def probe_sx1262():
sys.path.append('/lib/micropySX126X')
from sx1262 import SX1262
sx = SX1262(cs=SOC_GPIO_PIN_SS, irq=SOC_GPIO_PIN_DIO1, rst=SOC_GPIO_PIN_RST,\
gpio=SOC_GPIO_PIN_BUSY,clk=board.SCK, mosi=board.MOSI, miso=board.MISO)
sx.reset()
data = bytearray(1)
data_mv = memoryview(data)
SX126X_REG_LORA_SYNC_WORD_LSB = const(0x0741)
SX126X_DEF_LORASYNCWORDLSB = const(0x24)
state = sx.readRegister(SX126X_REG_LORA_SYNC_WORD_LSB, data_mv, 1)
sx.sleep()
return True if state == 0 and data[
0] == SX126X_DEF_LORASYNCWORDLSB else False
from sx1262 import SX1262
import time
sx = SX1262(cs='P5', irq='P6', rst='P7', gpio='P8')
# LoRa
sx.begin(freq=923,
bw=500.0,
sf=12,
cr=8,
syncWord=0x12,
power=-5,
currentLimit=60.0,
preambleLength=8,
implicit=False,
implicitLen=0xFF,
crcOn=True,
txIq=False,
rxIq=False,
tcxoVoltage=1.7,
useRegulatorLDO=False,
blocking=True)
# FSK
##sx.beginFSK(freq=923, br=48.0, freqDev=50.0, rxBw=156.2, power=-5, currentLimit=60.0,
## preambleLength=16, dataShaping=0.5, syncWord=[0x2D, 0x01], syncBitsLength=16,
## addrFilter=SX126X_GFSK_ADDRESS_FILT_OFF, addr=0x00, crcLength=2, crcInitial=0x1D0F, crcPolynomial=0x1021,
## crcInverted=True, whiteningOn=True, whiteningInitial=0x0100,
## fixedPacketLength=False, packetLength=0xFF, preambleDetectorLength=SX126X_GFSK_PREAMBLE_DETECT_16,
## tcxoVoltage=1.6, useRegulatorLDO=False,
## blocking=True)
boardID = machine.unique_id()
from sx1262 import SX1262
import time
import utime
################################################################################
print("This is the ", boardName, "board.")
print("Unique board ID: ")
for i in boardID:
print(hex(i), " ", end='')
print(" ")
print("Initializing SX1262 radio module")
sx = SX1262(cs=CS, irq=DIO1, rst=RESET, gpio=BUSY)
# LoRa
# freq = 867.1, 867.3, 867.5, 867.7, 867.9, 868.1, (868.3), 868.5
# bw = 125.0, 250.0
# sf = 5 - 12
# cr = 5 - 8
# power = -9 - (-5) - +22
# preambleLength = 8
sx.begin(freq=868.3,
bw=250.0,
sf=7,
cr=8,
syncWord=0x12,
power=5,
currentLimit=60.0,