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 // Settings storage. 28 29 #ifndef CLOUDS_SETTINGS_H_ 30 #define CLOUDS_SETTINGS_H_ 31 32 #include "stmlib/stmlib.h" 33 34 #include "clouds/drivers/adc.h" 35 36 namespace clouds { 37 38 struct CalibrationData { 39 float pitch_offset; 40 float pitch_scale; 41 float offset[ADC_CHANNEL_LAST]; 42 }; 43 44 struct State { 45 uint8_t quality; 46 uint8_t blend_parameter; 47 uint8_t playback_mode; 48 uint8_t blend_value[4]; 49 uint8_t padding; 50 }; 51 52 struct SettingsData { 53 CalibrationData calibration_data; // 48 bytes 54 State state; // 8 bytes 55 uint8_t padding[8]; 56 }; 57 58 class PersistentBlock; 59 60 class Settings { 61 public: Settings()62 Settings() { } ~Settings()63 ~Settings() { } 64 65 void Init(); 66 void Save(); 67 sample_flash_data(uint32_t index)68 inline const uint32_t* sample_flash_data(uint32_t index) const { 69 return (const uint32_t*)(mutable_sample_flash_data(index)); 70 } 71 mutable_sample_flash_data(uint32_t index)72 inline uint32_t* mutable_sample_flash_data(uint32_t index) const { 73 return (uint32_t*)(0x08080000 + index * 0x0020000); 74 } 75 sample_flash_sector(uint32_t index)76 inline uint32_t sample_flash_sector(uint32_t index) { 77 return index + 8; 78 } 79 80 void SaveSampleMemory( 81 uint32_t index, 82 PersistentBlock* blocks, 83 size_t num_blocks); 84 mutable_calibration_data()85 inline CalibrationData* mutable_calibration_data() { 86 return &data_.calibration_data; 87 } 88 mutable_state()89 inline State* mutable_state() { 90 return &data_.state; 91 } 92 state()93 inline const State& state() const { 94 return data_.state; 95 } 96 97 // True when no calibration data has been found on flash sector 1, that is 98 // to say when the module has just been flashed. freshly_baked()99 inline bool freshly_baked() const { 100 return freshly_baked_; 101 } 102 103 private: 104 bool freshly_baked_; 105 SettingsData data_; 106 uint16_t version_token_; 107 108 DISALLOW_COPY_AND_ASSIGN(Settings); 109 }; 110 111 } // namespace clouds 112 113 #endif // CLOUDS_SETTINGS_H_ 114