make the 'protocol.h' definition shared with symlinks
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@ -0,0 +1,52 @@
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#ifndef _PROTOCOL_H_
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#define _PROTOCOL_H_
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#define DISCOVER_TTL 10000
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#define DISCOVER_SIZE sizeof(int)*2
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// discover request (c.f. class node)
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struct discover {
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uint8_t opcode; // opcode = 0
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uint8_t wave; // id de la wave
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uint8_t dist; // current node's distance
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};
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struct data {
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uint8_t opcode; // opcode = 1
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uint8_t dist; // distance of the last sender
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uint8_t ttl; // time to live default = 10
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uint8_t size; // size of message in bytes
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uint8_t message[]; // actual message
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};
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// A <node> object is held by each node which values are determined thanks
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// to the DISCOVER requests it receives; each node broadcasts a DISCOVER
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// request every DISCOVER_TTL milliseconds
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class node{
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private:
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// unique id of the node : MAC ADDR
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int id;
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// last received wave id
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uint8_t last_wave;
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// relative node-distance to the well
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// WELL : dist = 0
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// NODE1 can reach WELL : dist = 1
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// NODE2 can reach NODE1 : dist = 2
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// and so on...
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uint8_t dist;
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public:
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// send a discover request
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bool discover();
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// update the current node according to a (received)
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// discover request
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bool update(struct discover req);
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};
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#endif
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@ -3,8 +3,6 @@
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#include "protocol.h"
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#include <LiquidCrystal_I2C.h>
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// CONSTANTS
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#define WAVE_TIMEOUT 5000 // send wave every (in ms)
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// Peripherals
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LiquidCrystal_I2C screen(0x27, 16, 2);
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@ -12,7 +10,7 @@ XBee xbee = XBee();
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// ACTUAL DATA
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uint8_t wave_id = 250;
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struct discover req = {0,0,0};
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struct discover dsc = {0,0,0};
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void setup() {
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Serial.begin(38400);
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@ -32,13 +30,13 @@ void loop() {
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delay(WAVE_TIMEOUT);
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// increment wave id (will overflow from 255 to 0)
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req.wave = ++wave_id; // set wave id
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dsc.wave = ++wave_id; // set wave id
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screen.clear();
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screen.print("+ wave");
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screen.print(req.wave);
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screen.print(dsc.wave);
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uint8_t payload[3] = {req.opcode, req.wave, req.dist};
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uint8_t payload[3] = {dsc.opcode, dsc.wave, dsc.dist};
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XBeeAddress64 addr64 = XBeeAddress64(0x00000000, 0x0000FFFF);
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Tx64Request tx = Tx64Request(addr64, payload, sizeof(payload));
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@ -1,52 +0,0 @@
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#ifndef _PROTOCOL_H_
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#define _PROTOCOL_H_
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#define DISCOVER_TTL 10000
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#define DISCOVER_SIZE sizeof(int)*2
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// discover request (c.f. class node)
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struct discover {
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uint8_t opcode; // opcode = 0
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uint8_t wave; // id de la wave
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uint8_t dist; // current node's distance
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};
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struct data {
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uint8_t opcode; // opcode = 1
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uint8_t dist; // distance of the last sender
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uint8_t ttl; // time to live default = 10
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uint8_t size; // size of message in bytes
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uint8_t message[]; // actual message
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};
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// A <node> object is held by each node which values are determined thanks
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// to the DISCOVER requests it receives; each node broadcasts a DISCOVER
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// request every DISCOVER_TTL milliseconds
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class node{
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private:
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// unique id of the node : MAC ADDR
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int id;
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// last received wave id
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uint8_t last_wave;
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// relative node-distance to the well
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// WELL : dist = 0
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// NODE1 can reach WELL : dist = 1
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// NODE2 can reach NODE1 : dist = 2
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// and so on...
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uint8_t dist;
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public:
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// send a discover request
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bool discover();
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// update the current node according to a (received)
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// discover request
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bool update(struct discover req);
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};
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#endif
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@ -0,0 +1 @@
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../../protocol.h
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