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USB08 Evaluation Board Designer Reference Manual

MOTOROLA Source Code Files 115

//----------------------------------------------------------------------------

char getSSCI() {

char c;

unsigned char n;

unsigned char ccr_save;

// ccr_save = getCCR(); // save current Interrupt Mask

// disableINTR(); // disable Interrupts

while(tstRxLvl()!=0) ; // wait for H-L transition

delayHalfBit();

n=8;

do { // get 8 Databits

delayBitTime();

c >>= 1;

if(tstRxLvl()!=0)

c |= 0x80;

} while(--n);

delayBitTime();

if(tstRxLvl()==0) { // check Rx Line during Stopbit

// add framing error

// handling if desired

}

delayHalfBit();

// setCCR(ccr_save); // restore previous Interrupt Mask

return c;

}

//============================================================================

Frees

cale Semiconductor,

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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