def main():
log.setLevel(logging.INFO)
#log.setLevel(logging.DEBUG)
# create console handler
ch = logging.StreamHandler()
#logging.basicConfig()
# create formatter
formatter = logging.Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s")
# add formatter to ch
ch.setFormatter(formatter)
# add ch to logger
log.addHandler(ch)
cfgfile = ""
if len(sys.argv) <= 1:
files = os.listdir(os.getcwd())
files = filter(lambda x: os.path.splitext(x)[1]=='.conf',files)
if len(files)==0:
log.critical("No config file found!")
exit(-1)
else:
cfgfile = files[0]
log.warn ("Using auto detecting config file: '%s'", cfgfile)
else:
cfgfile = sys.argv[1]
log.info("Reading config file '%s'", cfgfile)
try:
config = ConfigParser.ConfigParser()
config.read (cfgfile)
except:
log.exception("failed to read config file")
exit(-2)
port = config.get('wattnode', 'port')
req_opts = ['address', 'ctamps', 'averaging']
wnconfig = {}
for n in req_opts:
wnconfig[n] = config.getint('wattnode', n)
log.info ("Opening '%s', config = %s" % (port,wnconfig))
p = SerialModbusClient();
p.open(port)
serno = p.doRequest(
makeReadReg(
wnconfig['address'], 1700,2),decodeInt32) [0]
# turn off averaging
p.doRequest(makeWriteReg(wnconfig['address'],1607,wnconfig['averaging']))
# setup for 15A ct
p.doRequest(makeWriteReg(wnconfig['address'],1602,wnconfig['ctamps']))
log.info ("starting server")
try:
serve(p)
except KeyboardInterrupt:
print "Shutting down"
except:
log.critical(traceback.format_exc())
p.close()
def main():
log, tty = createLogger('/home/alan/pywattnode.log')#createLogger('/var/log/pywattnode.log')
config = readConfig(log, '/etc/pywattnode.conf')
port_prefix = config.get('wattnode', 'port')
count = config.getint('wattnode', 'count')
wnconfig = []
req_opts = ['address', 'ctamps', 'averaging', 'phase', 'ctdirections']
for i in range (1, count+1):
cfg = {}
for n in req_opts:
cfg[n] = config.getint('wattnode%d'%(i), n)
wnconfig.append(cfg)
#---- main run loop
while True:
for port in detectDev(log, port_prefix):
log.info ("Opening '%s', config = %s" % (port,wnconfig))
p = None
try:
p = SerialModbusClient(log)
success = False
serno = None
while success == False:
try:
p.open(port)
log.info ("Reading wattnode serial numbers...")
for i in range(0, len(wnconfig)):
#read serial no
serno = p.doRequest(
makeReadReg(
wnconfig[i]['address'], 1700,2),decodeInt32) [0]
log.info ("Got wattnode serial number: %d", serno)
log.info ("Configuring averaging (%d)..."%(wnconfig[i]['averaging']))
# turn off averaging
p.doRequest(makeWriteReg(wnconfig[i]['address'],1607,wnconfig[i]['averaging']))
log.info ("Configuring CT amps (%d)..."%(wnconfig[i]['ctamps']))
# setup for 15A ct
p.doRequest(makeWriteReg(wnconfig[i]['address'],1602,wnconfig[i]['ctamps']))
log.info ("Configuring CT direction (%d)..."%(wnconfig[i]['ctdirections']))
p.doRequest(makeWriteReg(wnconfig[i]['address'],1606,wnconfig[i]['ctdirections']))
log.info ("Configuring phase offset (%d)..."%(wnconfig[i]['phase']))
p.doRequest(makeWriteReg(wnconfig[i]['address'],1618,wnconfig[i]['phase']))
success = True
except serial.SerialException, msg:
log.error("Failed to open port, will retry: %s", msg)
time.sleep(15)
except ModbusException, msg:
log.error("Modbus error during init, will retry: %s", msg)
time.sleep(15)
log.info ("Setup complete, starting logger")
try:
runlog(p, wnconfig, config, log, tty, serno)
except KeyboardInterrupt:
log.critical("Shutting down")
p.close()
exit(1)
except SystemExit:
log.critical("Exit() called, shutting down")
p.close()
raise
except Exception as x:
log.critical(x)
log.critical(traceback.format_exc())
def sync(self, seconds):
self.doRequest(
mdbus.makeWriteReg(
0xff, 128, seconds))
def setScaling(self,meter,scale):
raise Exception("Warning requires the PS18 reboot!")
addr = self.baseAddress + meter
self.doRequest(
mdbus.makeWriteReg(
addr, 4301, scale))
def main():
log, tty = createLogger(
'/home/alan/pywattnode.log') #createLogger('/var/log/pywattnode.log')
config = readConfig(log, '/etc/pywattnode.conf')
port_prefix = config.get('wattnode', 'port')
count = config.getint('wattnode', 'count')
wnconfig = []
req_opts = ['address', 'ctamps', 'averaging', 'phase', 'ctdirections']
for i in range(1, count + 1):
cfg = {}
for n in req_opts:
cfg[n] = config.getint('wattnode%d' % (i), n)
wnconfig.append(cfg)
#---- main run loop
while True:
for port in detectDev(log, port_prefix):
log.info("Opening '%s', config = %s" % (port, wnconfig))
p = None
try:
p = SerialModbusClient(log)
success = False
serno = None
while success == False:
try:
p.open(port)
log.info("Reading wattnode serial numbers...")
for i in range(0, len(wnconfig)):
#read serial no
serno = p.doRequest(
makeReadReg(wnconfig[i]['address'], 1700, 2),
decodeInt32)[0]
log.info("Got wattnode serial number: %d", serno)
log.info("Configuring averaging (%d)..." %
(wnconfig[i]['averaging']))
# turn off averaging
p.doRequest(
makeWriteReg(wnconfig[i]['address'], 1607,
wnconfig[i]['averaging']))
log.info("Configuring CT amps (%d)..." %
(wnconfig[i]['ctamps']))
# setup for 15A ct
p.doRequest(
makeWriteReg(wnconfig[i]['address'], 1602,
wnconfig[i]['ctamps']))
log.info("Configuring CT direction (%d)..." %
(wnconfig[i]['ctdirections']))
p.doRequest(
makeWriteReg(wnconfig[i]['address'], 1606,
wnconfig[i]['ctdirections']))
log.info("Configuring phase offset (%d)..." %
(wnconfig[i]['phase']))
p.doRequest(
makeWriteReg(wnconfig[i]['address'], 1618,
wnconfig[i]['phase']))
success = True
except serial.SerialException, msg:
log.error("Failed to open port, will retry: %s", msg)
time.sleep(15)
except ModbusException, msg:
log.error("Modbus error during init, will retry: %s",
msg)
time.sleep(15)
log.info("Setup complete, starting logger")
try:
runlog(p, wnconfig, config, log, tty, serno)
except KeyboardInterrupt:
log.critical("Shutting down")
p.close()
exit(1)
except SystemExit:
log.critical("Exit() called, shutting down")
p.close()
raise
except Exception as x:
log.critical(x)
log.critical(traceback.format_exc())
def setScaling(self, meter, scale):
raise Exception("Warning requires the PS18 reboot!")
addr = self.baseAddress + meter
self.doRequest(mdbus.makeWriteReg(addr, 4301, scale))
def sync(self, seconds):
self.doRequest(mdbus.makeWriteReg(0xff, 128, seconds))
