Miroslaw K. / Mbed 2 deprecated 3DDemo

Example of using "Canvas" form "Graphics" library to display 3D graphics.

Dependencies:   BSP_DISCO_F746NG Graphics mbed

HardwareAccess/Scale.cpp@2:ef3093a7a43e, 2016-11-11 (annotated)

Committer:
karpent
Date:
Fri Nov 11 15:30:07 2016 +0000
Revision:
2:ef3093a7a43e
Parent:
0:8acbce46eede 
Base Model class improved

Who changed what in which revision?

UserRevisionLine numberNew contents of line
karpent 0:8acbce46eede 1 //
karpent 0:8acbce46eede 2 // Scale.cpp
karpent 0:8acbce46eede 3 //
karpent 0:8acbce46eede 4
karpent 0:8acbce46eede 5 #include "Scale.h"
karpent 0:8acbce46eede 6 #include "mbed.h" // for AnalogIn
karpent 0:8acbce46eede 7
karpent 2:ef3093a7a43e 8 #ifdef ARDUINO
karpent 0:8acbce46eede 9 int scalePin = 1;
karpent 0:8acbce46eede 10 #else
karpent 0:8acbce46eede 11 AnalogIn scaleRead(A1);
karpent 0:8acbce46eede 12 #endif
karpent 0:8acbce46eede 13
karpent 0:8acbce46eede 14 Scale::Scale()
karpent 0:8acbce46eede 15 {
karpent 2:ef3093a7a43e 16 // Set ScaleFixed as default
karpent 2:ef3093a7a43e 17 SetScale(ScaleFixed, 1.f, 1.f, 8.f, 0.4f);
karpent 0:8acbce46eede 18 }
karpent 0:8acbce46eede 19
karpent 2:ef3093a7a43e 20 void Scale::SetScale(ScaleType type, float initialValue, float minValue, float maxValue, float delta)
karpent 0:8acbce46eede 21 {
karpent 2:ef3093a7a43e 22 _type = type;
karpent 2:ef3093a7a43e 23
karpent 2:ef3093a7a43e 24 _scale = initialValue;
karpent 2:ef3093a7a43e 25 _delta = delta;
karpent 2:ef3093a7a43e 26 _minScale = minValue;
karpent 2:ef3093a7a43e 27 _maxScale = maxValue;
karpent 0:8acbce46eede 28 }
karpent 0:8acbce46eede 29
karpent 0:8acbce46eede 30
karpent 0:8acbce46eede 31 float Scale::GetScale()
karpent 0:8acbce46eede 32 {
karpent 2:ef3093a7a43e 33 switch(_type) {
karpent 2:ef3093a7a43e 34
karpent 2:ef3093a7a43e 35 case ScaleReal:
karpent 0:8acbce46eede 36
karpent 2:ef3093a7a43e 37 // Get real value
karpent 2:ef3093a7a43e 38 _scale = ReadScale();
karpent 2:ef3093a7a43e 39 break;
karpent 2:ef3093a7a43e 40
karpent 2:ef3093a7a43e 41 case ScaleSham:
karpent 2:ef3093a7a43e 42
karpent 2:ef3093a7a43e 43 // Simulate changes
karpent 2:ef3093a7a43e 44 _scale += _delta;
karpent 0:8acbce46eede 45
karpent 2:ef3093a7a43e 46 if(_scale > _maxScale)
karpent 2:ef3093a7a43e 47 _delta *= -1.f;
karpent 2:ef3093a7a43e 48
karpent 2:ef3093a7a43e 49 if(_scale < _minScale)
karpent 2:ef3093a7a43e 50 _delta *= -1.f;
karpent 0:8acbce46eede 51
karpent 2:ef3093a7a43e 52 break;
karpent 2:ef3093a7a43e 53
karpent 2:ef3093a7a43e 54 default:
karpent 2:ef3093a7a43e 55 break;
karpent 2:ef3093a7a43e 56 }
karpent 2:ef3093a7a43e 57
karpent 2:ef3093a7a43e 58 return _scale;
karpent 0:8acbce46eede 59 }
karpent 0:8acbce46eede 60
karpent 0:8acbce46eede 61 /// Read the scale from a potentiometer attached to analog pin
karpent 0:8acbce46eede 62 float Scale::ReadScale()
karpent 0:8acbce46eede 63 {
karpent 2:ef3093a7a43e 64 float scale = _scale;
karpent 2:ef3093a7a43e 65
karpent 0:8acbce46eede 66 #ifdef ARDUINO
karpent 0:8acbce46eede 67 scale = analogRead(scalePin);
karpent 0:8acbce46eede 68 #else
karpent 0:8acbce46eede 69 scale = scaleRead;
karpent 0:8acbce46eede 70 #endif
karpent 0:8acbce46eede 71
karpent 2:ef3093a7a43e 72 return _minScale + scale * (_maxScale - _minScale)/1024.f;
karpent 0:8acbce46eede 73 }