def read(self):
t = int(time.time())
lt = time.localtime(t)
if t == IOStream.timestamp:
print("IOData.read() was broken, cause the time has been used.")
return
# print(lt.tm_sec, IOData.timestamp, t)
IOStream.timestamp = t
master = modbus.ModbusMaster.instance()
values = master.read()
if values:
log.Log.instance().d("modbus" + str(values))
else:
# no value read from modbus
log.Log.instance().d("modbus: None")
self.write("Read modbus: None")
return
d = Data.instance()
if values:
d.timestamp = t
d.pressure = DataDefines.round('pressure', values[0])
d.water_level = DataDefines.round('water_level', values[1])
d.ac_flow = values[2]
d.in_flow = DataDefines.round('in_flow', values[3])
d.v1 = values[4]
d.v2 = values[5]
d.v3 = values[6]
d.c1 = DataDefines.round('c1', values[7])
d.c2 = DataDefines.round('c2', values[8])
d.c3 = DataDefines.round('c3', values[9])
d.power_con = values[10]
d.reactive_power = values[11]
d.power_factor = DataDefines.round('power_factor', values[12])
d.frequency = values[13]
d.energy = DataDefines.round('energy', values[14])
d.set_on_off(t, values[15])
if d.high_frequency_record(
): # high speed write into database every second
if not self._hfr:
self._hfr = True
self._hfr_time = int(time.time())
self._hfr_count = 0
print("Start high frequency record...")
self.write("---------------------------------")
self.write("-> Start high frequency record...")
self.write("---------------------------------")
self._hfr_count += 1
tornado.ioloop.IOLoop.instance().add_callback(
self.write_into_db, d)
else:
if self._hfr:
self._hfr = False
print("End high frequency record...",
int(time.time()) - self._hfr_time, self._hfr_count)
self.write("---------------------------------")
self.write("-> End high frequency record...",
int(time.time()) - self._hfr_time, self._hfr_count)
self.write("---------------------------------")
if lt.tm_sec == 0: # low speed write into database every minute
tornado.ioloop.IOLoop.instance().add_callback(
self.write_into_db, d)
def post(self):
json_object = Data.instance().to_json()
json_object["is_high_frequency"] = Data.instance().high_frequency_record()
json_object["high_frequency_interval"] = model.data.HIGH_FREQUENCY_INTERVAL
json_string = json.dumps(json_object)
self.write(json_string)