Update network examples

Author: chandrawi

examples/network/LoRa_simple_gateway.py

@@ -1,17 +1,19 @@
 import os, sys
 currentdir = os.path.dirname(os.path.realpath(__file__))
-parentdir = os.path.dirname(currentdir)
-sys.path.append(parentdir)
-from LoRaRF import SX126x
+sys.path.append(os.path.dirname(os.path.dirname(currentdir)))
+from LoRaRF import SX126x, LoRaSpi, LoRaGpio
 import time
 import struct
 
-# Begin LoRa radio and set NSS, reset, busy, IRQ, txen, and rxen pin with connected Raspberry Pi gpio pins
-busId = 1; csId = 0
-resetPin = 22; busyPin = 23; irqPin = -1; txenPin = 5; rxenPin = 25; wakePin = 18
-LoRa = SX126x()
+# Begin LoRa radio with connected SPI bus and IO pins (cs and reset) on GPIO
+# SPI is defined by bus ID and cs ID and IO pins defined by chip and offset number
+spi = LoRaSpi(0, 0)
+cs = LoRaGpio(0, 8)
+reset = LoRaGpio(0, 24)
+busy = LoRaGpio(0, 23)
+LoRa = SX126x(spi, cs, reset, busy)
 print("Begin LoRa radio")
-if not LoRa.begin(busId, csId, resetPin, busyPin, irqPin, txenPin, rxenPin, wakePin) :
+if not LoRa.begin() :
     raise Exception("Something wrong, can't begin LoRa radio")
 
 # Configure LoRa to use TCXO with DIO3 as control

examples/network/LoRa_simple_node.py

@@ -1,18 +1,20 @@
 import os, sys
 currentdir = os.path.dirname(os.path.realpath(__file__))
-parentdir = os.path.dirname(currentdir)
-sys.path.append(parentdir)
-from LoRaRF import SX126x
+sys.path.append(os.path.dirname(os.path.dirname(currentdir)))
+from LoRaRF import SX126x, LoRaSpi, LoRaGpio
 import time
 import struct
 import random
 
-# Begin LoRa radio and set NSS, reset, busy, IRQ, txen, and rxen pin with connected Raspberry Pi gpio pins
-busId = 1; csId = 1
-resetPin = 27; busyPin = 24; irqPin = -1; txenPin = 5; rxenPin = 25; wakePin = 17
-LoRa = SX126x()
+# Begin LoRa radio with connected SPI bus and IO pins (cs and reset) on GPIO
+# SPI is defined by bus ID and cs ID and IO pins defined by chip and offset number
+spi = LoRaSpi(0, 0)
+cs = LoRaGpio(0, 8)
+reset = LoRaGpio(0, 24)
+busy = LoRaGpio(0, 23)
+LoRa = SX126x(spi, cs, reset, busy)
 print("Begin LoRa radio")
-if not LoRa.begin(busId, csId, resetPin, busyPin, irqPin, txenPin, rxenPin, wakePin) :
+if not LoRa.begin() :
     raise Exception("Something wrong, can't begin LoRa radio")
 
 # Configure LoRa to use TCXO with DIO3 as control