N K / Mbed 2 deprecated analoghalls5_5

working-est copy with class-based code. still open loop

Dependencies:   mbed

Fork of analoghalls6 by N K

referencesynthesizers.cpp@5:ee1e6c84c302, 2015-03-03 (annotated)

Committer:
nki
Date:
Tue Mar 03 06:28:10 2015 +0000
Revision:
5:ee1e6c84c302
Parent:
3:0a2396597e0d
Child:
6:99ee0ce47fb2
hi there;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bwang 3:0a2396597e0d 1 #include "includes.h"
bwang 3:0a2396597e0d 2 #include "meta.h"
bwang 3:0a2396597e0d 3 #include "lut.h"
bwang 3:0a2396597e0d 4
bwang 3:0a2396597e0d 5 void SynchronousReferenceSynthesizer::GetReference(float angle, float *ref_d, float *ref_q) {
bwang 3:0a2396597e0d 6 *ref_d = _max_phase_current * LutSin(angle);
bwang 3:0a2396597e0d 7 *ref_q = 0.0f;
bwang 3:0a2396597e0d 8 }
bwang 3:0a2396597e0d 9
bwang 3:0a2396597e0d 10 float ReferenceSynthesizer::LutSin(float theta) {
bwang 3:0a2396597e0d 11 if (theta < 0.0f) theta += 360.0f;
bwang 3:0a2396597e0d 12 if (theta >= 360.0f) theta -= 360.0f;
nki 5:ee1e6c84c302 13 return (sinetab[(int) theta]*2)-1.0f; //shift range 0:1 to -1:1
bwang 3:0a2396597e0d 14 }
bwang 3:0a2396597e0d 15
bwang 3:0a2396597e0d 16 float ReferenceSynthesizer::LutCos(float theta) {
bwang 3:0a2396597e0d 17 return LutSin(90.0f - theta);
bwang 3:0a2396597e0d 18 }