SD16 Help

[jsolarski 94]

its finally working like its supposed to now!!
thanks for all the help so far

Test code

/*****************************************************************************/

//Author- Justin Solarski

//Copyright 2011 justinstech.org



#include 



/*****************************************************************************/



volatile unsigned int results = 0;

/*****************************************************************************/





/*****************************************************************************/



void main(void) {

WDTCTL = WDTPW + WDTHOLD; // Stop WDT

//basic clock settings

DCOCTL = CALDCO_1MHZ;

BCSCTL1 = CALBC1_1MHZ;

BCSCTL2 |= DIVS_3;        //divide smclk/8 125000Hz



//GPIO setup 

P2DIR |= BIT7;

P1DIR |= BIT6;



//sd16 settings 

 SD16CTL = SD16REFON + SD16SSEL_1;         // 1.2V ref, SMCLK

 //SD16CTL |= SD16XDIV_3;                     // clk/48 2604hz 

 SD16INCTL0 = SD16INCH_0;                  // A1+/- P1.2

 SD16CCTL0 =  SD16IE;                      // 256OSR, bipolar offset, interrupt enable

 SD16AE = SD16AE0;                         // P1.1 A1+, A1- = VSS

 SD16CCTL0 |= SD16SC;                      // Set bit to start conversion





_BIS_SR(LPM0_bits + GIE);

}

/*****************************************************************************/

//         SD16 ISR 

#define THRSHMAX 0xc000 // not used yet

#define THRSHMIN 0x4000 // not used yet



__attribute__((interrupt(SD16_VECTOR)))

void Sd16_Isr(void){  // 0000 - FFFF     -- 8000 = halfway point or 1.2V

//P1DIR ^= BIT6;

results = SD16MEM0;

 if (results < 0x4000) {  //results is less then 0x4000

 P1OUT |= BIT6; }

 else if ( results > 0xc000) { // results greater then 0x9000

 P1OUT |= BIT6; }

 else { P1OUT = 0; }





}