N K
/
analoghalls6
motor spins
Fork of analoghalls5 by
referencesynthesizers.cpp@6:99ee0ce47fb2, 2015-03-04 (annotated)
- Committer:
- nki
- Date:
- Wed Mar 04 15:33:32 2015 +0000
- Revision:
- 6:99ee0ce47fb2
- Parent:
- 5:ee1e6c84c302
3/4;
Who changed what in which revision?
User | Revision | Line number | New 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 | 6:99ee0ce47fb2 | 13 | return sinetab[(int) theta] * 2.0f - 1.0f; |
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 | } |