57 lines
1.4 KiB
Plaintext
57 lines
1.4 KiB
Plaintext
/**
|
|
* Example code for using a microchip mrf24j40 module to send simple packets
|
|
*
|
|
* Requirements: 3 pins for spi, 3 pins for reset, chip select and interrupt
|
|
* notifications
|
|
* This example file is considered to be in the public domain
|
|
* Originally written by Karl Palsson, karlp@tweak.net.au, March 2011
|
|
*/
|
|
#include <SPI.h>
|
|
#include <mrf24j.h>
|
|
|
|
const int pin_reset = 6;
|
|
const int pin_cs = 10; // default CS pin on ATmega8/168/328
|
|
const int pin_interrupt = 2; // default interrupt pin on ATmega8/168/328
|
|
|
|
Mrf24j mrf(pin_reset, pin_cs, pin_interrupt);
|
|
|
|
long last_time;
|
|
long tx_interval = 1000;
|
|
|
|
void setup() {
|
|
Serial.begin(9600);
|
|
|
|
mrf.reset();
|
|
mrf.init();
|
|
|
|
mrf.set_pan(0xcafe);
|
|
// This is _our_ address
|
|
mrf.address16_write(0x6001);
|
|
|
|
// uncomment if you want to enable PA/LNA external control
|
|
//mrf.set_palna(true);
|
|
|
|
attachInterrupt(0, interrupt_routine, CHANGE); // interrupt 0 equivalent to pin 2(INT0) on ATmega8/168/328
|
|
last_time = millis();
|
|
interrupts();
|
|
}
|
|
|
|
void interrupt_routine() {
|
|
mrf.interrupt_handler(); // mrf24 object interrupt routine
|
|
}
|
|
|
|
void loop() {
|
|
mrf.check_flags(&handle_rx, &handle_tx);
|
|
}
|
|
|
|
void handle_rx() {
|
|
// data to receive, nothing to do
|
|
}
|
|
|
|
void handle_tx() {
|
|
if (mrf.get_txinfo()->tx_ok) {
|
|
Serial.println("TX went ok, got ack");
|
|
} else {
|
|
Serial.print("TX failed after ");Serial.print(mrf.get_txinfo()->retries);Serial.println(" retries\n");
|
|
}
|
|
} |