int calculateRow( unsigned long column ) {
OutputLow(Y1);
OutputHigh(Y2);
OutputHigh(Y3);
OutputHigh(Y4);
if ( column & ~__PIO_PDSR )
return 1;
OutputHigh(Y1);
OutputLow(Y2);
if ( column & ~__PIO_PDSR )
return 2;
OutputHigh(Y2);
OutputLow(Y3);
if ( column & ~__PIO_PDSR )
return 3;
OutputHigh(Y3);
OutputLow(Y4);
if ( column & ~__PIO_PDSR )
return 4;
return 5;
}
void C_ROULETTE::SetRotSpeed(int speed)
{
if(speed <= 0)
{
Stop();
}
else if(speed < 10)
{
int swFlag = speed - 1;
for(U32 j=0;j<4;j++)
{
if(swFlag & (1 << j))
{
OutputHigh(Switches[j]);
}
else
{
OutputLow(Switches[j]);
}
}
OutputHigh(MOTOR_POWER);
currentSpeed = speed;
}
}
void C_ROULETTE::Stop()
{
currentSpeed = 0;
OutputLow(MOTOR_POWER);
}
static void PullRowsLow( void ){
OutputLow( Y1 );
OutputLow( Y2 );
OutputLow( Y3 ); /* In error */
OutputLow( Y4 );
}