ATtiny85 Pumpkin guts

This is the ATtiny85 version of the pumpkin guts which is my first version of a few ports (ATtiny13, ATtiny10, and ATtiny402)

/* * ATtiny85-Pumkin-guts.c * Works Great!!! * Created: 10/23/2022 12:47:25 * Author : Sherman Stebbins */
#define F_CPU 1000000#include <avr/io.h>#include <avr/sleep.h> // Sleep Modes#include <util/delay.h>#include <avr/interrupt.h>
#define down 0#define up 1#define sleepMaxLoops 10#define maxCandleLoops 3
#define LedEye1 PB0 // the PWM pin the LED is attached tochar brightness = 0; // how bright the LED is //same as uint8_t
#define LedEye2 PB1 //PB4 // the PWM pin the LED is attached touint8_t brightness2 = 100; // how bright the LED is
//candle:///////////////////////////////////////////////////////////#define LFSR_SEED (91)const long interval = 80; //no diff//#define interval 80
#define LedYellow PB4 //PB1 //yellow ledconst char ranVar[3]={1,4,5};//,5,90,4,70,50,5,300,5};char ranSelect=0;const uint8_t ranMax=10;int countYellow = 0;int ranNumYellow=3;
#define LedWhite PB3 //white ledint countWhite=0;int ranNumWhite=3;int ledStateWhite = 0;
#define LedOrange PB2 //orange led//unsigned long countOrange=0;int countOrange=0;int ranNumOrange=3;int ledStateOrange = 0;
uint8_t candleLoop = 0;
//end of candle////////////////////////////////////////////

void SleepNow(void);static uint16_t prng_lfsr16(void);void Candle(void);
int main(void){ CLKPR=0b10000000;//change clock CLKPR=0b00000011;//set within 4 cycles and clear bit /* Clear WDRF in MCUSR */ MCUSR &= ~(1<<WDRF); /* Write logical one to WDCE and WDE */ /* Keep old prescaler setting to prevent unintentional time-out */ WDTCR |= (1<<WDCE) | (1<<WDE); /* Turn off WDT */ WDTCR = 0x00; TCCR0A = 0b11100011; //with A=non-invert and B=invert then last 3 bits set to fast PWM TCCR0B = 0b00000011; //prescaler to 64 OCR0A = 150; OCR0B = 150; uint8_t count = 0; uint8_t direction = 0; uint8_t sleepCount = 0;
int loops = 0; DDRB = 0b00001100; for(uint8_t i=0;i<100;i++){ Candle(); _delay_ms(50); } DDRB = 0b00001111; while (1) { if(loops>200){ if(direction){ if(++count > 254){ direction = down; } }else{ if(--count < 1){ direction = up; sleepCount++; if(sleepCount>sleepMaxLoops){ sleepCount=0; SleepNow(); } } } OCR0A = count; OCR0B = count; loops=0; } // _delay_ms(100000); loops++; ////////////Candle/////////////////////////////////////// Candle(); //////end of candle/////////////////////// }}
static uint16_t prng_lfsr16(void){ static uint16_t cnt16 = LFSR_SEED; return (cnt16 = (cnt16 >> 1) ^ (-(cnt16 & 1) & 0xB400));}
void SleepNow(void){ PORTB = 0b00000000; DDRB = 0b00000000; // pre scale timer to 8s so we can measure current WDTCR |= (1<<WDP3 )|(0<<WDP2 )|(0<<WDP1)|(0<<WDP0); // WDP3, WDP0 = 8s // WDP3 = 4s // WDTCR = 0b00101001; // Enable watchdog timer interrupts WDTCR |= (1<<WDE); sei(); // Enable global interrupts // Use the Power Down sleep mode //ADCSRA &= ~(1<<ADEN); //ACSR = (1<<ACD); //Disable the analog comparator PRR = 0b00000001; set_sleep_mode(SLEEP_MODE_PWR_DOWN); sleep_mode(); cli();
DDRB = 0b00001111;}
void Candle(){ //yellow if(++candleLoop > maxCandleLoops){ candleLoop=0; countYellow++; if(countYellow>=ranNumYellow){ PORTB ^= _BV(LedYellow); //Toggle LED countYellow=0; ranNumYellow=((prng_lfsr16()/15));//Random number }
//white countWhite++; if(countWhite>ranNumWhite){ //digitalWrite(LedWhite, ledStateWhite = ledStateWhite ? LOW : HIGH); PORTB ^= _BV(LedWhite); countWhite=0; //ranNumWhite= 750;//random(1000); ranNumWhite=(prng_lfsr16()/30);//random number //delay(100); }

//orange countOrange++; if(countOrange>ranNumOrange){ //analogWrite(LedOrange, ledStateOrange = ledStateOrange ? 0 : 255); //PORTB ^= _BV(LedOrange); PORTB ^= (1<<LedOrange); countOrange=0; //ranNumOrange=350;//random(1800); ranNumOrange=(prng_lfsr16()/50);//random number } }
}

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