From b9edf5abf79164f17d0555beecc501ac24d57ab0 Mon Sep 17 00:00:00 2001 From: Nicolas Schodet Date: Sun, 11 Nov 2012 17:58:41 +0100 Subject: ucoolib/hal/gpio: add GPIO --- ucoolib/hal/gpio/gpio.stm32f4.hh | 67 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 ucoolib/hal/gpio/gpio.stm32f4.hh (limited to 'ucoolib/hal/gpio/gpio.stm32f4.hh') diff --git a/ucoolib/hal/gpio/gpio.stm32f4.hh b/ucoolib/hal/gpio/gpio.stm32f4.hh new file mode 100644 index 0000000..75727c3 --- /dev/null +++ b/ucoolib/hal/gpio/gpio.stm32f4.hh @@ -0,0 +1,67 @@ +#ifndef ucoolib_hal_gpio_gpio_stm32f4_hh +#define ucoolib_hal_gpio_gpio_stm32f4_hh +// ucoolib - Microcontroller object oriented library. {{{ +// +// Copyright (C) 2012 Nicolas Schodet +// +// APBTeam: +// Web: http://apbteam.org/ +// Email: team AT apbteam DOT org +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +// +// }}} +#include "ucoolib/intf/io.hh" + +#include + +namespace ucoo { + +/// General purpose input/output on STM32F4. +class Gpio : public Io +{ + public: + /// Constructor, take the PORT base address, and pin BIT number. + Gpio (uint32_t port, int bit); + /// 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: + /// Port register base address. + const uint32_t port_; + /// IO bitmask. + const uint16_t mask_; +}; + +inline +Gpio::Gpio (uint32_t port, int bit) + : port_ (port), mask_ (1u << bit) +{ +} + +} // namespace ucoo + +#endif // ucoolib_hal_gpio_gpio_stm32f4_hh -- cgit v1.2.3