dumber/software/dumber3/Application/rtos_support.c

115 lines
3 KiB
C

/**
******************************************************************************
* @file motors.c
* @brief motors driver body
* @author S. DI MERCURIO (dimercur@insa-toulouse.fr)
* @date December 2023
*
******************************************************************************
* @copyright Copyright 2023 INSA-GEI, Toulouse, France. All rights reserved.
* @copyright This project is released under the Lesser GNU Public License (LGPL-3.0-only).
*
* @copyright This file is part of "Dumber" project
*
* @copyright This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* @copyright This program 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
* Lesser General Public License for more details.
* @copyright You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
******************************************************************************
*/
#include "rtos_support.h"
#include "stm32l0xx_ll_tim.h"
/** @addtogroup Application_Software
* @{
*/
/** @addtogroup RTOS_SUPPORT
* RTOS support module provide several functions for task run time measurement.
* @{
*/
/** @addtogroup RTOS_SUPPORT_Private Private
* @{
*/
uint16_t RTOS_SUPPORT_counter16bitUpper=0;
/**
* @brief TIM7 Initialization Function
*/
void RTOS_SUPPORT_Init(void) {
TIM_ClockConfigTypeDef sClockSourceConfig = { 0 };
TIM_HandleTypeDef htim7;
__HAL_RCC_TIM7_CLK_ENABLE();
htim7.Instance = TIM7;
htim7.Init.Prescaler = 0;
htim7.Init.CounterMode = TIM_COUNTERMODE_UP;
htim7.Init.Period = 65535;
htim7.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
htim7.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
if (HAL_TIM_Base_Init(&htim7) != HAL_OK)
{
Error_Handler();
}
sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
if (HAL_TIM_ConfigClockSource(&htim7, &sClockSourceConfig) != HAL_OK) {
Error_Handler();
}
/* TIM7 interrupt Init */
LL_TIM_EnableIT_UPDATE(TIM7);
HAL_NVIC_SetPriority(TIM7_IRQn, 1, 0);
HAL_NVIC_EnableIRQ(TIM7_IRQn);
RTOS_SUPPORT_counter16bitUpper=0;
LL_TIM_EnableCounter(TIM7);
}
/**
* @brief Get 32bit emulated timer based on TIM7
*
* @return 32bit timer
*/
uint32_t RTOS_SUPPORT_GetTimer(void) {
uint16_t currentVal=LL_TIM_GetCounter(TIM7);
return (uint32_t)((((uint32_t)RTOS_SUPPORT_counter16bitUpper)<<16) + (uint32_t)currentVal);
}
/**
* @brief This function handles TIM7 update interrupt for 32bit
*/
void TIM7_IRQHandler(void) {
LL_TIM_ClearFlag_UPDATE(TIM7);
RTOS_SUPPORT_counter16bitUpper++;
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/