def read_and_parse_from_ModbusTCP(self):
for i in range(0, 2):
data = MeterData()
data['time'] = time()
try:
if i == 0:
res = self.client.read_holding_registers(
999, 22, unit=self.AC_Meter_0.unit_id) if not debug else None
elif i == 1:
res = self.client.read_holding_registers(
999, 22, unit=self.AC_Meter_1.unit_id) if not debug else None
except exceptions.ConnectionException:
self.logger.warning((self.name, ' can not connect'))
message.put(self.name[-1:])
return
real_energy = FloatData()
real_energy.shorts.s0 = res.registers[1] if not debug else -1
real_energy.shorts.s1 = res.registers[0] if not debug else -1
data['real_energy'] = real_energy.float if not debug else randint(1, 100) * 1.2
real_power = FloatData()
real_power.shorts.s0 = res.registers[7] if not debug else -1
real_power.shorts.s1 = res.registers[6] if not debug else -1
data['real_power'] = real_power.float if not debug else randint(1, 100) * 1.2
reactive_power = FloatData()
reactive_power.shorts.s0 = res.registers[11] if not debug else -1
reactive_power.shorts.s1 = res.registers[10] if not debug else -1
data['reactive_power'] = reactive_power.float if not debug else randint(1, 100) * 1.2
voltage_LL = FloatData()
voltage_LL.shorts.s0 = res.registers[15] if not debug else -1
voltage_LL.shorts.s1 = res.registers[14] if not debug else -1
data['voltage_LL'] = voltage_LL.float if not debug else randint(1, 100) * 1.2
frequency = FloatData()
frequency.shorts.s0 = res.registers[21] if not debug else -1
frequency.shorts.s1 = res.registers[20] if not debug else -1
data['frequency'] = frequency.float if not debug else randint(1, 100) * 1.2
if res.registers[21] == 0:
data['frequency'] = 0
if i == 0:
self.AC_Meter_0.data.append(data)
elif i == 1:
self.AC_Meter_1.data.append(data)
self.logger.debug(data)
def cli():
getchar = None
if os.name == 'nt':
try:
import termios
except ImportError:
# Non-POSIX. Return msvcrt's (Windows') getch.
import msvcrt
getchar = msvcrt.getwch
else:
# POSIX system. Create and return a getch that manipulates the tty.
import curses
stdscr = curses.initscr()
curses.noecho()
curses.cbreak()
curses.start_color()
stdscr.addstr(0, 20, "****************************************************************************",
curses.color_pair(1))
stdscr.addstr(1, 20, "***************** Welcome to the AC/DC meter data panel *****************\n",
curses.color_pair(1))
stdscr.addstr(2, 20, "**** <s> (save) to save data ****\n",
curses.color_pair(1))
stdscr.addstr(3, 20, "**** <c> (clear) to clear previous data ****\n",
curses.color_pair(1))
stdscr.addstr(4, 20, "**** <n> (new) to save and start new session ****\n",
curses.color_pair(1))
stdscr.addstr(5, 20, "**** <q> (quit) to quit the app ****\n",
curses.color_pair(1))
stdscr.addstr(6, 20, "**** ****\n",
curses.color_pair(1))
stdscr.addstr(7, 20, "**** < 1, 2, 3, 4, 5, 6, 7, 8 > ****\n",
curses.color_pair(1))
stdscr.addstr(8, 20, "**** press number to add/remove corresponding panel ****\n",
curses.color_pair(1))
stdscr.addstr(9, 20, "****************************************************************************\n",
curses.color_pair(1))
curses.init_pair(1, curses.COLOR_GREEN, curses.COLOR_BLACK)
def getchar():
cmd = stdscr.getch()
return chr(cmd)
while True:
cmd = getchar()
if cmd == 'q':
# message.put('QUIT')
raise KeyboardInterrupt
if cmd == 's':
message.put('SAVE')
print('\rSaving current session ...', end='')
elif cmd == 'c':
print('\rClear current data ...', end='')
message.put('CLEAR')
elif cmd == 'n':
print('\rSaving current session and start new one ...', end='')
message.put('NEW')
elif cmd.isdigit(): # put corresponding panel to list
message.put(cmd)
