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arduino-cli/libraries/RF24/pyRF24/pyRF24Network/examples/helloworld_rx.py

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+#!/usr/bin/env python
+
+#
+# Simplest possible example of using RF24Network,
+#
+#  RECEIVER NODE
+#  Listens for messages from the transmitter and prints them out.
+#
+from __future__ import print_function
+import time
+from struct import *
+from RF24 import *
+from RF24Network import *
+
+# CE Pin, CSN Pin, SPI Speed
+
+# Setup for GPIO 22 CE and GPIO 25 CSN with SPI Speed @ 1Mhz
+# radio = radio(RPI_V2_GPIO_P1_22, RPI_V2_GPIO_P1_18, BCM2835_SPI_SPEED_1MHZ)
+
+# Setup for GPIO 22 CE and CE0 CSN with SPI Speed @ 4Mhz
+# radio = RF24(RPI_V2_GPIO_P1_15, BCM2835_SPI_CS0, BCM2835_SPI_SPEED_4MHZ)
+
+# Setup for GPIO 22 CE and CE1 CSN with SPI Speed @ 8Mhz
+# radio = RF24(RPI_V2_GPIO_P1_15, BCM2835_SPI_CS0, BCM2835_SPI_SPEED_8MHZ)
+
+# Setup for GPIO 22 CE and CE0 CSN for RPi B+ with SPI Speed @ 8Mhz
+# radio = RF24(RPI_BPLUS_GPIO_J8_22, RPI_BPLUS_GPIO_J8_24, BCM2835_SPI_SPEED_8MHZ)
+
+radio = RF24(RPI_V2_GPIO_P1_15, RPI_V2_GPIO_P1_24, BCM2835_SPI_SPEED_8MHZ)
+network = RF24Network(radio)
+
+millis = lambda: int(round(time.time() * 1000))
+octlit = lambda n: int(n, 8)
+
+# Address of our node in Octal format (01, 021, etc)
+this_node = octlit("00")
+
+# Address of the other node
+other_node = octlit("01")
+
+radio.begin()
+time.sleep(0.1)
+network.begin(90, this_node)  # channel 90
+radio.printDetails()
+packets_sent = 0
+last_sent = 0
+
+while 1:
+    network.update()
+    while network.available():
+        header, payload = network.read(8)
+        print("payload length ", len(payload))
+        ms, number = unpack('<LL', bytes(payload))
+        print('Received payload ', number, ' at ', ms, ' from ', oct(header.from_node))
+    time.sleep(1)

arduino-cli/libraries/RF24/pyRF24/pyRF24Network/examples/helloworld_tx.py

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+#!/usr/bin/env python
+
+#
+# Simplest possible example of using RF24Network,
+#
+#  TRANSMITTER NODE
+#  Sends messages from to receiver.
+#
+from __future__ import print_function
+import time
+from struct import *
+from RF24 import *
+from RF24Network import *
+
+# CE Pin, CSN Pin, SPI Speed
+
+# Setup for GPIO 22 CE and GPIO 25 CSN with SPI Speed @ 1Mhz
+# radio = radio(RPI_V2_GPIO_P1_22, RPI_V2_GPIO_P1_18, BCM2835_SPI_SPEED_1MHZ)
+
+# Setup for GPIO 22 CE and CE0 CSN with SPI Speed @ 4Mhz
+# radio = RF24(RPI_V2_GPIO_P1_15, BCM2835_SPI_CS0, BCM2835_SPI_SPEED_4MHZ)
+
+# Setup for GPIO 22 CE and CE1 CSN with SPI Speed @ 8Mhz
+# radio = RF24(RPI_V2_GPIO_P1_15, BCM2835_SPI_CS0, BCM2835_SPI_SPEED_8MHZ)
+
+# Setup for GPIO 22 CE and CE0 CSN for RPi B+ with SPI Speed @ 8Mhz
+# radio = RF24(RPI_BPLUS_GPIO_J8_22, RPI_BPLUS_GPIO_J8_24, BCM2835_SPI_SPEED_8MHZ)
+
+radio = RF24(RPI_V2_GPIO_P1_15, RPI_V2_GPIO_P1_24, BCM2835_SPI_SPEED_8MHZ)
+network = RF24Network(radio)
+
+millis = lambda: int(round(time.time() * 1000)) & 0xffffffff
+octlit = lambda n: int(n, 8)
+
+# Address of our node in Octal format (01,021, etc)
+this_node = octlit("01")
+
+# Address of the other node
+other_node = octlit("00")
+
+# ms -  How long to wait before sending the next message
+interval = 2000
+
+radio.begin()
+time.sleep(0.1);
+network.begin(90, this_node)  # channel 90
+radio.printDetails()
+packets_sent = 0
+last_sent = 0
+
+while 1:
+    network.update()
+    now = millis()
+    # If it's time to send a message, send it!
+    if (now - last_sent >= interval):
+        last_sent = now
+        print('Sending ..')
+        payload = pack('<LL', millis(), packets_sent)
+        packets_sent += 1
+        ok = network.write(RF24NetworkHeader(other_node), payload)
+        if ok:
+            print('ok.')
+        else:
+            print('failed.')