1 // Copyright 2014 Emilie Gillet.
2 //
3 // Author: Emilie Gillet (emilie.o.gillet@gmail.com)
4 //
5 // Permission is hereby granted, free of charge, to any person obtaining a copy
6 // of this software and associated documentation files (the "Software"), to deal
7 // in the Software without restriction, including without limitation the rights
8 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 // copies of the Software, and to permit persons to whom the Software is
10 // furnished to do so, subject to the following conditions:
11 //
12 // The above copyright notice and this permission notice shall be included in
13 // all copies or substantial portions of the Software.
14 //
15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21 // THE SOFTWARE.
22 //
23 // See http://creativecommons.org/licenses/MIT/ for more information.
24 //
25 // -----------------------------------------------------------------------------
26 //
27 // Driver for ADC1 - used for scanning CVs.
28 
29 #ifndef ELEMENTS_DRIVERS_CV_ADC_H_
30 #define ELEMENTS_DRIVERS_CV_ADC_H_
31 
32 #include "stmlib/stmlib.h"
33 
34 namespace elements {
35 
36 enum CvAdcChannel {
37   CV_ADC_V_OCT,
38   CV_ADC_FM,
39   CV_ADC_PRESSURE,
40   CV_ADC_EXCITER_BOW_TIMBRE,
41   CV_ADC_EXCITER_BLOW_META,
42   CV_ADC_EXCITER_BLOW_TIMBRE,
43   CV_ADC_EXCITER_STRIKE_META,
44   CV_ADC_EXCITER_STRIKE_TIMBRE,
45   CV_ADC_RESONATOR_DAMPING,
46   CV_ADC_RESONATOR_GEOMETRY,
47   CV_ADC_RESONATOR_POSITION,
48   CV_ADC_RESONATOR_BRIGHTNESS,
49   CV_ADC_SPACE,
50   CV_ADC_CHANNEL_LAST
51 };
52 
53 class CvAdc {
54  public:
CvAdc()55   CvAdc() { }
~CvAdc()56   ~CvAdc() { }
57 
Init()58   void Init() { Init(true); }
59   void Init(bool auto_convert);
60   void DeInit();
61   void Convert();
values()62   inline const uint16_t* values() { return &values_[0]; }
value(uint8_t channel)63   inline int32_t value(uint8_t channel) const { return values_[channel]; }
float_value(uint8_t index)64   inline float float_value(uint8_t index) const {
65     return static_cast<float>(values_[index]) / 65536.0f;
66   }
67 
68  private:
69   uint16_t values_[CV_ADC_CHANNEL_LAST];
70 
71   DISALLOW_COPY_AND_ASSIGN(CvAdc);
72 };
73 
74 }  // namespace elements
75 
76 #endif  // ELEMENTS_DRIVERS_CV_ADC_H_
77