fist commit

Author: zhangzhiyong0410

FillRandom.py

@@ -0,0 +1,69 @@
+#!/usr/bin/env python3
+# -*- coding: utf8 -*-
+
+import RFIDI2CMicroPython
+import random
+
+continue_reading = True
+
+# Create random data
+def random_data(size=16):
+    data = []
+    for i in range(size):
+        data.append(random.randint(0, 255))
+    return (data)
+
+# Create an object of the class mrfc
+MRFC522Reader = RFIDI2CMicroPython.MRFC522()
+
+MRFC522Reader.showReaderDetails()
+
+while continue_reading:
+    # Scan for cards
+    (status, backData, tagType) = MRFC522Reader.scan()
+    if status == MRFC522Reader.MI_OK:
+        print('Card detected, Type:',tagType)
+
+        # Get UID of the card
+        (status, uid, backBits) = MRFC522Reader.transceive()
+        if status == MRFC522Reader.MI_OK:
+            print('Card identified, UID:',hex(uid[0]),hex(uid[1]),hex(uid[2]),hex(uid[3]))
+
+            # Select the scanned card
+            (status, backData, backBits) = MRFC522Reader.select(uid)
+            if status == MRFC522Reader.MI_OK:
+                print('Card selected')
+
+                # Authenticate
+                mode = MRFC522Reader.MIFARE_AUTHKEY1
+                blockAddr = 8
+                key = [0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF]
+                blockAddrList = []
+                for blockAddr in MRFC522Reader.MIFARE_USERDATA:
+                    (status, backData, backBits) = MRFC522Reader.authenticate(
+                        mode,
+                        blockAddr,
+                        key,
+                        uid)
+
+                    if (status == MRFC522Reader.MI_OK):
+                        # Write new data to card
+                        data = random_data()
+                        (status, backData, backBits) = MRFC522Reader.write(
+                            blockAddr,
+                            data)
+                        if (status == MRFC522Reader.MI_OK):
+                            print('Data ',blockAddr,' ', end = '')
+                            blockAddrList.append(blockAddr)
+                            for i in range(0,16):
+                                print(data[i]," ", end = '')
+                            print()
+                        else:
+                            print('Error while writing new data')
+                        continue_reading = False
+
+                    else:
+                        print('Authentication error')                        
+            print(blockAddrList)
+            # Deauthenticate
+            MRFC522Reader.deauthenticate()