int decode_frequency(
pbs_attribute *patr,
const char *name, /* pbs_attribute name */
const char *rescn, /* resource name, unused here */
const char *val, /* pbs_attribute value */
int perm) /* only used for resources */
{
patr->at_val.at_frequency.frequency_type = Invalid;
patr->at_val.at_frequency.mhz = 0;
if ((val != NULL) && (val[0] != '\0'))
{
if (to_frequency(val, &patr->at_val.at_frequency) != 0)
{
return(PBSE_BADATVAL);
}
patr->at_flags |= ATR_VFLAG_SET | ATR_VFLAG_MODIFY;
}
else
{
patr->at_flags = (patr->at_flags & ~ATR_VFLAG_SET) | ATR_VFLAG_MODIFY;
}
return(0);
}
#include "music_utils.hpp"
float to_frequency(int note)
{
note -= 10;
return 440.0 * pow(2.0, (double)note / 12.0);
}
std::unordered_map<int, double> scale
{
{ 1, to_frequency(1) },
{ 2, to_frequency(3) },
{ 3, to_frequency(5) },
{ 4, to_frequency(6) },
{ 5, to_frequency(8) },
{ 6, to_frequency(10) },
{ 7, to_frequency(12) },
};
