47 lines
843 B
C++
47 lines
843 B
C++
#include <Arduino.h>
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#include <TinyPower.h>
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#include "SonarSensor.h"
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#define SEND_INTERVAL 37 // 37*8s = ~5min
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#define SEND_VCC_INTERVAL (SEND_INTERVAL*6) // every half hour
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// Pins
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#define SENDER PIN_B2
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SonarSensor oilSensor(OIL_SENSOR);
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volatile int counter = 0;
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volatile bool shouldSend = true;
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void setup() {
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TinySwitch::setup(SENDER);
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delay(10000);
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TinyPower::setup();
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TinyPower::enableWdt(WDTO_8S);
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}
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void loop() {
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if (shouldSend) {
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shouldSend = false;
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unsigned int distance = oilSensor.scan();
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if (distance) {
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if (counter) {
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oilSensor.sendValue(distance);
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} else {
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oilSensor.sendValueAndVoltage(distance);
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}
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}
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}
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TinyPower::sleep();
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}
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ISR(WDT_vect) {
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counter++;
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if ((counter % SEND_INTERVAL == 0)) {
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shouldSend = true;
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if ((counter % SEND_VCC_INTERVAL == 0)) {
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counter = 0;
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}
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}
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}
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