45 lines
1.3 KiB
Python
45 lines
1.3 KiB
Python
import serial, subprocess, time
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import busio
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from digitalio import DigitalInOut, Direction, Pull
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import board
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#import adafruit_rfm69
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import adafruit_rfm9x
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CS = DigitalInOut(board.CE1)
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RESET = DigitalInOut(board.D25)
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spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
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#rfm = adafruit_rfm69.RFM69(spi, CS, RESET, 868.0)
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rfm = adafruit_rfm9x.RFM9x(spi, CS, RESET, 868.0, baudrate=20000000)
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addr = '/tmp/rfmtty'
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addr_client = '/tmp/rfmtty_client'
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baudrate = 115200
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cmd=['/usr/bin/socat','-d','-d','PTY,link=%s,rawer,baud=%d' %(addr, baudrate), 'PTY,link=%s,rawer,baud=%d' %(addr_client, baudrate)]
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socat_proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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time.sleep(1)
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ser = serial.Serial(addr, baudrate=baudrate)
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packet_len = 120
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while True:
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packet = None
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packet = rfm.receive()
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ser_data = bytearray()
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while ser.inWaiting() > 0 and len(ser_data) <= packet_len:
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recieved_byte = ser.read(1)
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ser_data += recieved_byte
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if ser_data == b'':
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pass
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else:
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print(f'Received serial data: {ser_data}')
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rfm.send(ser_data)
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if packet is None:
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pass
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else:
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print(f'Received lora data: {packet}')
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print(f'RSSI: {rfm.last_rssi} SNR: {rfm.last_snr}')
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ser.write(packet)
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socat_proc.kill() |