The foxBMS secondary mcu API documentation
foxmath.h File Reference

math library for often used math functions More...

#include "general.h"
#include <math.h>
#include <stdlib.h>
#include <float.h>
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Macros

#define MINDIFF   2.25e-308
 

Functions

float MATH_linearInterpolation (float x1, float y1, float x2, float y2, float x_interpolate)
 Linear inter-/extrapolates a third point according to two given points. More...
 
uint16_t MATH_swapBytes_uint16_t (uint16_t val)
 Swap bytes of uint16_t value. More...
 
uint32_t MATH_swapBytes_uint32_t (uint32_t val)
 Swap bytes of uint32_t value. More...
 
uint64_t MATH_swapBytes_uint64_t (uint64_t val)
 Swap bytes of uint64_t value. More...
 

Detailed Description

math library for often used math functions

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Author
foxBMS Team
Date
18.01.2018 (date of creation)
Module-prefix MATH

This header file contains the different math function declarations. Currently the following functions are supported:

  • Slope
  • Linear interpolation

Macro Definition Documentation

◆ MINDIFF

#define MINDIFF   2.25e-308

Function Documentation

◆ MATH_linearInterpolation()

float MATH_linearInterpolation ( float  x1,
float  y1,
float  x2,
float  y2,
float  x_interpolate 
)

Linear inter-/extrapolates a third point according to two given points.

Parameters
x1x-value of point 1
y1y-value of point 1
x2x-value of point 2
y2y-value of point 2
x_interpolatex value of interpolation point
Returns
interpolated value (float)

◆ MATH_swapBytes_uint16_t()

uint16_t MATH_swapBytes_uint16_t ( uint16_t  val)

Swap bytes of uint16_t value.

Parameters
valvalue to swap bytes: 0x1234 -> 0x3412

◆ MATH_swapBytes_uint32_t()

uint32_t MATH_swapBytes_uint32_t ( uint32_t  val)

Swap bytes of uint32_t value.

Parameters
valvalue to swap bytes: 0x12345678 -> 0x78563412

◆ MATH_swapBytes_uint64_t()

uint64_t MATH_swapBytes_uint64_t ( uint64_t  val)

Swap bytes of uint64_t value.

Parameters
valvalue to swap bytes: 0x1122334455667788 -> 0x8877665544332211