#!/usr/bin/python
# -*- coding: utf-8 -*-

import threading, time, subprocess, logging, minimalmodbus

instrument = minimalmodbus.Instrument("/dev/ttyUSB0", 1)
instrument.serial.baudrate = 9600
instrument.serial.parity = minimalmodbus.serial.PARITY_EVEN
instrument.serial.stopbits = 1
instrument.serial.timeout  = .5
instrument.debug = True

#print instrument

TOTKWH  = round(instrument.read_float((32001-30001),4),4) # Total Energy KWHs

#Address Register  Length Parameter Name Access Data Format   Units
# (hex)  (decimal) (bytes) (string)       (R/W) (Float,16bit) A,V,KW,KWh,Hz
# 0x0010   30017      4   Voltage L1        R      Float        V
# 0x004E   30079      4   Frequency         R      Float        Hz
VOLTAGE = round(instrument.read_float((30017-30001),4),4)
FREQUENCY = round(instrument.read_float((30079-30001),4),4)

#Address Register  Length Parameter Name Access Data Format   Units
# (hex)  (decimal) (bytes) (string)       (R/W) (Float,16bit) A,V,KW,KWh,Hz
# 0x0058 30089        4   Current Total     R       Float       A
AMPS = round(instrument.read_float((30089-30001),4),4) 

#Address Register  Length Parameter Name Access Data Format   Units
# (hex)  (decimal) (bytes) (string)       (R/W) (Float,16bit) A,V,KW,KWh,Hz
# 0x0090   30145      4   Power L1          R       Float       KW
POWER = (round(instrument.read_float((30145-30001),4),4)*1000)

#BAUDRATE = instrument.read_register((31318-30001),0,4)
# SETBAUD = instrument.write_register((31318-30001),38400,0,6)
#print BAUDRATE

print('Volts  Amps Frequency Hz Power Load Watts Total KWHs\n{} {} {}        {}             {} \n'.format(VOLTA$
#print time.strftime('%Y%m%d %X ')
file = open('/home/pi/DDSD285/meter_data.txt', 'w+')
file.write(time.strftime('%Y%m%d %X '))
file.write('{} {} {} {} {}\n'.format(VOLTAGE,AMPS,FREQUENCY,POWER,TOTKWH))
file.close()

subprocess.call('/home/pi/DDSD285/send-to-emoncms.sh') # call the bash file to transmit the data

exit()