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main.c
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main.c
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#include "Includes.h"
// CONFIG
#pragma config FOSC = HS // Oscillator Selection bits (HS oscillator)
#pragma config WDTE = OFF // Watchdog Timer Enable bit (WDT disabled)
#pragma config PWRTE = OFF // Power-up Timer Enable bit (PWRT disabled)
#pragma config BOREN = OFF // Brown-out Reset Enable bit (BOR disabled)
#pragma config LVP = OFF // Low-Voltage (Single-Supply) In-Circuit Serial Programming Enable bit (RB3 is digital I/O, HV on MCLR must be used for programming)
#pragma config CPD = OFF // Data EEPROM Memory Code Protection bit (Data EEPROM code protection off)
#pragma config WRT = OFF // Flash Program Memory Write Enable bits (Write protection off; all program memory may be written to by EECON control)
#pragma config CP = OFF // Flash Program Memory Code Protection bit (Code protection off)
//END CONFIG
// Main function
void ADCinit(void);
void displayState1(void);
void displayState2(void);
void displayState3(void);
void displayState4(void);
unsigned int ReadADC(void);
unsigned int ADCvalue = 0;
unsigned int f, h_alarm = 0, m_alarm = 0, s_alarm = 0;
unsigned int voltage;
unsigned int state = 1;
unsigned int switch_state = 0;
void main(void) {
TRISA = 0xff;
TRISC = 0X00;
TRISD = 0X00;
InitLCD(); // Initialize LCD
InitI2C(); // Initialize i2c pins
state = 1;
// Khoi tao gia mac dinh
//__delay_ms(10000) // Tre 1s
Set_DS1307_RTC_Time(PM_Time, 2, 30, 30);
// kh?i t?o ngày tháng m?c ??nh
Set_DS1307_RTC_Date(04, 04, 16, Tuesday);
DisplayFirstTimeToLCD(Get_DS1307_RTC_Time());
while (1) {
switch (state) {
case 1:
displayState1();
break;
case 2:
displayState2();
break;
case 3:
displayState3();
break;
case 4:
displayState4();
break;
}
}
}
void ADCinit(void)// adc
{
ADCON1bits.ADCS2 = 0, ADCON0bits.ADCS1 = 0, ADCON0bits.ADCS0 = 0;
CHS2 = 0, CHS1 = 0, CHS0 = 0;
ADCON1bits.ADFM = 1;
ADCON1bits.PCFG = 0XE;
ADCON0bits.ADON = 1;
}
//lay nhiet do
unsigned int ReadADC(void) {
unsigned int nhietdo = 0;
ADCON0bits.GO_nDONE = 1;
while (ADCON0bits.GO_nDONE);
nhietdo = ADRESH * 256 + ADRESL;
return (nhietdo);
}
//Trang thai 1: Hien thi thoi gian, ngay thang
void displayState1(void) {
while (1) {
// Hien thi thoi gian
DisplayTimeToLCD(Get_DS1307_RTC_Time());
ADCinit();
ADCvalue = ReadADC();
//Hien thi ngày tháng t? giây 0->giây 40
if (Get_DS1307_RTC_Time()[0] > 40) {
WriteCommandToLCD(0xc0);
DisplayDateOnLCD(Get_DS1307_RTC_Date());
}
//Hi?n th? nhi?t ?? t? giây 40->59
if (Get_DS1307_RTC_Time()[0] < 40) {
voltage = (int) (5000.0f / 1023 * ADCvalue);
f = voltage / 10;
WriteCommandToLCD(0xc0);
WriteStringToLCD("TEMP: ");
WriteTempToLCD(f);
WriteCommandToLCD(0xc8);
WriteDataToLCD(0xdf);
WriteStringToLCD("C");
}
//WriteCommandToLCD(0xc0);
//Nh?n nút chuy?n tr?ng thái
if (!RA1) {
state++;
if (state == 5) {
state = 1;
}
break;
}
//Báo th?c
if (h_alarm == (int) Get_DS1307_RTC_Time()[2] && m_alarm == (int) Get_DS1307_RTC_Time()[1]) {
RD0 = 0;
}
//T?t báo th?c
if (!RA4) {
RD0 = 1;
h_alarm = 0;
m_alarm = 0;
}
}
}
//Tnangj thái 2: S?a th?i gian
void displayState2(void) {
ClearLCDScreen();
//Ba bi?n h,m,s l?u l?i th?i gian hi?n t?i
unsigned int h;
unsigned int m;
unsigned int s;
h = (int) Get_DS1307_RTC_Time()[2];
m = (int) Get_DS1307_RTC_Time()[1];
s = (int) Get_DS1307_RTC_Time()[0];
//B?m nút chuy?n tr?ng thái
if (!RA1) {
state++;
if (state == 5) {
state = 1;
}
}
//S?a th?i gian
while (1) {
WriteCommandToLCD(0x80);
WriteStringToLCD(" SETTING TIME");
WriteCommandToLCD(0xc0);
WriteTempToLCD(h);
WriteStringToLCD(":");
WriteTempToLCD(m);
WriteStringToLCD(":");
WriteTempToLCD(s);
if (!RA1) break;
while (1) {
//Khi nút switch ???c b?m s? chuy?n qua các ch? ?? ?i?u ch?nh khác
if (RA4 == 0) {
switch_state++;
if (switch_state == 4) {
break;
}
}
//Chuy?n tr?ng thái
if (RA1 == 0) {
state = 3;
break;
}
switch (switch_state) {
case 1:
WriteCommandToLCD(0x80);
WriteStringToLCD(" CHANGE HOUR ");
if (RA2 == 0 && h < 24) {
h++;
WriteCommandToLCD(0xc0);
WriteTempToLCD(h);
}
if (RA3 == 0 && h > 0) {
h--;
WriteCommandToLCD(0xc0);
WriteTempToLCD(h);
}
break;
case 2:
WriteCommandToLCD(0x80);
WriteStringToLCD(" CHANGE MINUTE ");
if (RA2 == 0 && m < 60) {
m++;
WriteCommandToLCD(0xc0 + 3);
WriteTempToLCD(m);
}
if (RA3 == 0 && m > 0) {
m--;
WriteCommandToLCD(0xc0 + 3);
WriteTempToLCD(m);
}
break;
case 3:
WriteCommandToLCD(0x80);
WriteStringToLCD(" CHANGE SECOND ");
if (RA2 == 0) {
s++;
WriteCommandToLCD(0xc0 + 6);
WriteTempToLCD(s);
}
if (RA3 == 0 && s > 0) {
s--;
WriteCommandToLCD(0xc0 + 6);
WriteTempToLCD(s);
}
break;
}
//L?u l?i th?i gian v?a thay ??i
Set_DS1307_RTC_Time(PM_Time, h, m, s);
}
}
}
//Tr?ng thái 3: S?a ngày
void displayState3(void) {
ClearLCDScreen();
//kh?i t?o các bi?n l?u th? ngày tháng n?m
unsigned int d;
unsigned int m;
unsigned int y;
unsigned int w;
d = (int) Get_DS1307_RTC_Date()[1];
m = (int) Get_DS1307_RTC_Date()[2];
y = (int) Get_DS1307_RTC_Date()[3];
w = (int) Get_DS1307_RTC_Date()[0];
if (!RA1) {
state++;
if (state == 5) {
state = 1;
}
}
while (1) {
WriteCommandToLCD(0x80);
WriteStringToLCD(" SETTING DATE ");
WriteCommandToLCD(0xc0);
WriteTempToLCD(d);
WriteStringToLCD(":");
WriteTempToLCD(m);
WriteStringToLCD(":");
WriteTempToLCD(y);
WriteStringToLCD(" ");
switch (w) {
case Monday: WriteStringToLCD("MON");
break;
case Tuesday: WriteStringToLCD("TUE");
break;
case Wednesday: WriteStringToLCD("WED");
break;
case Thursday: WriteStringToLCD("THU");
break;
case Friday: WriteStringToLCD("FRI");
break;
case Saturday: WriteStringToLCD("SAT");
break;
case Sunday: WriteStringToLCD("SUN");
break;
default: WriteStringToLCD("???");
break;
}
if (!RA1) break;
while (1) {
if (RA4 == 0) {
switch_state++;
if (switch_state == 4) {
break;
}
}
if (RA1 == 0) {
state = 4;
break;
}
switch (switch_state) {
case 1:
WriteCommandToLCD(0x80);
WriteStringToLCD(" CHANGE DAY ");
if (RA2 == 0 && d < 31) {
d++;
WriteCommandToLCD(0xc0);
WriteTempToLCD(d);
}
if (RA3 == 0 && d > 0) {
d--;
WriteCommandToLCD(0xc0);
WriteTempToLCD(d);
}
break;
case 2:
WriteCommandToLCD(0x80);
WriteStringToLCD(" CHANGE MONTH ");
if (RA2 == 0 && m < 12) {
m++;
WriteCommandToLCD(0xc0 + 3);
WriteTempToLCD(m);
}
if (RA3 == 0 && m > 0) {
m--;
WriteCommandToLCD(0xc0 + 3);
WriteTempToLCD(m);
}
break;
case 3:
WriteCommandToLCD(0x80);
WriteStringToLCD(" CHANGE YEAR ");
if (RA2 == 0) {
y++;
WriteCommandToLCD(0xc0 + 6);
WriteTempToLCD(y);
}
if (RA3 == 0 && y > 0) {
y--;
WriteCommandToLCD(0xc0 + 6);
WriteTempToLCD(y);
}
break;
case 4:
WriteCommandToLCD(0x80);
WriteStringToLCD(" CHANGE WEEK DAY ");
if (RA2 == 0 && w <= 7) {
w++;
}
if (RA3 == 0 && w >= 1) {
w--;
}
WriteCommandToLCD(0xc0 + 9);
switch (w) {
case Monday: WriteStringToLCD("MON");
break;
case Tuesday: WriteStringToLCD("TUE");
break;
case Wednesday: WriteStringToLCD("WED");
break;
case Thursday: WriteStringToLCD("THU");
break;
case Friday: WriteStringToLCD("FRI");
break;
case Saturday: WriteStringToLCD("SAT");
break;
case Sunday: WriteStringToLCD("SUN");
break;
default: WriteStringToLCD("???");
break;
}
break;
}
Set_DS1307_RTC_Date(d, m, y, w);
}
}
}
//Tr?ng thái 4: H?n gi?
void displayState4(void) {
ClearLCDScreen();
unsigned int h;
unsigned int m;
unsigned int s;
h = 0;
m = 0;
s = 0;
if (!RA1) {
state++;
if (state == 5) {
state = 1;
}
}
while (1) {
WriteCommandToLCD(0x80);
WriteStringToLCD(" ALARM ");
WriteCommandToLCD(0xc0);
WriteTempToLCD(h);
WriteStringToLCD(":");
WriteTempToLCD(m);
WriteStringToLCD(":");
WriteTempToLCD(s);
if (!RA1) {
DisplayFirstTimeToLCD(Get_DS1307_RTC_Time());
//DisplayDateOnLCD(Get_DS1307_RTC_Date());
break;
}
while (1) {
if (RA4 == 0) {
switch_state++;
if (switch_state == 4) {
break;
}
}
if (RA1 == 0) {
state = 1;
break;
}
switch (switch_state) {
case 1:
WriteCommandToLCD(0x80);
WriteStringToLCD(" HOUR ");
if (RA2 == 0 && h < 24) {
h++;
WriteCommandToLCD(0xc0);
WriteTempToLCD(h);
}
if (RA3 == 0 && h > 0) {
h--;
WriteCommandToLCD(0xc0);
WriteTempToLCD(h);
}
break;
case 2:
WriteCommandToLCD(0x80);
WriteStringToLCD(" MINUTE ");
if (RA2 == 0 && m < 60) {
m++;
WriteCommandToLCD(0xc0 + 3);
WriteTempToLCD(m);
}
if (RA3 == 0 && m > 0) {
m--;
WriteCommandToLCD(0xc0 + 3);
WriteTempToLCD(m);
}
break;
case 3:
WriteCommandToLCD(0x80);
WriteStringToLCD(" SECOND ");
if (RA2 == 0) {
s++;
WriteCommandToLCD(0xc0 + 6);
WriteTempToLCD(s);
}
if (RA3 == 0 && s > 0) {
s--;
WriteCommandToLCD(0xc0 + 6);
WriteTempToLCD(s);
}
break;
}
h_alarm = h;
m_alarm = m;
s_alarm = s;
}
}
}