/*

* File: Main_Program.c

* Author: Natawat "Minin0la" Hebnak

*

* Created on 27 July, 2016, 9:31 AM

*/

#include <xc.h>

#include "lcd.h"

#include "delays.h"

#include "keypad.h"

unsigned char hour, minute, second, hourA, minuteA, hourB, minuteB, hourC, minuteC;

int AlarmAOff, AlarmBOff, AlarmC2Off, AlarmCOff;

char int_2_char (unsigned char int1)

{

char char1;

switch (int1)

{

case 0 : char1 = '0' ; break;

case 1 : char1 = '1' ; break;

case 2 : char1 = '2' ; break;

case 3 : char1 = '3' ; break;

case 4 : char1 = '4' ; break;

case 5 : char1 = '5' ; break;

case 6 : char1 = '6' ; break;

case 7 : char1 = '7' ; break;

case 8 : char1 = '8' ; break;

case 9 : char1 = '9' ; break;

default : char1 = '?' ;

}

return(char1);

}

unsigned char char_2_int (char char1)

{

unsigned char int1;

switch (char1)

{

case '0' : int1 = 0 ; break;

case '1' : int1 = 1 ; break;

case '2' : int1 = 2 ; break;

case '3' : int1 = 3 ; break;

case '4' : int1 = 4 ; break;

case '5' : int1 = 5 ; break;

case '6' : int1 = 6 ; break;

case '7' : int1 = 7 ; break;

case '8' : int1 = 8 ; break;

case '9' : int1 = 9 ; break;

default : int1 = 0 ;

}

return(int1);

}

void interrupt ISR_Timer0_Int()

{

unsigned char hour10, hour1, minute10, minute1, second10, second1;

if (INTCONbits.TMR0IF == 1)

{

//TMR0H = 0x48;

//TMR0L = 0xE5;

second = second + 1;

if ( second > 59 )

{

second = 0;

minute = minute + 1;

if ( minute > 59 )

{

minute = 0;

hour = hour + 1;

if ( hour > 23 )

hour = 0;

}

}

hour10 = hour / 10;

hour1 = hour - hour10 * 10;

minute10 = minute / 10;

minute1 = minute - minute10 * 10;

second10 = second / 10;

second1 = second - second10 * 10;

lcd_write_cmd(0x80);

lcd_write_data('T');

lcd_write_data('i');

lcd_write_data('m');

lcd_write_data('e');

lcd_write_data(' ');

lcd_write_data('=');

lcd_write_data(' ');

lcd_write_data(int_2_char (hour10));

lcd_write_data(int_2_char (hour1));

lcd_write_data(':');

lcd_write_data(int_2_char (minute10));

lcd_write_data(int_2_char (minute1));

lcd_write_data(':');

lcd_write_data(int_2_char (second10));

lcd_write_data(int_2_char (second1));

INTCONbits.TMR0IF = 0;

}

}

void SetupTime() //Program to get current Time

{

unsigned char msgindex, outchar, ctemp;

unsigned char hour10, hour1, minute10, minute1, second10, second1;

char Message[ ] = "Set time hhmmss: ";

lcd_write_cmd(0x80);

for (msgindex = 0; msgindex < 20; msgindex++)

{

outchar = Message[msgindex];

lcd_write_data(outchar);

}

lcd_write_cmd(0xC0); // Move cursor to line 2 position 1

ctemp=getkey(); // waits and get an ascii key number when pressed

lcd_write_data(ctemp); //display on LCD

hour10 = char_2_int (ctemp);

ctemp=getkey();

lcd_write_data(ctemp);

hour1 = char_2_int (ctemp);

ctemp=getkey();

lcd_write_data(ctemp);

minute10 = char_2_int (ctemp);

ctemp=getkey();

lcd_write_data(ctemp);

minute1 = char_2_int (ctemp);

ctemp=getkey();

lcd_write_data(ctemp);

second10 = char_2_int (ctemp);

ctemp=getkey();

lcd_write_data(ctemp);

second1 = char_2_int (ctemp);

hour = hour10 * 10 + hour1;

minute = minute10 * 10 + minute1;

second = second10 * 10 + second1;

delay_ms(500);

lcd_write_cmd(0x01);

}

void SetupAlarmTimeA() //Program to get Alarm Time for Subject A

{

unsigned char msgindex, outchar, ctemp;

unsigned char hour10, hour1, minute10, minute1;

char Message[ ] = "Subject A Time hhmm:";

PORTA = 0b00000010; //On LED RA1

lcd_write_cmd(0x80);

for (msgindex = 0; msgindex < 20; msgindex++)

{

outchar = Message[msgindex];

lcd_write_data(outchar);

}

lcd_write_cmd(0xC0); // Move cursor to line 2 position 1

ctemp=getkey(); // waits and get an ascii key number when pressed

lcd_write_data(ctemp); //display on LCD

hour10 = char_2_int (ctemp);

ctemp=getkey();

lcd_write_data(ctemp);

hour1 = char_2_int (ctemp);

ctemp=getkey();

lcd_write_data(ctemp);

minute10 = char_2_int (ctemp);

ctemp=getkey();

lcd_write_data(ctemp);

minute1 = char_2_int (ctemp);

hourA = hour10 * 10 + hour1;

minuteA = minute10 * 10 + minute1;

delay_ms(500);

lcd_write_cmd(0x01);

}

void SetupAlarmTimeB() //Program to get Alarm Time for Subject B

{

unsigned char msgindex, outchar, ctemp;

unsigned char hour10, hour1, minute10, minute1;

char Message[ ] = "Subject B Time hhmm:";

PORTA = 0b00000100; //On LED RA2

lcd_write_cmd(0x80);

for (msgindex = 0; msgindex < 20; msgindex++)

{

outchar = Message[msgindex];

lcd_write_data(outchar);

}

lcd_write_cmd(0xC0); // Move cursor to line 2 position 1

ctemp=getkey(); // waits and get an ascii key number when pressed

lcd_write_data(ctemp); //display on LCD

hour10 = char_2_int (ctemp);

ctemp=getkey();

lcd_write_data(ctemp);

hour1 = char_2_int (ctemp);

ctemp=getkey();

lcd_write_data(ctemp);

minute10 = char_2_int (ctemp);

ctemp=getkey();

lcd_write_data(ctemp);

minute1 = char_2_int (ctemp);

hourB = hour10 * 10 + hour1;

minuteB = minute10 * 10 + minute1;

delay_ms(500);

lcd_write_cmd(0x01);

}

void SetupAlarmTimeC() //Program to get Alarm Time for Subject C

{

unsigned char msgindex, outchar, ctemp;

unsigned char hour10, hour1, minute10, minute1;

char Message[ ] = "Subject C Time hhmm:";

PORTA = 0b00001000; //On LED RA3

lcd_write_cmd(0x80);

for (msgindex = 0; msgindex < 20; msgindex++)

{

outchar = Message[msgindex];

lcd_write_data(outchar);

}

lcd_write_cmd(0xC0); // Move cursor to line 2 position 1

ctemp=getkey(); // waits and get an ascii key number when pressed

lcd_write_data(ctemp); //display on LCD

hour10 = char_2_int (ctemp);

ctemp=getkey();

lcd_write_data(ctemp);

hour1 = char_2_int (ctemp);

ctemp=getkey();

lcd_write_data(ctemp);

minute10 = char_2_int (ctemp);

ctemp=getkey();

lcd_write_data(ctemp);

minute1 = char_2_int (ctemp);

hourC = hour10 * 10 + hour1;

minuteC = minute10 * 10 + minute1;

delay_ms(500);

lcd_write_cmd(0x01);

}

void SetupTimerInterruptRegisters()

{

RCONbits.IPEN =1; // Bit7 Interrupt Priority Enable Bit

// 1 Enable priority levels on interrupts

// 0 Disable priority levels on interrupts

INTCONbits.GIEH =1; // Bit7 Global Interrupt Enable bit

// When IPEN = 1

// 1 Enable all high priority interrupts

// 0 Disable all high priority interrupts

T0CON = 0b00000111; // bit7:0 Stop Timer0

// bit6:0 Timer0 as 16 bit timer

// bit5:0 Clock source is internal

// bit4:0 Increment on lo to hi transition on TOCKI pin

// bit3:0 Prescaler output is assigned to Timer0

// bit2-bit0:111 1:256 prescaler

INTCON2 = 0b10000100; // bit7 :PORTB Pull-Up Enable bit

// 1 All PORTB pull-ups are disabled

// bit2 :TMR0 Overflow Int Priority Bit

// 1 High Priority

TMR0H = 0x48; // Initialising TMR0H

TMR0L = 0xE5; // Initialising TMR0L for 1 second interrupt

T0CONbits.TMR0ON = 1; // Turn on timer

INTCONbits.TMR0IE = 1; // bit5 TMR0 Overflow Int Enable bit

// 0 Disable the TMR0 overflow int

INTCONbits.TMR0IF = 0; // bit2 TMR0 Overflow Int Flag bit

// 0 TMR0 register did not overflow

}

void Startup()

{

unsigned char msgindex, outchar;

char Startup[ ] = "System Check ";

lcd_write_cmd(0x80);

for (msgindex = 0; msgindex < 20; msgindex++)

{

outchar = Startup[msgindex];

lcd_write_data(outchar);

}

PORTA = 0b00001111;

delay_ms(1000);

PORTA = 0b00000000;

char StartupDone[ ] = "System Check Done ";

lcd_write_cmd(0x80);

for (msgindex = 0; msgindex < 20; msgindex++)

{

outchar = StartupDone[msgindex];

lcd_write_data(outchar);

}

AlarmAOff = 0;

AlarmBOff = 0;

AlarmC2Off = 0;

AlarmCOff = 0;

}

void main(void) //------------ Main Program ---------------------------------------------------------------

{

ADCON1 = 0x0F;

CMCON = 0x07;

lcd_init();

TRISA = 0b00110000; //Set PORTAs as outputs and inputs

version();//Show version number

Startup();//Startup

SetupTime(); //Get Time

SetupAlarmTimeA(); //Get Alarm Time for Subject A

SetupAlarmTimeB(); //Get Alarm Time for Subject B

SetupAlarmTimeC(); //Get Alarm Time for Subject C

SetupTimerInterruptRegisters();

while(1)

{

if(hour==hourA && minute==minuteA && AlarmAOff == 0)

{

//On Buzzer RA0 and LED RA1

PORTAbits.RA0 = 1;

PORTAbits.RA1 = 1;

while (PORTAbits.RA5 == 1); //when mute is pressed

AlarmAOff = 1;

}

else if(hour==hourB && minute==minuteB && AlarmBOff == 0)

{

//On Buzzer RA0 and LED RA2

PORTAbits.RA0 = 1;

PORTAbits.RA2 = 1;

while (PORTAbits.RA5 == 1); //when mute is pressed

AlarmBOff = 1;

}

else if(hour==hourC && minute==minuteC && AlarmC2Off == 0)

{

//On Buzzer RA0 and LED RA3

PORTAbits.RA0 = 1;

PORTAbits.RA3 = 1;

while (PORTAbits.RA5 == 1); //when mute is pressed

AlarmC2Off = 1;

}

else

{

PORTA = 0b00000000; //Off Buzzer and All LEDS at start

}

}

}