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         power_all_disable();
  13
  14         wdt_enable(WDTO_1S);
  15
  16         //init_battery();
  17         init_pwm();
  18         init_adc();
  19
  20         init_buttons();
  21
  22         init_pwmled();
  23         init_pattern();
  24         init_control();
  25
  26         set_sleep_mode(SLEEP_MODE_IDLE);
  27 }
  28
  29 #if 0
  30 static void hw_suspend()
  31 {
  32         susp_pwm();
  33         susp_adc();
  34         susp_tmr();
  35         susp_gpio();
  36         susp_buttons();
  37
  38         wdt_disable();
  39 }
  40
  41 void power_down()
  42 {
  43         hw_suspend();
  44
  45         do {
  46                 // G'night
  47                 set_sleep_mode(SLEEP_MODE_PWR_DOWN);
  48                 sleep_enable();
  49                 sleep_bod_disable();
  50                 sei();
  51                 sleep_cpu();
  52
  53                 // G'morning
  54                 cli();
  55                 sleep_disable();
  56
  57                 // allow wakeup by long button-press only
  58         } while (!buttons_wait_for_release());
  59
  60         // ok, so I will wake up
  61         hw_setup();
  62 }
  63 #endif
  64
  65 int main(void)
  66 {
  67         init_log();
  68
  69         log_set_state(3);
  70
  71         hw_setup();
  72         // power_down(); - not while still debugging
  73
  74         sei();
  75 #if 1
  76         while (1) {
  77                 wdt_reset();
  78                 sleep_mode();
  79         }
  80 #endif
  81
  82 #if 0
  83         DDRB |= _BV(PB2);
  84         while (1) {
  85                 PORTB |=  _BV( PB2 );
  86                 _delay_ms(200);
  87                 PORTB &=~ _BV( PB2 );
  88                 _delay_ms(200);
  89         }
  90 #endif
  91 }