From 4edc5aeca7251e69dfa772dfdd5b2e012375a809 Mon Sep 17 00:00:00 2001 From: Giovanni Di Sirio Date: Wed, 23 Mar 2016 12:36:05 +0000 Subject: Mass renaming of HAL files. git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@9151 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/hal/include/hal_ext.h | 150 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 150 insertions(+) create mode 100644 os/hal/include/hal_ext.h (limited to 'os/hal/include/hal_ext.h') diff --git a/os/hal/include/hal_ext.h b/os/hal/include/hal_ext.h new file mode 100644 index 000000000..282178e79 --- /dev/null +++ b/os/hal/include/hal_ext.h @@ -0,0 +1,150 @@ +/* + ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file ext.h + * @brief EXT Driver macros and structures. + * + * @addtogroup EXT + * @{ + */ + +#ifndef _EXT_H_ +#define _EXT_H_ + +#if (HAL_USE_EXT == TRUE) || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/** + * @name EXT channel modes + * @{ + */ +#define EXT_CH_MODE_EDGES_MASK 3U /**< @brief Mask of edges field. */ +#define EXT_CH_MODE_DISABLED 0U /**< @brief Channel disabled. */ +#define EXT_CH_MODE_RISING_EDGE 1U /**< @brief Rising edge callback. */ +#define EXT_CH_MODE_FALLING_EDGE 2U /**< @brief Falling edge callback. */ +#define EXT_CH_MODE_BOTH_EDGES 3U /**< @brief Both edges callback. */ + +#define EXT_CH_MODE_AUTOSTART 4U /**< @brief Channel started + automatically on driver start. */ +/** @} */ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/** + * @brief Driver state machine possible states. + */ +typedef enum { + EXT_UNINIT = 0, /**< Not initialized. */ + EXT_STOP = 1, /**< Stopped. */ + EXT_ACTIVE = 2 /**< Active. */ +} extstate_t; + +/** + * @brief Type of a structure representing a EXT driver. + */ +typedef struct EXTDriver EXTDriver; + +#include "ext_lld.h" + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/** + * @name Macro Functions + * @{ + */ +/** + * @brief Enables an EXT channel. + * + * @param[in] extp pointer to the @p EXTDriver object + * @param[in] channel channel to be enabled + * + * @iclass + */ +#define extChannelEnableI(extp, channel) ext_lld_channel_enable(extp, channel) + +/** + * @brief Disables an EXT channel. + * + * @param[in] extp pointer to the @p EXTDriver object + * @param[in] channel channel to be disabled + * + * @iclass + */ +#define extChannelDisableI(extp, channel) ext_lld_channel_disable(extp, channel) + +/** + * @brief Changes the operation mode of a channel. + * @note This function attempts to write over the current configuration + * structure that must have been not declared constant. This + * violates the @p const qualifier in @p extStart() but it is + * intentional. This function cannot be used if the configuration + * structure is declared @p const. + * + * @param[in] extp pointer to the @p EXTDriver object + * @param[in] channel channel to be changed + * @param[in] extcp new configuration for the channel + * + * @api + */ +#define extSetChannelMode(extp, channel, extcp) { \ + osalSysLock(); \ + extSetChannelModeI(extp, channel, extcp); \ + osalSysUnlock(); \ +} + +/** @} */ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#ifdef __cplusplus +extern "C" { +#endif + void extInit(void); + void extObjectInit(EXTDriver *extp); + void extStart(EXTDriver *extp, const EXTConfig *config); + void extStop(EXTDriver *extp); + void extChannelEnable(EXTDriver *extp, expchannel_t channel); + void extChannelDisable(EXTDriver *extp, expchannel_t channel); + void extSetChannelModeI(EXTDriver *extp, + expchannel_t channel, + const EXTChannelConfig *extcp); +#ifdef __cplusplus +} +#endif + +#endif /* HAL_USE_EXT == TRUE */ + +#endif /* _EXT_H_ */ + +/** @} */ -- cgit v1.2.3