The Lucid Dream Machine

Step 3 The Code

For some reason code isn't showing up right anymore, so I've attached a file with the C program

Comments

[oyuriy]

Hi,
Great job. Is it possible to get code in C with comments for a beginner programmer, posted here or by email? To improve, modify, etc...
Thanks.

[guyfrom7up]

for some reason, as of recently, instructables took out all of the returns in the posted c code.  If you highlight the one line and paste it somewhere it looks like this:
/********************************************* lucid13.c V 0.2b Lucid dreaming device Software by gmoon (Doug Garmon) Hardware by guyfrom7up (Brian _)* Chip type : ATtiny13* Clock frequency : Internal clock 1.2 Mhz*********************************************/#include <avr/io.h>#include <inttypes.h>#include <avr/interrupt.h>#include <avr/sleep.h>#define F_CPU 1200000UL // 1.2 MHz default clock// ramping fx increments#define PWM_VAL 4#define TRANS_VAL 6// the overall pulse width and delay between pulses#define MACRO_WIDTH 1500#define MACRO_GAP 1500// mode#define MODE_WAITING 0#define MODE_DREAM 1#define WAIT_LENGTH 1#define BUTTON PB4 // button#define LED _BV(PB1) | _BV(PB2) // LED outputvolatile uint16_t macropulse;volatile uint16_t waitstate;// IRQ vectorISR (TIM0_OVF_vect){ static uint8_t modeflag; static uint8_t pwm; static uint16_t transition; switch (modeflag) { case MODE_DREAM: if(macropulse < MACRO_WIDTH) { pwm += PWM_VAL; if (pwm > transition) PORTB &= ~(LED); // turn off LEDs else PORTB |= LED; // turn on if (!pwm) transition += TRANS_VAL; } // delay between pulses else { pwm = transition = 0; PORTB &= ~(LED); // turn off if (macropulse > (MACRO_GAP + MACRO_WIDTH)) macropulse = 0; } macropulse++; break; case MODE_WAITING: macropulse++; if (!macropulse) waitstate++; if (waitstate >= WAIT_LENGTH) { modeflag = MODE_DREAM; TCCR0B = _BV(CS00); // new prescaler } break; }}// init the IRQvoid irqinit (void){ // timer scaler value TCCR0B |= (_BV(CS02) | _BV(CS00)); // Enable timer overflow irq TIMSK0 = _BV (TOIE0); sei (); // IRQ on}int main(void){ uint8_t userflag; /* INITIALIZE */ DDRB &= ~_BV(DDB4); // clear bit, input fire-button PORTB |= _BV(BUTTON); // set bit, enable pull-up resistor DDRB |= _BV(DDB1) | _BV(DDB2); // set output //PORTB &= ~(LED); // set bits off // Check if button is pressed when powering up... if(!(PINB & _BV(BUTTON))) userflag = 1; // init the IRQ irqinit(); // turn on LED, // delay before checking user input again while(macropulse < 14) { PORTB |= (LED); } PORTB &= ~(LED); // button still pressed? Enter immediate mode... if(!(PINB & _BV(BUTTON)) && userflag) waitstate = WAIT_LENGTH; // place the CPU into idle mode set_sleep_mode (SLEEP_MODE_IDLE); sleep_mode (); // infinite loop--the IRQ does all the work... while(1) { } return(0);}

unforrtunately instructables took out the returns, i'll see if i can fix it

[guyfrom7up]

yeah, i tried fixing it, it's not working, i'll try and attach a file

[torik]

nice, but how do i get this code into chip? any tips?