N K / Mbed 2 deprecated GaNtroller

a fork of priustroller

Dependencies:   mbed

Fork of priustroller_current by N K

sensors/sensors.h@29:cb03760ba9ea, 2015-03-14 (annotated)

Committer:
nki
Date:
Sat Mar 14 23:42:46 2015 +0000
Revision:
29:cb03760ba9ea
Parent:
28:af9d43bcb371
Child:
30:2b6d426f3bfc
Cautionary commit, possibly works

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bwang 1:1f58bdcf2956 1 #ifndef __SENSORS_H
bwang 1:1f58bdcf2956 2 #define __SENSORS_H
bwang 1:1f58bdcf2956 3
bwang 1:1f58bdcf2956 4 #include "includes.h"
bwang 1:1f58bdcf2956 5
bwang 28:af9d43bcb371 6 class NativeAnalogIn {
bwang 28:af9d43bcb371 7 public:
bwang 28:af9d43bcb371 8 NativeAnalogIn(PinName pin);
bwang 28:af9d43bcb371 9 float Read();
bwang 28:af9d43bcb371 10 operator float() {return Read();}
nki 29:cb03760ba9ea 11 static unsigned char PinToAdcChannel(PinName pin);
bwang 28:af9d43bcb371 12 private:
bwang 28:af9d43bcb371 13 unsigned char _channel;
nki 29:cb03760ba9ea 14 float _dummy;
bwang 1:1f58bdcf2956 15 };
bwang 1:1f58bdcf2956 16
bwang 1:1f58bdcf2956 17 class VoltageSensor {
bwang 1:1f58bdcf2956 18 public:
bwang 1:1f58bdcf2956 19 virtual float GetVoltage() {return 0.0f;}
bwang 1:1f58bdcf2956 20 virtual void Zero(){}
bwang 1:1f58bdcf2956 21 };
bwang 1:1f58bdcf2956 22
bwang 1:1f58bdcf2956 23 class PositionSensor {
bwang 1:1f58bdcf2956 24 public:
bwang 1:1f58bdcf2956 25 virtual float GetPosition() {return 0.0f;}
bwang 1:1f58bdcf2956 26 };
bwang 1:1f58bdcf2956 27
bwang 1:1f58bdcf2956 28 class TempSensor {
bwang 1:1f58bdcf2956 29 public:
bwang 1:1f58bdcf2956 30 virtual float GetTemp() {return 0.0f;}
bwang 1:1f58bdcf2956 31 };
bwang 1:1f58bdcf2956 32
bwang 1:1f58bdcf2956 33 class AnalogVoltageSensor: public VoltageSensor {
bwang 1:1f58bdcf2956 34 public:
bwang 1:1f58bdcf2956 35 AnalogVoltageSensor(PinName pin, float scale);
bwang 1:1f58bdcf2956 36 virtual void Zero();
bwang 1:1f58bdcf2956 37 virtual float GetVoltage();
bwang 1:1f58bdcf2956 38 private:
bwang 1:1f58bdcf2956 39 float _zero_level, _scale;
bwang 28:af9d43bcb371 40 NativeAnalogIn *_in;
bwang 1:1f58bdcf2956 41 };
bwang 1:1f58bdcf2956 42
bwang 1:1f58bdcf2956 43 class AnalogHallPositionSensor: public PositionSensor {
bwang 1:1f58bdcf2956 44 public:
bwang 1:1f58bdcf2956 45 AnalogHallPositionSensor(PinName pin_a, PinName pin_b, float cal1_a, float cal2_a,
bwang 1:1f58bdcf2956 46 float cal1_b, float cal2_b, float offset);
bwang 1:1f58bdcf2956 47 virtual float GetPosition();
bwang 1:1f58bdcf2956 48 private:
bwang 1:1f58bdcf2956 49 float _cal1_a, _cal2_a;
bwang 1:1f58bdcf2956 50 float _cal1_b, _cal2_b;
bwang 1:1f58bdcf2956 51 float _offset;
bwang 28:af9d43bcb371 52 NativeAnalogIn *_in_a, *_in_b;
bwang 1:1f58bdcf2956 53 };
bwang 1:1f58bdcf2956 54
bwang 1:1f58bdcf2956 55 class NtcTempSensor: public TempSensor {
bwang 1:1f58bdcf2956 56 public:
bwang 1:1f58bdcf2956 57 NtcTempSensor(PinName pin, float r_25, float ntc_b, float r_divider);
bwang 1:1f58bdcf2956 58 virtual float GetTemp();
bwang 1:1f58bdcf2956 59 private:
bwang 1:1f58bdcf2956 60 float _ntc_a, _ntc_b, _r_divider;
bwang 28:af9d43bcb371 61 NativeAnalogIn *_in;
bwang 1:1f58bdcf2956 62 };
bwang 1:1f58bdcf2956 63
bwang 1:1f58bdcf2956 64 class Throttle {
bwang 1:1f58bdcf2956 65 public:
bwang 1:1f58bdcf2956 66 Throttle(PinName pin, float min, float max);
bwang 1:1f58bdcf2956 67 float GetThrottle();
bwang 1:1f58bdcf2956 68 private:
bwang 1:1f58bdcf2956 69 float _min, _max;
bwang 1:1f58bdcf2956 70 VoltageSensor *_in;
bwang 1:1f58bdcf2956 71 };
bwang 1:1f58bdcf2956 72
nki 29:cb03760ba9ea 73 inline float NativeAnalogIn::Read() {
nki 29:cb03760ba9ea 74 TIM2->DIER = 0x0000;
nki 29:cb03760ba9ea 75 ADC1->SQR3 = 0x0000;
nki 29:cb03760ba9ea 76 ADC1->SQR3 |= _channel;
nki 29:cb03760ba9ea 77 ADC1->CR2 |= ADC_CR2_SWSTART;
nki 29:cb03760ba9ea 78 while ((ADC1->SR & 2) == 0){}
nki 29:cb03760ba9ea 79 float x = ADC1->DR;
nki 29:cb03760ba9ea 80 TIM2->DIER = 0x0001;
nki 29:cb03760ba9ea 81 return x / 4095.0f;
nki 29:cb03760ba9ea 82 }
nki 29:cb03760ba9ea 83
bwang 1:1f58bdcf2956 84 #endif