How do you show the motor operation toggle on an LCD (Motor:ON , Motor:OFF). Using an interrupt to toggle motor operation however cannot display the messages properly and cannot figure it out any help would be greatly appreciated.
This is the code so far:
#define Relayswitch RB0 //renames port B0 as But1
#define CounterON RB1 //renames port B1 as But2
#define Reset RB2 //renames port B2 as But3
#define RELAY RA0 //renames port A0 as RELAY
//declare function prototypes
void interrupt ext0_ISR(void);
//end function declares
void main(void)
{
TRISB=0x0F; //Sets port B as Inputs
TRISA=0x00; //Sets port A as outputs
TRISD=0x00; //Sets port D as Outputs
ADCON1 = 0x06; //ensure port A configured for digital IO
PORTA=0; //Clears Port A
PORTB=0; //Clears Port B
PORTD=0; //Clears Port D
INTE = 1; //RB0 interrupt enable
PEIE = 1; //Peripheral interrupt enable
GIE = 1; //Global interrupt enable
INTEDG = 0; // interrupt on falling edge
init_LCD(); //function to initialise LCD
LCD_function(0x0C); //function to turn LCD on
unsigned char counter; //Stores counter in memory
while (1) //continuous loop
{
}
void interrupt ext0_ISR(void)
{
if (INTF && INTE) //ensure interrupt generated by transition on RB0
{
delay_ms(10); //delay 10ms for contact bounce elimination
if (Relayswitch == 0) //test if button still pressed
{
RELAY = RELAY^1; //YES - Toggle motor control
}
while (!Relayswitch){}; //do nothing while button is still pressed
}
INTF = 0; //clear interrupt flag
}
