From ecf1342ec8f267a79aa331da3fa0bf96473ac007 Mon Sep 17 00:00:00 2001
From: Pkarc <pkarc@2stripes.org>
Date: Sat, 17 Dec 2011 01:33:54 -0500
Subject: [PATCH] Implements "much easier to use" as KarlP said in his blog,
and some functions to get only the relatively "important data bytes
---
examples/RX_only/RX_only.pde | 62 ++++++++++++++----------------------
1 file changed, 24 insertions(+), 38 deletions(-)
diff --git a/examples/RX_only/RX_only.pde b/examples/RX_only/RX_only.pde
index 07d598c..624dc2c 100644
--- a/examples/RX_only/RX_only.pde
+++ b/examples/RX_only/RX_only.pde
@@ -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);
@@ -26,46 +26,32 @@ void setup() {
// uncomment if you want to receive any packet on this channel
// mrf.set_promiscuous(true);
- attachInterrupt(0, interrupt_routine, CHANGE);
+ attachInterrupt(0, interrupt_routine, CHANGE); // interrupt 0 equivalent to pin 2 on ATMEGA8
+ interrupts();
}
-volatile uint8_t gotrx;
-
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;
- }
+ mrf.interrupt_handler();
}
void loop() {
- int tmp;
- interrupts();
- if (gotrx) {
- gotrx = 0;
- noInterrupts();
- mrf.rx_disable();
-
- // read start of rxfifo
- byte frame_length = mrf.read_long(0x300);
- 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();
- }
+ mrf.check_flags(&handle_rx, &handle_tx);
}
+
+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() {
+ // code to transmit, nothing to do
+}
\ No newline at end of file