Lime Microsystems LMS7002MR3 - Page 78

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//----------------------------------------------------------------------------
// Write data to the chip:
// First byte: Command, SPI module address, register address
// Second byte: Data
//----------------------------------------------------------------------------
void SPI_Write(unsigned int COMMAND, unsigned int DATA)
{
//Write Command, Address
for(int i=15; i>=0; i--)
{
if(i’th bit in COMMAND is ‘1’)
{
Set Data Output line to ‘1’;
}
else
{
Set Data Output line to ‘0’;
};
Apply Rising and Falling CLK signal edges to CLK line;
};
//Write Data
for(int i=15; i>=0; i--)
{
if(i’th bit in DATA is ‘1’)
{
Set Data Output line to ‘1’;
}
else
{
Set Data Output line to ‘0’;
};
Apply Rising and Falling CLK signal edges to CLK line;
};
};