144 lines
3.9 KiB
C++
144 lines
3.9 KiB
C++
/*!
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* Copyright (c) 2021 Bosch Sensortec GmbH. All rights reserved.
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*
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* BSD-3-Clause
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* @file label_provider.cpp
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* @date 03 Jan 2024
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* @version 2.1.5
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*
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* @brief label provider
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*
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*
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*/
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/* own header include */
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#include "label_provider.h"
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volatile gas_label labelProvider::_label;
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volatile bool labelProvider::_but1_pressed, labelProvider::_but2_pressed;
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QueueHandle_t labelProvider::_queue = nullptr;
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/*!
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* @brief The constructor of the label_provider class
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*/
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labelProvider::labelProvider()
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{}
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/*!
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* @brief This function initializes the label provider module
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*/
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void labelProvider::begin()
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{
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_but1_pressed = false;
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_but2_pressed = false;
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_queue = xQueueCreate(2, sizeof(gas_label));
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/* Button interrupts setup and attachment */
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pinMode(PIN_BUTTON_1, INPUT_PULLUP);
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pinMode(PIN_BUTTON_2, INPUT_PULLUP);
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attachInterrupt(digitalPinToInterrupt(PIN_BUTTON_1), isr_button1, CHANGE);
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attachInterrupt(digitalPinToInterrupt(PIN_BUTTON_2), isr_button2, CHANGE);
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}
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/*!
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* @brief This function is the interrupt function, that handles the button press of the first button
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*/
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void labelProvider::isr_button1()
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{
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/* check if button is pressed or idle */
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if (_but1_pressed == false)
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{
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/* determine if only this button or both are pressed and set helper button label */
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_but1_pressed = true;
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if (_but2_pressed)
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{
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_label = BSEC_CLASS_3;
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}
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else
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{
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_label = BSEC_CLASS_1;
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}
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}
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else
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{
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/* if both buttons are released, user label according to helper button label */
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_but1_pressed = false;
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if (!_but2_pressed)
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{
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xQueueSendFromISR(_queue, (const void*)&_label, 0);
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}
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}
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}
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/*!
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* @brief This function is the interrupt function, that handles the button press of the second button
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*/
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void labelProvider::isr_button2()
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{
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/* check if button is pressed or idle */
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if (_but2_pressed == false)
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{
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/* determine if only this button or both are pressed and set helper button label */
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_but2_pressed = true;
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if (_but1_pressed)
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{
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_label = BSEC_CLASS_3;
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}
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else
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{
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_label = BSEC_CLASS_2;
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}
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}
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else
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{
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/* if both buttons are released, user label according to helper button label */
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_but2_pressed = false;
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if (!_but1_pressed)
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{
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xQueueSendFromISR(_queue, (const void*)&_label, 0);
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}
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}
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}
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/*!
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* @brief This function retrieves the current label
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*/
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bool labelProvider::get_label(gas_label &label)
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{
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return xQueueReceive(_queue, &label, 0);
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}
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