1 // Copyright 2013 Olivier Gillet. 2 // 3 // Author: Olivier Gillet (ol.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 the ADD/DEL switches. 28 29 #ifndef FRAMES_DRIVERS_SWITCHES_H_ 30 #define FRAMES_DRIVERS_SWITCHES_H_ 31 32 #include <stm32f10x_conf.h> 33 #include "stmlib/stmlib.h" 34 35 namespace frames { 36 37 const uint8_t kNumSwitches = 2; 38 39 class Switches { 40 public: Switches()41 Switches() { } ~Switches()42 ~Switches() { } 43 44 void Init(); 45 void Debounce(); 46 released(uint8_t index)47 inline bool released(uint8_t index) const { 48 return switch_state_[index] == 0x7f; 49 } 50 just_pressed(uint8_t index)51 inline bool just_pressed(uint8_t index) const { 52 return switch_state_[index] == 0x80; 53 } 54 pressed(uint8_t index)55 inline bool pressed(uint8_t index) const { 56 return switch_state_[index] == 0x00; 57 } 58 pressed_immediate(uint8_t index)59 inline bool pressed_immediate(uint8_t index) const { 60 return !GPIO_ReadInputDataBit(GPIOB, index ? GPIO_Pin_11 : GPIO_Pin_10); 61 } 62 63 private: 64 uint8_t switch_state_[kNumSwitches]; 65 66 DISALLOW_COPY_AND_ASSIGN(Switches); 67 }; 68 69 } // namespace frames 70 71 #endif // FRAMES_DRIVERS_SWITCHES_H_ 72