def recv_data(self, data):
tmp_str = ''
msg_valid = True
for i in range(len(data)):
tmp_str += data[2 * i:2 * (i + 1)] + ' '
print time.strftime("%H:%M:%S",
time.localtime()) + ' Recv: ' + tmp_str.upper()
self.buf_data = str_to_hex(data, 2)
for i in range(len(self.buf_data)):
if self.buf_data[i] == 0x68:
break
del self.buf_data[:i]
list_len = len(self.buf_data)
if list_len == 14 or list_len == 16:
checksum = calc_checksum(self.buf_data[:list_len - 2])
if self.buf_data[7] != 0x68 or self.buf_data[
8] & 0x40 or checksum != self.buf_data[
list_len - 2] or self.buf_data[list_len - 1] != 0x16:
print '提示: 解析数据报文失败!'
msg_valid = False
else:
print '提示: 解析数据报文失败!'
msg_valid = False
list_log = []
list_log.extend([time.strftime("%H:%M:%S", time.localtime())]) #发生时间
list_log.extend(['接收']) #传输方向
if msg_valid:
DI = ''
if list_len == 14:
for i in range(2):
DI += '%02X' % ((self.buf_data[11 - i] - 0x33) & 0xff)
else:
for i in range(4):
DI += '%02X' % ((self.buf_data[13 - i] - 0x33) & 0xff)
list_log.extend(['\'' + DI + '\'']) #数据标识
else:
list_log.extend([''])
list_log.extend([tmp_str.upper()]) #数据报文
addr = ''
for i in range(6):
addr += "%02X" % self.buf_data[6 - i]
self.save_log(addr, list_log)
return msg_valid
def recv_data(self, data):
tmp_str = ''
msg_valid = True
for i in range(len(data)):
tmp_str += data[2*i: 2*(i+1)] + ' '
print time.strftime("%H:%M:%S", time.localtime()) + ' Recv: ' + tmp_str.upper()
self.buf_data = str_to_hex(data, 2)
for i in range(len(self.buf_data)):
if self.buf_data[i] == 0x68:
break
del self.buf_data[:i]
list_len = len(self.buf_data)
if list_len == 14 or list_len == 16:
checksum = calc_checksum(self.buf_data[:list_len - 2])
if self.buf_data[7] != 0x68 or self.buf_data[8] & 0x40 or checksum != self.buf_data[list_len - 2] or self.buf_data[list_len - 1] != 0x16:
print '提示: 解析数据报文失败!'
msg_valid = False
else:
print '提示: 解析数据报文失败!'
msg_valid = False
list_log = []
list_log.extend([time.strftime("%H:%M:%S", time.localtime())]) #发生时间
list_log.extend(['接收']) #传输方向
if msg_valid:
DI = ''
if list_len == 14:
for i in range(2):
DI += '%02X' % ((self.buf_data[11 - i] - 0x33) & 0xff)
else:
for i in range(4):
DI += '%02X' % ((self.buf_data[13 - i] - 0x33) & 0xff)
list_log.extend(['\'' + DI + '\'']) #数据标识
else:
list_log.extend([''])
list_log.extend([tmp_str.upper()]) #数据报文
addr = ''
for i in range(6):
addr += "%02X" % self.buf_data[6-i]
self.save_log(addr, list_log)
return msg_valid
def send_data(self):
send_data = []
send_data.extend(self.buf_data[:8]) #拷贝电表地址
DI = 0
list_DI = []
data_len = self.buf_data[9]
for i in range(data_len):
list_DI.extend([self.buf_data[10 + i]])
self.buf_data[10 + i] = (self.buf_data[10 + i] - 0x33) & 0xff
DI += self.buf_data[10 + i] << (i*8)
tmp_list = []
for i in range(len(protocol_list)):
if data_len == 2 and protocol_list[i][0] != 'DLT645-1997.csv':
continue
if data_len == 4 and protocol_list[i][0] != 'DLT645-2007.csv':
continue
for j in range(2, len(protocol_list[i])):
if DI != int('0x' + protocol_list[i][j][0], 16):
continue
tmp_list = protocol_list[i][j]
break
break
if len(tmp_list) == 0:
if data_len == 2:
send_data.extend([0xC1]) #97表异常回复控制字
print 'Error: DLT645-1997.csv规约库没有数据标识 %04X.' % DI
elif data_len == 4:
send_data.extend([0xD1]) #07表异常回复控制字
print 'Error: DLT645-2007.csv规约库没有数据标识 %08X.' % DI
send_data.extend([0x01]) #Len
send_data.extend([0x01]) #ERR
else:
fmt = tmp_list[1]
size = int(tmp_list[2], 10)
unit = tmp_list[3]
name = tmp_list[5]
data = tmp_list[6]
if data_len == 2:
send_data.extend([0x81])
else:
send_data.extend([0x91])
send_data.extend([size + data_len])
send_data.extend(list_DI)
tmp_len = 0
start_pos = 0
while tmp_len < size:
end_pos = data.find(';', start_pos)
if end_pos == -1:
break
tmp_str = data[start_pos:end_pos]
tmp = str_to_hex(tmp_str, 2)
tmp.reverse()
send_data.extend(tmp)
start_pos = end_pos + 1
tmp_len += len(tmp)
for i in range(size):
send_data[10+data_len+i] = (send_data[10+data_len+i] + 0x33) & 0xff
send_data.extend([calc_checksum(send_data)])
send_data.extend([0x16])
ret = ''
for i in range(len(send_data)):
ret += '%02X' % send_data[i] + ' '
print time.strftime("%H:%M:%S", time.localtime()) + ' Send: ' + ret
list_log = []
list_log.extend([time.strftime("%H:%M:%S", time.localtime())])
list_log.extend(['发送'])
if len(tmp_list) == 0:
list_log.extend([''])
else:
if data_len == 2:
list_log.extend(['\'' + str('%04X' % DI) + '\'']) #数据标识
else:
list_log.extend(['\'' + str('%08X' % DI) + '\'']) #数据标识
list_log.extend([ret])
if len(tmp_list) == 0:
list_log.extend(['异常应答'])
else:
list_log.extend([tmp_list[5] + '(' + tmp_list[1] + '): ' + tmp_list[6]])
addr = ''
for i in range(6):
addr += "%02X" % send_data[6-i]
self.save_log(addr, list_log)
ret = ret.replace(' ', '')
ret = ret.decode('hex')
return ret
def send_data(self):
send_data = []
send_data.extend(self.buf_data[:8]) #拷贝电表地址
DI = 0
list_DI = []
data_len = self.buf_data[9]
for i in range(data_len):
list_DI.extend([self.buf_data[10 + i]])
self.buf_data[10 + i] = (self.buf_data[10 + i] - 0x33) & 0xff
DI += self.buf_data[10 + i] << (i * 8)
tmp_list = []
for i in range(len(protocol_list)):
if data_len == 2 and protocol_list[i][0] != 'DLT645-1997.csv':
continue
if data_len == 4 and protocol_list[i][0] != 'DLT645-2007.csv':
continue
for j in range(2, len(protocol_list[i])):
if DI != int('0x' + protocol_list[i][j][0], 16):
continue
tmp_list = protocol_list[i][j]
break
break
if len(tmp_list) == 0:
if data_len == 2:
send_data.extend([0xC1]) #97表异常回复控制字
print 'Error: DLT645-1997.csv规约库没有数据标识 %04X.' % DI
elif data_len == 4:
send_data.extend([0xD1]) #07表异常回复控制字
print 'Error: DLT645-2007.csv规约库没有数据标识 %08X.' % DI
send_data.extend([0x01]) #Len
send_data.extend([0x01]) #ERR
else:
fmt = tmp_list[1]
size = int(tmp_list[2], 10)
unit = tmp_list[3]
name = tmp_list[5]
data = tmp_list[6]
if data_len == 2:
send_data.extend([0x81])
else:
send_data.extend([0x91])
send_data.extend([size + data_len])
send_data.extend(list_DI)
tmp_len = 0
start_pos = 0
while tmp_len < size:
end_pos = data.find(';', start_pos)
if end_pos == -1:
break
tmp_str = data[start_pos:end_pos]
tmp = str_to_hex(tmp_str, 2)
tmp.reverse()
send_data.extend(tmp)
start_pos = end_pos + 1
tmp_len += len(tmp)
for i in range(size):
send_data[10 + data_len +
i] = (send_data[10 + data_len + i] + 0x33) & 0xff
send_data.extend([calc_checksum(send_data)])
send_data.extend([0x16])
ret = ''
for i in range(len(send_data)):
ret += '%02X' % send_data[i] + ' '
print time.strftime("%H:%M:%S", time.localtime()) + ' Send: ' + ret
list_log = []
list_log.extend([time.strftime("%H:%M:%S", time.localtime())])
list_log.extend(['发送'])
if len(tmp_list) == 0:
list_log.extend([''])
else:
if data_len == 2:
list_log.extend(['\'' + str('%04X' % DI) + '\'']) #数据标识
else:
list_log.extend(['\'' + str('%08X' % DI) + '\'']) #数据标识
list_log.extend([ret])
if len(tmp_list) == 0:
list_log.extend(['异常应答'])
else:
list_log.extend(
[tmp_list[5] + '(' + tmp_list[1] + '): ' + tmp_list[6]])
addr = ''
for i in range(6):
addr += "%02X" % send_data[6 - i]
self.save_log(addr, list_log)
ret = ret.replace(' ', '')
ret = ret.decode('hex')
return ret