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Implements "much easier to use" as KarlP said in his blog, and some functions to get only the relatively "important data bytes

This commit is contained in:
Pkarc 2011-12-17 01:33:24 -05:00
parent 45fe536979
commit b60c20a61d
1 changed files with 36 additions and 57 deletions
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93
examples/Basic_TwoWay/Basic_TwoWay.pde
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@ -10,8 +10,8 @@
#include <mrf24j.h>
const int pin_reset = 6;
const int pin_cs = 7;
const int pin_interrupt = 5;
const int pin_cs = 10; // default CS pin on ATMEGA8
const int pin_interrupt = 2; // default interrupt pin on ATMEGA8
Mrf24j mrf(pin_reset, pin_cs, pin_interrupt);
@ -20,75 +20,54 @@ 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 receive any packet on this channel
// mrf.set_promiscuous(true);
attachInterrupt(0, interrupt_routine, CHANGE);
//mrf.set_promiscuous(true);
attachInterrupt(0, interrupt_routine, CHANGE); // interrupt 0 equivalent to pin 2 on ATMEGA8
last_time = millis();
interrupts();
}
volatile uint8_t gotrx;
volatile uint8_t txok;
void interrupt_routine() {
// read and clear from the radio
byte last_interrupt = mrf.read_short(MRF_INTSTAT);
if (last_interrupt & MRF_I_RXIF) {
gotrx = 1;
}
if (last_interrupt & MRF_I_TXNIF) {
txok = 1;
}
mrf.interrupt_handler(); // mrf24 object interrupt routine
}
void loop() {
int tmp;
interrupts();
mrf.check_flags(&handle_rx, &handle_tx);
unsigned long current_time = millis();
if (current_time - last_time > tx_interval) {
last_time = current_time;
Serial.println("txxxing...");
mrf.send16(0x4202, 4, "abcd");
mrf.send16(0x4202, "abcd");
}
if (txok) {
txok = 0;
Serial.print("tx went ok:");
tmp = mrf.read_short(MRF_TXSTAT);
Serial.print(tmp);
if (!(tmp & ~(1<<TXNSTAT))) { // 1 = failed
Serial.print("...And we got an ACK");
} else {
Serial.print("retried ");
Serial.print(tmp >> 6, HEX);
}
Serial.println();
}
if (gotrx) {
gotrx = 0;
noInterrupts();
mrf.rx_disable();
byte frame_length = mrf.read_long(0x300); // read start of rxfifo
Serial.print("received a packet ");Serial.print(frame_length, DEC);Serial.println(" bytes long");
Serial.println("Packet data:");
for (int i = 1; i <= frame_length; i++) {
tmp = mrf.read_long(0x300 + i);
Serial.print(tmp, HEX);
}
Serial.print("\r\nLQI/RSSI=");
byte lqi = mrf.read_long(0x300 + frame_length + 1);
byte rssi = mrf.read_long(0x300 + frame_length + 2);
Serial.print(lqi, HEX);
Serial.println(rssi, HEX);
mrf.rx_enable();
interrupts();
}
}
void handle_rx() {
Serial.print("received a packet ");Serial.print(mrf.get_rxinfo()->frame_length, DEC);Serial.println(" bytes long");
Serial.println("Packet data:");
for (int i = 0; i < mrf.rx_datalength(); i++) {
Serial.write(mrf.get_rxinfo()->rx_data[i]);
}
Serial.print("\r\nLQI/RSSI=");
Serial.print(mrf.get_rxinfo()->lqi, DEC);
Serial.print("/");
Serial.println(mrf.get_rxinfo()->rssi, DEC);
}
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");
}
}