k80-linux-cooling/Python/tx_loop.py

93 lines
2.8 KiB
Python

import GPUtil
import time
from pySerialTransfer import pySerialTransfer as txfer
from subprocess import getoutput
from glob import glob
try:
# ---
# You will need to customize port to your own computer; to find your port:
# With your Arduino plugged in, open Arduino IDE, and click "Select Board". Then, you can see the port.
# The port of the Uno will be "/dev/ttyXXX#", like "/dev/ttyACM0" or "/dev/ttyUSB0". I think macOS is the same.
# Then, just remove "/dev/", and the number, from the port, and type it into the variable `port`
# ---
port = 'ttyACM'
while True:
try:
port = glob(f'ls /dev/{port}*')[-]
break
except IndexError:
print('Waiting for Arduino...')
time.sleep(3)
link = txfer.SerialTransfer(port, 115200, timeout=.1)
link.open()
time.sleep(2)
while True:
time.sleep(1)
gpus = GPUtil.getGPUs()
temp = max(gpu.temperature for gpu in gpus)
speed = int(((temp - 40) / 40) * 100)
min_speed = 0
max_speed = 100
if speed < 0:
speed = min_speed
elif speed > 100:
speed = max_speed
print(f'Temp: {temp}')
print(f'Speed: {speed}')
################################################################################################################
# Send data to the Arduino
################################################################################################################
# send_size will be increased when data is added to payload
send_size = 0
# Adds data to payload
int_size = link.tx_obj(speed, send_size) - send_size
send_size += int_size
# Sends data to Arduino
link.send(send_size)
# Waits for response from Arduino, and reports errors while receiving packets
while not link.available():
if link.status < 0:
if link.status == txfer.CRC_ERROR:
print('Error: CRC_ERROR')
elif link.status == txfer.PAYLOAD_ERROR:
print('Error: PAYLOAD_ERROR')
elif link.status == txfer.STOP_BYTE_ERROR:
print('Error: STOP_BYTE_ERROR')
else:
print('Error: {}'.format(link.status))
# Parse response from Arduino
rec_int = link.rx_obj(
obj_type=int, obj_byte_size=int_size, start_pos=(send_size - int_size))
# Evaluate for comm. errors
if speed != rec_int:
print(f'Error: sent {speed}, received {rec_int}')
except KeyboardInterrupt:
try:
link.close()
except:
pass
except:
import traceback
traceback.print_exc()
try:
link.close()
except:
pass