Ruprecht Altenburger / Lib_Misc

Miscellaneous Library, read Encoder etc.

Dependents:   My_Libraries

Unwrapper.cpp@1:c680da75a614, 2019-03-06 (annotated)

Committer:
altb
Date:
Wed Mar 06 14:19:10 2019 +0000
Revision:
1:c680da75a614
Parent:
0:3312872854c4 
dropped Signal

Who changed what in which revision?

UserRevisionLine numberNew contents of line
altb 0:3312872854c4 1 /*
altb 0:3312872854c4 2 */
altb 0:3312872854c4 3
altb 0:3312872854c4 4 #include "Unwrapper.h"
altb 0:3312872854c4 5 #define pi 3.141592653589793
altb 0:3312872854c4 6 using namespace std;
altb 0:3312872854c4 7
altb 0:3312872854c4 8 Unwrapper::Unwrapper(double i2r)
altb 0:3312872854c4 9 {
altb 0:3312872854c4 10 inc2rad = i2r;
altb 0:3312872854c4 11 last_value = 0;
altb 0:3312872854c4 12 }
altb 0:3312872854c4 13
altb 0:3312872854c4 14 Unwrapper::~Unwrapper() {}
altb 0:3312872854c4 15
altb 0:3312872854c4 16 void Unwrapper::reset(void)
altb 0:3312872854c4 17 {
altb 0:3312872854c4 18 last_value = 0;
altb 0:3312872854c4 19 }
altb 0:3312872854c4 20
altb 0:3312872854c4 21 double Unwrapper::doStep(short inc)
altb 0:3312872854c4 22 {
altb 0:3312872854c4 23 long temp = inc;
altb 0:3312872854c4 24 if((temp - last_value) > 32000)
altb 0:3312872854c4 25 temp -= 0xFFFF;
altb 0:3312872854c4 26 else if((temp - last_value) < -32000)
altb 0:3312872854c4 27 temp += 0xFFFF;
altb 0:3312872854c4 28 last_value = temp;
altb 0:3312872854c4 29 return (temp*inc2rad);
altb 0:3312872854c4 30 }