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libraries/bsec2/examples/bme68x_demo_sample/led_controller.cpp Normal file
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/*!
* Copyright (c) 2021 Bosch Sensortec GmbH. All rights reserved.
*
* BSD-3-Clause
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @file led_controller.cpp
* @date 03 Jan 2024
* @version 2.1.5
*
* @brief led controller
*
*
*/
/* own header include */
#include "led_controller.h"
/*!
* @brief The constructor of the led_controller class
*/
ledController::ledController()
{
previous_ret_code = EDK_OK;
}
/*!
* @brief This function initializes the led controller module
*/
void ledController::begin()
{
/* LED pin initialization for runtime monitoring and error indication */
pinMode(PIN_LED, OUTPUT);
digitalWrite(PIN_LED, LOW);
_led_on = false;
}
/*!
* @brief This function updates the led blinking pattern according to the
* provided period
*/
void ledController::switch_led(uint32_t period)
{
uint32_t time_stamp = millis();
if ((time_stamp - _time_stamp) >= period)
{
if (_led_on)
{
digitalWrite(PIN_LED, LOW);
_led_on = false;
}
else
{
digitalWrite(PIN_LED, HIGH);
_led_on = true;
}
_time_stamp = time_stamp;
}
}
/*!
* @brief This function updates the led controller status
*/
void ledController::update(demo_ret_code retcode)
{
if (retcode >= EDK_OK)
{
switch_led(LED_OK_PERIOD);
}
else
{
if (retcode != previous_ret_code)
{
Serial.println("Error code = " + String((int32_t) retcode));
previous_ret_code = retcode;
}
switch_led(LED_ERROR_PERIOD);
}
}