1 // Copyright 2015 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 ADC. ADC1 is used for the 8 pots ; ADC2 for the 8 CV inputs. 28 29 #ifndef MARBLES_DRIVERS_ADC_H_ 30 #define MARBLES_DRIVERS_ADC_H_ 31 32 #include "stmlib/stmlib.h" 33 34 namespace marbles { 35 36 enum AdcParameter { 37 ADC_CHANNEL_DEJA_VU_AMOUNT, 38 ADC_CHANNEL_DEJA_VU_LENGTH, 39 ADC_CHANNEL_X_SPREAD_2 = ADC_CHANNEL_DEJA_VU_LENGTH, 40 ADC_CHANNEL_T_RATE, 41 ADC_CHANNEL_T_BIAS, 42 ADC_CHANNEL_T_JITTER, 43 ADC_CHANNEL_X_SPREAD, 44 ADC_CHANNEL_X_BIAS, 45 ADC_CHANNEL_X_STEPS, 46 ADC_CHANNEL_LAST 47 }; 48 49 enum AdcGroup { 50 ADC_GROUP_POT = 0, 51 ADC_GROUP_CV = ADC_CHANNEL_LAST 52 }; 53 54 class Adc { 55 public: Adc()56 Adc() { } ~Adc()57 ~Adc() { } 58 59 void Init(bool single_channel); 60 void DeInit(); 61 void Convert(); 62 float_value(int channel)63 inline float float_value(int channel) const { 64 return static_cast<float>(values_[channel]) / 65536.0f; 65 } value(int channel)66 inline uint16_t value(int channel) const { 67 return values_[channel]; 68 } values()69 inline const uint16_t* values() const { 70 return &values_[0]; 71 } 72 73 private: 74 uint16_t values_[ADC_CHANNEL_LAST * 2]; 75 76 DISALLOW_COPY_AND_ASSIGN(Adc); 77 }; 78 79 } // namespace marbles 80 81 #endif // MARBLES_DRIVERS_ADC_H_ 82