Fixed indentation
This commit is contained in:
Mario Gomez
parent
f14e5608c0
commit
2786a14420
1 changed files with 75 additions and 67 deletions
132
MFRC522.py
132
MFRC522.py
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@ -103,7 +103,6 @@ class MFRC522:
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serNum = []
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def __init__(self,spd=1000000):
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spi.openSPI(speed=spd)
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GPIO.setmode(GPIO.BOARD)
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@ -157,47 +156,53 @@ class MFRC522:
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self.Write_MFRC522(self.CommIEnReg, irqEn|0x80)
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self.ClearBitMask(self.CommIrqReg, 0x80)
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self.SetBitMask(self.FIFOLevelReg, 0x80)
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self.Write_MFRC522(self.CommandReg, self.PCD_IDLE);
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while(i<len(sendData)):
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self.Write_MFRC522(self.FIFODataReg, sendData[i])
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i = i+1
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self.Write_MFRC522(self.CommandReg, command)
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self.Write_MFRC522(self.CommandReg, command)
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if command == self.PCD_TRANSCEIVE:
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self.SetBitMask(self.BitFramingReg, 0x80)
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i = 2000
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while True:
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n = self.Read_MFRC522(self.CommIrqReg)
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i = i - 1
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if ~((i!=0) and ~(n&0x01) and ~(n&waitIRq)):
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break
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break
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self.ClearBitMask(self.BitFramingReg, 0x80)
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if i != 0:
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if (self.Read_MFRC522(self.ErrorReg) & 0x1B)==0x00:
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status = self.MI_OK
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if n & irqEn & 0x01:
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status = self.MI_NOTAGERR
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status = self.MI_OK
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if command == self.PCD_TRANSCEIVE:
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n = self.Read_MFRC522(self.FIFOLevelReg)
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lastBits = self.Read_MFRC522(self.ControlReg) & 0x07
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if lastBits != 0:
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backLen = (n-1)*8 + lastBits
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else:
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backLen = n*8
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if n == 0:
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n = 1
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if n > self.MAX_LEN:
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n = self.MAX_LEN
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if n & irqEn & 0x01:
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status = self.MI_NOTAGERR
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i = 0
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while i<n:
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backData.append(self.Read_MFRC522(self.FIFODataReg))
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i = i + 1;
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if command == self.PCD_TRANSCEIVE:
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n = self.Read_MFRC522(self.FIFOLevelReg)
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lastBits = self.Read_MFRC522(self.ControlReg) & 0x07
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if lastBits != 0:
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backLen = (n-1)*8 + lastBits
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else:
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backLen = n*8
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if n == 0:
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n = 1
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if n > self.MAX_LEN:
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n = self.MAX_LEN
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i = 0
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while i<n:
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backData.append(self.Read_MFRC522(self.FIFODataReg))
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i = i + 1;
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else:
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status = self.MI_ERR
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status = self.MI_ERR
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return (status,backData,backLen)
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@ -234,13 +239,13 @@ class MFRC522:
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if(status == self.MI_OK):
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i = 0
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if len(backData)==5:
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while i<4:
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serNumCheck = serNumCheck ^ backData[i]
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i = i + 1
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if serNumCheck != backData[i]:
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status = self.MI_ERR
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while i<4:
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serNumCheck = serNumCheck ^ backData[i]
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i = i + 1
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if serNumCheck != backData[i]:
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status = self.MI_ERR
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else:
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status = self.MI_ERR
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status = self.MI_ERR
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return (status,backData)
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@ -257,7 +262,7 @@ class MFRC522:
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n = self.Read_MFRC522(self.DivIrqReg)
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i = i - 1
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if not ((i != 0) and not (n&0x04)):
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break
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break
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pOutData = []
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pOutData.append(self.Read_MFRC522(self.CRCResultRegL))
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pOutData.append(self.Read_MFRC522(self.CRCResultRegM))
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@ -276,29 +281,32 @@ class MFRC522:
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buf.append(pOut[0])
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buf.append(pOut[1])
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(status, backData, backLen) = self.MFRC522_ToCard(self.PCD_TRANSCEIVE, buf)
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if (status == self.MI_OK) and (backLen == 0x18):
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size = backData[0]
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print "Size: " + str(backData[0])
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return backData[0]
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else:
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size = 0
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return size
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return 0
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def MFRC522_Auth(self, authMode, BlockAddr, Sectorkey, serNum):
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buff = []
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buff.append(authMode)
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buff.append(BlockAddr)
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i = 0
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while(i < 6):
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while(i < len(Sectorkey)):
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buff.append(Sectorkey[i])
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i = i + 1
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i = 0
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while(i < 4):
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while(i < len(serNum)):
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buff.append(serNum[i])
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i = i +1
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(status, backData, backLen) = self.MFRC522_ToCard(self.PCD_AUTHENT,buff)
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if not(status == self.MI_OK):
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print "AUTH ERROR!!"
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if not(self.Read_MFRC522(self.Status2Reg) & 0x08):
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print "AUTH ERROR(status2reg & 0x08 != 0"
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if not (self.Read_MFRC522(self.Status2Reg) & 0x08) != 0:
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print "AUTH ERROR(status2reg & 0x08) != 0"
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return status
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def MFRC522_Read(self, blockAddr):
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recvData = []
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@ -309,12 +317,12 @@ class MFRC522:
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recvData.append(pOut[1])
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(status, backData, backLen) = self.MFRC522_ToCard(self.PCD_TRANSCEIVE, recvData)
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if not(status == self.MI_OK):
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print "Error while reading!"
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print "Error while reading!"
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print "Got data size: "+str(backLen)
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i = 0
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if len(backData) == 16:
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print "Sector "+str(blockAddr)+" "+str(backData)
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print "Sector "+str(blockAddr)+" "+str(backData)
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def MFRC522_Write(self, blockAddr, writeData):
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buff = []
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@ -325,22 +333,23 @@ class MFRC522:
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buff.append(crc[1])
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(status, backData, backLen) = self.MFRC522_ToCard(self.PCD_TRANSCEIVE, buff)
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if not(status == self.MI_OK) or not(backLen == 4) or not((backData[0] & 0x0F) == 0x0A):
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status = self.MI_ERR
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print str(backLen)+" backdata &0x0F == 0x0A "+str(backData[0]&0x0F)
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status = self.MI_ERR
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print str(backLen)+" backdata &0x0F == 0x0A "+str(backData[0]&0x0F)
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if status == self.MI_OK:
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i = 0
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buf = []
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while i < 16:
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buf.append(writeData[i])
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i = i + 1
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crc = self.CalulateCRC(buf)
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buf.append(crc[0])
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buf.append(crc[1])
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(status, backData, backLen) = self.MFRC522_ToCard(self.PCD_TRANSCEIVE,buf)
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if not(status == self.MI_OK) or not(backLen == 4) or not((backData[0] & 0x0F) == 0x0A):
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print "Error while writing"
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if status == self.MI_OK:
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print "Data writen"
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i = 0
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buf = []
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while i < 16:
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buf.append(writeData[i])
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i = i + 1
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crc = self.CalulateCRC(buf)
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buf.append(crc[0])
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buf.append(crc[1])
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(status, backData, backLen) = self.MFRC522_ToCard(self.PCD_TRANSCEIVE,buf)
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if not(status == self.MI_OK) or not(backLen == 4) or not((backData[0] & 0x0F) == 0x0A):
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print "Error while writing"
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if status == self.MI_OK:
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print "Data writen"
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def MFRC522_Init(self):
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@ -378,15 +387,14 @@ while continue_reading:
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(status,backData) = MIFAREReader.MFRC522_Anticoll()
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if status == MIFAREReader.MI_OK:
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print "Card read UID: "+str(backData[0])+","+str(backData[1])+","+str(backData[2])+","+str(backData[3])+","+str(backData[4])
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key = [0xFF,0xFF,0xFF,0xFF,0xFF,0xFF]
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MIFAREReader.MFRC522_SelectTag(backData)
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key = [0xFF,0xFF,0xFF,0xFF,0xFF]
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MIFAREReader.MFRC522_Auth(0x60,0,keyA,backData)
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MIFAREReader.MFRC522_Read(0)
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i = 1
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while i < 64:
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MIFAREReader.MFRC522_Auth(0x60,i,keyA,backData)
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IFAREReader.MFRC522_Read(i)
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i = i + 1
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status = MIFAREReader.MFRC522_Auth(MIFAREReader.PICC_AUTHENT1A, 11, key, backData)
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if status == MIFAREReader.MI_OK:
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print "AUTH OK"
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else:
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print "AUTH ERROR"
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