Embedded Software and Motor Control Libraries for PXR40xx

Function GMCLIB_Clark_F16
4.94.5 Re-entrancy
The function is re-entrant.
4.94.6 Code Example
#include "gmclib.h"
SWLIBS_3Syst_F32 f32trAbc;
SWLIBS_2Syst_F32 f32trAlBe;
void main(void)
{
// input value
f32trAbc.f32Arg1 = FRAC32 (0.707106781); // input phase A ~ sin(45) ~
0.707106781
f32trAbc.f32Arg2 = FRAC32 (0.258819045); // input phase B ~ sin(45 +
120) ~ 0.258819045
f32trAbc.f32Arg3 = FRAC32 (-0.965925826); // input phase C ~ sin(45 -
120) ~ -0.965925826
// output should be f32trAlBe.f32Arg1 ~ alpha = 0x5A827999 ~
FRAC32(0.707106781)
// output should be f32trAlBe.f32Arg2 ~ beta = 0x5A827999 ~
FRAC32(0.707106781)
GMCLIB_Clark_F32 (&f32trAlBe,&f32trAbc);
// output should be f32trAlBe.f32Arg1 ~ alpha = 0x5A827999 ~
FRAC32(0.707106781)
// output should be f32trAlBe.f32Arg2 ~ beta = 0x5A827999 ~
FRAC32(0.707106781)
GMCLIB_Clark (&f32trAlBe,&f32trAbc,Define F32);
// ##############################################################
// Available only if 32-bit fractional implementation selected
// as default
// ##############################################################
// output should be f32trAlBe.f32Arg1 ~ alpha = 0x5A827999 ~
FRAC32(0.707106781)
// output should be f32trAlBe.f32Arg2 ~ beta = 0x5A827999 ~
FRAC32(0.707106781)
GMCLIB_Clark (&f32trAlBe,&f32trAbc);
}
4.95 Function GMCLIB_Clark_F16
The function implements the Clarke transformation.
4.95.1 Declaration
void GMCLIB_Clark_F16(SWLIBS_2Syst_F16 *const pOut, const SWLIBS_3Syst_F16 *const pIn);
Embedded Software and Motor Control Libraries for PXR40xx, Rev. 1.0
450 Freescale Semiconductor, Inc.