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gengpio.py
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#!/usr/bin/env python
#------------------------------------------------------------
# FILE: gengpio.py
# PURPOSE: genmon.py support program to allow GPIO pints to drive
# status LEDs
#
# AUTHOR: Jason G Yates
# DATE: 05-Apr-2016
#
# MODIFICATIONS:
#------------------------------------------------------------
import datetime, time, sys, signal, os, threading, socket
import atexit
from genmonlib import myclient, mylog
import RPi.GPIO as GPIO
#---------- Signal Handler ------------------------------------------
def signal_handler(signal, frame):
GPIO.cleanup()
MyClientInterface.Close()
sys.exit(0)
#------------------- Command-line interface for gengpio -----------------#
if __name__=='__main__': # usage program.py [server_address]
address='127.0.0.1' if len(sys.argv)<2 else sys.argv[1]
try:
log = mylog.SetupLogger("client", "gengpio.log")
# Set the signal handler
signal.signal(signal.SIGINT, signal_handler)
MyClientInterface = myclient.ClientInterface(host = address, log = log)
#setup GPIO using Board numbering
GPIO.setmode(GPIO.BOARD)
print GPIO.RPI_INFO
GPIO.setwarnings(False)
# These are the GPIP pins numbers on the Raspberry PI GPIO header
# https://www.element14.com/community/servlet/JiveServlet/previewBody/73950-102-10-339300/pi3_gpio.png
STATUS_READY = 16 # READY GPIO 23 (pin 16)
STATUS_ALARM = 18 # ALARM GPIO 24 (pin 18)
STATUS_SERVICE = 22 # SERVICE DUE GPIO 25 (pin 22)
STATUS_RUNNING = 26 # RUNNING GPIO 7 (pin 26)
STATUS_EXERCISING = 24 # EXERCISING GPIO 8 (pin 24)
STATUS_OFF = 21 # OFF GPIO 9 (pin 21)
# Set additional GPIO based on these error codes
# Overspeed/Underspeed (alarms 1200-1206, 1600-1603) GPIO 5 (pin 29)
ER_SPEED = 29
# Low Oil (alarm 1300) GPIO 6 (pin 31)
ER_LOW_OIL = 31
# High Temp (alarm 1400) GPIO 13 (pin 33
ER_HIGH_TEMP = 33
# RPM Sensor (alarm 1500-1521) GPIO 19 (pin 35)
ER_RPM_SENSE = 35
# Overvoltage/Undervoltage (alarm1800-1803, 1900-1906) GPIO 26 (pin 37)
ER_VOLTAGE = 37
# Overcrank (alarm 1100-1101) GPIO 21 (pin 40)
ER_OVERCRANK = 40
# Overload (alarm 2100-2103) GPIO 20 (pin 38)
ER_OVERLOAD = 38
# Governor (alarm 2500-2502) GPIO 16 (pin 36)
ER_GOVERNOR = 36
# Evolution Air Cooled Warning GPIO 12 (pin 32)
ER_WARNING = 32
GPIO.setup(STATUS_READY, GPIO.OUT, initial=GPIO.LOW)
GPIO.setup(STATUS_ALARM, GPIO.OUT, initial=GPIO.LOW)
GPIO.setup(STATUS_SERVICE, GPIO.OUT, initial=GPIO.LOW)
GPIO.setup(STATUS_RUNNING, GPIO.OUT, initial=GPIO.LOW)
GPIO.setup(STATUS_EXERCISING, GPIO.OUT, initial=GPIO.LOW)
GPIO.setup(STATUS_OFF, GPIO.OUT, initial=GPIO.LOW)
GPIO.setup(ER_SPEED, GPIO.OUT, initial=GPIO.LOW)
GPIO.setup(ER_LOW_OIL, GPIO.OUT, initial=GPIO.LOW)
GPIO.setup(ER_HIGH_TEMP, GPIO.OUT, initial=GPIO.LOW)
GPIO.setup(ER_RPM_SENSE, GPIO.OUT, initial=GPIO.LOW)
GPIO.setup(ER_VOLTAGE, GPIO.OUT, initial=GPIO.LOW)
GPIO.setup(ER_OVERCRANK, GPIO.OUT, initial=GPIO.LOW)
GPIO.setup(ER_OVERLOAD, GPIO.OUT, initial=GPIO.LOW)
GPIO.setup(ER_GOVERNOR, GPIO.OUT, initial=GPIO.LOW)
GPIO.setup(ER_WARNING, GPIO.OUT, initial=GPIO.LOW)
LastEvent = ""
data = MyClientInterface.ProcessMonitorCommand("generator: monitor")
if "evolution" in data.lower():
Evolution = True
print ("Evolution Controller Detected\n")
else:
Evolution = False
print ("Nexus Controller Detected\n")
while True:
data = MyClientInterface.ProcessMonitorCommand("generator: getbase")
if LastEvent != data:
LastEvent = data
print ("State: " + data)
if data == "READY":
GPIO.output(STATUS_READY,GPIO.HIGH)
else:
GPIO.output(STATUS_READY,GPIO.LOW)
if data == "EXERCISING":
GPIO.output(STATUS_EXERCISING,GPIO.HIGH)
else:
GPIO.output(STATUS_EXERCISING,GPIO.LOW)
if data == "RUNNING" or data == "RUNNING-MANUAL":
GPIO.output(STATUS_RUNNING,GPIO.HIGH)
else:
GPIO.output(STATUS_RUNNING,GPIO.LOW)
if data == "ALARM":
GPIO.output(STATUS_ALARM,GPIO.HIGH)
else:
GPIO.output(STATUS_ALARM,GPIO.LOW)
if data == "SERVICEDUE":
GPIO.output(STATUS_SERVICE,GPIO.HIGH)
else:
GPIO.output(STATUS_SERVICE, GPIO.LOW)
if data == "OFF" or data == "MANUAL":
GPIO.output(STATUS_OFF,GPIO.HIGH)
else:
GPIO.output(STATUS_OFF, GPIO.LOW)
if data == "ALARM" and Evolution: # Last Error Code not supported by Nexus
# get last error code
data = MyClientInterface.ProcessMonitorCommand("generator: getregvalue=05f1")
LastErrorCode = int(data,16)
# Overspeed/Underspeed (alarms 1200-1206, 1600-1603)
if 1200 <= LastErrorCode <= 1206 or 1600 <= LastErrorCode <= 1603:
GPIO.output(ER_SPEED,GPIO.HIGH)
# Low Oil (alarm 1300)
if LastErrorCode == 1300:
GPIO.output(ER_LOW_OIL,GPIO.HIGH)
# High Temp (alarm 1400)
if LastErrorCode == 1400:
GPIO.output(ER_HIGH_TEMP,GPIO.HIGH)
# RPM Sensor (alarm 1500-1521)
if 1500 <= LastErrorCode <= 1521:
GPIO.output(ER_RPM_SENSE,GPIO.HIGH)
# Overvoltage/Undervoltage (alarm 1800-1803, 1900-1906)
if 1800 <= LastErrorCode <= 1803 or 1900 <= LastErrorCode <= 1906:
GPIO.output(ER_VOLTAGE,GPIO.HIGH)
# Overcrank (alarm 1100-1101)
if 1100 <= LastErrorCode <= 1101:
GPIO.output(ER_OVERCRANK,GPIO.HIGH)
# Overload (alarm 2100-2103)
if 2100 <= LastErrorCode <= 2103:
GPIO.output(ER_OVERLOAD,GPIO.HIGH)
# Governor (alarm 2500-2502)
if 2500 <= LastErrorCode <= 2502:
GPIO.output(ER_GOVERNOR,GPIO.HIGH)
# Warning (alarm 0000)
if 0000 == LastErrorCode:
GPIO.output(ER_WARNING,GPIO.HIGH)
else:
GPIO.output(ER_SPEED,GPIO.LOW)
GPIO.output(ER_LOW_OIL,GPIO.LOW)
GPIO.output(ER_HIGH_TEMP,GPIO.LOW)
GPIO.output(ER_RPM_SENSE,GPIO.LOW)
GPIO.output(ER_VOLTAGE,GPIO.LOW)
GPIO.output(ER_OVERCRANK,GPIO.LOW)
GPIO.output(ER_OVERLOAD,GPIO.LOW)
GPIO.output(ER_GOVERNOR,GPIO.LOW)
GPIO.output(ER_WARNING,GPIO.LOW)
time.sleep(3)
except Exception as e1:
log.error("Error: " + str(e1))
print ("Error: " + str(e1))