handController

import RPi.GPIO as GPIO
import time
import sys

GPIO.cleanup()

pins = {0: {"in": 8,"out": 10},
	1: {"in": 7,"out": 11},
	2: {"in": 13,"out": 15},
	3: {"in": 19,"out": 21},
	4: {"in": 16,"out": 18}}

def register_pins():
	global inPins
	global outPins
	inPins = []
	outPins = []
	for finger in pins:
		inPins.append(pins[finger]["in"])
		outPins.append(pins[finger]["out"])
	
def setup_board():
	GPIO.setmode(GPIO.BOARD)

def setup_pins():
	for pin in inPins:
		GPIO.setup(pin, GPIO.IN)
		
	for pin in outPins:
		GPIO.setup(pin, GPIO.OUT, initial=GPIO.LOW)

def getResistance(inPin, outPin):
	startTime = time.time()
	GPIO.output(outPin, GPIO.HIGH)
	GPIO.wait_for_edge(inPin, GPIO.RISING)
	stopTime = time.time()
	return(stopTime - startTime)

def start():
	setup_board()
	register_pins()
	setup_pins()
	resistanceVals = [[],[],[],[],[]]
	output = ["","","","",""]
	while True:
		for finger in range(5):
			resistanceVals[finger].append(getResistance(pins[finger]["in"], pins[finger]["out"]))
			if len(resistanceVals[finger]) > 10:
				output[finger] = "Finger " + str(finger+1) + ": " + str(1000*(sum(resistanceVals[finger])/len(resistanceVals[finger]))) + " ms"
				resistanceVals[finger] = []
				
		print("Resistance Averages per Finger")
		for line in output:
			print(line)

if "start" in sys.argv:
	start()