Embedded Software and Motor Control Libraries for PXR40xx

Function GMCLIB_ClarkInv_F16
4.97.5 Re-entrancy
The function is re-entrant.
4.97.6 Code Example
~ 0.707106781
0.707106781
#include "gmclib.h"
SWLIBS_2Syst_F32 f32trAlBe;
SWLIBS_3Syst_F32 f32trAbc;
void main(void)
{
// input value
f32trAlBe.f32Arg1 = FRAC32 (0.707106781); // input phase alpha ~ sin(45)
f32trAlBe.f32Arg2 = FRAC32 (0.707106781); // input phase beta ~ cos(45) ~
// output should be f32trAbc.f32Arg1 ~ phA = 0x5A827999 ~
FRAC32(0.707106781)
// output should be f32trAbc.f32Arg2 ~ phB = 0x2120FB83 ~
FRAC32(0.258819045)
// output should be f32trAbc.f32Arg3 ~ phC = 0x845C8AE5 ~
FRAC32(-0.965925826)
GMCLIB_ClarkInv_F32 (&f32trAbc,&f32trAlBe);
// output should be f32trAbc.f32Arg1 ~ phA = 0x5A827999 ~
FRAC32(0.707106781)
// output should be f32trAbc.f32Arg2 ~ phB = 0x2120FB83 ~
FRAC32(0.258819045)
// output should be f32trAbc.f32Arg3 ~ phC = 0x845C8AE5 ~
FRAC32(-0.965925826)
GMCLIB_ClarkInv (&f32trAbc,&f32trAlBe,Define F32);
// ##############################################################
// Available only if 32-bit fractional implementation selected
// as default
// ##############################################################
// output should be f32trAbc.f32Arg1 ~ phA = 0x5A827999 ~
FRAC32(0.707106781)
// output should be f32trAbc.f32Arg2 ~ phB = 0x2120FB83 ~
FRAC32(0.258819045)
// output should be f32trAbc.f32Arg3 ~ phC = 0x845C8AE5 ~
FRAC32(-0.965925826)
GMCLIB_ClarkInv (&f32trAbc,&f32trAlBe);
}
4.98 Function GMCLIB_ClarkInv_F16
The function implements the inverse Clarke transformation.
Embedded Software and Motor Control Libraries for PXR40xx, Rev. 1.0
456 Freescale Semiconductor, Inc.