imsi decode

#测试数据
'''
00E802370EF85C806701
460038550033678

0057029F64E45C806701
460036000249260
'''

#0x3FF mask
H3fMask = 0b1111111111

#0x3FFF mask
H3ffMask = 0b11111111111111

#0xFFFFFF mask
H6fMask = 0b111111111111111111111111

minTab = ['1','2','3','4','5','6','7','8','9','0']

def ImsiHundredsDigit(x):
    return int(((x/100)%10))

def ImsiTensDigit(x):
    return int(((x/10)%10))

def ImsiOnesDigit(x):
    return int(((x/1)%10))

class RuimImsiType:
    imsiClass = 0
    imsiS2 = [0,0]
    imsiS1 = [0,0,0]
    imsiL1L2 = 0
    imsiAddrNum = 0
    imsiMcc = [0,0]
    imsi = ''
    tmpdata = ''

#把字符串装换成十六进制，并且输出到dataUim
def InDataDecode(dataUim,data):
    tmp = 0
    #get X16 data
    for i in range(0,len(data),2):
        tmpstr = str(data[i])+str(data[i+1])
        tmp = int(tmpstr,16)
        #print(tmp)

        if i == 0:
            dataUim.imsiClass = tmp
        elif i == 2:
            dataUim.imsiS2[0] = tmp
        elif i == 4:
            dataUim.imsiS2[1] = tmp
        elif i == 6:
            dataUim.imsiS1[0] = tmp
        elif i == 8:
            dataUim.imsiS1[1] = tmp
        elif i == 10:
            dataUim.imsiS1[2] = tmp
        elif i == 12:
            dataUim.imsiL1L2 = tmp
        elif i == 14:
            dataUim.imsiAddrNum = tmp
        elif i == 16:
            dataUim.imsiMcc[0] = tmp
        elif i == 18:
            dataUim.imsiMcc[1] = tmp
        else:
            print("error InDataDecode"+str(i))

        #print('tmp= ' + str(tmp))
        dataUim.tmpdata = dataUim.tmpdata + str(tmp) + ' '

def DecodeMin1(dataUim):
    min1 =  (dataUim.imsiS1[2] << 16 )|  
            (dataUim.imsiS1[1] << 8 ) |  
             dataUim.imsiS1[0]

    min_str = min1 & H6fMask
    
    temp = (min_str >> 14) & H3fMask
        
    tempstr = minTab[ImsiHundredsDigit(temp)]
    dataUim.imsi =dataUim.imsi +  tempstr
    tempstr = minTab[ImsiTensDigit(temp)]
    dataUim.imsi = dataUim.imsi + tempstr
    tempstr = minTab[ImsiOnesDigit(temp)]
    dataUim.imsi = dataUim.imsi + tempstr

    temp = ((min_str & H3ffMask) >> 10) & 0b1111
    
    #data
    if temp ==10:
        dataUim.imsi = dataUim.imsi + '0'
    else:
        dataUim.imsi = dataUim.imsi + str(temp)

    temp = min_str & H3fMask

    tempstr = minTab[ImsiHundredsDigit(temp)]
    dataUim.imsi =dataUim.imsi +  tempstr
    tempstr = minTab[ImsiTensDigit(temp)]
    dataUim.imsi = dataUim.imsi + tempstr
    tempstr = minTab[ImsiOnesDigit(temp)]
    dataUim.imsi = dataUim.imsi + tempstr


def DataCheck():
    if len(data)!= 20:
        print('data error , len error')
        sys.exit()


if __name__ == '__main__':

    
    #data = "0057029F64E45C806701"
    #data = "00E802370EF85C806701"

    DataCheck()
    
    dataUim = RuimImsiType 
    InDataDecode(dataUim,data)

    DecodeMcc(dataUim)
    Decode1112(dataUim)
    DecodeMin2(dataUim)
    DecodeMin1(dataUim)

    print('input data： '+ str(data))
#   print(dataUim.tmpdata)
    print('imsi      : ' + str(dataUim.imsi))

higMask = 0b11110000
lowMask = 0b00001111

def higer_bcd(x):
    return (x & higMask) >> 4 

def lower_bcd(x):
    return (x & lowMask)

if __name__ == '__main__':
    data = "0057029F64E45C806701"

    data2 = [73,6,17,96,70,99,34,8]

    odd_digits = data2[0] & 0b1000

    print('odd_digits = ' + str(odd_digits))

    output=[]

    for i in range(0,len(data2)):

        if i == 0:
            output.append(higer_bcd(data2[i]))

        elif i == len(data2)-1:
            output.append(lower_bcd(data2[i]))
            if odd_digits!=0:
                output.append(higer_bcd(data2[i]))

        else:
            output.append(lower_bcd(data2[i]))
            output.append(higer_bcd(data2[i]))

    print(str(output))