90 lines
2.1 KiB
C++
90 lines
2.1 KiB
C++
/*
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* This file is part of the libopeninv project.
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*
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* Copyright (C) 2011 Johannes Huebner <dev@johanneshuebner.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef DIGIO_H_INCLUDED
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#define DIGIO_H_INCLUDED
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#include <libopencm3/stm32/gpio.h>
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#include "digio_prj.h"
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namespace PinMode {
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enum PinMode
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{
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INPUT_PD,
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INPUT_PU,
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INPUT_FLT,
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INPUT_AIN,
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OUTPUT,
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OUTPUT_OD,
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LAST
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};
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}
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class DigIo
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{
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public:
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#define DIG_IO_ENTRY(name, port, pin, mode) static DigIo name;
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DIG_IO_LIST
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#undef DIG_IO_ENTRY
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/** Map GPIO pin object to hardware pin.
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* @param[in] port port to use for this pin
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* @param[in] pin port-pin to use for this pin
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* @param[in] mode pinmode to use
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*/
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void Configure(uint32_t port, uint16_t pin, PinMode::PinMode pinMode);
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/**
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* Get pin value
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*
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* @param[in] io pin index
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* @return pin value
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*/
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bool Get() { return gpio_get(_port, _pin) > 0; }
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/**
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* Set pin high
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*
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* @param[in] io pin index
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*/
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void Set() { gpio_set(_port, _pin); }
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/**
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* Set pin low
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*
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* @param[in] io pin index
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*/
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void Clear() { gpio_clear(_port, _pin); }
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/**
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* Toggle pin
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*
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* @param[in] io pin index
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*/
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void Toggle() { gpio_toggle(_port, _pin); }
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private:
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uint32_t _port;
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uint16_t _pin;
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};
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//Configure all digio objects from the given list
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#define DIG_IO_ENTRY(name, port, pin, mode) DigIo::name.Configure(port, pin, mode);
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#define DIG_IO_CONFIGURE(l) l
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#endif // DIGIO_H_INCLUDED
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