def twist_knob(screen_event: Event, knob: RotaryEncoder, label,
date_reader: controls.date_knob_reader):
if knob.is_active:
print(f"Knob {label} steps={knob.steps} value={knob.value}")
else:
if knob.steps < knob.threshold_steps[0]:
knob.steps = knob.threshold_steps[0]
if knob.steps > knob.threshold_steps[1]:
knob.steps = knob.threshold_steps[1]
print(f"Knob {label} is inactive")
date_reader.update()
screen_event.set()
def twist_knob(knob: RotaryEncoder, label,
date_reader: controls.date_knob_reader):
if knob.is_active:
logger.debug(f"Knob {label} steps={knob.steps} value={knob.value}")
else:
if knob.steps < knob.threshold_steps[0]:
knob.steps = knob.threshold_steps[0]
if knob.steps > knob.threshold_steps[1]:
knob.steps = knob.threshold_steps[1]
logger.debug(f"Knob {label} is inactive")
date_reader.update()
knob_event.set()
stagedate_event.set()
def run(self):
print("stop watch running")
rotor = RotaryEncoder(16, 20)
rotor.steps = 1800
btn = Button(21, pull_up=False)
done = threading.Event()
btn.when_released = self.toggle_timer
rotor.when_rotated_clockwise = self.rotate_clockwise
rotor.when_rotated_counter_clockwise = self.rotate_counter_clockwise
done.wait()
def decade_knob(knob: RotaryEncoder, label, counter: decade_counter):
if knob.is_active:
print(f"Knob {label} steps={knob.steps} value={knob.value}")
else:
if knob.steps < knob.threshold_steps[0]:
if label == "year" and d.steps > d.threshold_steps[0]:
knob.steps = knob.threshold_steps[1]
d.steps = max(d.threshold_steps[0], d.steps - 1)
else:
knob.steps = knob.threshold_steps[0]
if knob.steps > knob.threshold_steps[1]:
if label == "year" and d.steps < d.threshold_steps[1]:
knob.steps = knob.threshold_steps[0]
d.steps = min(d.threshold_steps[1], d.steps + 1)
else:
knob.steps = knob.threshold_steps[1]
print(f"Knob {label} is inactive")
counter.set_value(d.steps, y.steps)
if label == "month":
m_knob_event.set()
if label == "day":
d_knob_event.set()
if label == "year":
y_knob_event.set()
from threading import Event
#from colorzero import Color
from gpiozero import RotaryEncoder, Button #,RGBLED
rotor = RotaryEncoder(22, 23, wrap=True, max_steps=180)
rotor.steps = 0
#led = RGBLED(22, 23, 24, active_high=False)
btn = Button(24, pull_up=True)
#led.color = Color('#f00')
done = Event()
def prnt_stp():
stp = (rotor.steps)
print('Step = {stp}'.format(stp=stp))
#def change_hue():
# Scale the rotor steps (-180..180) to 0..1
#hue = (rotor.steps + 180) / 360
#led.color = Color(h=hue, s=1, v=1)
#def show_color():
#print('Hue {led.color.hue.deg:.1f}° = {led.color.html}'.format(led=led))
def stop_script():
print('Exiting')
done.set()
from threading import Event
from colorzero import Color
from gpiozero import RotaryEncoder, RGBLED, Button
rotor = RotaryEncoder(16, 20, wrap=True, max_steps=180)
rotor.steps = -180
led = RGBLED(22, 23, 24, active_high=False)
btn = Button(21, pull_up=False)
led.color = Color('#f00')
done = Event()
def change_hue():
# Scale the rotor steps (-180..180) to 0..1
hue = (rotor.steps + 180) / 360
led.color = Color(h=hue, s=1, v=1)
def show_color():
print('Hue {led.color.hue.deg:.1f}° = {led.color.html}'.format(led=led))
def stop_script():
print('Exiting')
done.set()
print('Select a color by turning the knob')
rotor.when_rotated = change_hue
print('Push the button to see the HTML code for the color')
btn.when_released = show_color
LED_PIN = 19
factory = PiGPIOFactory(
host='192.168.1.4') #replace the IP with the Raspberry Pi’s IP
rotor = RotaryEncoder(
ENCODER_CLK_PIN,
ENCODER_DT_PIN,
wrap=False, # Rotary encoder connected to GPIO
max_steps=50,
pin_factory=factory)
button = Button(ENCODER_BUTTON_PIN, pull_up=True,
pin_factory=factory) # Rotary encoder Button connected to GPIO
led = PWMLED(LED_PIN, pin_factory=factory) # LED connected to GPIO
rotor.steps = -50
global duty_cycle
global last_button
global last_value
duty_cycle = 0
last_button = False
def encoder_buttonPress(channel):
global last_value
global last_button
global duty_cycle
if (last_button and duty_cycle == 0):
ENCODER = RotaryEncoder(17, 18, max_steps=0)
SERVO = AngularServo(22,
min_angle=-90,
max_angle=90,
pin_factory=pigpio_factory)
ENC_SRV_RATIO = 2 # How many encoder steps is one servo angle
TAKEOVER_OFFSET = 40 #The difference (in angles) between the Encoder and the Servo posiotn to trigger manual override
IS_AV_MODE = True
SERVO.angle = 0
print("Servo set to mid. Move hande to center position.")
sleep(5)
print("Resetting encoder")
ENCODER.steps = 0
def encoder_reader():
global ENCODER
encoder_done = threading.Event()
print('Turn the encoder!!')
ENCODER.when_rotated = get_encoder_step
encoder_done.wait()
def get_encoder_step():
global ENCODER, SERVO, IS_AV_MODE, ENC_SRV_RATIO, TAKEOVER_OFFSET
enc_pos = ENCODER.steps
# https://gpiozero.readthedocs.io/en/stable/recipes.html?highlight=RotaryEncoder#rotary-encoder
# from threading import Event
# from colorzero import Color
from gpiozero import RotaryEncoder, RGBLED, Button
rotor = RotaryEncoder(16, 20, wrap=True, max_steps=7)
rotor.steps = -7
# led = RGBLED(22, 23, 24, active_high=False)
btn = Button(21)
#btn = Button(21, pull_up=False)
# led.color = Color('#f00')
# done = Event()
def change_hue():
# Scale the rotor steps (-180..180) to 0..1
hue = (rotor.steps + 7) / 14
print(rotor.steps)
#led.color = Color(h=hue, s=1, v=1)
def show_color():
print('btn release')
# print('Hue {led.color.hue.deg:.1f}° = {led.color.html}'.format(led=led))
def stop_script():
print('btn hold')