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