void Welcome(unsigned char c[],unsigned char d[])
{
unsigned int i=0;
lcdcmd(0x01);
DelayMs(10);
lcdcmd(0x80);
DelayMs(10);
i=0;
while(c[i]!='\0')
{
lcdData(c[i]);
i++;
}
lcdcmd(0xc0);
DelayMs(10);
i=0;
while(d[i]!='\0')
{
lcdData(d[i]);
i++;
}
}
void lcdInit(void)
{
//Port config
lcd_port_dir_conf();
waitlcd(500);
lcdRSOff();
lcdENOff();
lcdPortDataOut(0x03);
waitlcd(40);
lcdENOn();
lcdENOff();
waitlcd(5);
lcdENOn();
lcdENOff();
waitlcd(5);
lcdENOn();
lcdENOff();
waitlcd(2);
lcdPortDataOut(0x02);
lcdENOn();
lcdENOff();
lcdcmd(0x28); //set data length 4 bit 2 line
waitlcd(250);
lcdcmd(0x0E); // set display on cursor on blink on
waitlcd(250);
lcdcmd(0x01); // clear lcd
waitlcd(250);
lcdcmd(0x06); // cursor shift direction
waitlcd(250);
lcdcmd(0x80); //set ram address
waitlcd(250);
}
void temps() //Function to display temp change
{
int j;
j=0;
menudisplay();
lcdcmd(0xC0);
while(str3[j]!='\0')
{
lcddata(str3[j]);
j++;
}
delay(10000000);
while(PORTDbits.RD13==1&&PORTDbits.RD7==1&&PORTDbits.RD6==1); //Wait till any key press
if(PORTDbits.RD7==0)
{
i++;
lcdcmd(0x01);
}
else if(PORTDbits.RD13==0)
{
settemp();
delay(100000000);
}
else if(PORTDbits.RD6==0)
{
i--;
lcdcmd(0x01);
}
}
void prints(const rom char * message){ // Write message to LCD (C string type)
lcdcmd(0x8); // disable display;
while (*message){ // Look for end of string
lcdData(*message++);
}
lcdcmd(0xE); // enable display;
}
void lcdinit(void)
{
RS=0;
EN=0;
PORTC= 0x3;
waitlcd(40);
EN=1;
EN=0;
waitlcd(5);
EN=1;
EN=0;
waitlcd(5);
EN=1;
EN=0;
waitlcd(2);
PORTC=2;
EN=1;
EN=0;
lcdcmd(0x28); //set data length 4 bit 2 line
waitlcd(250);
lcdcmd(0x0E); // set display on cursor on blink on
waitlcd(250);
lcdcmd(0x01); // clear lcd
waitlcd(250);
lcdcmd(0x06); // cursor shift direction
waitlcd(250);
lcdcmd(0x80); //set ram address
waitlcd(250);
}
void welcome(void)
{
unsigned int i=0;
unsigned char c[]="WELCOME TO RFID";
unsigned char d[]="SECURITY SYSTEM";
lcdcmd(0x01);
DelayMs(10);
lcdcmd(0x80);
DelayMs(10);
while(c[i]!='\0')
{
lcdData(c[i]);
i++;
}
lcdcmd(0xc0);
i=0;
while(d[i]!='\0')
{
lcdData(d[i]);
i++;
}
}
void ConvertAndDisplay(unsigned int value1,unsigned char c[])
{
unsigned int i,a=0,j;
unsigned char d1,d2,d3;
for(i=0;i<value1;i++)
a=a+1;
lcdcmd(0x01);
DelayMs(10);
lcdcmd(0x80);
DelayMs(10);
j=0;
while(c[j]!='\0')
{
lcdData(c[j]);
j++;
}
d1=a%10; //digits before desible point
a=a/10;
d2=a%10;
a=a/10;
d3=a%10;
lcdcmd(0xc0);
DelayMs(10);
display(d1,d2,d3);
}
void manualmode()
{
menudisplay();
int j=0;
lcdcmd(0xC0);
while(str6[j]!='\0')
{
lcddata(str6[j]);
j++;
}
while(PORTDbits.RD6==1&&PORTDbits.RD13==1);
if(PORTDbits.RD13==0)
{
PORTA=0xff;
delay(1000000);
PORTA=0x00;
}
else if(PORTDbits.RD6==0)
{
lcdcmd(0x01);
}
delay(1000000000);
}
//lcd initialisation----------------------------------------------------
void lcdinit()
{
en=0;
delay(25);
lcdcmd(0x38);
lcdready();
//delay(20);
lcdcmd(0x0E);
lcdready();
//delay(20);
lcdcmd(0x06);
//delay(20);
lcdready();
lcdcmd(0x01);
delay(20);
lcdcmd(0x02);
delay(20);
}
void lcdinit(void)
{
lcdcmd(0x38); //2 lines and 5X7 matrix
lcdcmd(0x0C); //Display ON, Cursor Blinking = 0x0E But this command is Display ON, Cursor OFF
lcdcmd(0x01); //Clear Display Screen
lcdcmd(0x80); //Force Cursor to the beginning of the First Line
lcdcmd(0x06);
}
void dis_cmd(char cmd_value)
{
char cmd_value1;
cmd_value1 = cmd_value & 0xF0; //mask lower nibble because PA4-PA7 pins are used.
lcdcmd(cmd_value1); // send to LCD
_delay_ms(10);
cmd_value1 = ((cmd_value<<4) & 0xF0); //shift 4-bit and mask
lcdcmd(cmd_value1); // send to LCD
}
void initialize (void)
{
lcdcmd (0x30); //1 line and 5x7 matrix
delay(1);
lcdcmd (0x38); //2 line and 5x7 matrix
delay(1);
lcdcmd (0x0C); //Display on, cursor off
delay(1);
lcdcmd (0x01); //Clear display Screen
delay(1);
lcdcmd (0x06); //shift cursor to right
delay(1);
}
//---------------------------------------
// Lcd initialization subroutine
//---------------------------------------
void lcdinit(void)
{
lcdcmd(0x38);
DelayMs(250);
lcdcmd(0x0E);
DelayMs(250);
lcdcmd(0x01);
DelayMs(250);
lcdcmd(0x06);
DelayMs(250);
lcdcmd(0x80);
DelayMs(250);
}
void lcdini()
{
mPORTESetPinsDigitalOut(BIT_0 | BIT_1 | BIT_2 | BIT_3 | BIT_4 | BIT_5 | BIT_6 | BIT_7);
PORTSetPinsDigitalOut(IOPORT_D,BIT_5 | BIT_4);
lcdcmd(0x38);
msdelay(10);
lcdcmd(0x0E);
msdelay(10);
lcdcmd(0x01);
msdelay(10);
lcdcmd(0x06);
msdelay(10);
lcdcmd(0x80);
return;
}
int main()
{
i=0;
lcdini();
DDPCON=0x0000;
mPORTDSetPinsDigitalIn(BIT_7|BIT_13|BIT_6); //Set Portd pins DigitalIn
mPORTASetPinsDigitalOut(BIT_0|BIT_1|BIT_2|BIT_3|BIT_4|BIT_5|BIT_6);
mPORTAClearBits(BIT_0|BIT_1|BIT_2|BIT_3|BIT_4|BIT_5|BIT_6);
mPORTASetPinsDigitalIn(BIT_7);
char x;
while(1)
{
switch(i) //Switch case to select function
{
case 0:
mode();
break;
case 1:
batteryv();
break;
case 2:
temps();
break;
}
if(i==3)
{
lcdcmd(0x01);
break;
}
}
}
void automode()
{
menudisplay();
int j=0;
lcdcmd(0xC0);
while(str5[j]!='\0')
{
lcddata(str5[j]);
j++;
}
while(PORTDbits.RD13==1&&PORTDbits.RD7==1);
if(PORTDbits.RD13==0)
{
PORTA=0xff;
delay(1000000);
}
else if(PORTDbits.RD7==0)
{
manualmode();
}
/* while(PORTDbits.RD6==1);
if(PORTDbits.RD6==0)
{
i++;
lcdcmd(0x01);
}*/
}
void sucessRx()
{
unsigned int i=0;
unsigned char c[]="ACCESS GRANTED";
lcdcmd(0x01);
DelayMs(10);
lcdcmd(0x80);
DelayMs(10);
while(c[i]!='\0')
{
lcdData(c[i]);
i++;
}
}
void unknown(void)
{
unsigned int i=0;
unsigned char c[]="ACCESS DENIED";
lcdcmd(0x01);
DelayMs(10);
lcdcmd(0x80);
DelayMs(10);
while(c[i]!='\0')
{
lcdData(c[i]);
i++;
}
}
void gotoXy(unsigned char x,unsigned char y)
{
if(x<40)
{
if(y) x|=0b01000000;
x|=0b10000000;
lcdcmd(x);
}
}
void gotoXy(unsigned char x, unsigned char y)
{
if(x<40)
{
if(y) // if not zero
x |= 0x40; // shift to 1st line (see page 19)
x |=0x80; // shift to left start position
lcdcmd(x);
}
}
void gotoXy(unsigned char x,unsigned char y)
{
if(x<40)
{
if(y) x |= 0x40;
x |=0x80;
lcdcmd(x);
}
}
void display_lcd (unsigned char location, unsigned char *d)
{
lcdcmd(0x80 | location);
delay(1);
while(*d)
{
lcddat(*d++);
}
}
void main(void)
{
unsigned int HI, LO, TOTAL;
unsigned char l, OV, OFR[16] = "Out Of Range...";
OV = 0;
T0 = 1;
TMOD = 0x05;
TL0 = 0;
TL1 = 0;
lcdinit();
while(1)
{
do
{
start: TR0 = 1;
MSDelay(145);
LO = TL0;
HI = TH0;
HI = HI << 8;
TOTAL = HI | LO;
Unit[0] = 'H';
Unit[1] = 'z';
Unit[2] = ' ';
Unit[3] = ' ';
if(OV == 1)
{
TOTAL = TOTAL / 1000;
TOTAL = TOTAL + 65;
if(TOTAL > 125)
{
for(l=0; l<16; l++)
lcddata(OFR[l]);
for(l=0; l<16; l++)
lcdcmd(0x10);
goto start;
}
OV = 0;
Unit[0] = 'K';
Unit[1] = 'H';
Unit[2] = 'z';
Unit[3] = ' ';
}
inttoLCD(TOTAL);
TL0 = 0;
TH0 = 0;
}
while(TF0 == 0);
OV = 1;
TR0 = 0;
TF0 = 0;
}
}
void lcdinit(void)
{
P6OUT &= ~RS; // RS=0 to send cmd
P6OUT &= ~EN; // EN=0 to disable
P6OUT |= 0x3; // Wakeup (0x30)
// waitlcd(40); // wait for 30ms
// 4-bits initialisation sequences
P6OUT |=EN; // enable
P6OUT &=~EN; // disable
// waitlcd(5); //
P6OUT |=EN; // enable
P6OUT &=~EN; // disable
// waitlcd(5); //
P6OUT |=EN; // enable
P6OUT &=~EN; // disable
// waitlcd(2); //
P6OUT &= 0xF2; // clear (0x02) - Return Home (see page 18)
P6OUT |=EN;
P6OUT &=~EN;
lcdcmd(0x28); // set data length 4 bit 2 line 5x8 dot (see page 19/20)
// waitlcd(250);
lcdcmd(0x0C); // set Display On; Cursor On; Blink On (see page 19)
// waitlcd(250);
lcdcmd(0x01); // Clear display (see page 18)
// waitlcd(250);
lcdcmd(0x06); // Entry mode set - cursor shift direction to right (see page 18)
// waitlcd(250);
lcdcmd(0x80); //set DDRAM address (see page 20)
// waitlcd(250);
__delay_cycles(10000);
}
void settemp()
{
int j,b,x,v;
j=0;
lcdcmd(0x01);
lcdcmd(0x80);
while(str7[j]!='\0')
{
lcddata(str7[j]);
j++;
}
x = keypad();
lcdcmd(0xC0);
lcddata(x+48);
delay(1000000000);
v = keypad();
lcdcmd(0xC1);
lcddata(v+48);
PORTA=0xff;
}
void mode() //Function for mode selection
{
int j;
j=0;
menudisplay();
lcdcmd(0xC0);
while(str1[j]!='\0')
{
lcddata(str1[j]);
j++;
}
delay(10000000);
while(PORTDbits.RD13==1&&PORTDbits.RD7==1); //Wait till any key press
if(PORTDbits.RD7==0)
{
i++;
lcdcmd(0x01);
}
else if(PORTDbits.RD13==0)
{
mode2();
}
}
void batteryv() //Function to display battery voltage
{
int j;
j=0;
menudisplay();
lcdcmd(0xC0);
while(str2[j]!='\0')
{
lcddata(str2[j]);
j++;
}
delay(10000000);
while(PORTDbits.RD13==1&&PORTDbits.RD7==1&&PORTDbits.RD6==1); //Wait till any key press
if(PORTDbits.RD7==0)
{
i++;
lcdcmd(0x01);
}
else if(PORTDbits.RD13==0)
{
PORTA=0xff;
delay(1000000);
PORTA=0x00;
while(PORTDbits.RD6==1);
if(PORTDbits.RD6==0)
{
lcdcmd(0x01);
}
}
else if(PORTDbits.RD6==0)
{
i--;
lcdcmd(0x01);
}
}
void clearLcd(void)
{
// Send command to LCD (0x01)
lcdcmd(0x01);
}
// Main routine
void main(void) {
OSCCON = 0x7C; // Internal Oscillator 16MHz Enabled
OSCTUNE = 0x5F;
OSCCON2bits.PLLRDY = 1;
VREFCON1 = 0xE0;
T2CON = 0x7B;
INTCONbits.GIE = 1; // Global, peripheral & timer 2 interrupt enable
INTCONbits.PEIE = 1;
PIE1bits.TMR2IE = 1;
PR2 = 0xff; // period registor 2 with max value
VREFCON2 = 0; // zero brightness
LED_DIR = 0; // LED pin on output
LED = 1;
lcdinit(); // Initialize LCD in 4bit mode, ultrasonic and brightness
lcdcmd(0x01);
initUltrasonic();
initBrightness();
LED = 0;
while(1)
{
readPIR();
if(resPIR)
{
pirIndicate();
readUltrasonic();
f1 = 0;
f2 = 1;
while(resUS < 100 && resUS > 10)
{
T2CONbits.TMR2ON = 1;
setBrightness();
if(f2)
{
lcdcmd(0x80);
sprintf(line1," Welcome ! ");
lcdstring(line1);
sprintf(line2," Chaitanya. ");
lcdcmd(0xc0);
lcdstring(line2);
msDelay(1000);
f2 = 0;
}
if(sec >= 60)
{
mn++;
sec = 0;
}
if(mn >= 60)
{
hr++;
mn = 0;
}
sprintf(line1," Study Time ");
sprintf(line2," %i:%i:%i ",hr,mn,sec);
lcdcmd(0x80);
lcdstring(line1);
lcdcmd(0xc0);
lcdstring(line2);
eventL();
eventL();
readUltrasonic();
f1 = 1;
}
T2CONbits.TMR2ON = 0;
if(f1)
{
sprintf(line1," Thank You ! ");
sprintf(line2," Good Bye...! ");
lcdcmd(0x80);
lcdstring(line1);
lcdcmd(0xc0);
lcdstring(line2);
msDelay(3000);
VREFCON2 = 0;
}
lcdcmd(0x01);
}
}
}
void main()
{
float Frequency, Percent, LowTime, HighTime, TotalDelayMilli, TotalDelayMicro;
unsigned int ConvHH, ConvLH, ValueH, ConvHL, ConvLL, ValueL;
unsigned char x, HighH, LowH, HighL, LowL;
unsigned char Freq[17] = "Freq: Hz", DutyC[17] = "Duty Cycle: %";
unsigned char colloc;
Status = 0;
KEYPAD = 0xF0; // make higher bits of keypad port that is column bits input and low row bits outputs
Clock = 0;
lcdcmd(0x38); // 2 lines and 5X7 matrix
lcdcmd(0x0C); // Display ON, Cursor Blinking = 0x0E But this command is Display ON, Cursor OFF
lcdcmd(0x01); // Clear Display Screen
lcdcmd(0x80); // Force Cursor to the beginning of the First Line
lcdcmd(0x06);
main:lcdcmd(0x01);
for(x = 0; x<16; x++)
lcddata(Freq[x]);
lcdcmd(0xC0);
for(x = 0; x<16; x++)
lcddata(DutyC[x]);
lcdcmd(0x80);
for(x=0; x<6; x++)
lcdcmd(0x16);
lcdcmd(0x0E);
Frequency = GetInput();
if(Frequency > 20000)
goto main;
lcdcmd(0x0C);
lcdcmd(0xC0);
for(x = 0; x<12; x++)
lcdcmd(0x16);
lcdcmd(0x0E);
Percent = GetInput();
lcdcmd(0x0C);
TotalDelayMilli = (1 / Frequency) * 1000;
TotalDelayMicro = (TotalDelayMilli * 1000) - 45; //With correction of 45
HighTime = (TotalDelayMicro / 100) * Percent;
LowTime = TotalDelayMicro - HighTime;
ValueH = 65536 - HighTime;
ConvLH = ValueH & 0x00FF; // Zeroing the Higher 8 bits to have Lower 8 bits
LowH = ConvLH; // Storing in a 8 bit character
ConvHH = ValueH & 0xFF00; // Masking the Lower 8 bits to have Higher 8 bits
ConvHH = ConvHH >> 8; // Shifting right 8 bits to hit to the Lower Part to save it to a 8-bit character
HighH = ConvHH; // Storing in a 8 bit character
ValueL = 65536 - LowTime;
ConvLL = ValueL & 0x00FF; // Zeroing the Higher 8 bits to have Lower 8 bits
LowL = ConvLL; // Storing in a 8 bit character
ConvHL = ValueL & 0xFF00; // Masking the Lower 8 bits to have Higher 8 bits
ConvHL = ConvHL >> 8; // Shifting right 8 bits to hit to the Lower Part to save it to a 8-bit character
HighL = ConvHL;
Status = 1;
while(1) //2 Machine Cycle
{
Clock = 1; //1 MC
TimerH(HighH, LowH);
Clock = 0;
TimerL(HighL, LowL);
colloc = KEYPAD; //2 MC
colloc &= 0xF0; //2 MC
if(colloc == 0xE0) //4 MC
{
MSDelay(5);
colloc = KEYPAD; //read the columns
colloc &= 0xF0; //mask unused bits
if(colloc == 0xE0)
{
Status = 0;
goto main;
}
}
}
} //main braces
