Cansat
/
RFM69_LowPowerLab
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Update Send/Receive examples

This commit is contained in:
Felix Rusu 2013-11-05 22:02:01 -05:00
parent fd7d0cc4e5
commit 8a4de491b8
2 changed files with 58 additions and 44 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
Examples/Gateway/Gateway.ino
View File

@ -1,14 +1,24 @@
// Sample RFM69 receiver/gateway sketch, with ACK and optional encryption
// Passes through any wireless received messages to the serial port & responds to ACKs
// It also looks for an onboard FLASH chip, if present
// Library and code by Felix Rusu - felix@lowpowerlab.com
// Get the RFM69 and SPIFlash library at: https://github.com/LowPowerLab/
#include <RFM69.h>
#include <SPI.h>
#include <SPIFlash.h>
#define NODEID 1
#define NETWORKID 100
#define FREQUENCY RF69_915MHZ //Match this with the version of your Moteino! (others: RF69_433MHZ, RF69_868MHZ)
#define KEY "thisIsEncryptKey" //has to be same 16 characters/bytes on all nodes, not more not less!
#define LED 9
#define SERIAL_BAUD 115200
#define ACK_TIME 30 // # of ms to wait for an ack
#define NODEID 1 //unique for each node on same network
#define NETWORKID 100 //the same on all nodes that talk to each other
//Match frequency to the hardware version of the radio on your Moteino (uncomment one):
#define FREQUENCY RF69_433MHZ
//#define FREQUENCY RF69_868MHZ
//#define FREQUENCY RF69_915MHZ
#define ENCRYPTKEY "sampleEncryptKey" //exactly the same 16 characters/bytes on all nodes!
//#define IS_RFM69HW //uncomment only for RFM69HW! Leave out if you have RFM69W!
#define ACK_TIME 30 // max # of ms to wait for an ack
#define LED 9 // Moteinos have LEDs on D9
#define SERIAL_BAUD 115200
RFM69 radio;
SPIFlash flash(8, 0xEF30); //EF40 for 16mbit windbond chip
@ -18,8 +28,10 @@ void setup() {
Serial.begin(SERIAL_BAUD);
delay(10);
radio.initialize(FREQUENCY,NODEID,NETWORKID);
//radio.setHighPower(); //must uncomment for RFM69HW!
radio.encrypt(KEY);
#ifdef IS_RFM69HW
radio.setHighPower(); //uncomment only for RFM69HW!
#endif
radio.encrypt(ENCRYPTKEY);
radio.promiscuous(promiscuousMode);
char buff[50];
sprintf(buff, "\nListening at %d Mhz...", FREQUENCY==RF69_433MHZ ? 433 : FREQUENCY==RF69_868MHZ ? 868 : 915);
@ -39,7 +51,7 @@ void loop() {
if (input == 'r') //d=dump all register values
radio.readAllRegs();
if (input == 'E') //E=enable encryption
radio.encrypt(KEY);
radio.encrypt(ENCRYPTKEY);
if (input == 'e') //e=disable encryption
radio.encrypt(null);
if (input == 'p')
@ -74,7 +86,7 @@ void loop() {
word jedecid = flash.readDeviceId();
Serial.println(jedecid, HEX);
}
if (input == 't')
if (input == 't')
{
byte temperature = radio.readTemperature(-1); // -1 = user cal factor, adjust for correct ambient
byte fTemp = 1.8 * temperature + 32; // 9/5=1.8

64
Examples/Node/Node.ino
View File

@ -1,18 +1,29 @@
// Sample RFM69 sender/node sketch, with ACK and optional encryption
// Sends periodic messages of increasing length to gateway (id=1)
// It also looks for an onboard FLASH chip, if present
// Library and code by Felix Rusu - felix@lowpowerlab.com
// Get the RFM69 and SPIFlash library at: https://github.com/LowPowerLab/
#include <RFM69.h>
#include <SPI.h>
#include <SPIFlash.h>
#define NODEID 99
#define NETWORKID 100
#define GATEWAYID 1
#define FREQUENCY RF69_915MHZ //Match this with the version of your Moteino! (others: RF69_433MHZ, RF69_868MHZ)
#define KEY "thisIsEncryptKey" //has to be same 16 characters/bytes on all nodes, not more not less!
#define LED 9
#define SERIAL_BAUD 115200
#define ACK_TIME 30 // # of ms to wait for an ack
#define NODEID 2 //unique for each node on same network
#define NETWORKID 100 //the same on all nodes that talk to each other
#define GATEWAYID 1
//Match frequency to the hardware version of the radio on your Moteino (uncomment one):
#define FREQUENCY RF69_433MHZ
//#define FREQUENCY RF69_868MHZ
//#define FREQUENCY RF69_915MHZ
#define ENCRYPTKEY "sampleEncryptKey" //exactly the same 16 characters/bytes on all nodes!
//#define IS_RFM69HW //uncomment only for RFM69HW! Leave out if you have RFM69W!
#define ACK_TIME 30 // max # of ms to wait for an ack
#define LED 9 // Moteinos have LEDs on D9
#define SERIAL_BAUD 115200
int TRANSMITPERIOD = 300; //transmit a packet to gateway so often (in ms)
char payload[] = "123 ABCDEFGHIJKLMNOPQRSTUVWXYZ";
char buff[20];
byte sendSize=0;
boolean requestACK = false;
SPIFlash flash(8, 0xEF30); //EF40 for 16mbit windbond chip
@ -21,11 +32,14 @@ RFM69 radio;
void setup() {
Serial.begin(SERIAL_BAUD);
radio.initialize(FREQUENCY,NODEID,NETWORKID);
//radio.setHighPower(); //must uncomment for RFM69HW!
radio.encrypt(KEY);
#ifdef IS_RFM69HW
radio.setHighPower(); //uncomment only for RFM69HW!
#endif
radio.encrypt(ENCRYPTKEY);
char buff[50];
sprintf(buff, "\nTransmitting at %d Mhz...", FREQUENCY==RF69_433MHZ ? 433 : FREQUENCY==RF69_868MHZ ? 868 : 915);
Serial.println(buff);
if (flash.initialize())
Serial.println("SPI Flash Init OK!");
else
@ -99,6 +113,15 @@ void loop() {
Serial.println();
}
//send FLASH id
if(sendSize==0)
{
sprintf(buff, "FLASH_MEM_ID:0x%X", flash.readDeviceId());
byte buffLen=strlen(buff);
radio.sendWithRetry(GATEWAYID, buff, buffLen);
delay(TRANSMITPERIOD);
}
int currPeriod = millis()/TRANSMITPERIOD;
if (currPeriod != lastPeriod)
{
@ -113,17 +136,6 @@ void loop() {
Serial.print(" ok!");
else Serial.print(" nothing...");
// //manual ACK handling
// requestACK = ((sendSize % 3) == 0); //request ACK every 3rd xmission
// radio.send(GATEWAYID, payload, sendSize, requestACK);
// if (requestACK)
// {
// Serial.print(" - waiting for ACK...");
// if (waitForAck(GATEWAYID)) Serial.print("ok!");
// else Serial.print("nothing...");
// }
sendSize = (sendSize + 1) % 31;
Serial.println();
Blink(LED,3);
@ -137,13 +149,3 @@ void Blink(byte PIN, int DELAY_MS)
delay(DELAY_MS);
digitalWrite(PIN,LOW);
}
//// wait a few milliseconds for proper ACK to me, return true if indeed received
//static bool waitForAck(byte theNodeID) {
// long now = millis();
// while (millis() - now <= ACK_TIME) {
// if (radio.ACKReceived(theNodeID))
// return true;
// }
// return false;
//}