LPF.h

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/* This example accompanies the books
   "Embedded Systems: Introduction to ARM Cortex M Microcontrollers",
      ISBN: 978-1469998749, Jonathan Valvano, copyright (c) 2020
   "Embedded Systems: Real Time Interfacing to ARM Cortex M Microcontrollers",
      ISBN: 978-1463590154, Jonathan Valvano, copyright (c) 2020
   "Embedded Systems: Real-Time Operating Systems for ARM Cortex-M Microcontrollers",
      ISBN: 978-1466468863, Jonathan Valvano, copyright (c) 2020
 
 Copyright 2020 by Jonathan W. Valvano, valvano@mail.utexas.edu
    You may use, edit, run or distribute this file
    as long as the above copyright notice remains
 THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
 OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
 VALVANO SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL,
 OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
 For more information about my classes, my research, and my books, see
 http://users.ece.utexas.edu/~valvano/
 */
#include <stdint.h>
uint32_t sqrt2(uint32_t s);
 
void LPF_Init(int32_t initial, int32_t size);
 
int32_t LPF_Calc(int32_t newdata);
int32_t Noise1(void);
 
void LPF_Init2(int32_t initial, int32_t size);
int32_t LPF_Calc2(int32_t newdata);
int32_t Noise2(void);
void LPF_Init3(int32_t initial, int32_t size);
 
int32_t LPF_Calc3(int32_t newdata);
int32_t Noise3(void);
 
void LPF_Init4(int32_t initial, int32_t size);
 
int32_t LPF_Calc4(int32_t newdata);
int32_t Noise4(void);
 
void LPF_Init5(int32_t initial, int32_t size);
 
int32_t LPF_Calc5(int32_t newdata);
int32_t Noise5(void);
void LPF_Init6(int32_t initial, int32_t size);
 
int32_t LPF_Calc6(int32_t newdata);
int32_t Noise6(void);
 
void LPF_Init7(int32_t initial, int32_t size);
 
int32_t LPF_Calc7(int32_t newdata);
int32_t Noise7(void);
 
int32_t Median(int32_t newdata);
 
int32_t Median5(int32_t newdata);
 
int32_t Median7(int32_t newdata);
 
 int32_t Filter(int32_t data);