1
0
mirror of https://github.com/undera/pylgbst.git synced 2020-11-18 19:37:26 -08:00
2019-01-06 15:43:10 +03:00

101 lines
2.7 KiB
Python

import logging
import traceback
from pylgbst import get_connection_auto
from pylgbst.comms import DebugServerConnection
from pylgbst.constants import COLORS, COLOR_YELLOW, COLOR_BLUE, COLOR_CYAN, COLOR_RED, COLOR_BLACK
from pylgbst.movehub import MoveHub
class ColorSorter(MoveHub):
positions = [COLOR_YELLOW, COLOR_BLUE, COLOR_CYAN, COLOR_RED]
def __init__(self, connection=None):
super(ColorSorter, self).__init__(connection)
self.position = len(self.positions)
self.color = 0
self.distance = 10
self._last_wheel_dir = 1
self.color_distance_sensor.subscribe(self.on_color)
self.queue = [None for _ in range(0, 1)]
def on_color(self, colr, dist):
if colr not in (COLOR_BLACK,) or dist < 2.5:
logging.debug("%s %s", COLORS[colr], dist)
self.color = colr
self.distance = dist
def feed(self):
self.motor_A.angled(1080) # 1080 was true
def move_to_bucket(self, color):
logging.info("Bucket: %s", COLORS[color])
if color in self.positions:
newpos = self.positions.index(color)
else:
newpos = len(self.positions)
if newpos == self.position:
return
offset = newpos - self.position
wheel_dir = offset / abs(offset)
# if wheel_dir != self._last_wheel_dir:
# self.motor_B.angled(30 * wheel_dir)
self.motor_B.angled(offset * 600, 0.8)
self.position = newpos
self._last_wheel_dir = wheel_dir
def clear(self):
self.color_distance_sensor.unsubscribe(self.on_color)
if not self.motor_B.in_progress():
self.move_to_bucket(COLOR_BLACK)
self.motor_AB.stop(is_async=True)
def tick(self):
res = False
item = (self.color, self.distance) # read once
if item[1] <= 5.0:
logging.info("Detected: %s", COLORS[item[0]])
self.queue.append(item)
res = True
else:
self.queue.append(None)
logging.debug("%s", [COLORS[x[0]] if x else None for x in self.queue])
last = self.queue.pop(0)
if last:
self.move_to_bucket(last[0])
res = True
self.feed()
return res
if __name__ == '__main__':
logging.basicConfig(level=logging.INFO)
try:
conn = DebugServerConnection()
except BaseException:
logging.warning("Failed to use debug server: %s", traceback.format_exc())
conn = get_connection_auto()
sorter = ColorSorter(conn)
empty = 0
try:
while True:
empty += 1
if sorter.tick():
empty = 0
elif empty > 20:
break
finally:
sorter.clear()