vect_dsp16_add_and_saturate.c File Reference

---

Detailed Description

generic 16-bit addition function

• Compiler: IAR EWAVR32 and GNU GCC for AVR32
• Supported devices: All AVR32 devices.
• AppNote:

Author:

Atmel Corporation: http://www.atmel.com
Support and FAQ: http://support.atmel.no/

Definition in file vect_dsp16_add_and_saturate.c.

#include "dsp.h"
#include "preprocessor.h"

Go to the source code of this file.

Defines
#define	DSP16_ADD_KERNEL_X_FCT(x_num, data)
#define	DSP16_ADDITION(x_num, data)
Functions
void	dsp16_vect_add_and_sat (dsp16_t *vect1, dsp16_t *vect2, dsp16_t *vect3, int size)
	16-bit fixed point version of the vector additon function.

---

Define Documentation

#define DSP16_ADD_KERNEL_X_FCT	(	x_num,
		data		)

Value:

static void TPASTE2(dsp16_vect_add_kernel_x, x_num)(dsp16_t *vect1, dsp16_t *vect2, dsp16_t *vect3) \
{ \
  MREPEAT(x_num, DSP16_ADDITION, ""); \
}

Definition at line 66 of file vect_dsp16_add_and_saturate.c.

#define DSP16_ADDITION	(	x_num,
		data		)

Value:

{ \
  S32 temp = vect2[x_num] + vect3[x_num]; \
  if (temp > DSP_Q_MAX(DSP16_QA, DSP16_QB)) \
    vect1[x_num] = DSP_Q_MAX(DSP16_QA, DSP16_QB); \
  else if (temp < DSP_Q_MIN(DSP16_QA, DSP16_QB)) \
    vect1[x_num] = DSP_Q_MIN(DSP16_QA, DSP16_QB); \
  else \
    vect1[x_num] = (dsp16_t) temp; \
}

Definition at line 52 of file vect_dsp16_add_and_saturate.c.