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touchSensing.py
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touchSensing.py
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import serial
from finger import Finger
from multiprocessing import Process, Queue
import time
class TouchSensing():
def __init__(self, touchSensingQueue, port="COM4", baudrate=115200, fingers=[2]):
self.port = port
self.baudrate = baudrate
self.arduino = serial.Serial(port, baudrate)
self.touchSensingQueue = touchSensingQueue
self.fingers = {}
for fingerNum in fingers:
finger = Finger()
self.fingers[fingerNum] = finger
# self.touchDownLocation = x, y
pass
def getSensorData(self):
while True:
try:
line = self.arduino.readline()
line = str(line, 'utf-8').strip()
fingerNum, touchSensorData = self.extractData(line)
except KeyboardInterrupt:
return
except:
pass
else:
self.updateTouchState(fingerNum, touchSensorData)
pass
def extractData(self, line):
data = line.split(",")
fingerNum = 2
touchSensorData = int(data[0])
#fingerNum = int(data[0])
#touchSensorData = int(data[1])
return fingerNum, touchSensorData
def updateTouchState(self, fingerNum, touchSensorData):
result = self.fingers[fingerNum].updateTouchState(touchSensorData) # 1 if TouchDown, 0 if TouchUp
#TODO: Detecting tap
if result != None:
#self.touchSensingQueue.put((fingerNum, result))
self.touchSensingQueue.put(result)
return
if __name__ == "__main__":
q = Queue()
touchSensing = TouchSensing(q, port="/dev/cu.usbserial-AL03KLV2", baudrate=115200)
try:
touchSensing.getSensorData()
except KeyboardInterrupt:
pass