projects/step-up/main.c

   1 #include <avr/io.h>
   2 #include <util/delay.h>
   3 #include <avr/sleep.h>
   4 #include <avr/interrupt.h>
   5 #include <avr/power.h>
   6 #include <avr/wdt.h>
   7
   8 #include "lights.h"
   9
  10 static void hw_setup()
  11 {
  12         wdt_enable(WDTO_1S);
  13
  14         //init_battery();
  15         init_pwm();
  16         init_adc();
  17
  18         //init_tmr();
  19         //init_buttons();
  20
  21         //init_pwmled();
  22         //init_gpio();
  23         //init_ambient();
  24         //init_pattern();
  25         //init_control();
  26
  27         set_sleep_mode(SLEEP_MODE_IDLE);
  28 }
  29
  30 #if 0
  31 static void hw_suspend()
  32 {
  33         susp_pwm();
  34         susp_adc();
  35         susp_tmr();
  36         susp_gpio();
  37         susp_buttons();
  38
  39         wdt_disable();
  40 }
  41
  42 void power_down()
  43 {
  44         hw_suspend();
  45
  46         do {
  47                 // G'night
  48                 set_sleep_mode(SLEEP_MODE_PWR_DOWN);
  49                 sleep_enable();
  50                 sleep_bod_disable();
  51                 sei();
  52                 sleep_cpu();
  53
  54                 // G'morning
  55                 cli();
  56                 sleep_disable();
  57
  58                 // allow wakeup by long button-press only
  59         } while (!buttons_wait_for_release());
  60
  61         // ok, so I will wake up
  62         hw_setup();
  63 }
  64 #endif
  65
  66 int main(void)
  67 {
  68         init_log();
  69
  70         power_usi_disable(); // Once for lifetime
  71         ACSR |= _BV(ACD);    // disable analog comparator
  72
  73         log_set_state(3);
  74
  75         hw_setup();
  76         // power_down(); - not while still debugging
  77
  78         sei();
  79 #if 1
  80         while (1) {
  81                 wdt_reset();
  82                 sleep_mode();
  83         }
  84 #endif
  85
  86 #if 0
  87         DDRB |= _BV(PB2);
  88         while (1) {
  89                 PORTB |=  _BV( PB2 );
  90                 _delay_ms(200);
  91                 PORTB &=~ _BV( PB2 );
  92                 _delay_ms(200);
  93         }
  94 #endif
  95 }