alarm.c

Example of simple polling hardware alarm.

/*
 * Copyright (C) 2003 BLADOX, s.r.o.  All rights reserved.
 * 
 * This file is part of an example program for Turbo. This example
 * program may be used, distributed and modified without limitation.
 *
 */

#include <config.h>
#include <turbo/turbo.h>

#include <stdlib.h>
#include <string.h>

u8 PROGMEM t_Foo_en[] = "SAFE OPEN!";   // alarm text
u8 PROGMEM t_ms[] = "+420123456789";    // whom to send alarm

//------------------------------------------------------------------------
//  INPUT pin of ALARM application (A15 = PC7)
//------------------------------------------------------------------------
#define ALARM_DDR DDRC
#define ALARM_DDR_PIN DD7
#define ALARM_PORT PORTC
#define ALARM_PORT_PIN PORT7
#define ALARM_PIN PINC
#define ALARM_PIN_PIN PIN7

void action_sms (void *data)
{
  u8 *tmp = malloc (100);
  u8 *ms = str2msisdn (t_ms, MSISDN_ADN, MEM_R);

  memcpy (tmp, t_Foo_en, sizeof (t_Foo_en));    // answer

// sms on display
  send_sms (tmp, sizeof (t_Foo_en), ms, MSISDN_ADN, 0xF4, 0, NULL, NULL);
// sms to ME
  send_sms (tmp, sizeof (t_Foo_en), ms, MSISDN_ADN, 0xF5, 0, NULL, NULL);

  free (tmp);
  free (ms);
}

void turbo_handler (u8 action, void *data)
{
  switch (action)
  {
    case ACTION_APP_INIT:
      sbi (ALARM_PORT, ALARM_PORT_PIN); //set ALARM pin output register bit to log.1
      asm __volatile__ ("nop"); //wait

      cbi (ALARM_DDR, ALARM_DDR_PIN);   //ALARM pin is INPUT

      reg_action (ACTION_STATUS);
      break;
    case ACTION_STATUS:
      // test if input ALARM pin is LOW
      if ((inb (ALARM_PIN) & (1 << ALARM_PIN_PIN)) != 0)
        stk_thread (action_sms, NULL);
      break;
    default:
      break;
  }
}