使用多个NRF24L01模块搭建一个Arduino无线网络实例代码
#参考
使用多个NRF24L01模块搭建一个Arduino无线网络
使用NRF24L01进行无线通信
node 00
/*
Arduino Wireless Network - Multiple NRF24L01 Tutorial
== Base/ Master Node 00==
by Dejan, www.HowToMechatronics.com
Libraries:
nRF24/RF24, https://github.com/nRF24/RF24
nRF24/RF24Network, https://github.com/nRF24/RF24Network
*/
#include node 01
/*
Arduino Wireless Network - Multiple NRF24L01 Tutorial
== Node 012 (child of Node 02)==
*/
#include
#include
#include
#include
#define led 3
#define LED_PIN 6
// How many NeoPixels are attached to the Arduino?
#define LED_COUNT 60
// NeoPixel brightness, 0 (min) to 255 (max)
#define BRIGHTNESS 50
Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_GRBW + NEO_KHZ800);
// Argument 1 = Number of pixels in NeoPixel strip
// Argument 2 = Arduino pin number (most are valid)
// Argument 3 = Pixel type flags, add together as needed:
// NEO_KHZ800 800 KHz bitstream (most NeoPixel products w/WS2812 LEDs)
// NEO_KHZ400 400 KHz (classic 'v1' (not v2) FLORA pixels, WS2811 drivers)
// NEO_GRB Pixels are wired for GRB bitstream (most NeoPixel products)
// NEO_RGB Pixels are wired for RGB bitstream (v1 FLORA pixels, not v2)
// NEO_RGBW Pixels are wired for RGBW bitstream (NeoPixel RGBW products)
RF24 radio(7, 8); // nRF24L01 (CE,CSN)
RF24Network network(radio); // Include the radio in the network
const uint16_t this_node = 01; // Address of our node in Octal format ( 04,031, etc)
const uint16_t node02 = 011; // Address of the other node in Octal format
void setup() {
// Serial.begin(9600);
strip.begin(); // INITIALIZE NeoPixel strip object (REQUIRED)
strip.show(); // Turn OFF all pixels ASAP
strip.setBrightness(50); // Set BRIGHTNESS to about 1/5 (max = 255)
SPI.begin();
radio.begin();
network.begin(90, this_node); //(channel, node address)
radio.setDataRate(RF24_2MBPS);
pinMode(led, OUTPUT);
}
void loop() {
network.update();
//===== Receiving =====//
while ( network.available() ) { // Is there any incoming data?
RF24NetworkHeader header;
unsigned long buttonState;
network.read(header, &buttonState, sizeof(buttonState)); // Read the incoming data
digitalWrite(led, !buttonState); // Turn on or off the LED
rainbowFade2White(3, 3, 1);
unsigned long sv = 1;
RF24NetworkHeader header2(node02);
bool ok = network.write(header2, &sv, sizeof(sv)); // Send the data
}
//Serial.println(2);
}
void rainbowFade2White(int wait, int rainbowLoops, int whiteLoops) {
int fadeVal = 0, fadeMax = 100;
// Hue of first pixel runs 'rainbowLoops' complete loops through the color
// wheel. Color wheel has a range of 65536 but it's OK if we roll over, so
// just count from 0 to rainbowLoops*65536, using steps of 256 so we
// advance around the wheel at a decent clip.
for (uint32_t firstPixelHue = 0; firstPixelHue < rainbowLoops * 65536;
firstPixelHue += 256) {
for (int i = 0; i < strip.numPixels(); i++) { // For each pixel in strip...
// Offset pixel hue by an amount to make one full revolution of the
// color wheel (range of 65536) along the length of the strip
// (strip.numPixels() steps):
uint32_t pixelHue = firstPixelHue + (i * 65536L / strip.numPixels());
// strip.ColorHSV() can take 1 or 3 arguments: a hue (0 to 65535) or
// optionally add saturation and value (brightness) (each 0 to 255).
// Here we're using just the three-argument variant, though the
// second value (saturation) is a constant 255.
strip.setPixelColor(i, strip.gamma32(strip.ColorHSV(pixelHue, 255,
255 * fadeVal / fadeMax)));
}
strip.show();
delay(wait);
if (firstPixelHue < 65536) { // First loop,
if (fadeVal < fadeMax) fadeVal++; // fade in
} else if (firstPixelHue >= ((rainbowLoops - 1) * 65536)) { // Last loop,
if (fadeVal > 0) fadeVal--; // fade out
} else {
fadeVal = fadeMax; // Interim loop, make sure fade is at max
}
}
for (int k = 0; k < whiteLoops; k++) {
for (int j = 0; j < 256; j++) { // Ramp up 0 to 255
// Fill entire strip with white at gamma-corrected brightness level 'j':
strip.fill(strip.Color(0, 0, 0, strip.gamma8(j)));
strip.show();
}
delay(1000); // Pause 1 second
for (int j = 255; j >= 0; j--) { // Ramp down 255 to 0
strip.fill(strip.Color(0, 0, 0, strip.gamma8(j)));
strip.show();
}
}
delay(500); // Pause 1/2 second
}
node 02
/*
Arduino Wireless Network - Multiple NRF24L01 Tutorial
== Node 012 (child of Node 02)==
*/
#include