// OUTPUTS
#define GEN_CONT PORTE.f2
#define LED PORTB.f2
#define MAIN_CONT PORTC.F0
#define CHOWK PORTC.F1
#define IGNITION PORTC.F2
#define SELF PORTC.F3
// INPUTS
#define GEN PORTA.F0
#define MAIN PORTA.F1
#define ENTER PORTD.F0
#define RESET PORTD.F1
#define UP PORTD.F2
#define DOWN PORTD.F3
//CONSTANTS
#define T 100 //DELAYS
#define P 1 //FOR MAIN AND GEN INPUTS
#define A 0 //FOR MAIN AND GEN INPUTS
sbit LCD_RS at RD5_bit;
sbit LCD_EN at RD4_bit;
sbit LCD_D4 at RC4_bit;
sbit LCD_D5 at RC5_bit;
sbit LCD_D6 at RC6_bit;
sbit LCD_D7 at RC7_bit;
sbit LCD_RS_Direction at TRISD5_bit;
sbit LCD_EN_Direction at TRISD4_bit;
sbit LCD_D4_Direction at TRISC4_bit;
sbit LCD_D5_Direction at TRISC5_bit;
sbit LCD_D6_Direction at TRISC6_bit;
sbit LCD_D7_Direction at TRISC7_bit;
unsigned char cnt;
void interrupt()
{
if(TMR0IF_bit)
{ cnt++;
TMR0IF_bit=0;
if(cnt>=10)
{
LED=~LED;
cnt=0;
}
TMR0=0;
}
}
void gen(void);
void start(void);
void main()
{
unsigned int i=0,x=0,j=0; //i=loops ; x=passward ; J=While lock
//..............INITIALIZATIONS............................................
/* ANSEL = 0; // Configure AN pins as digital I/O
ANSELH = 0;
C1ON_bit = 0; // Disable comparators
C2ON_bit = 0; */
// CONFIGURING SFRs:
cnt=0;
TMR0=0; // loading vlaue of timer0 interrupt
OPTION_REG=0x87; // for timer 0; presscaller 1; 256
ADCON1=0x06; // adc reg initialization
INTCON=0xA0; // for timer0 ; interrupt reg initilization
// STATUS.F7=0;
//STATUS.IRP=0;
//asm BCF STATUS,IRP
// OUTPUTS:
TRISB.f2 = 0x00; //led out put
TRISE.F2=0; // gen cont output
TRISC=0x00; // portC output For LCD
PORTC=0X00; // initilization port c
// INPUTS:
TRISD.F0=0XFF; // ENTER
TRISD.F1=0XFF; // RESET
TRISD.F2=0XFF; // UP
TRISD.F3=0XFF; // DOWN
TRISA = 0xff; // port A as input
// TRISD.F4=0XFF; ALREADY DIRECTED AT LCD INITILIZATION
// TRISD.F5=0XFF;
//................................................................................
lcd_init();
Delay_ms(500);
if(MAIN==P) // if main is Present.
{
start();
}
while(1)
{
/* if(ENTER==0)
{
Lcd_Cmd(_LCD_CLEAR); // Clear display
Lcd_Cmd(_LCD_CURSOR_OFF);
Lcd_Out(1,1,"Enter Passward");
while(ENTER==0)
{
Lcd_Out(1,x,"Enter Passward");
Lcd_Out(1,1,j);
}
Delay_ms(1000);
} */
if(MAIN==A) // if main is absent.
{
Delay_ms(4000); // wait for 4 seconds to ensure power failure
if(MAIN==P) //check again
continue;
//Delay_ms(1000);
Lcd_Cmd(_LCD_CLEAR); // Clear display
Lcd_Cmd(_LCD_CURSOR_OFF);
Lcd_Out(1,1,"Mains Not Avail");
Lcd_Out(2,1,"Starting Genset");
Delay_ms(1000);
gen();
}
else // if main is present .........
{
Lcd_Cmd(_LCD_CLEAR); // Clear display
Lcd_Cmd(_LCD_CURSOR_OFF);
Lcd_Out(1,1,"Mains ok.."); // Write text in first row
Lcd_Out(2,1,"Mains Overload");
Delay_ms(2000);
// GEN_CONT=0; //Turn off generator contactor
//MAIN_CONT=1; //Turn on main contactor
Lcd_Cmd(_LCD_CLEAR); // Clear display
Lcd_Out(1,3,"Shenztech"); // Write text in first row
Lcd_Out(2,4,"Pvt Ltd");
Delay_ms(1000);
}
for(i=0; i<96; i++)
{
Lcd_Cmd(_LCD_SHIFT_RIGHT);
Delay_ms(T);
if(MAIN==A)
{
i=96;
}
}
} // while
} // main
//..............................;;;;;;;.........................................
void gen()
{
int i;
MAIN_CONT=0;
IGNITION=1;
Delay_ms(2000);
CHOWK=1;
Delay_ms(5000);//Chowk on for 5 seconds
CHOWK=0;
for(i=0; i<3; i++)
{
if(i==2)
{
CHOWK=1;
Delay_ms(5000);//Chowk on for 5 seconds
CHOWK=0;
}
SELF=1;
Delay_ms(2000); //self on for 2 seconds
SELF=0;
Delay_ms(4000); //self off for 4 seconds
if(MAIN==P) //if Main resumes
{
i=3;
GEN_CONT=0;
IGNITION=0;
SELF=0;
Delay_ms(2000); //self on for 2 seconds
MAIN_CONT=1;
}
if(GEN==P) //if generator ON
{
i=3;
}
}
if(GEN==P && MAIN==A) // if generator ON
{
Delay_ms(1000);
Lcd_Cmd(_LCD_CLEAR); // Clear display
Lcd_Cmd(_LCD_CURSOR_OFF);
Lcd_Cmd(_LCD_MOVE_CURSOR_RIGHT);
Lcd_Out(1,1,"Warming Up..."); // Write text in first row
Delay_ms(5000);
GEN_CONT=1; // transfer load on genset after warmup
Delay_ms(300);
Lcd_Cmd(_LCD_CLEAR); // Clear display
Lcd_Cmd(_LCD_CURSOR_OFF);
Lcd_Cmd(_LCD_MOVE_CURSOR_RIGHT);
Lcd_Out(1,1,"frequency volts"); // Write text in first row
Lcd_Out(2,1," . Hz . V");
// lcd_init();
Delay_ms(2000);
}
else
if(GEN==A && MAIN==A) // if generator is still off; i.e; can't start
{
Delay_ms(1000);
Lcd_Cmd(_LCD_CLEAR); // Clear display
Lcd_Cmd(_LCD_CURSOR_OFF);
Lcd_Cmd(_LCD_MOVE_CURSOR_RIGHT);
Lcd_Out(1,2,"< ERROR >");
Lcd_Out(2,1,"Fails to start.."); // Write text in first row
IGNITION=0; //Turn off the genset
MAIN_CONT=0;
while(MAIN==A && GEN==A); //stuck here untill reset/restart the controller board (IF main and generator both are absent)
Lcd_Cmd(_LCD_CLEAR); // Clear display
Lcd_Cmd(_LCD_CURSOR_OFF);
}
for(;MAIN==A;) //untill main absent
{
if (MAIN==A) // if main absent
GEN_CONT=1; // Turn on generator contactor
MAIN_CONT=0; // Turn off main contactor
while(MAIN==A); // stay here until main resumes
if (MAIN==P) //if main presents or after main resumes
{
GEN_CONT=0;
Delay_ms(1000);
IGNITION=0; //Turn off the genset
Delay_ms(2000);
MAIN_CONT=1;
Lcd_Cmd(_LCD_CLEAR); // Clear display
Lcd_Out(1,3,"Shenztech"); // Write text in first row
Lcd_Out(2,4,"Pvt Ltd");
}
}
}
void start()
{
//STATUS.IRP=1;
// asm BSF STATUS,RP1
// asm BSF STATUS,RP0 // ACCESS BANK 2
GEN_CONT=0;
MAIN_CONT=0;
Lcd_Cmd(_LCD_CLEAR); // Clear display
Lcd_Cmd(_LCD_CURSOR_OFF);
Lcd_Out(1,1,"Mains ok.."); // Write text in first row
Lcd_Out(2,1,"Please Wait.....");
Delay_ms(3000);
MAIN_CONT=1;
Lcd_Cmd(_LCD_CLEAR); // Clear display
Lcd_Cmd(_LCD_CURSOR_OFF);
Lcd_Out(1,1,"Mains ok.."); // Write text in first row
Lcd_Out(2,1,"Mains Overload");
Delay_ms(2000);
Lcd_Cmd(_LCD_CLEAR); // Clear display
Lcd_Cmd(_LCD_CURSOR_OFF); // Cursor off
Lcd_Out(1,3,"Shenztech"); // Write text in first row
Lcd_Out(2,4,"Pvt Ltd");
}