def __unpack_inventory_buffer( self, data ):
try:
count, length = struct.unpack( '>HB', data[0:3] )
except BaseException as err:
logging.error( err )
return ''
if (length + 6) != len( data ):
return ''
pc = struct.unpack( '>H', data[3:5] )[0]
size = ( ( pc & 0xF800 ) >> 10 ) & 0x003E
epc = ''.join( [ '%02X' % x for x in data[5:size+5] ] )
crc = struct.unpack( '>H', data[size+5:size+5+2] )[0]
if crc != ( libscrc.xmodem( data[3:size+5], 0xFFFF ) ^ 0xFFFF ):
logging.error( 'TAGS CRC16 is ERROR.')
return ''
rssi = ( data[-3] - 129 )
ant = ( data[-2] & 0x03 ) + 1 # Bugfix:20200303
invcount = data[-1]
logging.debug( '*'*50 )
logging.debug( 'COUNT : {}'.format( count ) )
logging.debug( 'EPC : {}'.format( epc ) )
logging.debug( 'CRC : {:X}'.format( crc ) )
logging.debug( 'RSSI : {}'.format( rssi ) )
logging.debug( 'ANT : {}'.format( ant ) )
logging.debug( 'INVCOUNT : {}'.format( invcount ) )
return ( ant, rssi, epc )
def getCk(self,ck,data):
result = libscrc.xmodem(data)
print("计算校验值高8位")
cka = hex(int(bin(result)[2:10], 2))
print("计算校验值低8位")
ckb = hex(int(bin(result)[11:18], 2))
print("校验结果，高8位，低8为分别为：",cka,"",ckb)
def createqr_promptpay(account,
one_time=True,
country="TH",
money="",
currency="THB"):
Version = "0002" + "01" # เวชั่นของ PromptPay
if one_time == True: # one_time คือ ต้องการให้โค้ดนี้ครั้งเดียวหรือไม่
one_time = "010212" # 12 ใช้ครั้งเดียว
else:
one_time = "010211" # 11 ใช้ได้้หลายครั้ง
if len(account) == 10 or len(account) == 13:
merchant_account_information = "2937" # ข้อมูลผู้ขาย
else:
merchant_account_information = "2939" # ข้อมูลผู้ขาย
merchant_account_information += "0016" + "A000000677010111" # หมายเลขแอปพลิเคชั่น PromptPay
if len(account) == 10: #ถ้าบัญชีนี้เป็นเบอร์โทร
account = list(account)
merchant_account_information += "011300" # 01 หมายเลขโทรศัพท์ ความยาว 13 ขึ้นต้น 00
if country == "TH":
merchant_account_information += "66" # รหัสประเทศ 66 คือประเทศไทย
del account[0] # ตัดเลข 0 หน้าเบอร์ออก
merchant_account_information += ''.join(account)
elif len(account) == 13: #ถ้าบัญชีนี้เป็นบัตรประชาชน
merchant_account_information += "0213" + account.replace('-', '')
else: #ไม่ใช่เบอร์โทร และ บัตรประชาชน เป็นเลขอ้างอิง
merchant_account_information += "0315" + account + "5303764"
country = "5802" + country # ประเทศ
if currency == "THB":
currency = "5303" + "764" # "764" คือเงินบาทไทย ตาม https://en.wikipedia.org/wiki/ISO_4217
if money != "": # กรณีกำหนดเงิน
check_money = money.split('.') # แยกจาก .
if len(check_money) == 1 or len(
check_money[1]
) == 1: # กรณีที่ไม่มี . หรือ มีทศนิยมแค่หลักเดียว
money = "54" + "0" + str(len(str(float(money))) + 1) + str(
float(money)) + "0"
else:
money = "54" + "0" + str(len(str(float(money)))) + str(
float(money)) # กรณีที่มีทศนิยมครบ
check_sum = Version + one_time + merchant_account_information + country + currency + money + "6304" # เช็คค่า check sum
check_sum1 = hex(libscrc.xmodem(check_sum.encode('ascii'),
0xffff)).replace('0x', '')
if len(check_sum1) < 4: # # แก้ไขข้อมูล check_sum ไม่ครบ 4 หลัก
check_sum1 = ("0" * (4 - len(check_sum1))) + check_sum1
check_sum += check_sum1
img = qrcode.make(check_sum.upper())
buffered = io.BytesIO()
img.save(buffered, format="PNG")
buffered.seek(0)
img_byte = buffered.getvalue()
return "data:image/png;base64," + base64.b64encode(img_byte).decode()
def program(self, p):
self.select_aid()
self.verify_adm_keys()
# EF.IMSI
if p.get('imsi'):
sw = self.update_imsi(p['imsi'])
if sw != '9000':
print("Programming IMSI failed with code %s" % sw)
# EF.HPLMNwACT
if p.get('mcc') and p.get('mnc'):
sw = self.update_hplmn_act(p['mcc'], p['mnc'])
if sw != '9000':
print("Programming HPLMNwAcT failed with code %s" % sw)
# EF.AD
if p.get('mcc') and p.get('mnc'):
sw = self.update_ad(p['mnc'])
if sw != '9000':
print("Programming AD failed with code %s" % sw)
# Set the Ki using proprietary command
r = self._scc.select_file(['3f00', '7fff'])
data, sw = self._scc._tp.send_apdu(self._scc.cla_byte + "a4" + "090c" +
"02" + self._EF_num['Ki'])
data, sw = self._scc._tp.send_apdu(
self.APDU_UPDATE_KI_OPC_PREFIX + p['ki'] +
self.pad_crc(format(libscrc.xmodem(p['ki'].decode("hex")), 'x')))
# Set the OPc using proprietary command
data, sw = self._scc._tp.send_apdu(self._scc.cla_byte + "a4" + "090c" +
"02" + self._EF_num['OPc'])
data, sw = self._scc._tp.send_apdu(
self.APDU_UPDATE_KI_OPC_INFIX + p['opc'] +
self.pad_crc(format(libscrc.xmodem(p['opc'].decode("hex")), 'x')) +
self.APDU_UPDATE_KI_OPC_SUFFIX)
# EF.SPN
if p.get('name'):
sw = self.update_spn(p['name'])
if sw != '9000':
print("Programming SPN failed with code %s" % sw)
def write( self, epc:str, data:str, bank='EPC', address=0, password=[ 0 ]*4 ):
""" Write Tag to ( EPC, TID, USER )
EPC -> address=2, size=8
TID -> address=0, size=3
USER -> address=0, size=2
"""
assert( type( epc ) is str ) and ( type( data ) is str )
result = self.set_access_epc_match( mode=0, epc=epc )
if ( len(result) == 0) or (not result[0] ):
return ''
try:
self.protocol.write_block( list( bytearray.fromhex( data ) ),
bank=bank,
addr=address,
password=password )
except BaseException:
logging.error( 'Data must be hex string.' )
return ''
value = ImpinjR2KReader.analyze_data( 'DATA' )( lambda x, y : y )( self, None )
try:
count, length = struct.unpack( '>HB', value[0:3] )
except BaseException:
logging.error( ImpinjR2KGlobalErrors.to_string( value[0] ) )
return ''
if (length + 6) != len( value ):
return ''
pc = struct.unpack( '>H', value[3:5] )[0]
size = ( ( pc & 0xF800 ) >> 10 ) & 0x003E
epc = ''.join( [ '%02X' % x for x in value[5:size+5] ] )
crc = struct.unpack( '>H', value[size+5:size+5+2] )[0]
if crc != ( libscrc.xmodem( value[3:size+5], 0xFFFF ) ^ 0xFFFF ):
logging.error( 'TAGS CRC16 is ERROR.')
return ''
error = ( True if value[-3] == ImpinjR2KGlobalErrors.SUCCESS else False, ImpinjR2KGlobalErrors.to_string( value[-3] ) )
ant = ( value[-2] & 0x03 ) + 1
wcount = value[-1]
logging.debug( '*'*50 )
logging.debug( 'COUNT : {}'.format( count ) )
logging.debug( 'EPC : {}'.format( epc ) )
logging.debug( 'CRC : {:X}'.format( crc ) )
logging.debug( 'ERROR : {}'.format( error ) )
logging.debug( 'ANT : {}'.format( ant ) )
logging.debug( 'WriteCount : {}'.format( wcount) )
return epc
def getCk(self, ck, data):
data1 = str(data).encode()
result = libscrc.xmodem(data1)
print("计算校验值高8位")
cka = str(hex(int(bin(result)[2:10], 2)))
print("计算校验值低8位")
ckb = str(hex(int(bin(result)[11:18], 2)))
print("校验结果，高8位，低8为分别为：", cka, "", ckb)
if (cka[2:] == ck[0] and ckb[2:] == ck[1]):
print("校验合格")
else:
print("数据包出错")
def computeCk(self, data):
print("计算校验值，使用有效负载，以及心跳包的额外值进行计算")
data1 = ''
for i in data:
data1 = data1 + i
data1 = data1.encode()
print(data1)
result = libscrc.xmodem(data1)
print("计算校验值高8位")
cka = int(bin(result)[2:10], 2)
print("计算校验值低8位")
ckb = int(bin(result)[11:18], 2)
return [cka, ckb]
def read( self, epc:str, bank='EPC', address=0, size=2, password=[ 0 ]*4 ):
"""
EPC -> address=0, size=8
TID -> address=0, size=3
USER -> address=0, size=2
"""
result = self.set_access_epc_match( mode=0, epc=epc )
if ( len(result) == 0) or (not result[0] ):
return ''
self.protocol.read( bank=bank, addr=address, size=size, password=password )
value = ImpinjR2KReader.analyze_data( 'DATA', timeout=5 )( lambda x, y : y )( self, None )
try:
count, length = struct.unpack( '>HB', value[0:3] )
except BaseException:
logging.error( ImpinjR2KGlobalErrors.to_string( value[0] ) )
return ''
pc = struct.unpack( '>H', value[3:5] )[0]
size = ( ( pc & 0xF800 ) >> 10 ) & 0x003E
epc = ''.join( [ '%02X' % x for x in value[5:size+5] ] )
crc = struct.unpack( '>H', value[size+5:size+5+2] )[0]
if crc != ( libscrc.xmodem( value[3:size+5], 0xFFFF ) ^ 0xFFFF ):
logging.error( 'TAGS CRC16 IS ERROR.')
return ''
datasize = value[-3]
antenna = ( value[-2] & 0x03 ) + 1
invcount = value[-1]
data_offset_head = size + 5 + 2
data_offset_tail = ( data_offset_head + datasize )
data = ''.join( [ '%02X' % x for x in value[ data_offset_head:data_offset_tail ] ] )
logging.debug( '*'*50 )
logging.debug( 'COUNT : {}'.format( count ) )
logging.debug( 'LENGTH : {}'.format( length ) )
logging.debug( 'SIZE : {}'.format( size ) )
logging.debug( 'EPC : {}'.format( epc ) )
logging.debug( 'CRC : {:X}'.format( crc ) )
logging.debug( 'DATA : {}'.format( data ) )
logging.debug( 'DATASIZE : {}'.format( datasize ) )
logging.debug( 'ANT : {}'.format( antenna ) )
logging.debug( 'INVCOUNT : {}'.format( invcount ) )
return data
def build_packet(command, randomByte):
header = bytearray([0x1B])
data = bytearray([
0x00,
0x02, # byteArrayLenPlusOne # shit, had 1 here for a long time, should be 2 (command + randomByte) # should actually be len(cmd+random+data) but we dont support data :)
command, # command (who are you)
randomByte, # randombyte
])
# bluelab uses xmodem-style crc16 (0x1021 poly)
# header doesn't get crc'd
crc = libscrc.xmodem(bytes(data))
crcBytes = crc.to_bytes(2, byteorder='big')
# build packet
return header + data + crcBytes