#include "pic.h";
__CONFIG (FOSC_INTOSC & BOREN_OFF & WDTE_OFF & PWRTE_OFF & MCLRE_OFF & CP_OFF & WRT_OFF & LVP_OFF);
#define PIN_CLC1        PORTA1
#define PIN_OE          PORTA3
#define TACQ            0x30
void main(void)
{
    // acquisition timer workspace
    char i;
   
    // initialization
    OSCCON = 0x70;  // 16 MHz
    LATA1  = 0;     // RA1 is freq output. Set latch output to 0.
    TRISA  = 0x0C;  // RA0,1 = outputs, RA2,3 = inputs
    ANSELA = 0x04;  // RA2 = analog input
   
    // CLC design output in C format
    #include "pass-through_C.inc";
    // set Fosc as NCO input and enable NCO
    // Note: Rev A of the data sheet has some clock source settings identified improperly
    //       See Errata document DS80529 for alternate clock clock source settings
    N1CKS1 = 0;
    N1CKS0 = 1;
    N1EN   = 1;
   
    // ADC: TAD = Fosc/32 (2 us), AN2 input, enabled
    ADCON  = 0x48; 
    ADON   = 1;
    while(1)
    {
        // switch output on
        LC1G1POL = 1;       
       
        // continue to read ADC and set NCO freq
        // as long as input pin is high
        while(PIN_OE == 1)
        {
            // wait for specified acquistion time
            for(i=TACQ;i!=0;i--);
            // start ADC and wait for result
            GO_nDONE = 1;
            while(GO_nDONE == 1);
            // if result is zero set minimum freq
            // otherwise set freq to ADC result
            if(ADRES == 0)
            {
                NCO1INCH = 0;
                NCO1INCL = 1;
            }
            else
            {
                NCO1INCH = ADRES;
                NCO1INCL = 0;
             }           
        }
       
        // input pin was low - switch output off
        LC1G1POL = 0;
        // wait for pin input high to restart
        while(PIN_OE == 0);
    }
}

// File: pass-through_C.inc
// Generated by CLC Designer, Version: 1.0.0.
// Date: 11/5/2012 8:08 AM
// Device:PIC10(L)F320/2
CLC1GLS0 = 0x00;
CLC1GLS1 = 0x08;
CLC1GLS2 = 0x00;
CLC1GLS3 = 0x00;
CLC1SEL0 = 0x50;
CLC1SEL1 = 0x00;
CLC1POL  = 0x01;
CLC1CON  = 0xC0;

#pragma config едиквоси=едиквоси

__CONFIG(нещоси)

#define PIN_CLC1        PORTAbits.RA1
#define PIN_OE          PORTAbits.RA3

#include "xc.h"

#define _XTAL_FREQ 16000000
#pragma config BOREN = OFF, LPBOR = OFF, WRT = OFF, FOSC = INTOSC, BORV = LO, MCLRE = OFF, WDTE = OFF, CP = OFF, LVP = OFF, PWRTE = OFF


void main(void)
{
    // initialization
    OSCCON = 0x70;  // 16 MHz
    TRISA  = 0x08;  // RA0,1,2 = outputs

    while(1)
    {
        PORTAbits.RA2 = 1;
        __delay_ms(500);
        PORTAbits.RA2 = 0;
        __delay_ms(500);
    }
}