// Main function
void main(void)
{
InitLCD(); // Initialize LCD
InitI2C(); // Initialize i2c pins
// Set initial time
Set_DS1307_RTC_Time(TwentyFourHoursMode, 12, 59, 50); // Set time 08:32:59 AM
// Set initial date
Set_DS1307_RTC_Date(15, 12, 12, Saturday); // Set 15-12-2012 @ Saturday
while(1)
{
SetTime();
// Display RTC time on first line of LCD
DisplayTimeToLCD(Get_DS1307_RTC_Time());
// Display RTC date on second line of LCD
DisplayDateOnLCD(Get_DS1307_RTC_Date());
__delay_ms(100); // 1 second delay
}
}
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 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;
}
}
}
// Main function
void main()
{
InitLCD(); // Initialize LCD
InitI2C(); // Initialize i2c pins
// Set initial time
Set_DS1307_RTC_Time(AM_Time, 8, 32, 59); // Set time 08:32:59 AM
// Set initial date
Set_DS1307_RTC_Date(2, 11, 12, Friday); // Set 02-11-2012 @ Friday
while(1)
{
// Display RTC time on first line of LCD
DisplayTimeToLCD(Get_DS1307_RTC_Time());
// Display RTC date on second line of LCD
DisplayDateOnLCD(Get_DS1307_RTC_Date());
delay(65000); // Roughly about 1 second delay
}
}
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;
}
}
}
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);
}
}
}
