58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
// rf24_server.pde
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// -*- mode: C++ -*-
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// Example sketch showing how to create a simple messageing server
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// with the RH_RF24 class. RH_RF24 class does not provide for addressing or
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// reliability, so you should only use RH_RF24 if you do not need the higher
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// level messaging abilities.
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// It is designed to work with the other example rf24_client
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// Tested on Anarduino Mini http://www.anarduino.com/mini/ with RFM24W and RFM26W
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#include <SPI.h>
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#include <RH_RF24.h>
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// Singleton instance of the radio driver
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RH_RF24 rf24;
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void setup()
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{
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Serial.begin(9600);
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if (!rf24.init())
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Serial.println("init failed");
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// The default radio config is for 30MHz Xtal, 434MHz base freq 2GFSK 5kbps 10kHz deviation
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// power setting 0x10
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// If you want a different frequency mand or modulation scheme, you must generate a new
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// radio config file as per the RH_RF24 module documentation and recompile
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// You can change a few other things programatically:
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//rf24.setFrequency(435.0); // Only within the same frequency band
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//rf24.setTxPower(0x7f);
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}
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void loop()
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{
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if (rf24.available())
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{
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// Should be a message for us now
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uint8_t buf[RH_RF24_MAX_MESSAGE_LEN];
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uint8_t len = sizeof(buf);
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if (rf24.recv(buf, &len))
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{
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// RF24::printBuffer("request: ", buf, len);
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Serial.print("got request: ");
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Serial.println((char*)buf);
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// Serial.print("RSSI: ");
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// Serial.println((uint8_t)rf24.lastRssi(), DEC);
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// Send a reply
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uint8_t data[] = "And hello back to you";
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rf24.send(data, sizeof(data));
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rf24.waitPacketSent();
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Serial.println("Sent a reply");
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}
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else
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{
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Serial.println("recv failed");
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}
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}
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}
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