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#!/usr/bin/env python3
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import time
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import serial
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import binascii
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class TPLBirdySlim:
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port = None
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def __init__(self, serialPortName):
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self.port = serial.Serial(
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port=serialPortName,
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baudrate=57600,
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bytesize=serial.EIGHTBITS,
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parity=serial.PARITY_NONE,
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stopbits=serial.STOPBITS_ONE,
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timeout=30,
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xonxoff=False,
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rtscts=False,
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dsrdtr=False
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)
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print(self.port.name)
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if self.port.is_open:
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self.port.close()
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self.port.open()
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self.port.reset_input_buffer()
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self.port.reset_output_buffer()
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def _changeBaudrate(self, newRate):
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if self.port.is_open:
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self.port.close()
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self.port.baudrate = newRate
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self.port.open()
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self.port.reset_input_buffer()
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self.port.reset_output_buffer()
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def checksum(self, data):
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cs = 0x00
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for x in data:
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cs = (cs + x % 256) & 0xFF
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return cs & 0xFF
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def sendCMD(self, data):
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cmd = []
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cmd.append(0x02)
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cmd.append(len(data))
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cmd.extend(data)
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cmd.append(0x03)
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cmd.append(self.checksum(cmd.copy()))
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cmd.append(0x04)
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print(">", binascii.hexlify(bytes(cmd)))
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self.port.write(cmd)
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self.port.flush()
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def readSingleByte(self):
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return int.from_bytes(self.port.read(1), 'little')
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def wait4Response(self):
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#first Byte is always 0x02
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if self.readSingleByte() != 0x02:
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return None
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dataLength = self.readSingleByte()
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reply = []
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for x in range(dataLength):
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reply.append(self.readSingleByte())
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if self.readSingleByte() != 0x03:
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return None
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pCRC = self.readSingleByte()
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pCRCData = [0x02, dataLength]
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pCRCData.extend(reply)
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pCRCData.extend([0x03])
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rCRC = self.checksum(pCRCData)
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if self.readSingleByte() != 0x04:
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return None
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if pCRC != rCRC:
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return None # crc mismatch
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return reply
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def askHighspeed(self):
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self.sendCMD([0x25,0x01])
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return self.wait4Response()
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def switchToHighspeed(self):
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resp = self.askHighspeed()
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if len(resp) == 1 and resp[0] == 0x06:
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self._changeBaudrate(115200)
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return True
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else:
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return False
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def readE2P(self, addr, size=0x80):
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_addr = addr.to_bytes(2, byteorder='big')
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_cmd = [0x29, 0x00, 0x00, _addr[0], _addr[1], size]
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self.sendCMD(_cmd)
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resp = self.wait4Response()
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print(">", binascii.hexlify(bytes(resp)))
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if resp[0:5] != _cmd[0:5]:
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print(resp[0:5], _cmd[0:5])
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return None # mismatch
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return resp[5:]
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def writeE2P(self, addr, data):
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_addr = addr.to_bytes(2, byteorder='big')
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_cmd = [0x2A, 0x00, 0x00, _addr[0], _addr[1]]
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_cmd.extend(data)
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self.sendCMD(_cmd)
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resp = self.wait4Response()
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if resp[0:4] != _cmd[0:4]:
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print("resp mismatch", resp, _cmd)
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return False # mismatch
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if resp[5] != len(data):
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print("length mismatch")
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return False # mismatch
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if resp[6:] != _cmd[5:]:
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print("resp mismatch", resp, _cmd)
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return False # mismatch
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return True
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#def boskrypt_mode(self):
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# self.sendCMD([0xF3,0xF3])
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def getDeviceInfo(self):
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self.sendCMD([0x01,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff])
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return self.wait4Response()
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def writeSerialNumber(self, newSerial):
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_cmd = [0x13]
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_cmd.extend(newSerial)
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self.sendCMD(_cmd)
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resp = self.wait4Response()
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if _cmd[2:] != resp[2:]:
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return False
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return True
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def checkE2PData(self, data):
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return len(data) / 0x80 == 0xCD
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test = TPLBirdySlim('/dev/ttyUSB0')
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#test.switchBootloaderSpeed()
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#test._changeBaudrate(38700)
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#print(bytes(test.getDeviceInfo()).decode('ascii'))
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#test.sendCMD([0x01,0x12])
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#test.sendCMD([0x18,0x08])
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#test.sendCMD([0x10,0x08])
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#print(bytes(test.wait4Response()))
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#test.writeSerialNumber([0x42,0x36,0x31,0x33,0x33,0x37,0x31,0x33,0x33,0x37,0x31,0x33,0x33,0x37])
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#print(bytes(test.getDeviceInfo()).decode('ascii'))
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#test.sendCMD([0x13,0x43,0x48,0x45,0x45,0x54,0x41,0x48,0x43,0x48,0x45,0x45,0x54,0x41,0x48])
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#print(
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test.switchToHighspeed()
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#)
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"""
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e2pread = []
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for i in range(0xCD):
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e2pread.extend(test.readE2P(i*0x80))
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with open("dump_434_232500.bin", "wb") as e2pfile:
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e2pfile.write(bytes(e2pread))
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"""
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e2pdata = []
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#with open("BrainwvaebusinessDefualt.birdyIOT.rev2.bin", "rb") as e2pfile:
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with open("dump2.bin", "rb") as e2pfile:
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e2pdata = e2pfile.read()
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if test.checkE2PData(e2pdata):
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for i in range(0xCD):
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chunk = e2pdata[ 0x80*i : 0x80*(i+1) ]
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print(test.writeE2P(i*0x80, chunk))
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#print(e2pdata)
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#print(test.port.read(62))
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