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buf.append(writeData[i])
i = i + 1
crc = self.CalulateCRC(buf)
buf.append(crc[0])
buf.append(crc[1])
(status, backData, backLen) = self.MFRC522_ToCard(self.PCD_TRANSCEIVE,buf)
if not(status == self.MI_OK) or not(backLen == 4) or not((backData[0] & 0x0F) ==
0x0A):
print "Error while writing"
if status == self.MI_OK:
print "Data written"
def MFRC522_DumpClassic1K(self, key, uid):
i = 0
while i < 64:
status = self.MFRC522_Auth(self.PICC_AUTHENT1A, i, key, uid)
# Check if authenticated
if status == self.MI_OK:
self.MFRC522_Read(i)
else:
print "Authentication error"
i = i+1
def MFRC522_Init(self):
GPIO.output(self.NRSTPD, 1)

self.MFRC522_Reset();

self.Write_MFRC522(self.TModeReg, 0x8D)
self.Write_MFRC522(self.TPrescalerReg, 0x3E)
self.Write_MFRC522(self.TReloadRegL, 30)
self.Write_MFRC522(self.TReloadRegH, 0)

self.Write_MFRC522(self.TxAutoReg, 0x40)
self.Write_MFRC522(self.ModeReg, 0x3D)
self.AntennaOn()

-----------------------------------------------
<Android Studio>
● activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"

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