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spydian/lib/hardwarelib.py

84 lines
2.0 KiB
Python

from subprocess import call, check_output
from lib import ultrasonic
import RPi.GPIO as GPIO
class Navigator():
"""Forward Motor with relais, Steering with servo"""
def __init__(self, mrelaispin):
self.mrelpin = mrelaispin
self.steer = None
GPIO.setup(self.mrelpin, GPIO.OUT)
self.stop()
def left(self):
if self.steer != 'left':
call(['python', './lib/servolib.py', 'left'])
self.steer = 'left'
def right(self):
if self.steer != 'right':
call(['python', './lib/servolib.py', 'right'])
self.steer = 'right'
def straight(self):
if self.steer:
call(['python', './lib/servolib.py'])
self.steer = None
def forward(self):
GPIO.output(self.mrelpin, False)
def stop(self):
GPIO.output(self.mrelpin, True)
class Light:
"""Light switched with a relais"""
def __init__(self, lightpin):
self.pin = lightpin
GPIO.setup(self.pin, GPIO.OUT)
GPIO.output(self.pin, True)
self.shine = False
def switch(self):
GPIO.output(self.pin, not self.shine)
self.shine = not self.shine
def switch_on(self):
GPIO.output(self.pin, False)
def switch_of(self):
GPIO.output(self.pin, True)
class Ultrasonic:
"""A ultrasonic sensor"""
def __init__(self, trigger, echo):
self.sensor = ultrasonic.Sensor()
self.sensor.init(trigger, echo)
def get_distance(self):
distance = self.sensor.echo()
return distance
def __del__(self):
self.sensor.clean()
class Temperature:
"""A temperature sensor"""
def get_Temperature(self):
outp = check_output(['python', '-u', './lib/thermolib.py']).decode('ISO-8859-1')
temp, hum = outp.split('|')
return temp
def get_Humidity(self):
outp = check_output(['python', '-u', './lib/thermolib.py']).decode('ISO-8859-1')
temp, hum = outp.split('|')
return hum