void getOptBuffering(int *k , double *h , double Length)
{
if (PARM(buffering_scheme) == MIN_DELAY)
{
if (PARM(shielding))
{
double r = computeResistance(Length);
double c_g = 2*computeGroundCapacitance(Length);
double c_c = 2*computeCouplingCapacitance(Length);
*k = (int) sqrt(((0.4*r*c_g)+(0.57*r*c_c))/
(0.7*BufferDriveResistance*BufferInputCapacitance)); //k is the number of buffers to be inserted
*h = sqrt(((0.7*BufferDriveResistance*c_g)+
(1.4*1.5*BufferDriveResistance*c_c))/(0.7*r*BufferInputCapacitance)); //the size of the buffers to be inserted
}
else
{
double r = computeResistance(Length);
double c_g = 2*computeGroundCapacitance(Length);
double c_c = 2*computeCouplingCapacitance(Length);
*k = (int) sqrt(((0.4*r*c_g)+(1.51*r*c_c))/
(0.7*BufferDriveResistance*BufferInputCapacitance));
*h = sqrt(((0.7*BufferDriveResistance*c_g)+
(1.4*2.2*BufferDriveResistance*c_c))/(0.7*r*BufferInputCapacitance));
}
}
else if (PARM(buffering_scheme)== STAGGERED)
{
double r = computeResistance(Length);
double c_g = 2*computeGroundCapacitance(Length);
double c_c = 2*computeCouplingCapacitance(Length);
*k = (int) sqrt(((0.4*r*c_g)+(0.57*r*c_c))/
(0.7*BufferDriveResistance*BufferInputCapacitance));
*h = sqrt(((0.7*BufferDriveResistance*c_g)+
(1.4*1.5*BufferDriveResistance*c_c))/(0.7*r*BufferInputCapacitance));
}
else
{
fprintf(stderr, "ERROR, Specified buffering scheme is not supported.\n");
exit(1);
}
}
int main(void)
{
bool bcm2835init = 0;
bool SPIinit = 0;
bcm2835_init();
AD5235_init();
int valueADCint = 0;
int valueDACint = 0;
double valueADC = 0;
double valueDAC = 0;
std::string input_K;
std::string input_T;
double K = 0.3;
double T = 2E-5;
//while (1)
//{
//std::cout << "K = ";
//std::cin >> K;
//computeResistance(1E-4, K);
//setRC();
//}
std::cout << "parameters for RC circuit:\n";
std::cout << "enter time constant (default: 2E-5): ";
std::getline(std::cin, input_T);
if (!input_T.empty())
{
T = std::stod(input_T, NULL);
std::cout << "T = " << T << "\n";
}
std::cout << "enter gain (default: 0.3): ";
std::getline(std::cin, input_K);
if (!input_K.empty())
{
K = std::stod(input_K, NULL);
}
std::cout << "\n";
computeResistance(T, K);
setRC();
//setR12(1023, 1023);
AD7840_init();
AD7484_init();
writeToDAC(0);
std::cout << "press enter to start simulation of PMDCM...";
std::cin.ignore();
//while (1)
//{
//writeToDAC(readADC());
//}
PMDCmotorIO();
//while (1)
//{
//std::cout << "set Vout: ";
//std::cin >> Vout;
//writeToDAC(Vout);
//}
std::cout << "done" << std::endl;
std::cin.ignore();
return 0;
}
