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Embedded Software and Motor Control Libraries for PXR40xx

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0.88};<br />

tFloat pfltTable2D[81] = {0.0, 0.01, 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08,<br />

0.1, 0.11, 0.12, 0.13, 0.14, 0.15, 0.16, 0.17, 0.18,<br />

0.2, 0.21, 0.22, 0.23, 0.24, 0.25, 0.26, 0.27, 0.28,<br />

0.3, 0.31, 0.32, 0.33, 0.34, 0.35, 0.36, 0.37, 0.38,<br />

0.4, 0.41, 0.42, 0.43, 0.44, 0.45, 0.46, 0.47, 0.48,<br />

0.5, 0.51, 0.52, 0.53, 0.54, 0.55, 0.56, 0.57, 0.58,<br />

0.6, 0.61, 0.62, 0.63, 0.64, 0.65, 0.66, 0.67, 0.68,<br />

0.7, 0.71, 0.72, 0.73, 0.74, 0.75, 0.76, 0.77, 0.78,<br />

0.8, 0.81, 0.82, 0.83, 0.84, 0.85, 0.86, 0.87,<br />

void main(void)<br />

{<br />

// setting parameters <strong>for</strong> Lut2D function<br />

trfltMyLut2D.pfltTable = &(pfltTable2D[40]);<br />

trfltMyLut2D.s32ShamOffset1 = 3;<br />

trfltMyLut2D.s32ShamOffset2 = 3;<br />

// input vector = 0.5<br />

fltIn1 = 0.5;<br />

fltIn2 = 0.5;<br />

}<br />

// output should be 0.88<br />

fltOut = GFLIB_Lut2D_FLT (fltIn1,fltIn2,&trfltMyLut2D);<br />

// output should be 0.88<br />

fltOut = GFLIB_Lut2D (fltIn1,fltIn2,&trfltMyLut2D,Define FLT);<br />

// ##############################################################<br />

// Available only if single precision floating point<br />

// implementation selected as default<br />

// ##############################################################<br />

// output should be 0.88<br />

fltOut = GFLIB_Lut2D (fltIn1,fltIn2,&trfltMyLut2D);<br />

4.73 Function GFLIB_Ramp_F32<br />

The function calculates the up/down ramp with the step increment/decrement defined in<br />

the pParam structure.<br />

4.73.1 Declaration<br />

tFrac32 GFLIB_Ramp_F32(tFrac32 f32In, GFLIB_RAMP_T_F32 *const pParam);<br />

4.73.2 Arguments<br />

Table 4-94. GFLIB_Ramp_F32 arguments<br />

Type Name Direction Description<br />

tFrac32 f32In input Input argument representing the desired output value.<br />

GFLIB_RAMP_T_F32<br />

*const<br />

pParam input,<br />

output<br />

Pointer to the ramp parameters structure.<br />

<strong>Embedded</strong> <strong>Software</strong> <strong>and</strong> <strong>Motor</strong> <strong>Control</strong> <strong>Libraries</strong> <strong>for</strong> <strong>PXR40xx</strong>, Rev. 1.0<br />

Chapter 4 API References<br />

Freescale Semiconductor, Inc. 387

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