70 lines
2.1 KiB
Python
70 lines
2.1 KiB
Python
import os
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import time
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from pySerialTransfer import pySerialTransfer as txfer
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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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# On Linux, it will be "/dev/ttyXXX#", like "/dev/ttyACM0" or "/dev/ttyUSB0". I think macOS is the same.
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# On Windows, it will be "COM#", like "COM3"
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# ---
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port = '/dev/ttyACM0'
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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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temp = 0
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while True:
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time.sleep(1)
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################################################################################################################
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# How to 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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temp += 1
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int_size = link.tx_obj(temp, 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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# Print sent and received data
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print('Send:', temp, '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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