1
0
Fork 0
mirror of https://github.com/betaflight/betaflight.git synced 2025-07-23 16:25:31 +03:00

Cleanup project structure. Update unit test Makefile to place object

files in obj/test
This commit is contained in:
Dominic Clifton 2014-05-31 22:43:06 +01:00
parent fb9e3a2358
commit d19a5e7046
330 changed files with 657 additions and 638 deletions

32
src/main/common/maths.h Normal file
View file

@ -0,0 +1,32 @@
#pragma once
#ifndef sq
#define sq(x) ((x)*(x))
#endif
#ifndef M_PI
#define M_PI 3.14159265358979323846f
#endif /* M_PI */
#define RADX10 (M_PI / 1800.0f) // 0.001745329252f #define RAD (M_PI / 180.0f)
#define DEG2RAD(degrees) (degrees * RAD)
#define min(a, b) ((a) < (b) ? (a) : (b))
#define max(a, b) ((a) > (b) ? (a) : (b))
#define abs(x) ((x) > 0 ? (x) : -(x))
typedef struct stdev_t
{
float m_oldM, m_newM, m_oldS, m_newS;
int m_n;
} stdev_t;
int constrain(int amt, int low, int high);
float constrainf(float amt, float low, float high);
void devClear(stdev_t *dev);
void devPush(stdev_t *dev, float x);
float devVariance(stdev_t *dev);
float devStandardDeviation(stdev_t *dev);
float degreesToRadians(int16_t degrees);