlify(uid)))
+# No authentication needed
+
+#Set first 4 bytes of block to 0xFEEDBEEF.
+data = bytearray(4)
+data[0:4] = [0xFE, 0xED, 0xBE, 0xEF]
+# # Write 4 byte block.
+pn532.ntag2xx_WritePage(4, data)
+print('Wrote to block 4, exiting program!')