from machine import Pin, SPI
from Lib.sx127x import SX127x

# Board specific Lora configuration
lora_default = {
    'frequency': 433e6,
    'frequency_offset':0,
    'tx_power_level': 14,
    'signal_bandwidth': 125e3,
    'spreading_factor': 9,
    'coding_rate': 5,
    'preamble_length': 8,
    'implicitHeader': False,
    'sync_word': 0x12,
    'enable_CRC': True,
    'invert_IQ': False,
    'debug': False,
}

lora_pins = {
    'dio_0':26,
    'ss':18,
    'reset':16,
    'sck':5,
    'miso':19,
    'mosi':27,
}

lora_spi = SPI(
    baudrate=10000000, polarity=0, phase=0,
    bits=8, firstbit=SPI.MSB,
    sck=Pin(lora_pins['sck'], Pin.OUT, Pin.PULL_DOWN),
    mosi=Pin(lora_pins['mosi'], Pin.OUT, Pin.PULL_UP),
    miso=Pin(lora_pins['miso'], Pin.IN, Pin.PULL_UP),
)

lora = SX127x(lora_spi, pins=lora_pins, parameters=lora_default)
print("LoRa Started");

lora.println("Sending first lora message")