#ifndef ucoo_hal_gpio_gpio_host_hh #define ucoo_hal_gpio_gpio_host_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/io.hh" #include "ucoo/arch/host/host.hh" namespace ucoo { class GpioShared; /// General purpose input/output on host. class Gpio : public Io { public: /// Initialise GPIO. Gpio (Host &host, const char *name); /// Initialise GPIO, with no mex support. Gpio (); /// See Io::set. void set (); /// See Io::reset. void reset (); /// See Io::set. void set (bool state); /// See Io::toggle. void toggle (); /// See Io::get. bool get () const; /// See Io::input. void input (); /// See Io::output. void output (); private: /// Name. const char *name_; /// Current input/output states. bool input_, output_; /// Current direction, true for output. bool direction_output_; /// Shared context. static GpioShared *shared_; friend class GpioShared; }; } // namespace ucoo #endif // ucoo_hal_gpio_gpio_host_hh