{

};

spi_data = SPDR;

// Reset SPIF

/*additional bytes can be sent here for multibyte write, e.g., write_DTR*/

Slave_Select_High;

// Switch SS/ high for end of command

}

void singleByteRead(unsigned char op_code)

//single byte read command

{

unsigned char spi_data;

Slave_Select_High;

// deselect the the LS7366

Slave_Select_Low;

// Switch SS/ low for new command

SPDR = op_code;

// send op_code for read to LS7366

while (!(SPSR & (1<<SPIF)))

// Wait for end of transmission

{

};

spi_data = SPDR;

// Reset SPIF

SPDR = 0xFF;

// Start dummy transmission to read data from LS7366

while (!(SPSR & (1<<SPIF)))

// Wait for end of the transmission

{

};

spi_data = SPDR;

// Reset SPIF

/*additional bytes can be received here for multibyte read, e.g., read_OTR*/

Slave_Select_High;

// Switch SS/ high for end of command

return spi_data;

}

//following example instantiates all macros defined above

int main(void)

{

init_spi_master;

load_rst_reg(CLR_CNTR);

singleByteWrite(WRITE_MDR0, QUADRX4|FREE_RUN|INDX_LOADC|SYNCH_INDX|FILTER_2);

singleByteWrite(WRITE_MDR1, IDX_FLAG|CMP_FLAG|BYTE_2|EN_CNTR);

singleByteRead(READ_MDR0);

singleByteRead(READ_MDR1);

return 0;

}

7366R-080511-17