RadioLib/examples/RF69_Transmit_AES/RF69_Transmit_AES.ino

76 wiersze
2.0 KiB
C++

/*
KiteLib RF69 Transmit with AES Example
This example transmits packets using RF69 FSK radio module.
Packets are encrypted using hardware AES.
NOTE: When using address filtering, the address byte is NOT encrypted!
*/
// include the library
#include <KiteLib.h>
// RF69 module is in slot A on the shield
RF69 rf = Kite.ModuleA;
void setup() {
Serial.begin(9600);
// initialize RF69 with default settings
Serial.print(F("[RF69] Initializing ... "));
// carrier frequency: 434.0 MHz
// bit rate: 48.0 kbps
// Rx bandwidth: 125.0 kHz
// frequency deviation: 50.0 kHz
// output power: 13 dBm
// sync word: 0x2D 0x01
int state = rf.begin();
if (state == ERR_NONE) {
Serial.println(F("success!"));
} else {
Serial.print(F("failed, code "));
Serial.println(state);
while (true);
}
// set AES key to encrypt the packet
// NOTE: the key must be exactly 16 bytes long!
uint8_t key[] = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F
};
rf.setAESKey(key);
// enable AES encryption
rf.enableAES();
// AES encryption can also be disabled
/*
rf.disableAES();
*/
}
void loop() {
Serial.print(F("[RF69] Transmitting packet ... "));
// you can transmit C-string or Arduino string up to 64 characters long
int state = rf.transmit("Hello World!");
// you can also transmit byte array up to 64 bytes long
/*
byte byteArr[] = {0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF};
int state = rf.transmit(byteArr, 8);
*/
if (state == ERR_NONE) {
// the packet was successfully transmitted
Serial.println(" success!");
} else if (state == ERR_PACKET_TOO_LONG) {
// the supplied packet was longer than 256 bytes
Serial.println(" too long!");
}
// wait for a second before transmitting again
delay(1000);
}