def whPPValue(self, whAdr=0, HiB='00', LoB='00'):
"""Method is intended for reading value of power profile by given record address
Sends command to read the value of power profile by given record address
Args:
whAdr (int): the metering device address, for Mercury 230 from 1 to 240, 0 corresponds to the address of any device on the bus.
HiB (str): high byte records addres, default value - 00.
LoB (str): low byte records addres, default value - 00.
Returns:
dict: with key: (type) value.
HiB :(str) high byte records addres.
LoB :(str) low byte records addres.
Status: (str) binary representation of records status (check protocol), e.g. 11001.
H: (str) records Hour fixation.
m: (str) records Minute fixation.
d: (str) records Day fixation.
m: (str) records Month fixation.
y: (str) records Year fixation.
Period: (int) power discreteness.
A :(float) active energy value.
R :(float) reactive energy value.
Examples:
>>> PPVal = merc.whPPValue(whAdr=145, HiB='48', LoB='E0')
>>> print 'Record Status: %s, Period: %s, A: %s, R: %s, DateTime: %s-%s-%s %s:%s' % \
(PPVal['Status'], PPVal['Period'], PPVal['A'], PPVal['R'], PPVal['d'], PPVal['m'], PPVal['y'], PPVal['H'], PPVal['M'])
Last Record Status: 1001, Period: 30, A: 0.0, R: 0.0, DateTime: 16-06-15 12:30
"""
chByte = lambda x: chr(int(x, 16))
whPPValCmd = chr(whAdr) + '\x06\x03' + chByte(HiB) + chByte(LoB) + '\x0F'
ans = self.cmdWR(whPPValCmd)
if ans and self._whAnsCheck(whAdr, ans):
try:
PPV = {
'Status':bin(int(ans[1], 16))[2:],
'H':chSim(ans[2]),
'M':chSim(ans[3]),
'd':chSim(ans[4]),
'm':chSim(ans[5]),
'y':chSim(ans[6]),
'Period':int(ans[7], 16),
'A':int(ans[9]+ans[8], 16)*0.001,
'R':int(ans[13]+ans[12], 16)*0.001
}
except Exception, e:
logging.error(u'Не удалось выполнить чтение записи профиля мощности по адресу 0x%s%s! Причина: %s' % (HiB,LoB,e))
PPV = False
def whPPLastRecord(self, whAdr=0):
"""Method is intended for reading last record values of power profile
Sends command to read the last record values of power profile
Args:
whAdr (int): the metering device address, for Mercury 230 from 1 to 240, 0 corresponds to the address of any device on the bus.
Returns:
dict: with key: (type) value.
HiB :(str) high byte records addres.
LoB :(str) low byte records addres.
Status: (str) binary representation of records status (check protocol), e.g. 11001
H: (str) records Hour fixation
m: (str) records Minute fixation
d: (str) records Day fixation
m: (str) records Month fixation
y: (str) records Year fixation
Period: (int) power discreteness
Examples:
>>> PPLR = merc.whPPLastRecord(whAdr=145)
>>> print 'Last Record Status: %s, Period: %s, High Byte: %s, Low Byte: %s, DateTime: %s-%s-%s %s:%s' % \
(PPLR['Status'], PPLR['Period'], PPLR['HiB'], PPLR['LoB'], PPLR['d'], PPLR['m'], PPLR['y'], PPLR['H'], PPLR['M'])
Last Record Status: 11001, Period: 30, High Byte: 49, Low Byte: 30, DateTime: 16-06-15 12:30
"""
PPLR = False
whPPLRCmd = chr(whAdr) + '\x08\x13'
ans = self.cmdWR(whPPLRCmd)
if ans and self._whAnsCheck(whAdr, ans):
try:
PPLR = {
'HiB':ans[1],
'LoB':ans[2],
'Status':bin(int(ans[3], 16))[2:],
'H':chSim(ans[4]),
'M':chSim(ans[5]),
'd':chSim(ans[6]),
'm':chSim(ans[7]),
'y':chSim(ans[8]),
'Period':int(ans[9], 16),
}
except Exception, e:
logging.error(u'Не удалось выполнить чтение последней записи профиля мощности! Причина: %s' % e)
PPLR = False
def TXRX(self, cmd):
answer = []
ansHex = []
ansChr=''
attempts = self.attempt
timeO=0
while attempts>0:
cmdTX = self.TX(cmd + self.CRC.calculate(cmd))
logging.debug(u'TX >>> %s [%s]' % (" ".join(cmdTX[0]), str(cmdTX[1])))
while timeO < self.whTimeout:
time.sleep(0.1)
ansChr += self.RX()
ansHex += [chSim(hex(ord(x))[2:]) for x in ansChr]
if self.CRC.check(ansChr):
timeO = self.whTimeout
cmdRX = [ansHex, len(ansHex)]
logging.debug(u'RX <<< %s [%s]' % (" ".join(cmdRX[0]), str(cmdRX[1])))
else:
timeO += 0.1
if self.CRC.check(ansChr):
attempts = 0
answer = ansHex
else:
attempts -= 1
timeO = 0
answer = u'Нет ответа от устройства!'
logging.error(answer)
return answer
def whNum(self, whAdr=0): """Method is intended to read the serial number of the metering device Sends command to read the serial number of the metering device Args: whAdr (int): the metering device address, for Mercury 230 from 1 to 240, 0 corresponds to the address of any device on the bus. Returns: str: device serial number as a string. Examples: >>> m230.whNum (whAdr = 145) 11199145 """ whNum = False whNumCmd = chr(whAdr) + '\x08\x00' logging.info(u'Чтение серийного номера прибора учета: %s' % str(whAdr)) ans = self.cmdWR(whNumCmd) if ans and self._whAnsCheck(whAdr, ans): try: whN = [chSim(str(int(x, 16))) for x in ans[1:5]] whNum = "".join(whN) except Exception, e: logging.error(u'Не удалось выполнить чтение серийного номера прибора учета! Причина: %s' % e) whNum = False
def TXRX(self, cmd, crcString, crcCheck, getRX, ansChLine):
answer = []
ansHex = []
ansHex1 = []
ansChr=''
ansBuf = ''
attempts = self.attempt
cmdTX = self.TX(cmd + self.CRC.calculate(crcString))
logging.debug(u'TX >>> %s <<<>>> %s [%d]' % (" ".join(cmdTX[0]), cmdTX[1], cmdTX[2]))
if getRX:
while True and attempts>0:
time.sleep(self.whRXTimeout)
ansChr += self.RX()
ansBuf += ansChr
if self.RX_check(ansBuf, crcCheck, ansChLine):
attempts = 0
ansHex += [chSim(hex(ord(x))[2:]) for x in ansBuf] #
answer = ansHex #!
cmdRX = [ansHex, ansBuf, len(ansHex)] #
logging.debug(u'RX <<< %s <<<>>> %s [%s]' % (" ".join(cmdRX[0]), cmdRX[1], str(cmdRX[2])))
else:
attempts -= 1
ansHex += [chSim(hex(ord(x))[2:]) for x in ansChr] #
cmdRX = [ansHex, ansChr, len(ansHex)]
logging.debug(u'RX <<< %s <<<>>> %s [%s]' % (" ".join(cmdRX[0]), cmdRX[1], str(cmdRX[2])))
ansChr=''#!!!!!!!!!!!!!
if attempts>0:
logging.error(u'Осталось попыток запроса: %d' % attempts)
else:
logging.error(u'Количество попыток запроса исчерпано!')
'''
if self.RX_check(ansChr, crcCheck, ansChLine):
attempts = 0
answer = ansHex
else:
attempts -= 1
timeO = 0
answer = False
'''
else:
attempts = 0
answer = True
return answer
def _whAnsCheck(self, whAdr=0, ansCmd=[]):
whAnsDict = {
'00':u'Все нормально',
'01':u'Недопустимая команда или параметр',
'02':u'Внутренняя ошибка счетчика',
'03':u'Не достаточен уровень доступа для удовлетворения запроса',
'04':u'Внутренние часы счетчика уже корректировались в течение текущих су¬ток',
'05':u'Не открыт канал связи',
}
if not ansCmd:
logging.error(u'Для анализа ответа дана пустая строка!')
return False
else:
if (ansCmd[0]==chSim(hex(whAdr)[2:]) and len(ansCmd)>4) or ansCmd[0:2] == [chSim(hex(whAdr)[2:]), '00']:
return True
else:
logging.error(whAnsDict[ansCmd[1]])
return False
def TX(self, cmd):
totalsent = 0
while totalsent < len(cmd):
#print len(cmd)
sent = self.sock.send(cmd[totalsent:])
if sent == 0:
raise RuntimeError("socket connection broken")
totalsent = totalsent + sent
cmdsend = [chSim(hex(ord(x))[2:]) for x in cmd]
cmdTX = [cmdsend, cmd, len(cmdsend)]
return cmdTX
def TX(self, cmd): """ Метод предназначен для отправки данных в порт Принимает в качестве параметров команду Возвращает список: cmdTX[0] - список, отправленная команда в 16-м представлении cmdTX[1] - количество отправленных байт """ self.ser.write(cmd) cmdsend = [chSim(hex(ord(x))[2:]) for x in cmd] cmdTX = [cmdsend, len(cmdsend)] return cmdTX
def modemTXRX(self, cmd, modemTimeout=5): ansHex = [] answer = [] ansChr='' cmdTX = self.modemTX(cmd) logging.debug(u'TX >>> ' + " ".join(cmdTX[0]) + ' <<<>>> ' + cmdTX[1] + ' [' + str(cmdTX[2]) +'] ') time.sleep(modemTimeout) ansChr += self.modemRX() ansHex += [chSim(hex(ord(x))[2:]) for x in ansChr] cmdRX = [ansHex, ansChr, len(ansHex)] logging.debug(u'RX <<< ' + " ".join(cmdRX[0]) + ' <<<>>> ' + cmdRX[1] + ' [' + str(cmdRX[2]) +'] ') answer = [ansHex, ansChr] return answer
def TXRX(self, cmd, byteExpected=0): answer = [] ansHex = [] answer = [] ansChr='' timeO=0 attempts = self.attempt while attempts>0: cmdTX = self.TX(cmd + self.CRC.calculate(cmd)) logging.debug(u'TX >>> ' + " ".join(cmdTX[0]) + ' [' + str(cmdTX[1]) +'] ') ansChr += self.RX() ansHex += [chSim(hex(ord(x))[2:]) for x in ansChr] """" while timeO < self.whTimeout: print timeO time.sleep(0.1) ansChr += self.RX() ansHex += [chSim(hex(ord(x))[2:]) for x in ansChr] if self.CRC.check(ansChr): timeO = self.whTimeout cmdRX = [ansHex, len(ansHex)] logging.debug(u'RX <<< ' + " ".join(cmdRX[0]) + ' [' + str(cmdRX[1]) +'] ') else: timeO += 0.1 """ if self.CRC.check(ansChr): attempts = 0 answer = ansHex ####### cmdRX = [ansHex, len(ansHex)] logging.debug(u'RX <<< ' + " ".join(cmdRX[0]) + ' [' + str(cmdRX[1]) +'] ') ####### else: attempts -= 1 timeO = 0 answer = False if attempts>0: logging.error(u'Осталось попыток запроса: %d' % attempts) else: logging.error(u'Количество попыток запроса исчерпано!') return answer
def TX(self, cmd):
"""
Метод предназначен для отправки данных в порт
Принимает в качестве параметров команду
Возвращает список:
cmdTX[0] - список, отправленная команда в 16-м представлении
cmdTX[1] - количество отправленных байт
"""
totalsent = 0
while totalsent < len(cmd):
#print len(cmd)
sent = self.sock.send(cmd[totalsent:])
if sent == 0:
raise RuntimeError("socket connection broken")
totalsent = totalsent + sent
cmdsend = [chSim(hex(ord(x))[2:]) for x in cmd]
cmdTX = [cmdsend, len(cmdsend)]
return cmdTX
"""