Control RC with Pi.

pi_rc.py

from .xbox import Joystick
import time
import Adafruit_PCA9685

"""
Dependencies:

https://github.com/adafruit/Adafruit_Python_PCA9685
https://github.com/FRC4564/Xbox
https://github.com/ynsta/steamcontroller
"""

def scale(val, src, dst):
	# Scale the given value from the scale of src to the scale of dst.
	return ((val - src[0]) / (src[1]-src[0])) * (dst[1]-dst[0]) + dst[0]

pwm = Adafruit_PCA9685.PCA9685()
pwm.setPWMFreq(1000)

joy = xbox.Joystick()
m_chan = 0
s_chan = 1

while True:
	throttle = joy.rightTrigger() - leftTrigger()
	setPWM(m_chan, 0, scale(throttle, (-1.0, 1.0), (0, 4095))