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#!/usr/bin/env python
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#-*- coding: utf-8 -*-
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"""Simple python library to drive DLP-TEMP module from www.dlpdesign.com
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"""
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import time
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import sys
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import os
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import matplotlib.pyplot as plt
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import numpy as np
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import serial
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import struct
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__author__ = "Alexis Jeandet"
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__copyright__ = "Copyright 2015, Laboratory of Plasma Physics"
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__credits__ = []
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__license__ = "GPLv2"
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__version__ = "1.0.0"
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__maintainer__ = "Alexis Jeandet"
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__email__ = "alexis.jeandet@member.fsf.org"
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__status__ = "Production"
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class dlp_temp(object):
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sensors = {0 : b'S',
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1 : b'T',
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2 : b'U',
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}
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aninputs = {0 : b'A',
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1 : b'B',
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2 : b'C',
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}
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digitin= {0 : b'M',
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1 : b'N',
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2 : b'O',
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}
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digithigh= {0 : b'J',
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1 : b'K',
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2 : b'L',
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}
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digitlow= {0 : b'G',
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1 : b'H',
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2 : b'I',
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}
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def __init__(self,port):
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self.i=0
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self.__port=serial.Serial(port,timeout=0.5)
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def ping(self):
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self.__port.write(b"P")
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return b'Q' == self.__port.read(1)
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def read_sensor(self,index):
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if index < 3:
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self.__port.write(self.sensors.get(index))
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dat=self.__port.read(9)
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temp=float(struct.unpack( "h", dat[:2])[0])*0.0625
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return temp #(temp-32.0)/1.8
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raise UserWarning("Parameter out of bound")
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def read_analog_in(self,index):
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if index < 3:
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self.__port.write(self.aninputs.get(index))
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dat=self.__port.read(2)
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val=float(struct.unpack( "h", dat[:2])[0])/512.0
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return val
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raise UserWarning("Parameter out of bound")
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def digit_in(self,index):
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if index < 3:
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self.__port.write(self.digitin.get(index))
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dat=self.__port.read(1)
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return dat
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raise UserWarning("Parameter out of bound")
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def digit_out(self,index,val):
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if index < 3:
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if val:
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self.__port.write(self.digithigh.get(index))
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else:
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self.__port.write(self.digitlow.get(index))
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raise UserWarning("Parameter out of bound")
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@property
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def sensor1(self):
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return self.read_sensor(0)
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@property
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def sensor2(self):
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return self.read_sensor(1)
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@property
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def sensor3(self):
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return self.read_sensor(2)
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@property
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def AN1(self):
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return self.read_analog_in(0)
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@property
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def AN2(self):
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return self.read_analog_in(1)
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@property
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def AN3(self):
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return self.read_analog_in(2)
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@property
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def GP2(self):
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return self.digit_in(0)
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@GP2.setter
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def GP2(self,value):
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return self.digit_out(0,value)
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@property
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def GP0(self):
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return self.digit_in(1)
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@GP0.setter
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def GP0(self,value):
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return self.digit_out(1,value)
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@property
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def GP4(self):
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return self.digit_in(2)
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@GP4.setter
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def GP4(self,value):
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return self.digit_out(2,value)
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def main(argv):
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if len(argv)==4:
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print(argv[3])
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if len(argv)>=3:
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dlp=dlp_temp(argv[0])
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while(True):
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readout=[dlp.read_sensor(i) for i in range(int(argv[1]))]
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print("{date}\t{values}".format(date=time.strftime("%Y-%m-%dT%H:%M:%S"),values="\t".join([str(x) for x in readout] )))
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time.sleep(float(argv[2]))
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if __name__ == '__main__':
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print(sys.argv)
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main(sys.argv[1:])
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