sx126x 2.2.1

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sx126x

A Python library for interfacing with SX126X LoRa modules. This library provides a simple API for configuring and using SX126X devices for wireless communication.

Hardware Requirements

This library is designed to work with SX126X LoRa modules connected to a Raspberry Pi. The default configuration assumes the module is connected to GPIO pins 5 and 6 for mode control, but this can be customized.

Installation

Using pip:

pip install sx126x

Using uv:

uv pip install sx126x

For more information about uv, see https://docs.astral.sh/uv/

Default Configuration

Parameter	Default Value	Description
address	Address.parse("242.242")	Device address
net_id	1	Network ID
channel	1	Channel
port	None	Serial port path
pin_m0	6	GPIO 6 — Mode select pin M0
pin_m1	5	GPIO 5 — Mode select pin M1
baud_rate	BaudRate.B9600	UART baud rate
byte_size	8	Number of data bits
parity	Parity.NONE	Parity bit setting
stop_bits	1	Number of stop bits
write_persist	False	Write registers persistently
mode	Mode.CONFIGURATION	Set M0 and M1 according to mode
timeout	2	Read/write timeout in seconds
debug	False	Enable debug logging
air_speed	AirSpeed.K2_4	Air data rate
packet_size	PacketSize.SIZE_128	Packet size
ambient_noise	AmbientNoise.DISABLED	Ambient noise detection mode
transmit_power	TransmitPower.DBM_22	RF transmit power
rssi	RSSI.DISABLED	Add RSSI to RX data
transfer_method	TransferMethod.FIXED	Transmission addressing mode
relay	Relay.DISABLED	Enable or disable relay functionality
lbt	LBT.DISABLED	Listen Before Talk mode
wor_control	WORControl.TRANSMIT	WOR (Wake On Radio) mode control
wor_period	WORPeriod.MS_500	WOR cycle period
crypt_key	CryptKey(0, 0)	16-bit encryption key
overwrite_defaults	True	Whether to override internal default parameters

Usage Examples

The following examples demonstrate how to use the SX126X library for basic sending and receiving operations.

Sender

from sx126x import SX126X, Address

lora = SX126X(Address(3, 4))
lora.tx(Address(6, 9), b"Hello from device 3.4")

Receiver

from sx126x import SX126X, Address

lora = SX126X(Address(6, 9))
address, data = lora.rx()
# or
def lora_cb(address: Address, data: bytes) -> bool:
  if address.__str__() == "3.4" and data == b"Hello from device 3.4":
    print(f"Received message: {data.decode()}")
    return False  # stop receiving
  return True  # continue receiving
lora.rx_loop(lora_cb)