import time
from machine import u2if, ADC
analog = ADC(u2if.GP26)
while True:
print('Analog GP26_ADC0: %d' % analog.value())
time.sleep(1)
class PowerUp3:
def __init__(self):
self.x_adc = ADC(1)
self.btn_speed_up = Pin("P13", mode=Pin.IN, pull=Pin.PULL_UP)
self.btn_speed_down = Pin("P15", mode=Pin.IN, pull=Pin.PULL_UP)
self.btn_speed_full = Pin("P14", mode=Pin.IN, pull=Pin.PULL_UP)
self.btn_speed_off = Pin("P16", mode=Pin.IN, pull=Pin.PULL_UP)
self.x_mid = 0
self.calibrate()
self.connect()
self.loop()
def read_stick_x(self):
return self.x_adc.value()
def button_speed_up(self):
return not bool(self.btn_speed_up.value())
def button_speed_down(self):
return not bool(self.btn_speed_down.value())
def button_speed_full(self):
return not bool(self.btn_speed_full.value())
def button_speed_off(self):
return not bool(self.btn_speed_off.value())
def calibrate(self):
self.x_mid = self.read_stick_x()
def __str__(self):
return "calibration x: %i, y: %i" % (self.x_mid)
def map_chars(self):
s = self.p.getServices()
service_batt = s[3]
service_control = s[4]
self.char_batt_lvl = service_batt.getCharacteristics()[0]
self.char_control_speed = service_control.getCharacteristics()[0]
self.char_control_angle = service_control.getCharacteristics()[2]
def battery_level(self):
return int(self.char_batt_lvl.read()[0])
def speed(self, new_speed=None):
if new_speed == None:
return int(self.char_control_speed.read()[0])
else:
self.char_control_speed.write(bytearray([new_speed]))
def angle(self, new_angle=None):
if new_angle == None:
return int(self.char_control_angle.read()[0])
else:
self.char_control_angle.write(bytearray([new_angle]))
def connect(self):
dev = None
# connect to the airplane
while not dev:
dev = find_device_by_name("TailorToys PowerUp")
if dev:
self.p = Peripheral()
self.p.connect(dev.addr())
# locate interesting characteristics
self.map_chars()
def rudder_center(self):
if self.old_angle != 0:
self.old_angle = 0
self.angle(0)
def rudder_left(self, angle):
steps = (angle // self.interval_size_left)
new_angle = 60 - steps
if self.old_angle != new_angle:
self.angle(new_angle)
self.old_angle = new_angle
def rudder_right(self, angle):
steps = (angle // self.interval_size_right)
new_angle = -steps
if self.old_angle != new_angle:
self.angle(new_angle)
self.old_angle = new_angle
def throttle(self, speed):
if (speed > 200):
speed = 200
elif (speed < 0):
speed = 0
if self.old_speed != speed:
self.speed(speed)
self.old_speed = speed
def loop(self):
adc_threshold = 10
right_threshold = self.x_mid + adc_threshold
left_threshold = self.x_mid - adc_threshold
self.interval_size_left = self.x_mid // 60
self.interval_size_right = (255 - self.x_mid) // 60
self.old_angle = 0
self.old_speed = 0
while True:
time.sleep_ms(100)
# read out new angle
new_angle = self.read_stick_x()
if (new_angle < 256):
if (new_angle > right_threshold):
self.rudder_right(new_angle - self.x_mid)
elif (new_angle < left_threshold):
self.rudder_left(new_angle)
else:
self.rudder_center()
# read out new speed
new_speed = self.old_speed
if self.button_speed_up():
new_speed += 25
elif self.button_speed_down():
new_speed -= 25
elif self.button_speed_full():
new_speed = 200
elif self.button_speed_off():
new_speed = 0
else:
pass
self.throttle(new_speed)
min_voltage = 1380 # 1.38v
max_voltage = 1420 # 1.42v
elif 'PCA10040' in mch:
vdd = 2833 # 2.833v
adc_num = 1 # P0.03
min_voltage = 1380 # 1.38v
max_voltage = 1420 # 1.42v
elif 'PCA10056' in mch:
vdd = 2972
adc_num = 1
min_voltage = 1440
max_voltage = 1500
elif 'PCA10090' in mch:
pass
else:
raise Exception('Board not supported!')
a = ADC(adc_num)
scaler = 1000
num_samples = 100
max_adc_val = 255
val = 0
for i in range(0, num_samples):
val += a.value()
temp_res = val * scaler
res = vdd * temp_res // (num_samples * scaler) // max_adc_val
print(res >= min_voltage and res <= max_voltage)
class PowerUp3:
def __init__(self):
self.x_adc = ADC(1)
self.btn_speed_up = Pin("P13", mode=Pin.IN, pull=Pin.PULL_UP)
self.btn_speed_down = Pin("P15", mode=Pin.IN, pull=Pin.PULL_UP)
self.btn_speed_full = Pin("P14", mode=Pin.IN, pull=Pin.PULL_UP)
self.btn_speed_off = Pin("P16", mode=Pin.IN, pull=Pin.PULL_UP)
self.x_mid = 0
self.calibrate()
self.connect()
self.loop()
def read_stick_x(self):
return self.x_adc.value()
def button_speed_up(self):
return not bool(self.btn_speed_up.value())
def button_speed_down(self):
return not bool(self.btn_speed_down.value())
def button_speed_full(self):
return not bool(self.btn_speed_full.value())
def button_speed_off(self):
return not bool(self.btn_speed_off.value())
def calibrate(self):
self.x_mid = self.read_stick_x()
def __str__(self):
return "calibration x: %i, y: %i" % (self.x_mid)
def map_chars(self):
s = self.p.getServices()
service_batt = s[3]
service_control = s[4]
self.char_batt_lvl = service_batt.getCharacteristics()[0]
self.char_control_speed = service_control.getCharacteristics()[0]
self.char_control_angle = service_control.getCharacteristics()[2]
def battery_level(self):
return int(self.char_batt_lvl.read()[0])
def speed(self, new_speed=None):
if new_speed == None:
return int(self.char_control_speed.read()[0])
else:
self.char_control_speed.write(bytearray([new_speed]))
def angle(self, new_angle=None):
if new_angle == None:
return int(self.char_control_angle.read()[0])
else:
self.char_control_angle.write(bytearray([new_angle]))
def connect(self):
dev = None
# connect to the airplane
while not dev:
dev = find_device_by_name("TailorToys PowerUp")
if dev:
self.p = Peripheral()
self.p.connect(dev.addr())
# locate interesting characteristics
self.map_chars()
def rudder_center(self):
if self.old_angle != 0:
self.old_angle = 0
self.angle(0)
def rudder_left(self, angle):
steps = (angle // self.interval_size_left)
new_angle = 60 - steps
if self.old_angle != new_angle:
self.angle(new_angle)
self.old_angle = new_angle
def rudder_right(self, angle):
steps = (angle // self.interval_size_right)
new_angle = -steps
if self.old_angle != new_angle:
self.angle(new_angle)
self.old_angle = new_angle
def throttle(self, speed):
if (speed > 200):
speed = 200
elif (speed < 0):
speed = 0
if self.old_speed != speed:
self.speed(speed)
self.old_speed = speed
def loop(self):
adc_threshold = 10
right_threshold = self.x_mid + adc_threshold
left_threshold = self.x_mid - adc_threshold
self.interval_size_left = self.x_mid // 60
self.interval_size_right = (255 - self.x_mid) // 60
self.old_angle = 0
self.old_speed = 0
while True:
time.sleep_ms(100)
# read out new angle
new_angle = self.read_stick_x()
if (new_angle < 256):
if (new_angle > right_threshold):
self.rudder_right(new_angle - self.x_mid)
elif (new_angle < left_threshold):
self.rudder_left(new_angle)
else:
self.rudder_center()
# read out new speed
new_speed = self.old_speed
if self.button_speed_up():
new_speed += 25
elif self.button_speed_down():
new_speed -= 25
elif self.button_speed_full():
new_speed = 200
elif self.button_speed_off():
new_speed = 0
else:
pass
self.throttle(new_speed)
class Reader:
def __init__(self, pin):
self.channel = ADC().channel(pin=pin)
def read(self):
return Soil_Sensor.Result({'soil_humidity': self.channel.value()})