62 lines
1.3 KiB
C++
62 lines
1.3 KiB
C++
#include <Wire.h>
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#include "lcd.h"
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#include "xbee_wrapper.h"
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#include "packet.h"
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// Peripherals
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LCDWrapper screen(0x20, 16, 2);
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XBeeWrapper xbee = XBeeWrapper();
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// ACTUAL DATA
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uint8_t wave_id = 250;
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Packet recv, send;
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unsigned long time;
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void setup() {
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Serial.begin(38400);
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Serial.println("+ ready");
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screen.begin();
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screen.printf("[ well ready ]");
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xbee.begin(38400);
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time = millis();
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}
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void loop() {
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/* [1] if DISCOVER_TTL reached -> send discover request */
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if( millis() - time >= DISCOVER_TTL ){
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time = millis();
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// increment wave id (will overflow from 255 to 0)
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send.setOpcode(0);
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send.setWave(++wave_id);
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send.setDist(0);
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send.setSender(SENDERID);
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screen.clear();
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screen.printfn(1, "dsc[%3d] %3d / %3d", send.getSender(), send.getDist(), send.getWave());
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if( xbee.broadcast(send) == XBWSEND_OK ) screen.printfn(1, "sent");
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else screen.printfn(1, "failed");
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}
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/* [2] Listen for incoming data */
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if( xbee.receive(recv) != XBWRECV_OK )
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return;
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uint8_t opcode = recv.getOpcode();
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// ignore DISCOVER requests
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if( opcode == 0 )
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return;
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// log message
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screen.clear();
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screen.printfn(0, "msg[%3d/%3d] %3d", recv.getDist(), recv.getTTL(), recv.getSize());
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screen.printfn_overflow(1, "%s", recv.getData());
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}
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