30 lines
1.1 KiB
Python
30 lines
1.1 KiB
Python
from pyLoraRFM9x import LoRa, ModemConfig
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from SerialEmulator import SerialEmulator
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emulator = SerialEmulator('./ttydevice','./ttyclient')
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# This is our callback function that runs when a message is received
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def on_recv(payload):
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print("From:", payload.header_from)
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print("Received:", payload.message)
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print("RSSI: {}; SNR: {}".format(payload.rssi, payload.snr))
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emulator.write(payload.message)
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# Use chip select 1. GPIO pin 5 will be used for interrupts and set reset pin to 25
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# The address of this device will be set to 2
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lora = LoRa(1, 5, 2, reset_pin = 25, modem_config=ModemConfig.Bw125Cr45Sf128, tx_power=14, acks=True)
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lora.on_recv = on_recv
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# Send a message to a recipient device with address 10
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# Retry sending the message twice if we don't get an acknowledgment from the recipient
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message = "Hello there!"
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while True:
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message = emulator.read()
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if message != '':
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status = lora.send_to_wait(message, 10, retries=2)
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if status is True:
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print("Message sent!")
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else:
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print("No acknowledgment from recipient")
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emulator.stop() |