def call_sonar(TRIG, ECHO):
GPIO.setmode(GPIO.BOARD)
GPIO.setup(TRIG,GPIO.OUT)
GPIO.setup(ECHO,GPIO.IN)
GPIO.output(TRIG, GPIO.LOW)
GPIO.output(TRIG,GPIO.HIGH)
time.sleep(0.00001)
GPIO.output(TRIG, GPIO.LOW)
pulse_start = time.time()
pulse_end = time.time()
count = 0
flag = 0
while GPIO.input(ECHO)==0:
pulse_start = time.time()
count = count + 1
if count >= 5:
print ("I break")
flag = 1
break
while GPIO.input(ECHO)==1:
pulse_end = time.time()
pulse_duration = pulse_end - pulse_start
distance = pulse_duration * 17150
distance = round(distance,2)
if flag == 1 or distance < 0:
distance = 0
return distance
def getDistance(self):
# pins setup
GPIO.setup(self.trig, GPIO.OUT, initial=GPIO.LOW)
GPIO.setup(self.echo, GPIO.IN)
# set Trigger to HIGH for 10 us
GPIO.output(self.trig, GPIO.HIGH)
time.sleep(0.00001) # 10 us
GPIO.output(self.trig, GPIO.LOW)
# start counting time at Echo rising edge
GPIO.wait_for_edge(self.echo, GPIO.RISING, timeout=100) # 100 ms
startTime = time.time()
# stop counting time at Echo falling edge
GPIO.wait_for_edge(self.echo, GPIO.FALLING, timeout=100) # 100 ms
elapsedTime = time.time() - startTime # in seconds
distance = -1
# check if the measurement succeeded
if elapsedTime < 0.1:
# get the distance in cm using sonic speed (aprox. 34300 cm/s)
distance = (elapsedTime * 34300) / 2
GPIO.cleanup([self.trig, self.echo])
return distance
def __init__(self,
trigger_pin,
echo_pin,
invert_echo_pin=False,
max_timeout=10,
callback=None,
args=[]):
Thread.__init__(self)
self._stopped = Event()
self._startSignal = Event()
self._oneRunFinished = Event()
self._process = _INIT
self._echo_pin = echo_pin
self._trigger_pin = trigger_pin
self._invert_echo_pin = invert_echo_pin
self._echo_times = np.array([0.0, 0.0])
self._time_diff = 0.0
self._response_after_trig_timeout = 0.005 #ms
self._max_timeout = self._response_after_trig_timeout + max_timeout
self._call_back_fn = callback
self._call_back_args = args
GPIO.setmode(GPIO.BOARD)
GPIO.setup(self._echo_pin, GPIO.IN)
GPIO.setup(self._trigger_pin, GPIO.OUT, initial=GPIO.HIGH)
def main():
GPIO.setmode(GPIO.BOARD)
GPIO.setup(output_pin, GPIO.OUT, initial=GPIO.HIGH)
#cv2.imshow('test', img)
#cv2.waitKey()
#time.sleep(20)
thread2 = ThreadWatchDog(1)
thread2.start()
try:
#img = np.zeros((800, 800))
start_lidar()
i2c.LidarOn()
#wait for started
time.sleep(1)
lidar.connect()
health = lidar.get_health()
print(health)
iterator = lidar.iter_scans()
thread1 = Thread1(1)
thread1.start()
while True:
#run_lidar()
#detector(img)
cv2.imshow("test", img)
cv2.waitKey(1)
finally:
stop_lidar()
def new_execute():
global recst
global recbtn
GPIO.setmode(GPIO.BOARD)
GPIO.setup(recbtn, GPIO.IN)
GPIO.add_event_detect(recbtn,
GPIO.FALLING,
callback=btn_th,
bouncetime=200)
phpath = "./data/rec/"
os.makedirs(phpath, exist_ok=True)
# Left Camera
camera0 = nano.Camera(device_id=0, flip=2, width=224, height=224, fps=60)
# Right Camera
camera1 = nano.Camera(device_id=1, flip=2, width=224, height=224, fps=60)
# wait rec button
print("REC wait ...")
waitrec()
# rec start
print("REC START! ...")
# recloop_old(camera0, "./data/apex/", 0.1)
# recloopDual_old(camera0,camera1, phpathL,phpathR, 0.1)
# recloopStereo_old(camera0,camera1, phpathMx, phpathL,phpathR, 0.1)
recloopDual(camera0, camera1, phpath, 0.05)
# testloop()
print("REC END!! ...")
camera0.release()
camera1.release()
# finish
del camera0
GPIO.cleanup()
def main():
# Pin Setup:
GPIO.setmode(GPIO.BOARD) # BOARD pin-numbering scheme
# GPIO.setup([led_pin_1, led_pin_2], GPIO.IN) # LED pins set as output
GPIO.setup(12, GPIO.IN) # button pin set as input
#GPIO.setup(led_pin_2, GPIO.IN)
# Initial state for LEDs:
# GPIO.output(led_pin_1, GPIO.LOW)
# GPIO.output(led_pin_2, GPIO.LOW)
GPIO.add_event_detect(12, GPIO.RISING, callback=blink1, bouncetime=10)
#GPIO.add_event_detect(led_pin_2, GPIO.RISING, callback=blink2, bouncetime=10)
print("Starting demo now! Press CTRL+C to exit")
try:
while True:
input1 = GPIO.input(led_pin_1)
#input2 = GPIO.input(led_pin_2)
# blink LED 1 slowly
print("Value read from pin {} : {}\n".format(input1, ' pin_1 low'))
time.sleep(2)
#print("Value read from pin {} : {}\n".format(input2, '2down'))
# time.sleep(1)
finally:
GPIO.cleanup() # cleanup all GPIOs
def main(argv):
global output_pin, frequency, state_flag, perma_state, random_flag, random_size, times
if len(argv) == 1:
print(
'Using default values of: Output Pin = Board 12, Frequency = 30 Hz'
)
try:
opts, args = getopt.getopt(
argv, "hs:r:f:t:", ["state=", "random=", "frequency=", "times="])
except getopt.GetoptError:
usage()
sys.exit(2)
for opt, arg in opts:
if opt == '-h':
usage()
sys.exit()
elif opt in ('-s', '--state'):
state_flag = True
perma_state = get_perma_state(arg)
elif opt in ('-f', '--freq'):
frequency = int(arg)
elif opt in ('-r', '--random'):
random_flag = True
random_size = int(arg)
elif opt in ('-t', '--times'):
times = int(arg)
signal.signal(signal.SIGINT, interrupt_handler)
if state_flag:
GPIO.setmode(GPIO.BOARD)
GPIO.setup(output_pin, GPIO.OUT, initial=perma_state)
GPIO.output(output_pin, perma_state)
print('Output set to permanent state: {0}'.format(perma_state))
GPIO.cleanup(output_pin)
elif random_flag:
# logging config
# ToDo: Change the filename here if in the future our datasets change
logging.basicConfig(
filename='DataLog/TXDATA/transmitter_{0}Hz_{1}_cycles-{2}_bits.log'
.format(frequency, times, random_size),
level=logging.INFO,
format='%(asctime)s %(message)s')
random_bits = generate_random_bitstream(random_size)
logging.info("Generated bitstream: {0}".format(random_bits))
transmission = create_transmission(random_bits, times)
f = open(
'DataLog/TXDATA/raw_bitsream_{0}Hz_{1}_cycles-{2}_bits.txt'.format(
frequency, times, random_size), "w+")
f.write(transmission)
print("Transmitting")
logging.info("Starting Transmission")
transmit(transmission)
logging.info("Transmisssion Ended")
else:
print('No flags set, exiting')
GPIO.output(output_pin, GPIO.LOW)
usage()
sys.exit(0)
def __init__(self):
super().__init__('status_light')
self.sample_received = False
self.light_on = False
# Init GPIO
GPIO.setmode(GPIO.BOARD)
GPIO.setwarnings(False)
GPIO.setup(7, GPIO.OUT, initial=GPIO.LOW)
GPIO.output(7, GPIO.LOW)
# Create QOS for subscriber
qos_klr_v = QoSProfile(history=QoSHistoryPolicy.RMW_QOS_POLICY_HISTORY_KEEP_LAST,
depth=1,
reliability=QoSReliabilityPolicy.RMW_QOS_POLICY_RELIABILITY_RELIABLE,
durability=QoSDurabilityPolicy.RMW_QOS_POLICY_DURABILITY_VOLATILE)
# Create subscriber
self.sub = self.create_subscription( msg_type=UInt32,
topic='camera_trigger',
callback=self.listener_callback,
qos_profile=qos_klr_v )
# Setup timer
timer_period_secs = 0.2
self.timer = self.create_timer( timer_period_secs, self.timer_callback )
def output_operation(pin, state):
"""
Perform the OUTPUT operation
"""
GPIO.setup(pin, GPIO.OUT)
GPIO.output(pin, state)
GPIO.cleanup()
def __init__(self, init_angle=0):
GPIO.setmode(GPIO.BOARD)
self.a_pin = 18
self.b_pin = 16
GPIO.setup([self.a_pin, self.b_pin], GPIO.IN)
self.e = multiprocessing.Event()
self.angle_queue = multiprocessing.Queue()
# self.angle_queue.put(None)
self.angle_store_time = None
self.a_prev = None
self.b_prev = None
if init_angle == 0:
self.count = 0
else:
self.count = int(180 * (360 / 1024))
self.encoder_process = multiprocessing.Process(
target=self.read_Encoder, args=(self.e, ))
#
self.encoder_process.start()
print("Started encoder child process")
def main():
# Pin Setup:
# Board pin-numbering scheme
GPIO.setmode(GPIO.BOARD)
# set pin as an output pin with optional initial state of LOW
GPIO.setup(trig_output_pin, GPIO.OUT, initial=GPIO.LOW)
GPIO.setup(echo_input_pin, GPIO.IN)
#value = GPIO.input(echo_input_pin)
#print("Value read from pin {} : {}".format(echo_input_pin,value_str))
print("Starting Measure now! Press CTRL+C to exit")
try:
while True:
# Toggle the output every second
GPIO.output(trig_output_pin, GPIO.HIGH)
time.sleep(0.00001)
GPIO.output(trig_output_pin, GPIO.LOW)
pulse_start = time.time()
while GPIO.input(echo_input_pin)==0:
pulse_start = time.time()
pulse_end = time.time()
while GPIO.input(echo_input_pin)==1:
pulse_end = time.time()
pulse_duration = pulse_end - pulse_start
distance = pulse_duration * 17150
distance = round(distance, 2)
print ("Distance" , distance)
finally:
GPIO.cleanup()
def __init__(self, start_band=0, end_band=180):
self.reset = False
self.start_dir_state = None
self.running_state = False
self.start_band = start_band
self.end_band = end_band
GPIO.setup(
[start_left_btn, start_right_btn, begin_track_btn, reset_btn],
GPIO.IN)
GPIO.setup([start_left_led, start_right_led, begin_track_led],
GPIO.OUT)
GPIO.add_event_detect(start_left_btn,
GPIO.RISING,
callback=self.start_left_cb,
bouncetime=100)
GPIO.add_event_detect(start_right_btn,
GPIO.RISING,
callback=self.start_right_cb,
bouncetime=100)
GPIO.add_event_detect(begin_track_btn,
GPIO.RISING,
callback=self.begin_tracking_cb,
bouncetime=100)
GPIO.add_event_detect(reset_btn,
GPIO.RISING,
callback=self.reset_btn_cb,
bouncetime=100)
def __init__(self, stepper_name, pins, sensor_pin, negate_sensor, reverse,
max):
self.stepper_name = stepper_name
self.pins = pins
self.sensor_pin = sensor_pin
self.negate_sensor = negate_sensor
self.reverse = reverse
self.actual_position = 0
self.backsteps = 1000 #If sensor is pressed move this steps back
self.seq = [[1, 0, 0, 0], [1, 1, 0, 0], [0, 1, 0, 0], [0, 1, 1, 0],
[0, 0, 1, 0], [0, 0, 1, 1], [0, 0, 0, 1], [1, 0, 0, 1]]
self.direction = -1 #1:CounterClockwise -1:Clockwise
self.min = 0 #Min is 0 when hit the sensor
self.max = max #Max value to turn
#Use board layout to set pin name
GPIO.setmode(GPIO.BOARD)
#Configure GPIO
for pin in self.pins:
GPIO.setup(pin, GPIO.OUT)
GPIO.output(pin, 0)
GPIO.setup(sensor_pin, GPIO.IN)
#GPIO.setup(sensor_pin,GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
#Init position stepper
self.init_position()
def __init__(self, dout_pin, pd_sck_pin, gain=128, channel='A'):
"""
:param dout_pin: number of the GPIO DOUT is connectedt to
:type dout_pin: int
:param pd_sck_pin: number of the GPIO SCK is connectedt to
:type int
:param gain: gain
:type gain: int
:param channel: selected channel
:type channel: str
"""
if (isinstance(dout_pin, int) and isinstance(
pd_sck_pin, int)): # just check of it is integer
self._pd_sck = pd_sck_pin # init pd_sck pin number
self._dout = dout_pin # init data pin number
else:
raise TypeError('dout_pin and pd_sck_pin have to be pin numbers.\nI have got dout_pin: ' \
+ str(dout_pin) + \
' and pd_sck_pin: ' + str(pd_sck_pin) + '\n')
GPIO.setmode(GPIO.BCM) # set GPIO pin mode to BCM numbering
GPIO.setup(self._pd_sck, GPIO.OUT) # pin _pd_sck is output only
GPIO.setup(self._dout, GPIO.IN) # pin _dout is input only
self.channel = channel
self.channel_a_gain = gain
def __init__(self, is_right, period = 0.20, sensor_state_manager = None, sensor_key = ''):
global RIGHT_CHANNEL
global LEFT_CHANNEL
if GPIO.getmode() != GPIO.TEGRA_SOC:
GPIO.setmode(GPIO.TEGRA_SOC) # Initialization of GPIO pin identification mode
self.period = period # Sampling time period (each measurement is taken at every <period>). Default set to 1 millisecond
self.current_time = 0.0 # Used to store current time in UTC ms from epoch (1/1/1970 00:00)
self.channel = RIGHT_CHANNEL # Left or right channel identification for left/right wheel
self.he_value = 0.0
#Measured value is instantaneous angular velocity (approximation)
self.measured_value = [0.0, 0.0, 0.0]
if is_right:
GPIO.setup(self.channel, GPIO.IN)
else:
self.channel = LEFT_CHANNEL
GPIO.setup(self.channel, GPIO.IN)
self.he_value = GPIO.input(self.channel) #Initialize hall effect sensor value
self.is_ready = True
self.sensor_key = sensor_key
self.sensor_state_manager = sensor_state_manager
def __init__(self, dout, pd_sck, gain=32):
self.PD_SCK = pd_sck
self.DOUT = dout
GPIO.setmode(GPIO.BOARD)
GPIO.setup(self.PD_SCK, GPIO.OUT)
GPIO.setup(self.DOUT, GPIO.IN)
self.GAIN = 0
self.REFERENCE_UNIT = 1 # The value returned by the hx711 that corresponds to your reference unit AFTER dividing by the SCALE.
self.OFFSET = 1
self.lastVal = 0
self.LSByte = [2, -1, -1]
self.MSByte = [0, 3, 1]
self.MSBit = [0, 8, 1]
self.LSBit = [7, -1, -1]
self.byte_range_values = self.LSByte
self.bit_range_values = self.MSBit
self.set_gain(gain)
time.sleep(1)
def __init__(self,
GPIO_mode: str,
GPIO_pinout: int,
active_artwork_file_path: str,
image_directory: str,
loop_sleep_sec: float = 1.0) -> None:
try:
mode = GPIO_MODES[GPIO_mode]
GPIO.setmode(mode)
GPIO.setup(GPIO_pinout, GPIO.IN)
self.GPIO_pinout = GPIO_pinout
except Exception as e:
print(e.message)
sys.exit(1)
if ('.jpg' in active_artwork_file_path) and (
os.path.isfile(active_artwork_file_path)):
self.active_artwork_file_path = active_artwork_file_path
else:
raise ValueError(
'Active arwork file is not a .jpg or does not exist.')
if os.path.isdir(image_directory):
self.image_directory = image_directory
self.loop_sleep_sec = loop_sleep_sec
def main():
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BOARD)
# GPIO.setup([stop, rec, menu], GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup([stop, rec, menu], GPIO.IN)
# # attach callbacks to events
# GPIO.add_event_detect(stop, GPIO.RISING, callback=stop_cb, bouncetime=200)
# GPIO.add_event_detect(rec, GPIO.RISING, callback=rec_cb, bouncetime=200)
# GPIO.add_event_detect(menu, GPIO.RISING, callback=menu_cb, bouncetime=200)
GPIO.add_event_detect(stop, GPIO.RISING)
GPIO.add_event_detect(rec, GPIO.RISING)
GPIO.add_event_detect(menu, GPIO.RISING)
while True:
try:
if GPIO.event_detected(stop):
stop_cb()
if GPIO.event_detected(rec):
rec_cb()
if GPIO.event_detected(menu):
menu_cb()
pass
except KeyboardInterrupt:
GPIO.cleanup()
sys.exit()
def init_gpio(self):
GPIO.setmode(GPIO.BOARD)
for i_num in range(0, self.i_size):
GPIO.setup(self.pin_index_i, GPIO.IN)
for o_num in range(0, self.o_size):
GPIO.setup(self.pin_index_o, GPIO.OUT)
def drive():
pwm = PCA9685()
pwm.setPWMFreq(50)
pwm.setRotationAngle(CAM_X, 180)
pwm.setRotationAngle(CAM_Y, 180)
pwm.setServoPulse(LEFT_MOTOR, 1501)
pwm.setServoPulse(RIGHT_MOTOR, 1501)
GPIO.setmode(GPIO.BOARD)
GPIO.setup(LEFT_ENABLE, GPIO.OUT, initial=GPIO.HIGH)
GPIO.setup(RIGHT_ENABLE, GPIO.OUT, initial=GPIO.HIGH)
listen_addr = ('127.0.0.1', 10008)
conn = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
conn.bind(listen_addr)
while True:
data, _ = conn.recvfrom(BUF_SIZE)
left_x = int.from_bytes(data[:1], byteorder='little', signed=True)
left_y = int.from_bytes(data[1:2], byteorder='little', signed=True)
right_x = int.from_bytes(data[2:3], byteorder='little', signed=True)
right_y = int.from_bytes(data[3:], byteorder='little', signed=True)
left_motor, right_motor = electric_differential(left_x, left_y)
# according to motor setting, need to reserve left motor
pwm.setServoPulse(LEFT_MOTOR, 3000 - left_motor)
pwm.setServoPulse(RIGHT_MOTOR, right_motor)
pwm.setRotationAngle(CAM_X, 160 - (right_x / 128.0 * 70 + 90))
pwm.setRotationAngle(CAM_Y, min(right_y / 128.0 * 70 + 120, 180))
def fanFunction():
# From left to right the inputs of RGB LED are R, Ground, G, B
fanPin = 19 # pin 35
GPIO.setup(fanPin, GPIO.OUT, initial=GPIO.LOW)
GPIO.output(fanPin, GPIO.HIGH)
#deadline = 200 # in miliseconds
# ENSURE DEADLINE MET, IDK HOW TO DO THIS IN PYTHON
return 1
def remove_air_sprays(front_sprayer=None, back_sprayer=None, time_interval=8):
try:
# Quantity of sprayers
sprayers = len(front_sprayer)
# Setting initial values for sprayers
GPIO.setup(front_sprayer, GPIO.OUT, initial=GPIO.LOW)
GPIO.setup(back_sprayer, GPIO.OUT, initial=GPIO.LOW)
# Initiating spray from the last one until the closest to the bar
print(
f'[WEEDS] OPENING the pin {front_sprayer[-1]} of the blue sprayer')
print(
f'[WEEDS] OPENING the pin {back_sprayer[-1]} of the red sprayer\n')
GPIO.output(front_sprayer[-1], GPIO.HIGH)
GPIO.output(back_sprayer[-1], GPIO.HIGH)
sleep(time_interval)
for index in range(1, sprayers):
print(
f'[WEEDS] CLOSING the pin {front_sprayer[-index]} of the blue sprayer'
)
print(
f'[WEEDS] CLOSING the pin {back_sprayer[-index]} of the red sprayer\n'
)
GPIO.output(front_sprayer[-index], GPIO.LOW)
GPIO.output(back_sprayer[-index], GPIO.LOW)
sleep(time_interval)
print(
f'[WEEDS] OPENING the pin {front_sprayer[-index - 1]} of the blue sprayer'
)
print(
f'[WEEDS] OPENING the pin {back_sprayer[-index - 1]} of the red \n'
)
GPIO.output(front_sprayer[-index - 1], GPIO.HIGH)
GPIO.output(back_sprayer[-index - 1], GPIO.HIGH)
sleep(time_interval)
print(
f'[WEEDS] CLOSING the pin {front_sprayer[-sprayers]} of the blue sprayer'
)
print(
f'[WEEDS] CLOSING the pin {back_sprayer[-sprayers]} of the red sprayer\n'
)
GPIO.output(front_sprayer[-sprayers], GPIO.LOW)
GPIO.output(back_sprayer[-sprayers], GPIO.LOW)
except KeyboardInterrupt:
print("[WEEDS] Turning off the sprayers.")
GPIO.output(front_sprayer, GPIO.LOW)
GPIO.output(back_sprayer, GPIO.LOW)
GPIO.cleanup()
sys.exit()
def setup():
GPIO.setup(DIR, GPIO.OUT)
GPIO.setup(STEP, GPIO.OUT)
GPIO.setup(ENABLE, GPIO.OUT)
GPIO.setup(MS1, GPIO.OUT)
GPIO.setup(MS2, GPIO.OUT)
reset_pins()
# Open Serial connection for debugging
print("Begin motor control")
def __init__(self):
GPIO.setmode(GPIO.BCM)
self.motor_lx = Motor(26, 21)
self.motor_rx = Motor(16, 19)
self.enable_lx = 13
self.enable_rx = 20
GPIO.setup(self.enable_lx, GPIO.OUT, initial=GPIO.HIGH)
GPIO.setup(self.enable_rx, GPIO.OUT, initial=GPIO.HIGH)
def __init__(self, trigpin=None, echopin=None):
self.__trigpin = trigpin
self.__echopin = echopin
GPIO.setmode(GPIO.BOARD)
GPIO.setwarnings(False)
GPIO.setup(trigpin, GPIO.OUT)
GPIO.setup(echopin, GPIO.IN)
def __init__(self, out1, out2, pca9685, pwm):
self.__out1 = out1
self.__out2 = out2
GPIO.setmode(GPIO.BOARD)
GPIO.setwarnings(False)
GPIO.setup(out1, GPIO.OUT, initial= GPIO.LOW)
GPIO.setup(out2, GPIO.OUT, initial=GPIO.LOW)
self.__pca9685 = pca9685
self.__pwm = pwm
def __init__(self, control_pins = DEFAULT_CONTROL_PINS, step_time = DEFAULT_STEP_TIME):
self.control_pins = control_pins
self.step_time = step_time
#GPIO.setmode(GPIO.BCM)
GPIO.setmode(GPIO.TEGRA_SOC)
for pin in self.control_pins:
GPIO.setup(pin, GPIO.OUT)
self._output(IDLE_PATTERN)
def __blink(self):
GPIO.setmode(self.__pin_type)
GPIO.setup(self.__output_pin, GPIO.OUT, initial=GPIO.HIGH)
curr_value = GPIO.HIGH
try:
GPIO.output(self.__output_pin, curr_value)
curr_value ^= GPIO.HIGH
finally:
GPIO.cleanup()
def __init__(self, pos, neg, conv, nconv, mode=GPIO.BOARD):
GPIO.setmode(mode)
GPIO.setup((pos, neg, conv, nconv), GPIO.OUT)
self.pos = pos
self.neg = neg
self.conv = conv
self.nconv = nconv
logger.debug(
f"GPIO module initialized as pos:{pos}, neg:{neg}, conv:{conv}, nconv:{nconv} @mode: {mode}"
)
def __init__(self, parent=None):
QtWidgets.QWidget.__init__(self, parent)
self.ui = uic.loadUi("widget.ui")
self.ui.setWindowTitle("GPIO test")
self.ui.show()
GPIO.setmode(GPIO.BOARD)
GPIO.setup(led_pin, GPIO.OUT) # set as output
GPIO.output(led_pin, GPIO.LOW)
self.ui.btn_up.clicked.connect(self.light_on)
self.ui.btn_down.clicked.connect(self.light_off)