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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 01:33:54 -05:00
parent b60c20a61d
commit ecf1342ec8
1 changed files with 24 additions and 38 deletions
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48
examples/RX_only/RX_only.pde
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@ -10,8 +10,8 @@
#include <mrf24j.h> #include <mrf24j.h>
const int pin_reset = 6; const int pin_reset = 6;
const int pin_cs = 7; const int pin_cs = 10; // default CS pin on ATMEGA8
const int pin_interrupt = 5; const int pin_interrupt = 2; // default interrupt pin on ATMEGA8
Mrf24j mrf(pin_reset, pin_cs, pin_interrupt); 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 // uncomment if you want to receive any packet on this channel
// mrf.set_promiscuous(true); // 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() { void interrupt_routine() {
// read and clear from the radio mrf.interrupt_handler();
byte last_interrupt = mrf.read_short(MRF_INTSTAT);
if (last_interrupt & MRF_I_RXIF) {
gotrx = 1;
}
} }
void loop() { void loop() {
int tmp; mrf.check_flags(&handle_rx, &handle_tx);
interrupts(); }
if (gotrx) {
gotrx = 0;
noInterrupts();
mrf.rx_disable();
// read start of rxfifo void handle_rx() {
byte frame_length = mrf.read_long(0x300); Serial.print("received a packet ");Serial.print(mrf.get_rxinfo()->frame_length, DEC);Serial.println(" bytes long");
Serial.print("received a packet ");
Serial.print(frame_length, DEC);
Serial.println(" bytes long");
Serial.println("Packet data:"); Serial.println("Packet data:");
for (int i = 1; i <= frame_length; i++) { for (int i = 0; i < mrf.rx_datalength(); i++) {
tmp = mrf.read_long(0x300 + i); Serial.write(mrf.get_rxinfo()->rx_data[i]);
Serial.print(tmp, HEX);
} }
Serial.print("\r\nLQI/RSSI="); Serial.print("\r\nLQI/RSSI=");
byte lqi = mrf.read_long(0x300 + frame_length + 1); Serial.print(mrf.get_rxinfo()->lqi, DEC);
byte rssi = mrf.read_long(0x300 + frame_length + 2); Serial.print("/");
Serial.print(lqi, HEX); Serial.println(mrf.get_rxinfo()->rssi, DEC);
Serial.println(rssi, HEX); }
mrf.rx_enable(); void handle_tx() {
interrupts(); // code to transmit, nothing to do
}
} }