/*  DAC Sin-wave Test        BY M.Kikuchi    2012/11/26
    Target   PIC12F1822      MikroC PRO V5.61
    Config 0x3F84:0x1613     Used Rom = 84 bytes
    Last mod  2012/12/1
*/

char     Rcont;
char     Sin_dat[]={
      20,25,28,31,31,31,28,25,20,16,            //5bits
      10,6,3,0,0,0,3,6,10,16,
};

void main() {
//    OSCCON=0b01101010;            // 4MHz
    OSCCON=0b01100010;            // 2MHz=2mSec
    TRISA =0b00000000;
    PORTA =0;
//
    DACCON0=0b11100000;
      /*  DACEN=1;
          DACLPS=1;
          DACOE =1;      b4=*
          DACPSS1_bit=0;              //+=VDD
          DACPSS0_bit=0; b1.b0=**
      */
    Rcont=0;
    while(1){                     //Loop sin
       Rcont++;
       if (Rcont==20)
           Rcont=0;
       else {
           asm nop;
           asm nop;
       }
       asm nop;                   //22+3
       asm nop;
       asm nop;
       DACCON1=Sin_dat[Rcont];    // 25cycles(1KHz)
    }
}