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nRF24L01-server.txt
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nRF24L01-server.txt
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// nrf24_server
#include <SPI.h>
#include <RH_NRF24.h>
// Singleton instance of the radio driver
RH_NRF24 nrf24;
// RH_NRF24 nrf24(8, 7); // use this to be electrically compatible with Mirf
// RH_NRF24 nrf24(8, 10);// For Leonardo, need explicit SS pin
// RH_NRF24 nrf24(8, 7); // For RFM73 on Anarduino Mini
void setup()
{
Serial.begin(9600);
while (!Serial)
; // wait for serial port to connect. Needed for Leonardo only
if (!nrf24.init())
Serial.println("init failed");
// Defaults after init are 2.402 GHz (channel 2), 2Mbps, 0dBm
if (!nrf24.setChannel(1))
Serial.println("setChannel failed");
if (!nrf24.setRF(RH_NRF24::DataRate2Mbps, RH_NRF24::TransmitPower0dBm))
Serial.println("setRF failed");
}
void loop()
{
if (nrf24.available())
{
// Should be a message for us now
uint8_t buf[RH_NRF24_MAX_MESSAGE_LEN];
uint8_t len = sizeof(buf);
if (nrf24.recv(buf, &len))
{
// NRF24::printBuffer("request: ", buf, len);
Serial.print("got request: ");
Serial.println((char*)buf);
// Send a reply
uint8_t data[] = "And hello back to you";
nrf24.send(data, sizeof(data));
nrf24.waitPacketSent();
Serial.println("Sent a reply");
}
else
{
Serial.println("recv failed");
}
}
}