Stumped by error messages - pulling from separate library

i building own variation of project found here:
http://www.instructables.com/id/arduino-binary-alarm-clock/

it includes library tones:
http://arduino-tone.googlecode.com/files/tone-v0004.zip

i got rid of switch selecting time , alarm setting , replaced them separate buttons.
i removed capacitive switch snooze button , replaced physical button.

due original author writing in tabs, code in several posts

here modified code:

code: [select]

/*
==========arduino binary alarm clock==========
| author: martin forsgren                    |
| date:   15-11-2009                         |
==============================================
*/

#include <capsense.h> // library touchsensors
#include <tone.h>    // library soundgeneration
#define debug 0     // set 1 debugging output via serial.

// display pins:
int hour_pins[]   = {18, 17, 16, 15, 14};    // hour pins pins 14 18
int minute_pins[] = {13, 12, 11, 10, 9, 8}; // minute pins 8 13
// values in falling order because connected pins way accident

// button pins:
int hour_button_pin = 6;
int minute_button_pin = 5;
int settime_button_pin = 7;
int setalarm_button_pin = 4;
int snooze_button = 3;



// sound:
int speaker_pin = 19;
tone tone_maker;

// button states:
int hour_button_state;
int minute_button_state;
int settime_button_state;
int setalarm_button_state;
int snooze_button_state;

// clock variables, stores current time:
int seconds = 0;
int minutes = 10;
int hours = 10;

// hours_p , minutes_p pointers used decide:
// - if ordinary time or alarm time shoud displayed
// - if time or alarm time should changed when buttons pressed
int * hours_p = &hours;     // points hours or alarm_hours depending
                            // on setting_switch_state
int * minutes_p = &minutes; // points minutes or alarm_minutes depending
                            // on setting_switch_state

// alarm variables:
boolean  alarm_on = false;
boolean signal_on = false;
boolean snooze_on = false;
// alarm time:
int alarm_hours = 20;
int alarm_minutes = 20;
// time when snooze period should end:
int snooze_off_hours;
int snooze_off_minutes;

int debug_print_counter = 0;

void setup()
{
 
  // set 6 minute pins output:
  for(int = 0; < 7; i++)
  {
    pinmode(minute_pins[i], output);
  }
 
  // set 5 hour pins output:
  for(int = 0; < 6; i++)
  {
    pinmode(hour_pins[i], output);
  }

  // set button pins input:
  pinmode(hour_button_pin, input);
  pinmode(minute_button_pin, input);
  pinmode(settime_button_pin, input);
  pinmode(setalarm_button_pin, input);
  // activate internal pullup resistors:
  digitalwrite(hour_button_pin, high);
  digitalwrite(minute_button_pin, high);
  digitalwrite(settime_button_pin, high);
  digitalwrite(setalarm_button_pin, high);
  digitalwrite(snooze_button, high);
 
  //output sound speaker_pin:
  tone_maker.begin(speaker_pin);

}

void loop()
{
  clock();   // keep track of time, i.e. update hours,
             // minutes , seconds variables needed.
  display(); // display time, or alarm time, depending on state of settings switch.
  alarm();   // checks if it's time alarm  start.
  update_buttons_state(); // checks if buttons , touch sensor states has changed
  //update_buttons_state_with_debounce();
  buttons(); // buttons should do
 
 
}

and here error codes:

code: [select]

c:\users\tech\documents\arduino\libraries\tone\tone.cpp: in member function 'void tone::begin(uint8_t)':
c:\users\tech\documents\arduino\libraries\tone\tone.cpp:125: error: 'bitwrite' not declared in scope
c:\users\tech\documents\arduino\libraries\tone\tone.cpp:127: error: 'digitalpintoport' not declared in scope
c:\users\tech\documents\arduino\libraries\tone\tone.cpp:127: error: 'portoutputregister' not declared in scope
c:\users\tech\documents\arduino\libraries\tone\tone.cpp:128: error: 'digitalpintobitmask' not declared in scope
c:\users\tech\documents\arduino\libraries\tone\tone.cpp: in member function 'void tone::play(int, long unsigned int)':
c:\users\tech\documents\arduino\libraries\tone\tone.cpp:201: error: 'output' not declared in scope
c:\users\tech\documents\arduino\libraries\tone\tone.cpp:201: error: 'pinmode' not declared in scope
c:\users\tech\documents\arduino\libraries\tone\tone.cpp:284: error: 'bitwrite' not declared in scope
c:\users\tech\documents\arduino\libraries\tone\tone.cpp: in member function 'void tone::stop()':
c:\users\tech\documents\arduino\libraries\tone\tone.cpp:359: error: 'digitalwrite' not declared in scope

other changing pin assignments, didn't make changes code , can't figure out these error codes referring to.

here's clock code:

code: [select]

//"internal" variables clock function:
#define max_millis_value 34359738
unsigned long current_millis_value = 0;
unsigned long previous_millis_value = 0;
unsigned long m = 0;
/*
unsigned int seconds = 0;
unsigned int minutes = 0;
unsigned int hours = 0;
*/
void clock()
{
  current_millis_value = millis();
  if (current_millis_value < previous_millis_value) // if millis overflows
  {
    m += max_millis_value - previous_millis_value + current_millis_value;
  }
  else // if millis has not overflown
  {
    m += current_millis_value - previous_millis_value;
  }
  seconds += m / 1000;
  m = m % 1000;
  minutes += seconds / 60;
  seconds = seconds % 60;
  hours += minutes / 60;
  minutes = minutes % 60;
  hours = hours % 24;
  previous_millis_value = current_millis_value;
}

/* clock function uses if statements instead of modulo */
void ifclock()
{
  current_millis_value = millis();
  if (current_millis_value < previous_millis_value) // if millis overflows
  {
    m += max_millis_value - previous_millis_value + current_millis_value;
  }
  else // if millis has not overflown
  {
    m += current_millis_value - previous_millis_value;
  }
  if (m>999)
  {
    seconds++;
    m = m-1000;
  }
  if (seconds>59) // if seconds == 60
  {
    minutes++;
    seconds = 0;
  }
  if (minutes>59) // if minutes == 60
  {
    hours++;
    minutes = 0;
  }
  if (hours>23) // if hours == 24
  {
    hours = 0;
  }
 
  previous_millis_value = current_millis_value;
}
 

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