107 lines
3.8 KiB
C++
107 lines
3.8 KiB
C++
#include <Bounce2.h>
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#include <avr/interrupt.h>
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#include <avr/sleep.h>
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#ifndef cbi
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#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
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#endif
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#ifndef sbi
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#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
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#endif
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#define PINLASER 3 // Output goes to NPN base that controls the laser module
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#define PINLIGHT 4 // Output goes to NPN base that controls the LED
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#define PINB1 1 // also PCINT1
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#define PINB2 2 // also PCINT2
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Bounce btnLaser = Bounce();
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Bounce btnLight = Bounce();
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uint8_t effLight = 0, effLaser = 0, effStrobo = 0; // Stores state of LED (0=Off, 1=On, 2=Strobe), Laser (0=Off, 1=On) and Strobe interval
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unsigned long stroboMillis, sleepMillis; // Stores start time for strobe effect and sleep counter
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bool sleepBool = false; // This indicates if the sleep counter has started
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uint8_t geninterval() { // Returns next strobe interval (random number between 50 and 190ms in 10th steps)
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return 50 + (10 * random(15));
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}
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void setup() {
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cbi(ADCSRA,ADEN); // Disable DAC
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pinMode(PINLASER, OUTPUT);
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pinMode(PINLIGHT, OUTPUT);
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btnLaser.attach(PINB1, INPUT_PULLUP);
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btnLight.attach(PINB2, INPUT_PULLUP);
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btnLaser.interval(5);
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btnLight.interval(5);
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digitalWrite(PINLASER, LOW);
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digitalWrite(PINLIGHT, LOW);
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}
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void loop() {
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btnLaser.update();
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btnLight.update();
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if(btnLaser.fell()) {
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digitalWrite(PINLASER, !digitalRead(PINLASER));
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effLaser ^= 1;
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sleepBool = false;
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}
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if(btnLight.fell()) {
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switch(effLight) {
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case 0:
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digitalWrite(PINLIGHT, HIGH);
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effLight = 1;
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sleepBool = false;
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break;
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case 1:
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effLight = 2;
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sleepBool = false;
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effStrobo = geninterval();
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stroboMillis = millis();
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break;
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case 2:
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digitalWrite(PINLIGHT, LOW);
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effLight = 0;
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effStrobo = 0;
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sleepBool = false;
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break;
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}
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}
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if(effLight == 2) {
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if(millis() - stroboMillis > effStrobo) {
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digitalWrite(PINLIGHT, !digitalRead(PINLIGHT));
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effStrobo = geninterval();
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stroboMillis = millis();
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}
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}
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if((effLight == 0) && (effLaser == 0) && (!sleepBool)) {
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sleepBool = true;
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sleepMillis = millis();
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}
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if(sleepBool) {
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if(millis() - sleepMillis > 200) {
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sleepBool = false; // We decided to go to sleep, no need for the counter
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cli(); // Disable interrupt handling so we can configure everything uninterrupted
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GIMSK = 0b00100000; // activate On Pin Change Interrupt PCINT
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PCMSK = 0b00000110; // activate PCINT for Pin PB1 and PB2 (PCINT1 and PCINT2)
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set_sleep_mode(SLEEP_MODE_PWR_DOWN); // We power down completely
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sleep_enable(); // Prepare Sleep mode
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sleep_bod_disable(); // Disable Brown-out Detector (sleep will be a little bit deeper now)
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sei(); // Enable interrupt handling, otherwise we won't wake up anymore
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sleep_cpu(); // And we're gone
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cli(); // If we arrive at this step, something woke us up, disable interrupt handling so we can clean up uninterrupted
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sleep_disable(); // Disable Sleep mode
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GIMSK = 0; // Since we don't use interrupt handling except for Sleep wakeup, disable PCINT
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PCMSK = 0; // We disabled PCINT so we don't need to know what kind of PCINT we should listen to
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sei(); // Cleanup done, enable interrupt handling again.
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}
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}
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}
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ISR(PCINT0_vect) {} // Interrupt Handling routine. Since we just need PCINT to wake up, this can be empty
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