50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
#pragma once
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#include <RCSwitch.h>
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#include "Tiny.h"
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class TinySensor {
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protected:
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short id;
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short senderPin;
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RCSwitch mySwitch = RCSwitch();
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long readVcc() {
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// Read 1.1V reference against AVcc
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// set the reference to Vcc and the measurement to the internal 1.1V reference
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#if defined(__AVR_ATmega32U4__) || defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
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ADMUX = _BV(REFS0) | _BV(MUX4) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
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#elif defined (__AVR_ATtiny24__) || defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__)
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ADMUX = _BV(MUX5) | _BV(MUX0);
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#elif defined (__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
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ADMUX = _BV(MUX3) | _BV(MUX2);
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#else
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ADMUX = _BV(REFS0) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
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#endif
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delay(2); // Wait for Vref to settle
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ADCSRA |= _BV(ADSC); // Start conversion
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while (bit_is_set(ADCSRA, ADSC)); // measuring
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uint16_t result = ADC; // read ADC in one step
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result = 1126400L / result; // Calculate Vcc (in mV); 1126400 = 1.1*1024*1000
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return result; // Vcc in millivolts
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}
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void sendInfo(unsigned long value) {
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mySwitch.send(value, 32);
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}
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public:
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TinySensor(short id, short senderPin) {
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this->id = id;
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this->senderPin = senderPin;
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}
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void setup() {
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mySwitch.enableTransmit(senderPin);
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mySwitch.setProtocol(2);
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}
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};
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