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""" | |
DeepLabCut Toolbox (deeplabcut.org) | |
© A. & M. Mathis Labs | |
Licensed under GNU Lesser General Public License v3.0 | |
""" | |
import serial | |
import struct | |
import time | |
import numpy as np | |
from dlclive import Processor | |
class MouseLickLED(Processor): | |
def __init__(self, com, lik_thresh=0.5, baudrate=int(9600)): | |
super().__init__() | |
self.ser = serial.Serial(com, baudrate, timeout=0) | |
self.lik_thresh = lik_thresh | |
self.lick_frame_time = [] | |
self.out_time = [] | |
self.in_time = [] | |
def close_serial(self): | |
self.ser.close() | |
def switch_led(self): | |
### flush input buffer ### | |
self.ser.reset_input_buffer() | |
### turn on IR LED ### | |
self.out_time.append(time.time()) | |
self.ser.write(b"I") | |
### wait for receiver ### | |
while True: | |
led_byte = self.ser.read() | |
if len(led_byte) > 0: | |
break | |
self.in_time.append(time.time()) | |
def process(self, pose, **kwargs): | |
### bodyparts | |
# 0. pupil-top | |
# 1. pupil-left | |
# 2. pupil-bottom | |
# 3. pupil-right | |
# 4. lip-upper | |
# 5. lip-lower | |
# 6. tongue | |
# 7. tube | |
if kwargs["record"]: | |
if pose[6, 2] > self.lik_thresh: | |
self.lick_frame_time.append(kwargs["frame_time"]) | |
self.switch_led() | |
return pose | |
def save(self, filename): | |
### save stim on and stim off times | |
filename += ".npy" | |
out_time = np.array(self.out_time) | |
in_time = np.array(self.in_time) | |
frame_time = np.array(self.lick_frame_time) | |
try: | |
np.savez( | |
filename, out_time=out_time, in_time=in_time, frame_time=frame_time | |
) | |
save_code = True | |
except Exception: | |
save_code = False | |
return save_code | |