added example
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serial_test.py
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59
serial_test.py
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import serial
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import time
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# Replace '/dev/ttyUSB1' with your serial port name
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ser = serial.Serial('/dev/ttyUSB1', 115200)
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time.sleep(2) # Wait for the connection to be established (I don't know why this is necessary, but it won't work without it)
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def send_command(command):
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print(f"Sending command: {command}")
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ser.write((command + '\n').encode())
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check = 0
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while check == 0:
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if ser.in_waiting:
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check = 1
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response = ser.readline().decode().strip()
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print(f"Received response: {response}")
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return response
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def main():
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# Ensure the serial connection is open
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if ser.is_open:
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print("Serial port is open")
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# Initialize the device
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response = send_command('STARTUP')
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# Set parameters
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response = send_command('SET_PARAMETER PRESSURE_OFFSET 10')
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response = send_command('SET_PARAMETER PRESSURE_SAMPLING SAMPLING_X4')
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# Get parameters
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response = send_command('GET_PARAMETER PRESSURE_OFFSET')
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response = send_command('GET_PARAMETER PRESSURE_SAMPLING')
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# Read sensor data
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response = "ERROR"
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while response == "ERROR":
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response = send_command('GET_SENSOR REQUEST PRESSURE')
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response = "FALSE"
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while response == "FALSE":
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response = send_command('GET_SENSOR CONFIRM PRESSURE')
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response = "FALSE"
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while response == "FALSE":
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response = send_command('GET_SENSOR CHECK PRESSURE')
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response = send_command('GET_SENSOR SEND PRESSURE') # binary data will need to be decoded to float
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# Reset sensors (not useful after calling the SEND command)
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response = send_command('RESET_SENSORS')
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else:
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print("Failed to open serial port")
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if __name__ == "__main__":
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main()
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