mirror of
https://github.com/eried/portapack-mayhem.git
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162 lines
5.8 KiB
C
Executable File
162 lines
5.8 KiB
C
Executable File
/*
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ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
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2011,2012,2013 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT 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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ChibiOS/RT 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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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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A special exception to the GPL can be applied should you wish to distribute
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a combined work that includes ChibiOS/RT, without being obliged to provide
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the source code for any proprietary components. See the file exception.txt
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for full details of how and when the exception can be applied.
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*/
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/**
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* @file ext.h
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* @brief EXT Driver macros and structures.
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*
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* @addtogroup EXT
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* @{
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*/
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#ifndef _EXT_H_
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#define _EXT_H_
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#if HAL_USE_EXT || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Driver constants. */
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/*===========================================================================*/
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/**
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* @name EXT channel modes
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* @{
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*/
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#define EXT_CH_MODE_EDGES_MASK 3 /**< @brief Mask of edges field. */
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#define EXT_CH_MODE_DISABLED 0 /**< @brief Channel disabled. */
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#define EXT_CH_MODE_RISING_EDGE 1 /**< @brief Rising edge callback. */
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#define EXT_CH_MODE_FALLING_EDGE 2 /**< @brief Falling edge callback. */
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#define EXT_CH_MODE_BOTH_EDGES 3 /**< @brief Both edges callback. */
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#define EXT_CH_MODE_AUTOSTART 4 /**< @brief Channel started
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automatically on driver start. */
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/** @} */
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/*===========================================================================*/
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/* Driver pre-compile time settings. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver data structures and types. */
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/*===========================================================================*/
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/**
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* @brief Driver state machine possible states.
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*/
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typedef enum {
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EXT_UNINIT = 0, /**< Not initialized. */
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EXT_STOP = 1, /**< Stopped. */
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EXT_ACTIVE = 2, /**< Active. */
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} extstate_t;
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/**
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* @brief Type of a structure representing a EXT driver.
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*/
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typedef struct EXTDriver EXTDriver;
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#include "ext_lld.h"
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/*===========================================================================*/
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/* Driver macros. */
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/*===========================================================================*/
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/**
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* @name Macro Functions
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* @{
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*/
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/**
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* @brief Enables an EXT channel.
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*
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* @param[in] extp pointer to the @p EXTDriver object
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* @param[in] channel channel to be enabled
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*
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* @iclass
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*/
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#define extChannelEnableI(extp, channel) ext_lld_channel_enable(extp, channel)
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/**
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* @brief Disables an EXT channel.
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*
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* @param[in] extp pointer to the @p EXTDriver object
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* @param[in] channel channel to be disabled
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*
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* @iclass
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*/
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#define extChannelDisableI(extp, channel) ext_lld_channel_disable(extp, channel)
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/**
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* @brief Changes the operation mode of a channel.
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* @note This function attempts to write over the current configuration
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* structure that must have been not declared constant. This
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* violates the @p const qualifier in @p extStart() but it is
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* intentional. This function cannot be used if the configuration
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* structure is declared @p const.
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*
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* @param[in] extp pointer to the @p EXTDriver object
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* @param[in] channel channel to be changed
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* @param[in] extcp new configuration for the channel
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*
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* @api
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*/
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#define extSetChannelMode(extp, channel, extcp) { \
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chSysLock(); \
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extSetChannelModeI(extp, channel, extcp); \
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chSysUnlock(); \
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}
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/** @} */
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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void extInit(void);
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void extObjectInit(EXTDriver *extp);
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void extStart(EXTDriver *extp, const EXTConfig *config);
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void extStop(EXTDriver *extp);
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void extChannelEnable(EXTDriver *extp, expchannel_t channel);
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void extChannelDisable(EXTDriver *extp, expchannel_t channel);
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void extSetChannelModeI(EXTDriver *extp,
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expchannel_t channel,
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const EXTChannelConfig *extcp);
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#ifdef __cplusplus
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}
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#endif
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#endif /* HAL_USE_EXT */
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#endif /* _EXT_H_ */
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/** @} */
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