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_P001_Switch.py
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_P001_Switch.py
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#!/usr/bin/env python3
#############################################################################
######################## Switch plugin for RPIEasy ##########################
#############################################################################
#
# Can only be used with devices that supports GPIO operations!
#
# Available commands:
# gpio,26,1 - set pin GPIO26 to 1 (HIGH)
# pwm,18,50,20000 - set pin GPIO18 to PWM mode with 20000Hz sample rate and 50% fill ratio
# PWM is software based if not one of the dedicated H-PWM pins
# H-PWM has to be set before use this command and may need root rights!
# pulse,26,1,500 - set pin GPIO26 to 1 for 500 msec than set back to 0 (blocking mode)
# longpulse,26,1,10 - set pin GPIO26 to 1 for 10 seconds than set back to 0 (non-blocking mode)
#
# Copyright (C) 2018-2019 by Alexander Nagy - https://bitekmindenhol.blog.hu/
#
import plugin
import rpieGlobals
import rpieTime
import time
import misc
import gpios
class Plugin(plugin.PluginProto):
PLUGIN_ID = 1
PLUGIN_NAME = "Input - Switch Device/Generic GPIO"
PLUGIN_VALUENAME1 = "State"
def __init__(self,taskindex): # general init
plugin.PluginProto.__init__(self,taskindex)
self.dtype = rpieGlobals.DEVICE_TYPE_SINGLE
self.vtype = rpieGlobals.SENSOR_TYPE_SWITCH
self.valuecount = 1
self.senddataoption = True
self.timeroption = True
self.timeroptional = True
self.inverselogicoption = True
self.recdataoption = False
def __del__(self):
if self.enabled and self.timer100ms==False:
try:
gpios.HWPorts.remove_event_detect(self.taskdevicepin[0])
except:
pass
def plugin_exit(self):
self.__del__()
return True
def plugin_init(self,enableplugin=None):
plugin.PluginProto.plugin_init(self,enableplugin)
if self.taskdevicepin[0]>=0 and self.enabled:
self.set_value(1,gpios.HWPorts.input(self.taskdevicepin[0]),True) # Sync plugin value with real pin state
try:
self.__del__()
gpios.HWPorts.add_event_detect(self.taskdevicepin[0],gpios.BOTH,self.p001_handler,200)
self.timer100ms = False
except:
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"Event can not be added, register backup timer")
self.timer100ms = True
def plugin_read(self):
result = False
if self.initialized:
self.set_value(1,gpios.HWPorts.input(self.taskdevicepin[0]),True)
self._lastdataservetime = rpieTime.millis()
result = True
return result
def p001_handler(self,channel):
if self.initialized and self.enabled:
val = gpios.HWPorts.input(self.taskdevicepin[0])
if val != self.uservar[0]:
self.set_value(1,val,True)
self._lastdataservetime = rpieTime.millis()
def timer_ten_per_second(self):
if self.initialized and self.enabled:
val = gpios.HWPorts.input(self.taskdevicepin[0])
if val != self.uservar[0]:
self.set_value(1,val,True)
self._lastdataservetime = rpieTime.millis()
def p001_timercb(self,stimerid,ioarray):
if ioarray[0] > -1:
misc.addLog(rpieGlobals.LOG_LEVEL_DEBUG,"BCM"+str(ioarray[0])+": LongPulse ended")
try:
gpios.HWPorts.output(ioarray[0],ioarray[1])
except Exception as e:
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"BCM"+str(ioarray[0])+": "+str(e))
def plugin_write(self,cmd):
res = False
cmdarr = cmd.split(",")
cmdarr[0] = cmdarr[0].strip().lower()
if cmdarr[0] == "gpio":
pin = -1
val = -1
try:
pin = int(cmdarr[1].strip())
val = int(cmdarr[2].strip())
except:
pin = -1
if pin>-1 and val in [0,1]:
misc.addLog(rpieGlobals.LOG_LEVEL_DEBUG,"BCM"+str(pin)+" set to "+str(val))
suc = False
try:
suc = True
gpios.HWPorts.output(pin,val)
except Exception as e:
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"BCM"+str(pin)+": "+str(e))
suc = False
# if suc == False:
# try:
# gpios.HWPorts.output(pin,val,True) # force output?
# except Exception as e:
# print("output failed ",pin,val,e)
# suc = False
res = True
elif cmdarr[0]=="pwm":
pin = -1
prop = -1
try:
pin = int(cmdarr[1].strip())
prop = int(cmdarr[2].strip())
except:
pin = -1
prop = -1
freq = 1000
try:
freq = int(cmdarr[3].strip())
except:
freq = 1000
if pin>-1 and prop>-1:
suc = False
try:
suc = True
gpios.HWPorts.output_pwm(pin,prop,freq)
misc.addLog(rpieGlobals.LOG_LEVEL_DEBUG,"BCM"+str(pin)+" PWM "+str(prop)+"% "+str(freq)+"Hz")
except Exception as e:
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"BCM"+str(pin)+" PWM "+str(e))
suc = False
res = True
elif cmdarr[0]=="pulse":
pin = -1
val = -1
try:
pin = int(cmdarr[1].strip())
val = int(cmdarr[2].strip())
except:
pin = -1
dur = 100
try:
dur = float(cmdarr[3].strip())
except:
dur = 100
if pin>-1 and val in [0,1]:
misc.addLog(rpieGlobals.LOG_LEVEL_DEBUG,"BCM"+str(pin)+": Pulse started")
try:
gpios.HWPorts.output(pin,val)
s = (dur/1000)
time.sleep(s)
gpios.HWPorts.output(pin,(1-val))
except Exception as e:
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"BCM"+str(pin)+": "+str(e))
suc = False
misc.addLog(rpieGlobals.LOG_LEVEL_DEBUG,"BCM"+str(pin)+": Pulse ended")
res = True
elif cmdarr[0]=="longpulse":
pin = -1
val = -1
try:
pin = int(cmdarr[1].strip())
val = int(cmdarr[2].strip())
except:
pin = -1
dur = 2
try:
dur = float(cmdarr[3].strip())
except:
dur = 2
if pin>-1 and val in [0,1]:
misc.addLog(rpieGlobals.LOG_LEVEL_DEBUG,"BCM"+str(pin)+": LongPulse started")
try:
gpios.HWPorts.output(pin,val)
except Exception as e:
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"BCM"+str(pin)+": "+str(e))
suc = False
rarr = [pin,(1-val)]
rpieTime.addsystemtimer(dur,self.p001_timercb,rarr)
res = True
return res