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86 lines
2.0 KiB
C++
86 lines
2.0 KiB
C++
#include <LoRa.h>
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#include "boards.h"
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#include <SafeString.h>
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#include <millisDelay.h>
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//elapsedMillis timeElapsed;
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//unsigned int interval = 20000;
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millisDelay codetimer;
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int counter = 0;
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int percent = 0;
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int prevPercent = 0;
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long futuretime = 0;
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long timetowait = 1000 * 3; //thelast number is the seconds
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int secretcode = 21;
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int addedRandom = 0;
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void setup()
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{
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Serial.begin( 9600 );
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initBoard();
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// When the power is turned on, a delay is required.
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delay(1500);
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Serial.println("LoRa Sender");
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LoRa.setPins(RADIO_CS_PIN, RADIO_RST_PIN, RADIO_DI0_PIN);
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if (!LoRa.begin(LoRa_frequency)) {
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Serial.println("Starting LoRa failed!");
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while (1);
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}
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}
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void loop(){
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percent = round(analogRead(2) / 4095.00 * 100 + addedRandom);
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if(percent != prevPercent) {
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Serial.println(percent);
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LoRa.beginPacket();
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LoRa.print("node4 ");
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LoRa.print(percent);
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LoRa.endPacket();
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prevPercent = percent;
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futuretime = millis() + timetowait; // current time plus the timetowait
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}
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// delay(100);
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// Serial.print("Sending packet: ");
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// Serial.println(percent);
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// send packet
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#ifdef HAS_DISPLAY
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if (u8g2) {
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char buf[256];
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dtostrf(percent,3,0,buf);
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u8g2->clearBuffer();
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String message = String(percent);
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u8g2->drawStr(0, 20, " Gateway code:");
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// snprintf(buf, sizeof(buf), "Sending: %d", counter);
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u8g2->drawStr(0, 40, buf);
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if(futuretime > millis()){ // checks the current time with the future time -> count down
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u8g2->drawStr(0, 60, " connecting...");
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}
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if(percent == secretcode && futuretime+10000 < millis()){
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u8g2->drawStr(0, 60, " connecting...");
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addedRandom = random(0,10);
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}
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else if(percent == secretcode && futuretime < millis()) {
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u8g2->drawStr(0, 60, " PORT: 20.15.18");
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}
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// u8g2->print(percent);
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u8g2->sendBuffer();
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}
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#endif
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counter++;
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}
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