def configure_cr_packet(self):
req_addr = self.cr_request_obj.findChildByName('addr')
req_pwd = self.cr_request_obj.findChildByName('pwd')
password = format_password(self.password)
req_addr.setValue(self.bin_addr)
req_pwd.setValue(password)
self.cr_checksum = (0x58 + calc_sum(self.bin_addr) +
calc_sum(password)) & 0xFF
def configure_cr_packet(self):
req_addr = self.cr_request_obj.findChildByName('addr')
req_pwd = self.cr_request_obj.findChildByName('pwd')
password = format_password(self.password)
req_addr.setValue(self.bin_addr)
req_pwd.setValue(password)
self.cr_checksum = (0x58 + calc_sum(self.bin_addr) +
calc_sum(password)) & 0xFF
def _write_cr_value(self, value, wait_time=None, numretries=None):
"""Only to be used by set_cr_value method
Value should only be an integer
"""
if not self.is_running():
raise ENotRunning()
if numretries is None:
numretries = self.retry_count
data = self.cr_request_obj.findChildByName('data')
bcc = self.cr_request_obj.findChildByName('bcc')
checksum = (self.cr_checksum + value) & 0xFF
data.setValue(value)
bcc.setValue(checksum)
while numretries:
try:
self._send_request(self.cr_request_obj, self.cr_response_obj,
wait_time, 1)
resp_addr = self.cr_response_obj.findChildByName('addr')
resp_bcc = self.cr_response_obj.findChildByName('bcc')
addr = resp_addr.getValue()
bcc = resp_bcc.getValue()
checksum = (0xD3 + calc_sum(addr)) & 0xFF
if checksum != bcc:
raise EBadChecksum()
if self.bin_addr != addr:
raise EInvalidMessage()
return
except:
numretries -= 1
raise
def configure_packet(self):
req_addr = self.request_obj.findChildByName('addr')
req_cs = self.request_obj.findChildByName('cs')
req_addr.setValue(self.bin_addr)
#0xD9 is checksum of rest of field, which will remain constant
checksum = (0xD9 + calc_sum(self.bin_addr)) & 0xFF
req_cs.setValue(checksum)
def _write_cr_value(self, value, wait_time=None, numretries=None):
"""Only to be used by set_cr_value method
Value should only be an integer
"""
if not self.is_running():
raise ENotRunning()
if numretries is None:
numretries = self.retry_count
data = self.cr_request_obj.findChildByName('data')
bcc = self.cr_request_obj.findChildByName('bcc')
checksum = (self.cr_checksum + value) & 0xFF
data.setValue(value)
bcc.setValue(checksum)
while numretries:
try:
self._send_request(self.cr_request_obj,
self.cr_response_obj, wait_time, 1)
resp_addr = self.cr_response_obj.findChildByName('addr')
resp_bcc = self.cr_response_obj.findChildByName('bcc')
addr = resp_addr.getValue()
bcc = resp_bcc.getValue()
checksum = (0xD3 + calc_sum(addr)) & 0xFF
if checksum != bcc:
raise EBadChecksum()
if self.bin_addr != addr:
raise EInvalidMessage()
return
except:
numretries -= 1
raise
def configure_packet(self):
req_addr = self.request_obj.findChildByName("addr")
req_cs = self.request_obj.findChildByName("cs")
req_addr.setValue(self.bin_addr)
# 0xD9 is checksum of rest of field, which will remain constant
checksum = (0xD9 + calc_sum(self.bin_addr)) & 0xFF
req_cs.setValue(checksum)
def _read(self, wait_time=None, numretries=None):
"""Reads the device.
Sends the request packet, recieves the response packet.
Parses it. Updates the current reading value
Should be called only by get_value()
"""
if numretries is None:
numretries = self.retry_count
while numretries:
try:
self._send_request(self.request_obj, self.response_obj,
wait_time, 1)
resp_addr = self.response_obj.findChildByName('addr')
resp_cs = self.response_obj.findChildByName('cs')
resp_data = self.response_obj.findChildByName('data')
addr = resp_addr.getValue()
cs = resp_cs.getValue()
data = resp_data.getValue()
checksum = (0x5D + calc_sum(addr) + calc_sum(data)) & 0xFF
if checksum != cs:
#some error in the response packet
if self.debug:
msglog.log("omnimeter", msglog.types.WARN,
"Checksum didn't match %s" % self.address)
raise EBadChecksum()
if self.bin_addr != addr:
#it's not me. don't think this would ever happen, but who knows
if self.debug:
msglog.log(
'omnimeter', msglog.types.WARN,
"Got some other meter's response (Strange!!) %s" %
self.address)
raise EInvalidMessage()
meter_reading = format_reading(data)
self.update_value(meter_reading)
return
except:
numretries -= 1
raise
def _read(self, wait_time=None, numretries=None):
"""Reads the device.
Sends the request packet, recieves the response packet.
Parses it. Updates the current reading value
Should be called only by get_value()
"""
if numretries is None:
numretries = self.retry_count
while numretries:
try:
self._send_request(self.request_obj, self.response_obj, wait_time, 1)
resp_addr = self.response_obj.findChildByName("addr")
resp_cs = self.response_obj.findChildByName("cs")
resp_data = self.response_obj.findChildByName("data")
addr = resp_addr.getValue()
cs = resp_cs.getValue()
data = resp_data.getValue()
checksum = (0x5D + calc_sum(addr) + calc_sum(data)) & 0xFF
if checksum != cs:
# some error in the response packet
if self.debug:
msglog.log("omnimeter", msglog.types.WARN, "Checksum didn't match %s" % self.address)
raise EBadChecksum()
if self.bin_addr != addr:
# it's not me. don't think this would ever happen, but who knows
if self.debug:
msglog.log(
"omnimeter",
msglog.types.WARN,
"Got some other meter's response (Strange!!) %s" % self.address,
)
raise EInvalidMessage()
meter_reading = format_reading(data)
self.update_value(meter_reading)
return
except:
numretries -= 1
raise
def _read_rt_value(self, wait_time=None, numretries=None):
"""Don't use Me.
"""
if numretries is None:
numretries = self.retry_count
while numretries:
try:
self._send_request(self.rt_request_obj, self.rt_response_obj,
wait_time, 1)
resp_addr = self.rt_response_obj.findChildByName('addr')
resp_data = self.rt_response_obj.findChildByName('data')
resp_bcc = self.rt_response_obj.findChildByName('bcc')
addr = resp_addr.getValue()
data = resp_data.getValue()
bcc = resp_bcc.getValue()
checksum = (0xD9 + calc_sum(addr) + calc_sum(data)) & 0xFF
if checksum != bcc:
raise EBadChecksum()
if self.bin_addr != addr:
raise EInvalidMessage()
values = {}
values['EM_RecMeterValue'] = format_rt_reading(data[0:4])
values['EM_SenMeterValue'] = format_rt_reading(data[4:8])
values['EM_RecActivePower'] = format_rt_reading(data[8:12])
values['EM_SenActivePower'] = format_rt_reading(data[12:16])
values['EM_RecPassive1MeterValue'] = format_rt_reading(
data[16:20])
values['EM_RecPassive2MeterValue'] = format_rt_reading(
data[20:24])
values['EM_RecPassivePower1'] = format_rt_reading(data[24:28])
values['EM_RecPassivePower2'] = format_rt_reading(data[28:32])
values['EM_SenPassive1MeterValue'] = format_rt_reading(
data[32:36])
values['EM_SenPassive2MeterValue'] = format_rt_reading(
data[36:40])
values['EM_SenPassivePower1'] = format_rt_reading(data[40:44])
values['EM_SenPassivePower2'] = format_rt_reading(data[44:48])
#have to rename voltages and currents
values['EM_Voltage_1'] = format_rt_reading(data[48:52])
values['EM_Voltage_2'] = format_rt_reading(data[52:56])
values['EM_Voltage_3'] = format_rt_reading(data[56:60])
values['EM_Current_1'] = format_rt_reading(data[60:64])
values['EM_Current_2'] = format_rt_reading(data[64:68])
values['EM_Current_3'] = format_rt_reading(data[68:72])
values['EM_Phase_1'] = format_rt_reading(data[72:76])
values['EM_Phase_2'] = format_rt_reading(data[76:80])
values['EM_Phase_3'] = format_rt_reading(data[80:84])
values['EM_Hz'] = format_rt_reading(data[84:88])
values['EM_PowerRelay'] = format_rt_reading(data[88:92])
values['WM_MeterValue'] = format_rt_reading(data[92:96])
values['WM_MeterPower'] = format_rt_reading(data[96:100])
values['HM_MeterValue'] = format_rt_reading(data[100:104])
values['HM_MeterPower'] = format_rt_reading(data[104:108])
values['GM_MeterValue'] = format_rt_reading(data[108:112])
values['GM_MeterPower'] = format_rt_reading(data[112:116])
values['CM_MeterValue'] = format_rt_reading(data[116:120])
values['CM_MeterPower'] = format_rt_reading(data[120:124])
self.update_rt_value(values)
return
except:
numretries -= 1
raise
def configure_rt_packet(self):
req_addr = self.rt_request_obj.findChildByName('addr')
req_bcc = self.rt_request_obj.findChildByName('bcc')
req_addr.setValue(self.bin_addr)
checksum = (0xC3 + calc_sum(self.bin_addr)) & 0xFF
req_bcc.setValue(checksum)
def _read_rt_value(self, wait_time=None, numretries=None):
"""Don't use Me.
"""
if numretries is None:
numretries = self.retry_count
while numretries:
try:
self._send_request(self.rt_request_obj,
self.rt_response_obj, wait_time, 1)
resp_addr = self.rt_response_obj.findChildByName('addr')
resp_data = self.rt_response_obj.findChildByName('data')
resp_bcc = self.rt_response_obj.findChildByName('bcc')
addr = resp_addr.getValue()
data = resp_data.getValue()
bcc = resp_bcc.getValue()
checksum = (0xD9 + calc_sum(addr) + calc_sum(data)) & 0xFF
if checksum != bcc:
raise EBadChecksum()
if self.bin_addr != addr:
raise EInvalidMessage()
values = {}
values['EM_RecMeterValue'] = format_rt_reading(data[0:4])
values['EM_SenMeterValue'] = format_rt_reading(data[4:8])
values['EM_RecActivePower'] = format_rt_reading(data[8:12])
values['EM_SenActivePower'] = format_rt_reading(data[12:16])
values['EM_RecPassive1MeterValue'] = format_rt_reading(data[16:20])
values['EM_RecPassive2MeterValue'] = format_rt_reading(data[20:24])
values['EM_RecPassivePower1'] = format_rt_reading(data[24:28])
values['EM_RecPassivePower2'] = format_rt_reading(data[28:32])
values['EM_SenPassive1MeterValue'] = format_rt_reading(data[32:36])
values['EM_SenPassive2MeterValue'] = format_rt_reading(data[36:40])
values['EM_SenPassivePower1'] = format_rt_reading(data[40:44])
values['EM_SenPassivePower2'] = format_rt_reading(data[44:48])
#have to rename voltages and currents
values['EM_Voltage_1'] = format_rt_reading(data[48:52])
values['EM_Voltage_2'] = format_rt_reading(data[52:56])
values['EM_Voltage_3'] = format_rt_reading(data[56:60])
values['EM_Current_1'] = format_rt_reading(data[60:64])
values['EM_Current_2'] = format_rt_reading(data[64:68])
values['EM_Current_3'] = format_rt_reading(data[68:72])
values['EM_Phase_1'] = format_rt_reading(data[72:76])
values['EM_Phase_2'] = format_rt_reading(data[76:80])
values['EM_Phase_3'] = format_rt_reading(data[80:84])
values['EM_Hz'] = format_rt_reading(data[84:88])
values['EM_PowerRelay'] = format_rt_reading(data[88:92])
values['WM_MeterValue'] = format_rt_reading(data[92:96])
values['WM_MeterPower'] = format_rt_reading(data[96:100])
values['HM_MeterValue'] = format_rt_reading(data[100:104])
values['HM_MeterPower'] = format_rt_reading(data[104:108])
values['GM_MeterValue'] = format_rt_reading(data[108:112])
values['GM_MeterPower'] = format_rt_reading(data[112:116])
values['CM_MeterValue'] = format_rt_reading(data[116:120])
values['CM_MeterPower'] = format_rt_reading(data[120:124])
self.update_rt_value(values)
return
except:
numretries -= 1
raise
def configure_rt_packet(self):
req_addr = self.rt_request_obj.findChildByName('addr')
req_bcc = self.rt_request_obj.findChildByName('bcc')
req_addr.setValue(self.bin_addr)
checksum = (0xC3 + calc_sum(self.bin_addr)) & 0xFF
req_bcc.setValue(checksum)
def _read(self, wait_time=None, numretries=None):
"""Reads the device
Sends the request packet, recieves the response packet,
Parses it. Updates the current reading value
Shouldn't be called by anyone. Use get_value_by_name instead
"""
if numretries is None:
numretries = self.retry_count
while numretries:
try:
self._send_request(self.request_obj,
self.response_obj, wait_time, 1)
resp_addr = self.response_obj.findChildByName('addr')
resp_data = self.response_obj.findChildByName('data')
resp_cs = self.response_obj.findChildByName('cs')
addr = resp_addr.getValue()
data = resp_data.getValue()
cs = resp_cs.getValue()
#relay variable included because of bug #CSCts88534
relay = 0
resp_relay = self.response_obj.findChildByName('relay')
if resp_relay is not None:
relay = resp_relay.getValue() + 1
checksum = (0xD2 + calc_sum(addr) +
calc_sum(data) + relay) & 0xFF
if self.debug:
msglog.log('omnimeter', msglog.types.INFO,
'checksum calculated %s Received %s'
% (str(checksum),
str(cs)))
if checksum != cs:
msglog.log("omnimeter", msglog.types.WARN,
"Checksum didn't match %s" % self.address)
raise EBadChecksum()
if self.bin_addr != addr:
#it's not me. don't think this would ever happen, but who knows
msglog.log('omnimeter', msglog.types.WARN,
"Got some other meter's response (Strange!!!) %s" %
self.address)
raise EInvalidMessage()
#everything fine till here, get the reading and update self.value
#Get the error status flag
meter_reading = {}
err_status = ord(data[24]) - 0x33
if not (err_status & 0x01):
meter_reading['SP'] = format_reading(data[20:24])
if self.debug:
msglog.log('omnimeter', msglog.types.INFO,
"Got Reading SP:%s" % (meter_reading['SP'],))
else:
meter_reading['SP'] = EConnectionError()
if self.debug:
msglog.log('omnimeter', msglog.types.INFO,
'Did not get reading for SP')
if not (err_status & 0x02):
meter_reading['CM'] = format_reading(data[12:16])
if self.debug:
msglog.log('omnimeter',msglog.types.INFO,
"Got Reading CM:%s" % (meter_reading['CM'],))
else:
meter_reading['CM'] = EConnectionError()
if self.debug:
msglog.log('omnimeter', msglog.types.INFO,
'Did not get reading for CM')
if not (err_status & 0x04):
meter_reading['GM'] = format_reading(data[8:12])
if self.debug:
msglog.log('omnimeter',msglog.types.INFO,
"Got Reading GM:%s" % (meter_reading['GM'],))
else:
meter_reading['GM'] = EConnectionError()
if self.debug:
msglog.log('omnimeter', msglog.types.INFO,
'Did not get reading for GM')
if not (err_status & 0x08):
meter_reading['HM'] = format_reading(data[4:8])
if self.debug:
msglog.log('omnimeter',msglog.types.INFO,
"Got Reading HM:%s" % (meter_reading['HM'],))
else:
meter_reading['HM'] = EConnectionError()
if self.debug:
msglog.log('omnimeter', msglog.types.INFO,
'Did not get reading for HM')
if not (err_status & 0x10):
meter_reading['WM'] = format_reading(data[0:4])
if self.debug:
msglog.log('omnimeter',msglog.types.INFO,
"Got Reading WM:%s" % (meter_reading['WM'],))
else:
meter_reading['WM'] = EConnectionError()
if self.debug:
msglog.log('omnimeter', msglog.types.INFO,
'Did not get reading for WM')
if not (err_status & 0x20):
meter_reading['EM'] = format_reading(data[16:20])
if self.debug:
msglog.log('omnimeter', msglog.types.INFO,
"Got Reading EM:%s"
% (meter_reading['EM'],))
else:
meter_reading['EM'] = EConnectionError()
if self.debug:
msglog.log('omnimeter', msglog.types.INFO,
'Did not get reading for EM')
self.update_value(meter_reading)
return
except:
numretries -= 1
raise
def configure_packet(self):
req_addr = self.request_obj.findChildByName('addr')
req_cs = self.request_obj.findChildByName('cs')
req_addr.setValue(self.bin_addr)
checksum = (0x39 + calc_sum(self.bin_addr)) & 0xFF
req_cs.setValue(checksum)