Revision c9774bf5

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drivers/switch/v1/alld_switch.c
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/*
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AMiRo-LLD is a compilation of low-level hardware drivers for the Autonomous Mini Robot (AMiRo) platform.
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Copyright (C) 2016..2019  Thomas Schöpping et al.
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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 Lesser 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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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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser 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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/**
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 * @file    alld_switch.c
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 * @brief   Switch function implementations.
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 *
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 * @addtogroup lld_switch
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 * @{
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 */
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#include <alld_switch.h>
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/******************************************************************************/
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/* LOCAL DEFINITIONS                                                          */
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/******************************************************************************/
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/******************************************************************************/
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/* EXPORTED VARIABLES                                                         */
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/******************************************************************************/
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/******************************************************************************/
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/* LOCAL TYPES                                                                */
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/******************************************************************************/
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/******************************************************************************/
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/* LOCAL VARIABLES                                                            */
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/******************************************************************************/
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/******************************************************************************/
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/* LOCAL FUNCTIONS                                                            */
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/******************************************************************************/
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/******************************************************************************/
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/* EXPORTED FUNCTIONS                                                         */
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/******************************************************************************/
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/**
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 * @brief Get the current status of the switch.
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 * @param[in]   switchd The switch driver object.
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 * @param[out]  state   The state object to fill.
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 * @return              An indicator whether the call was successful.
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 */
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apalExitStatus_t switch_lld_get(const SwitchDriver* const switchd, switch_lld_state_t* const state)
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{
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  apalDbgAssert(switchd != NULL);
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  apalDbgAssert(state != NULL);
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  apalControlGpioState_t gpio_state;
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  apalExitStatus_t status = apalControlGpioGet(switchd->gpio, &gpio_state);
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  *state = gpio_state == APAL_GPIO_ON ? SWITCH_LLD_STATE_ON : SWITCH_LLD_STATE_OFF;
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  return status;
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}
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/** @} */
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drivers/switch/v1/alld_switch.h
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/*
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AMiRo-LLD is a compilation of low-level hardware drivers for the Autonomous Mini Robot (AMiRo) platform.
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Copyright (C) 2016..2019  Thomas Schöpping et al.
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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 Lesser 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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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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser 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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/**
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 * @file    alld_switch.h
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 * @brief   Switch macros and structures.
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 *
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 * @addtogroup lld_switch
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 * @{
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 */
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#ifndef AMIROLLD_SWITCH_H
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#define AMIROLLD_SWITCH_H
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#include <amiro-lld.h>
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/******************************************************************************/
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/* CONSTANTS                                                                  */
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/******************************************************************************/
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/******************************************************************************/
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/* SETTINGS                                                                   */
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/******************************************************************************/
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/******************************************************************************/
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/* CHECKS                                                                     */
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/******************************************************************************/
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/******************************************************************************/
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/* DATA STRUCTURES AND TYPES                                                  */
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/******************************************************************************/
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/**
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 * @brief Switch driver data structure.
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 */
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typedef struct {
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  const apalControlGpio_t* gpio;  /**< @brief The identifier of the GPIO.  */
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} SwitchDriver;
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/**
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 * @brief The state of the button.
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 */
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typedef enum {
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  SWITCH_LLD_STATE_OFF = 0x00,   /**< 'released' state of the button */
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  SWITCH_LLD_STATE_ON  = 0x01,   /**< 'pressed' state of the button */
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} switch_lld_state_t;
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/******************************************************************************/
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/* MACROS                                                                     */
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/******************************************************************************/
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/******************************************************************************/
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/* EXTERN 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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  apalExitStatus_t switch_lld_get(const SwitchDriver* const switchp, switch_lld_state_t* const state);
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#ifdef __cplusplus
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}
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#endif
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/******************************************************************************/
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/* INLINE FUNCTIONS                                                           */
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/******************************************************************************/
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#endif /* AMIROLLD_SWITCH_H */
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/** @} */
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drivers/switch/v1/alld_switch.mk
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################################################################################
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# AMiRo-LLD is a compilation of low-level hardware drivers for the Autonomous  #
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# Mini Robot (AMiRo) platform.                                                 #
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# Copyright (C) 2016..2019  Thomas Schöpping et al.                            #
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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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# This research/work was supported by the Cluster of Excellence Cognitive      #
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# Interaction Technology 'CITEC' (EXC 277) at Bielefeld University, which is   #
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# funded by the German Research Foundation (DFG).                              #
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################################################################################
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# path to this directory
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AMIROLLD_switch_V1_DIR := $(dir $(lastword $(MAKEFILE_LIST)))
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# include paths
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AMIROLLD_INC += $(AMIROLLD_switch_V1_DIR)
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# C source files
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AMIROLLD_CSRC += $(AMIROLLD_switch_V1_DIR)alld_switch.c

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