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113 lines
3.5 KiB
C
113 lines
3.5 KiB
C
/*
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ChibiOS - Copyright (C) 2006..2018 Rocco Marco Guglielmi
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* @file ex_displays.h
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* @brief Generic display interface header.
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*
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* @addtogroup EX_DISPLAYS
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* @{
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*/
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#ifndef EX_DISPLAYS_H
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#define EX_DISPLAYS_H
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/*===========================================================================*/
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/* Driver constants. */
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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 @p BaseDisplay specific methods.
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* @note No methods so far, just a common ancestor interface.
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*/
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#define _base_display_methods_alone
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/**
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* @brief @p BaseDisplay specific methods with inherited ones.
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*/
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#define _base_display_methods \
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_base_display_methods_alone
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/**
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* @brief @p BaseDisplay virtual methods table.
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*/
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struct BaseDisplayVMT {
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_base_display_methods
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};
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/**
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* @brief @p BaseDisplay specific data.
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* @note It is empty because @p BaseDisplay is only an interface
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* without implementation.
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*/
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#define _base_display_data
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/**
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* @brief Base display class.
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*/
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typedef struct {
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/** @brief Virtual Methods Table.*/
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const struct BaseDisplayVMT *vmt_basedisplay;
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_base_display_data
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} BaseDisplay;
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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 (BaseDisplay)
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* @{
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*/
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/**
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* @brief Sensors get axes number.
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*
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* @param[in] ip pointer to a @p BaseDisplay or derived class.
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* @return The number of axes of the BaseDisplay
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*
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* @api
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*/
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#define displayGetType(ip) (ip)->vmt_basedisplay->get_type(ip)
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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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#ifdef __cplusplus
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}
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#endif
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#endif /* EX_DISPLAYS_H */
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/** @} */
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