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