The Industrial Raspberry Pi Forum

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import struct
import psutil
import time

class RevPiConnect():

	# Central process iamge offset values...
	REVPISTATUS =113 #RevPi Connect Offsets mit piTest -d ermittelt.
	REVPIIOCYCLE =114 
	CORE_TEMPERATUR =117 
	CORE_FREQUENCY =118 
	REVPILED =119
		
	MB_RTU_REG_OUT1 =188 #Modbus RTU Slave Offsets mit piTest -d ermittelt.
	MB_RTU_REG_OUT2 =190 
	MB_RTU_REG_OUT3 =192 
	MB_RTU_REG_OUT4 =194 

	f = None # piControl access device
		
	def __init__(self):
		self.f=open("/dev/piControl0","wb+",0)
		return

	#.-----------------------------------------------
	def getRevPiStatus(self):
		self.f.seek(self.REVPISTATUS)
		x = self.f.read(1)
		s = struct.unpack('B',x)
		i = s[0]
		return i
		
	def getRevPiIOCycle(self):
		self.f.seek(self.REVPIIOCYCLE)
		x = self.f.read(1)
		s = struct.unpack('B',x)
		i = s[0]
		return i
		
	def getCore_Temperatur(self):
		self.f.seek(self.CORE_TEMPERATUR)
		x = self.f.read(1)
		s = struct.unpack('B',x)
		i = float(s[0])
		return i
		
	def getCore_Frequency(self):
		self.f.seek(self.CORE_FREQUENCY)
		x = self.f.read(1)
		s = struct.unpack('B',x)
		i = s[0]*10
		return i
		
	def getRevPiLED(self):
		self.f.seek(self.REVPILED)
		x = self.f.read(1)
		s = struct.unpack('B',x)
		i = s[0]
		return i
		
	def setRevPiLED(self,LED):
		self.f.seek(self.REVPILED)	
		x = struct.pack('B',LED) 
		self.f.write(x) 
		return
		
	def setMbRtuTemp(self,TEMP):
		self.f.seek(self.MB_RTU_REG_OUT1)	
		x = struct.pack('B',TEMP) 
		self.f.write(x) 
		return
		
	def setMbRtuCPU(self,TEMP):
		self.f.seek(self.MB_RTU_REG_OUT2)	
		x = struct.pack('B',TEMP) 
		self.f.write(x) 
		return
		
	def setMbRtuDISK(self,TEMP):
		self.f.seek(self.MB_RTU_REG_OUT3)	
		x = struct.pack('B',TEMP) 
		self.f.write(x) 
		return
		
	def run(self):
	
		while True:
		
			time.sleep(10)
			
			temp = (int)(self.getCore_Temperatur())
			self.setMbRtuTemp(temp)
			
			cpu = (int)(psutil.cpu_percent(interval=1))
			self.setMbRtuCPU(cpu)
			
			disk = (int)(psutil.disk_usage('/').percent)
			self.setMbRtuDISK(disk)
			
RevPi = RevPiConnect()
RevPi.run()