rusefi-1/firmware/hw_layer/openblt/led.c

109 lines
4.4 KiB
C

/************************************************************************************//**
* \file Demo/ARMCM4_STM32F4_Nucleo_F429ZI_GCC/Bootled.c
* \brief LED driver source file.
* \ingroup Boot_ARMCM4_STM32F4_Nucleo_F429ZI_GCC
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2021 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You have received a copy of the GNU General Public License along with OpenBLT. It
* should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
*
* \endinternal
****************************************************************************************/
/****************************************************************************************
* Include files
****************************************************************************************/
#include "boot.h" /* bootloader generic header */
#include "led.h" /* module header */
#ifdef STM32F429xx
#include "stm32f4xx.h" /* STM32 CPU and HAL header */
#endif
#ifdef STM32F767xx
#include "stm32f7xx.h" /* STM32 CPU and HAL header */
#endif
#ifdef STM32H743xx
#include "stm32h7xx.h" /* STM32 CPU and HAL header */
#endif
/****************************************************************************************
* Local data declarations
****************************************************************************************/
/** \brief Holds the desired LED blink interval time. */
static blt_int16u ledBlinkIntervalMs;
/************************************************************************************//**
** \brief Initializes the LED blink driver.
** \param interval_ms Specifies the desired LED blink interval time in milliseconds.
** \return none.
**
****************************************************************************************/
void LedBlinkInit(blt_int16u interval_ms)
{
/* store the interval time between LED toggles */
ledBlinkIntervalMs = interval_ms;
} /*** end of LedBlinkInit ***/
/************************************************************************************//**
** \brief Task function for blinking the LED as a fixed timer interval.
** \return none.
**
****************************************************************************************/
void LedBlinkTask(void)
{
static blt_bool ledOn = BLT_FALSE;
static blt_int32u nextBlinkEvent = 0;
/* check for blink event */
if (TimerGet() >= nextBlinkEvent)
{
/* toggle the LED state */
if (ledOn == BLT_FALSE)
{
ledOn = BLT_TRUE;
HAL_GPIO_WritePin(STATUS_LED_PORT, STATUS_LED_PIN, GPIO_PIN_SET);
}
else
{
ledOn = BLT_FALSE;
HAL_GPIO_WritePin(STATUS_LED_PORT, STATUS_LED_PIN, GPIO_PIN_RESET);
}
/* schedule the next blink event */
nextBlinkEvent = TimerGet() + ledBlinkIntervalMs;
}
} /*** end of LedBlinkTask ***/
/************************************************************************************//**
** \brief Cleans up the LED blink driver. This is intended to be used upon program
** exit.
** \return none.
**
****************************************************************************************/
void LedBlinkExit(void)
{
/* turn the LED off */
HAL_GPIO_WritePin(STATUS_LED_PORT, STATUS_LED_PIN, GPIO_PIN_RESET);
} /*** end of LedBlinkExit ***/
/*********************************** end of led.c **************************************/