def __init__(self,
channel,
offset=-19,
lock=True,
bus_number=None,
address=0x40):
''' Init a servo on specific channel, this offset '''
if channel < 0 or channel > 16:
raise ValueError(
"Servo channel \"{0}\" is not in (0, 15).".format(channel))
if self._DEBUG:
print(self._DEBUG_INFO, "Debug on")
self.channel = channel
self.offset = offset
self.lock = lock
self.pwm = PWM(bus_number=bus_number, address=address)
self.frequency = self._FREQUENCY
self.write(90)
def __init__(self, debug=False, bus_number=1, db="config"):
''' Init the direction channel and pwm channel '''
self.forward_A = True
self.forward_B = True
self.db = fileDB(db=db)
self.forward_A = int(self.db.get('forward_A', default_value=1))
self.forward_B = int(self.db.get('forward_B', default_value=1))
self.left_wheel = Motor(self.Motor_A, offset=self.forward_A)
self.right_wheel = Motor(self.Motor_B, offset=self.forward_B)
self.pwm = PWM(bus_number=bus_number)
def _set_a_pwm(value):
pulse_wide = self.pwm.map(value, 0, 100, 0, 4095)
self.pwm.write(self.PWM_A, 0, pulse_wide)
def _set_b_pwm(value):
pulse_wide = self.pwm.map(value, 0, 100, 0, 4095)
self.pwm.write(self.PWM_B, 0, pulse_wide)
self.left_wheel.pwm = _set_a_pwm
self.right_wheel.pwm = _set_b_pwm
self._speed = 0
self.debug = debug
if self._DEBUG:
print(
self._DEBUG_INFO, 'Set left wheel to #%d, PWM channel to %d' %
(self.Motor_A, self.PWM_A))
print(
self._DEBUG_INFO, 'Set right wheel to #%d, PWM channel to %d' %
(self.Motor_B, self.PWM_B))
def __init__(self, fwd, bwd, pwm):
self.fwd_pin = fwd
self.bwd_pin = bwd
self.pwm_pin = PWM(pwm, blocking=False)
GPIO.setup(self.fwd_pin, GPIO.OUT)
GPIO.setup(self.bwd_pin, GPIO.OUT)
def initialiseLists(self):
db = sqlite3.connect("./test2.sql")
gpio = db.execute(""" SELECT * FROM Gpio """)
for row in gpio:
gpioType = row[2]
pinNumber = row[0]
gpioNumber = row[1]
label = row[3]
if gpioType == 'out':
# create a switch
switch = Switch(pinNumber, gpioNumber, label, self)
#self.gpioList.append(switch)
self.gpioLabelMapping[label] = gpioNumber
self.gpioMap[gpioNumber] = switch
elif gpioType == 'in':
# create a contact
contact = Contact(pinNumber, gpioNumber, label, self)
#self.gpioList.append(contact)
self.gpioLabelMapping[label] = gpioNumber
self.gpioMap[gpioNumber] = contact
elif gpioType == 'PWM':
# create a pwm
pwm = PWM(pinNumber, gpioNumber, label, self)
#self.gpioList.append(pwm)
self.gpioLabelMapping[label] = gpioNumber
self.gpioMap[gpioNumber] = pwm
# else:
# print("Skipped pin for now")
for gpio in self.gpioMap.values():
if gpio.threadBehavior != None:
gpio.threadBehavior.start()
table = db.execute(""" SELECT * FROM Alias""")
self.gpioAliasMapping = {}
for row in table:
alias = row[1]
gpio = row[2]
self.gpioAliasMapping[alias] = gpio
self.gpioAliasMapping = {
**self.gpioLabelMapping,
**self.gpioAliasMapping
}
print("---------------")
print("GPIO Map:")
print("---------------")
print(self.gpioMap)
print("---------------")
print("Alias Map:")
print("---------------")
print(self.gpioAliasMapping)
db = sqlite3.connect("./test2.sql")
rules = db.execute(""" SELECT * FROM Rules """)
for row in rules:
ruleGpioTrigger = row[1]
ruleGpioNewValue = row[2]
ruleTriggeredScript = row[3]
if ruleGpioTrigger not in self.ruleTableSwitchType:
self.ruleTableSwitchType[ruleGpioTrigger] = []
self.ruleTableSwitchType[ruleGpioTrigger].append(
[ruleGpioNewValue, ruleTriggeredScript])
cronJobs = db.execute(""" SELECT * FROM CronJobs """)
for row in cronJobs:
ruleCronStatement = row[1]
ruleTriggeredScript = row[2]
if ruleCronStatement not in self.ruleTableCronType:
self.ruleTableCronType[ruleCronStatement] = []
self.ruleTableCronType[ruleCronStatement].append(
ruleTriggeredScript)
UPPER_SHELL_RED = 8
UPPER_SHELL_GREEN = 9
UPPER_SHELL_BLUE = 10
############################################################
# i2c
############################################################
# prox detection address
GP2Y0E02B = 0x40
proxSensor1 = Adafruit_I2C(GP2Y0E02B)
#proxSensor2 = Adafruit_I2C(VCNL4010_I2CADDR_DEFAULT)
#PWM driver connected on i2c
ledDriver = PWM(0x42)
########################################################################
# websocket
########################################################################
amcServerIP = '192.168.42.1'
def on_show_video_1(message):
if (message['id'] == ID):
global player
if (player):
player.quit()
player = OMXPlayer("path/to/file.mp4",
args=['--no-osd', '--no-keys', '-b'])
from PWM import PWM
import time
CUPHOLDER_PWM = 12
CUPHOLDER_2_PWM = 13
UNDER_SEAT_PWM = 0
UPPER_SHELL_RED = 8
UPPER_SHELL_GREEN = 9
UPPER_SHELL_BLUE = 10
# Initialise the PWM device using the default address
pwm = PWM(0x42)
# Note if you'd like more debug output you can instead run:
#pwm = PWM(0x42)
freq = 0
pwm.setPWMFreq(500) # Set frequency to 60 Hz
while (True):
if freq > 4095:
freq = 0
else:
freq = freq + 10
pwm.setPWM(UNDER_SEAT_PWM, 4095 - freq, freq)
pwm.setPWM(CUPHOLDER_PWM, 4095 - freq, freq)
pwm.setPWM(UPPER_SHELL_GREEN, 4095 - freq, freq)
pwm.setPWM(UPPER_SHELL_BLUE, 4095 - freq, freq)
pwm.setPWM(UPPER_SHELL_RED, 2048, 2048)
pwm.setPWM(CUPHOLDER_2_PWM, 4095 - freq, freq)
