14 lines
319 B
C++
14 lines
319 B
C++
|
#include "generator.h"
|
||
|
|
||
|
extern "C" const int16_t sin_tab[0x100];
|
||
|
|
||
|
int16_t Generator::step() {
|
||
|
const int16_t v = sin_tab [base >> 24];
|
||
|
base += freq;
|
||
|
return v;
|
||
|
}
|
||
|
unsigned int Generator::Send(uint16_t * const ptr, const unsigned int len) {
|
||
|
for (unsigned n=0u; n<len; n++) ptr [n] = 3000u + step();
|
||
|
return len;
|
||
|
}
|