#ifndef ucoo_hal_adc_adc_hard_stm32f4_hh #define ucoo_hal_adc_adc_hard_stm32f4_hh // ucoolib - Microcontroller object oriented library. {{{ // // Copyright (C) 2013 Nicolas Schodet // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. // // }}} #include "ucoo/intf/adc.hh" #include "ucoo/common.hh" #include "ucoo/arch/reg.hh" #include "ucoo/arch/rcc.stm32.hh" namespace ucoo { class AdcHard; /// Single ADC channel. class AdcHardChannel : public Adc { public: /// See Adc::read. inline int read (); /// See Adc::get_resolution. inline int get_resolution () const; private: /// Constructor. AdcHardChannel (AdcHard &adc, int channel) : adc_ (adc), channel_ (channel) { } friend AdcHard; private: AdcHard &adc_; int channel_; }; /// ADC interface. This control a full ADC, use AdcHardChannel for a single /// channel. class AdcHard { public: static const int resolution = 1 << 12; /// Available ADC. enum class Instance { ADC1, ADC2, ADC3, }; public: /// Constructor for an ADC instance. AdcHard (Instance inst); /// Shutdown. ~AdcHard (); /// Enable, power on. void enable (); /// Disable. void disable (); /// Make a single measure. int read (int channel); /// Return an ADC channel. AdcHardChannel operator[] (int channel) { return AdcHardChannel (*this, channel); } private: /// ADC base address. ADC_TypeDef * const base_; /// ADC RCC identifier. const Rcc rcc_; }; inline int AdcHardChannel::read () { return adc_.read (channel_); } inline int AdcHardChannel::get_resolution () const { return AdcHard::resolution; } } // namespace ucoo #endif // ucoo_hal_adc_adc_hard_stm32f4_hh