BAPSicle/controllers/mattchbox_usb.py
2021-02-14 23:58:32 +00:00

43 lines
1.2 KiB
Python

from typing import List
from controllers.controller import Controller
from multiprocessing import Queue
import serial
import sys
class MattchBox(Controller):
ser: serial.Serial
def __init__(self, player_to_q: List[Queue], player_from_q: List[Queue]):
# connect to serial port
self.ser = serial.serial_for_url("/dev/cu.usbserial-310", do_not_open=True)
self.ser.baudrate = 2400
# TOOD: These need to be split in the player handler.
self.player_from_q = player_from_q
self.player_to_q = player_to_q
try:
self.ser.open()
except serial.SerialException as e:
sys.stderr.write('Could not open serial port {}: {}\n'.format(self.ser.name, e))
return
self.receive()
def receive(self):
while self.ser.is_open:
try:
line = int.from_bytes(self.ser.read(1), "big") # Endianness doesn't matter for 1 byte.
print("Controller got:", line)
if (line == 255):
print("Sending back KeepAlive")
self.ser.write(b'\xff') # Send 255 back.
elif (line in [1,3,5]):
self.player_to_q[int(line / 2)].put("PLAY")
elif (line in [2,4,6]):
self.player_to_q[int(line / 2)-1].put("STOP")
except:
continue