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script.py
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script.py
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# Eunwho Power Electronics
# www.eunwho.com
######################################
# project : webControl
# filename : script.py
# start : 2013.07.~
# revisioned : 2014.12.29
# Imports
import os
import webiopi
import time
import datetime
import serial
import binascii
import math
import struct
import subprocess
import socket
from webiopi.devices.digital import MCP23017
def get_ip_address_2():
'''
Source:
http://commandline.org.uk/python/how-to-find-out-ip-address-in-python/
'''
import socket
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.connect(('google.com', 0))
ipaddr=s.getsockname()[0]
return ipaddr
def send_email_2(txMessage):
import datetime
import smtplib
from email.mime.text import MIMEText
today = datetime.date.today()
#addr_to = 'eunwho@naver.com'
addr_to = 'jaejongmoon@gmail.com'
gmail_user = 'fromeunwho@gmail.com'
gmail_password = 'ii11ii11'
smtpserver = smtplib.SMTP('smtp.gmail.com',587)
smtpserver.ehlo()
smtpserver.starttls()
smtpserver.ehlo
smtpserver.login(gmail_user,gmail_password)
ipaddr = get_ip_address_2()
my_ip = 'This is alarm message from Power Station. :'
my_ip += 'Your ip is %s' % ipaddr
my_ip += txMessage
msg = MIMEText(my_ip)
msg['Subject'] = 'IP For RaspberryPi on %s' % today.strftime('%b %d %Y')
msg['From'] = gmail_user
msg['To'] = addr_to
smtpserver.sendmail(gmail_user, [addr_to], msg.as_string())
smtpserver.quit()
GPIO = webiopi.GPIO
mcp0 = MCP23017(slave=0x20)
mcp1 = MCP23017(slave=0x21)
mcp0.digitalWrite(0,1)
mcp0.digitalWrite(1,1)
mcp0.digitalWrite(2,1)
mcp0.setFunction(0, 1)
mcp0.setFunction(1, 1)
mcp0.setFunction(2, 1)
mcp0.setFunction(3, 1)
mcp0.setFunction(4, 1)
mcp0.setFunction(5, 1)
mcp0.setFunction(6, 1)
mcp0.setFunction(7, 1)
mcp0.setFunction(8, 0)
mcp0.setFunction(9, 0)
mcp0.setFunction(10,0)
mcp0.setFunction(11,0)
mcp0.setFunction(12,0)
mcp0.setFunction(13,0)
mcp0.setFunction(14,0)
mcp0.setFunction(15,0)
mcp1.setFunction(0, 1)
mcp1.setFunction(1, 1)
mcp1.setFunction(2, 1)
mcp1.setFunction(3, 1)
mcp1.setFunction(4, 1)
mcp1.setFunction(5, 1)
mcp1.setFunction(6, 1)
mcp1.setFunction(7, 1)
mcp1.setFunction(8, 1)
mcp1.setFunction(9, 1)
mcp1.setFunction(10,1)
mcp1.setFunction(11,0)
mcp1.setFunction(12,0)
mcp1.setFunction(13,0)
mcp1.setFunction(14,0)
mcp1.setFunction(15,0)
def delay_usec():
x=0.1
for i in range(0, 50) :
x = math.sin(x) * math.cos(x)
class EW_LCD_23017(object):
#E_DELAY = 0.0005
#E_PULSE = 0.0001
def __init__(self):
mcp1.digitalWrite(9,0) # RW
mcp1.digitalWrite(10,0) # RW
def lcd_byte(self, data,mode):
if mode :
rs = 1
else:
rs = 0
mcp1.digitalWrite(8,rs) # RS
mcp1.digitalWrite(4,0)
mcp1.digitalWrite(5,0)
mcp1.digitalWrite(6,0)
mcp1.digitalWrite(7,0)
# high nibble setting
if data &0x10 == 0x10:
mcp1.digitalWrite(4,1)
if data &0x20 == 0x20:
mcp1.digitalWrite(5,1)
if data &0x40 == 0x40:
mcp1.digitalWrite(6,1)
if data &0x80 == 0x80:
mcp1.digitalWrite(7,1)
# Toggle Enable Port
#time.sleep(E_DELAY)
delay_usec()
mcp1.digitalWrite(9,1) # CE
delay_usec()
#time.sleep(E_PULSE)
mcp1.digitalWrite(9,0)
#time.sleep(E_DELAY)
delay_usec()
# low nibble setting
mcp1.digitalWrite(4,0)
mcp1.digitalWrite(5,0)
mcp1.digitalWrite(6,0)
mcp1.digitalWrite(7,0)
if data &0x01 == 0x01:
mcp1.digitalWrite(4,1)
if data &0x02 == 0x02:
mcp1.digitalWrite(5,1)
if data &0x04 == 0x04:
mcp1.digitalWrite(6,1)
if data &0x08 == 0x08:
mcp1.digitalWrite(7,1)
# Toggle Enable Port
#time.sleep(E_DELAY)
delay_usec()
mcp1.digitalWrite(9,1)
#time.sleep(E_PULSE)
delay_usec()
mcp1.digitalWrite(9,0)
#time.sleep(E_DELAY)
delay_usec()
class HD47780(object):
LCD_CHR = 1
LCD_CMD = 0
# Base addresses for lines on a 20x4 display
LCD_BASE = 0x80, 0xC0, 0x94, 0xD4
#LCD_BASE = 0x00, 0x40, 0x20, 0x54
def __init__(self, driver, rows=2, width=16):
self.rows = rows
self.width = width
self.driver = driver
self.lcd_init()
def lcd_init(self):
# Initialise display
lcd_byte = self.driver.lcd_byte
for i in 0x33, 0x32, 0x28, 0x0C, 0x06, 0x01:
#for i in 0x01, 0x06, 0x80, 0x01:
lcd_byte( i,self.LCD_CMD)
def lcd_string(self, message, line):
# Send string to display
lcd_byte = self.driver.lcd_byte
lcd_byte(self.LCD_BASE[line], self.LCD_CMD)
#for i in bytearray(message.ljust(self.width)):
for i in bytearray(message.encode()):
lcd_byte(i,self.LCD_CHR)
driver1 = EW_LCD_23017( )
lcd1 = HD47780(driver=driver1, rows=2, width=16)
lcd1.lcd_string('Eun Who P.E.',1)
# Enable debug output
webiopi.setDebug()
# Retrieve GPIO lib
ser = serial.Serial("/dev/ttyAMA0", 9600,timeout=1.0)
#CRC - Hi
auchCRCHi = [ 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40]
#CRC - Lo
auchCRCLo = [ 0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06,
0x07, 0xC7, 0x05, 0xC5, 0xC4, 0x04, 0xCC, 0x0C, 0x0D, 0xCD,
0x0F, 0xCF, 0xCE, 0x0E, 0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09,
0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9, 0x1B, 0xDB, 0xDA, 0x1A,
0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC, 0x14, 0xD4,
0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3,
0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3,
0xF2, 0x32, 0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4,
0x3C, 0xFC, 0xFD, 0x3D, 0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A,
0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38, 0x28, 0xE8, 0xE9, 0x29,
0xEB, 0x2B, 0x2A, 0xEA, 0xEE, 0x2E, 0x2F, 0xEF, 0x2D, 0xED,
0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26,
0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0, 0xA0, 0x60,
0x61, 0xA1, 0x63, 0xA3, 0xA2, 0x62, 0x66, 0xA6, 0xA7, 0x67,
0xA5, 0x65, 0x64, 0xA4, 0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F,
0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB, 0x69, 0xA9, 0xA8, 0x68,
0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA, 0xBE, 0x7E,
0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5,
0x77, 0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71,
0x70, 0xB0, 0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92,
0x96, 0x56, 0x57, 0x97, 0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C,
0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E, 0x5A, 0x9A, 0x9B, 0x5B,
0x99, 0x59, 0x58, 0x98, 0x88, 0x48, 0x49, 0x89, 0x4B, 0x8B,
0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C,
0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42,
0x43, 0x83, 0x41, 0x81, 0x80, 0x40]
# Calculate CRC
def CalcCrcFast(data, length) :
uchCRCHi = 0xFF # high CRC byte initialized
uchCRCLo = 0xFF # low CRC byte initialized
uIndex = 0
dataIndex = 0
while length > 0 :
uIndex = uchCRCHi ^ data[dataIndex]
uchCRCHi = uchCRCLo ^ auchCRCHi[uIndex]
uchCRCLo = auchCRCLo[uIndex]
dataIndex = dataIndex + 1
length = length -1;
return [uchCRCHi, uchCRCLo]
#hex to string as it is.
def hexToStr(hex_value):
return bytes( ("%02x" % hex_value), 'ascii')
def strToHex(str_value):
return int(str_value,16)
def conv2Float(a):
s = ''
try:
for n in a:
b = str(hex(n))[2:]
if len(b) == 1:
b = '0' + b
s += b
f = struct.unpack('!f',bytes.fromhex(s))[0]
except:
f = 0.0
return f
def setLogFile():
global dataFileName
global dataFileLineNumber
dataFileName = '/home/pi/LogData/Log-'
dataFileName += datetime.datetime.now().strftime("%Y-%m-%d-%H-%M")
dataFileName += ".txt"
dataFileLineNumber = 0;
with open(dataFileName,'w') as fout:
fout.write("Power Meter Monitoring System Data Log"+'\r'+'\n')
with open(dataFileName,'a') as fout:
fout.write("======================================"+'\r'+'\n')
def rxData( ):
rxd=[0x00]
rxd += ser.read(ser.inWaiting())
GPIO.output(17, GPIO.HIGH) # tx data
x = 0.0
for i in range(0, 500) :
x = math.sin(x) * math.cos(x)
rxd =[0x00]
buff = [0x01, 0x04, 0x05, 0x1A, 0x00, 0x18]
crc = CalcCrcFast(buff, len(buff))
buff = buff + crc
GPIO.output(17, GPIO.HIGH) # tx data
size = ser.write(bytes(buff))
x = 0.0
for i in range(0, 1000) :
x = math.sin(x) * math.cos(x)
GPIO.output(17, 0) # receive data
x = 0.0
for i in range(0, 15000) :
x = math.sin(x) * math.cos(x)
rxd += ser.read(ser.inWaiting())
return rxd
def PowerMeterProc( ):
testing=rxData( )
if (conv2Float(testing[ 4: 8])) == 0.0 and not (conv2Float(testing[ 8: 12])) == 0.0:
f = open("/home/pi/LogData/rxdErrorLog.txt", 'a')
for n in testing:
f.write(str(n))
f.write(',')
f.write('\r \n')
f.close()
if (conv2Float(testing[ 4: 8])) == 0.0:
webiopi.sleep(0.3)
testing = rxData( )
if( mcp0.digitalRead(8) ):
din = '0'
else:
din = '1'
for i in range(7):
if( mcp0.digitalRead(i+9) ):
din += '0'
else:
din += '1'
a = len(testing)
if a < 54 :
b = din
else:
b = 'V_rs='+("%.1f" %(conv2Float(testing[ 4: 8]))) +':'
b += 'V_st='+("%.1f" %(conv2Float(testing[ 8:12]))) +':'
b += 'V_tr='+("%.1f" %(conv2Float(testing[12:16]))) +':'
b += 'I_r=' +("%.1f" %(conv2Float(testing[16:20]))) +':'
b += 'I_s=' +("%.1f" %(conv2Float(testing[20:24]))) +':'
b += 'I_t=' +("%.1f" %(conv2Float(testing[24:28]))) +':'
b += 'P_re='+("%.1f" %(conv2Float(testing[28:32])/1000)) +':'
b += 'Pvar='+("%.1f" %(conv2Float(testing[32:36])/1000)) +':'
b += 'pf=' +("%.1f" %(conv2Float(testing[36:40]))) +':'
b += 'Hz=' +("%.1f" %(conv2Float(testing[40:44]))) +':'
b += 'kWh=' +("%.1f" %(conv2Float(testing[44:48]))) +':'
b += 'kVah='+("%.1f" %(conv2Float(testing[48:52]))) +':'
b += din +':END'
return b
# Called by WebIOPi at script loading
def setup():
webiopi.debug("Script with macros - Setup")
# Setup GPIOs
GPIO.setFunction(17, GPIO.OUT)
GPIO.setFunction(0, GPIO.OUT)
GPIO.output(17, GPIO.HIGH)
setLogFile()
firstOnDIN_1=1
firstOnDIN_2=1
firstOnDIN_3=1
firstOnDIN_4=1
startTime = time.time()
f_startTime = time.time()
#os.system("sudo halt")
# Looped by WebIOPi
def loop():
global startTime
global firstOn
global f_startTime
global dataFileLineNumber
global dataFileName
global firstOnDIN_1
global firstOnDIN_2
global firstOnDIN_3
global firstOnDIN_4
endTime = time.time()
elapsedTime = endTime - startTime
pilotLed = not mcp0.digitalRead(7)
mcp0.digitalWrite(7,pilotLed)
#driver1 = EW_LCD_23017( )
#lcd1 = HD47780(driver=driver1, rows=2, width=16)
if not mcp1.digitalRead(11):
#get_ip_address_2():
lcd1.lcd_string(get_ip_address_2(), 0 )
dinCheck =[0,0,0,0]
if not mcp0.digitalRead(8):
dinCheck[0] = 1
if elapsedTime > 3600 or firstOnDIN_1 == 1 :
send_email_2(' ALARM DIN 1 ON ')
startTime = time.time()
firstOnDIN_1 = 0
if not mcp0.digitalRead(9):
dinCheck[1] = 1
if elapsedTime > 3600 or firstOnDIN_2 == 1 :
send_email_2(' ALARM DIN 2 ON ')
startTime = time.time()
firstOnDIN_2 = 0
if not mcp0.digitalRead(10):
dinCheck[2] = 1
if elapsedTime > 3600 or firstOnDIN_3 == 1 :
lcd1.lcd_string(" DIN 3 ON ", 1 )
send_email_2(' ALARM DIN 3 ON ')
startTime = time.time()
firstOnDIN_3 = 0
if not mcp0.digitalRead(11):
dinCheck[3] = 1
if elapsedTime > 3600 or firstOnDIN_4 == 1 :
lcd1.lcd_string(" DIN 4 ON ", 1 )
send_email_2(' ALARM DIN 4 ON ')
startTime = time.time()
firstOnDIN_4 = 0
lcdMessage = ' '
for x in dinCheck :
if x == 0 :
lcdMessage += 'OFF '
else:
lcdMessage += ' ON '
lcd1.lcd_string(lcdMessage , 1 )
f_endTime = time.time()
f_elapsedTime = f_endTime - f_startTime
if f_elapsedTime > 60 :
#if f_elapsedTime > 20 :
f_startTime = time.time()
if(dataFileLineNumber > 999):
#if(dataFileLineNumber > 19):
setLogFile()
dataFileLineNumber += 1
s= str(dataFileLineNumber)+'\t'
try:
with open(dataFileName,'a') as f:
f.write(s)
s = datetime.datetime.now().strftime("%Y-%m-%d-%H-%M-%S")+'\t'
with open(dataFileName,'a') as f:
f.write(s)
d = PowerMeterProc()
data_log = d +'\r'+'\n'
with open(dataFileName,'a') as f:
f.write(data_log)
except:
setLogFile()
pass
webiopi.debug(s)
webiopi.sleep(10)
# Called by WebIOPi at server shutdown
def destroy():
webiopi.debug("Script with macros - Destroy")
# Reset GPIO functions
# ButtonCtrl
@webiopi.macro
def startMonitor(out):
mcp0.digitalWrite(0,0)
mcp0.digitalWrite(1,1)
return 'OK'
@webiopi.macro
def stopMonitor(out):
mcp0.digitalWrite(0,1)
mcp0.digitalWrite(1,0)
return 'OK'
@webiopi.macro
def Relay3_On(out):
mcp0.digitalWrite(2,0)
return 'OK'
@webiopi.macro
def Relay3_Off(out):
mcp0.digitalWrite(2,1)
return 'OK'
@webiopi.macro
def CoilCtrl(out):
return PowerMeterProc( )