import time from pySerialTransfer import pySerialTransfer as txfer 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. # On Linux, it will be "/dev/ttyXXX#", like "/dev/ttyACM0" or "/dev/ttyUSB0". I think macOS is the same. # On Windows, it will be "COM#", like "COM3" # --- port = '/dev/ttyACM2' link = txfer.SerialTransfer(port, 115200, timeout=.1) link.open() time.sleep(2) temp = 0 while True: time.sleep(1) ################################################################################################################ # How to send data to the Arduino ################################################################################################################ # send_size will be increased when data is added to payload send_size = 0 # Adds data to payload temp += 1 int_size = link.tx_obj(temp, 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)) # Print sent and received data print('Send:', temp, 'Received:', rec_int) except KeyboardInterrupt: try: link.close() except: pass except: import traceback traceback.print_exc() try: link.close() except: pass