Embedded Software and Motor Control Libraries for PXR40xx

Function GMCLIB_ClarkInv_F32
4.96.5 Re-entrancy
The function is re-entrant.
4.96.6 Code Example
0.258819045
-0.965925826
#include "gmclib.h"
SWLIBS_3Syst_FLT flttrAbc;
SWLIBS_2Syst_FLT flttrAlBe;
void main(void)
{
// input value
flttrAbc.fltArg1 = 0.707106781; // input phase A ~ sin(45) ~ 0.707106781
flttrAbc.fltArg2 = 0.258819045; // input phase B ~ sin(45 + 120) ~
}
flttrAbc.fltArg3 = -0.965925826; // input phase C ~ sin(45 - 120) ~
// output should be flttrAlBe.fltArg1 ~ alpha = 0.707106781
// output should be flttrAlBe.fltArg2 ~ beta = 0.707106781
GMCLIB_Clark_FLT (&flttrAlBe,&flttrAbc);
// output should be flttrAlBe.fltArg1 ~ alpha = 0.707106781
// output should be flttrAlBe.fltArg2 ~ beta = 0.707106781
GMCLIB_Clark (&flttrAlBe,&flttrAbc,Define FLT);
// ##############################################################
// Available only if single precision floating point
// implementation selected as default
// ##############################################################
// output should be flttrAlBe.fltArg1 ~ alpha = 0.707106781
// output should be flttrAlBe.fltArg2 ~ beta = 0.707106781
GMCLIB_Clark (&flttrAlBe,&flttrAbc);
4.97 Function GMCLIB_ClarkInv_F32
The function implements the inverse Clarke transformation.
4.97.1 Declaration
void GMCLIB_ClarkInv_F32(SWLIBS_3Syst_F32 *const pOut, const SWLIBS_2Syst_F32 *const pIn);
Embedded Software and Motor Control Libraries for PXR40xx, Rev. 1.0
454 Freescale Semiconductor, Inc.