void interrupt low_priority InterruptServiceLow(void)
{
// Check to see what caused the interrupt
// (Necessary when more than 1 interrupt at a priority level)
// Check for Timer0 Interrupt
if (INTCONbits.TMR0IF)
{
INTCONbits.TMR0IF = 0; // clear (reset) flag
// Take an ADC conversion and use it to set Timer0
TMR0H = ADC_Convert(); // MSB from ADC
TMR0L = 0; // LSB = 0
// update display variable
if (Direction == LEFT2RIGHT)
{
LED_Display <<= 1; // rotate display by 1 from 0 to 7
if (LED_Display == 0)
LED_Display = 1; // rotated bit out, so set bit 0
}
else // (Direction == RIGHT2LEFT)
{
LED_Display >>= 1; // rotate display by 1 from 7 to 0
if (LED_Display == 0)
LED_Display = 0x80; // rotated bit out, so set bit 7
}
}
int main()
{
MCU_Init();
Timer1_Init();
Timer2_Init();
IO_Init();
ADC_Init();
Timer1_ON; //start 16 bit timer1
Timer2_ON; //start 16 bit timer2
ADC_ON; //turns on ADC module
while(1)
{
ADC_Convert();
}
}
void main(void) {
uchar display[6];
WDTCTL = WDTPW | WDTHOLD; // Stop watchdog timer
Clock1MHZ_Init();
ADC10_Init();
LCD1602_Init();
TLC5615_Init();
Button_Init();
__enable_interrupt();
ADC10_Enable();
while(1)
{
TLC5615_Convert((uint)(DA_Output * 512 / 3.555f));
__delay_cycles(50000);
NumberToString(display, ADC_Convert(ADC_Value[0]));
LCD1602_Show(0, 0, display);
__delay_cycles(50000);
}
}
void main (void)
{
LEDDirections Direction = LEFT2RIGHT;
BOOL SwitchPressed = FALSE;
LED_Display = 1; // initialize
// Init I/O
TRISD = 0b00000000; // PORTD bits 7:0 are all outputs (0)
TRISAbits.TRISA0 = 1; // TRISA0 input
INTCON2bits.RBPU = 0; // enable PORTB internal pullups
WPUBbits.WPUB0 = 1; // enable pull up on RB0
// ADCON1 is now set up in the InitADC() function.
TRISBbits.TRISB0 = 1; // PORTB bit 0 (connected to switch) is input (1)
// Init Timer0
Timer0_Init();
// Init ADC
ADC_Init();
while (1)
{
if (Direction == LEFT2RIGHT)
{
LED_Display <<= 1; // rotate display by 1 from 0 to 7
if (LED_Display == 0)
LED_Display = 1; // rotated bit out, so set bit 0
}
if (Direction == RIGHT2LEFT)
{
LED_Display >>= 1; // rotate display by 1 from 7 to 0
if (LED_Display == 0)
LED_Display = 0x80; // rotated bit out, so set bit 7
}
LATD = LED_Display; // output LED_Display value to PORTD LEDs
do
{ // poll the switch while waiting for the timer to roll over.
if (Switch_Pin == 1)
{ // look for switch released.
SwitchPressed = FALSE;
}
else if (SwitchPressed == FALSE) // && (Switch_Pin == 0) due to if-else
{ // switch was just pressed
SwitchPressed = TRUE;
// change direction
if (Direction == LEFT2RIGHT)
Direction = RIGHT2LEFT;
else
Direction = LEFT2RIGHT;
}
} while (INTCONbits.TMR0IF == 0);
// Timer expired
INTCONbits.TMR0IF = 0; // Reset Timer flag
// Take an ADC conversion and use it to set Timer0
TMR0H = ADC_Convert(); // MSB from ADC
TMR0L = 0; // LSB = 0
}
