/**
******************************************************************************
* @file cpu_utils.c
* @author MCD Application Team
* @version V1.1.0
* @date 20-November-2014
* @brief Utilities for CPU Load calculation
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
*
* 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 STMicroelectronics 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.
*
******************************************************************************
*/
/********************** NOTES **********************************************
一、【查询CPU使用率】 要使用此功能，应遵循以下步骤:
1、STM32CubeMX软件中找到FREERTOS。选择Config parameters项,找到[USE_IDLE_HOOK][USE_TICK_HOOK]并使能。
选择Include parameters项,找到[vTaskDelayUntil]并使能。
2、在FreeOS_Config.h中定义以下宏定义: 注意！！！是在用户代码区定义，否则会被清除。！！！
#define traceTASK_SWITCHED_IN() extern void StartIdleMonitor(void);StartIdleMonitor()
#define traceTASK_SWITCHED_OUT() extern void EndIdleMonitor(void);EndIdleMonitor()
3、[获取CPU使用率] usage = osGetCPUUsage();
二、【查询CPU温度】 要使用此功能，应遵循以下步骤:
1、STM32CubeMX软件中找到ADCX(可能是ADC1/ADC2等等)，在Mode项，找到Temperature Sensor Channel(温度传感器)，并勾选。
选择Parameter Settings项，ADC_Settings-->Continuous Conversion Mode(连续转换模式),使能连续转换。
选择Parameter Settings项，Rank-->Sampling Time,设置为[239.5 Cycles],如果有更大，选更大。
选择Parameter Settings项，ADC Injected Conversion Mode-->Injected Conversion Mode(连续转换模式)，选择Auto Injected Mode(自动采集模式)
选择DMA Settings项，Mode设置为Cirular(循环模式)，Data Width设置为Word。
2、通过这个[CPU_TEMP_EN]宏定义来控制，查询CPU温度的代码是否编译。
3、[使用方法]：用于存储采集到CPU温度的两个变量本文件已定义，使用时，加入 #include "cpu_utils.h" 即可。
HAL_ADC_Start_DMA(&hadc1, &CPU_Temp_AD, 1); //在RTOS任务的循环外调用该采集函数
CPU_TEMP = osGetCPUTemp(&hadc1);//得到真正温度，需要读取温度时调用
*******************************************************************************/
/* Includes ------------------------------------------------------------------*/
#include "cpu_utils.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define CPU_TEMP_EN 1 //0不启用，1启动
/* Private macro -------------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
xTaskHandle xIdleHandle = NULL;
__IO uint32_t osCPU_Usage = 0;
uint32_t osCPU_IdleStartTime = 0;
uint32_t osCPU_IdleSpentTime = 0;
uint32_t osCPU_TotalIdleTime = 0;
volatile double CPU_TEMP = 0; //用于存放温度值
volatile uint32_t CPU_Temp_AD = 0; //用于存放温度AD值
/* Private functions ---------------------------------------------------------*/
/**
* @brief Application Idle Hook
* @param None
* @retval None
*/
void vApplicationIdleHook(void)
{
if( xIdleHandle == NULL )
{
/* Store the handle to the idle task. */
xIdleHandle = xTaskGetCurrentTaskHandle();
}
}
/**
* @brief Application Idle Hook
* @param None
* @retval None
*/
void vApplicationTickHook (void)
{
static int tick = 0;
if(tick ++ > CALCULATION_PERIOD)
{
tick = 0;
if(osCPU_TotalIdleTime > 1000)
{
osCPU_TotalIdleTime = 1000;
}
osCPU_Usage = (100 - (osCPU_TotalIdleTime * 100) / CALCULATION_PERIOD);
osCPU_TotalIdleTime = 0;
}
}
/**
* @brief Start Idle monitor
* @param None
* @retval None
*/
void StartIdleMonitor (void)
{
if( xTaskGetCurrentTaskHandle() == xIdleHandle )
{
osCPU_IdleStartTime = xTaskGetTickCountFromISR();
}
}
/**
* @brief Stop Idle monitor
* @param None
* @retval None
*/
void EndIdleMonitor (void)
{
if( xTaskGetCurrentTaskHandle() == xIdleHandle )
{
/* Store the handle to the idle task. */
osCPU_IdleSpentTime = xTaskGetTickCountFromISR() - osCPU_IdleStartTime;
osCPU_TotalIdleTime += osCPU_IdleSpentTime;
}
}
/*********************************************
函数名：osGetCPUUsage
功 能：得到CPU使用率 %
形 参：
返回值：
备 注：
**********************************************/
uint16_t osGetCPUUsage (void)
{
return (uint16_t)osCPU_Usage;
}
/*********************************************
函数名：osGetCPUTemp
功 能：得到CPU内部温度
形 参：hadc--ADC选择 Temp_AD--ADC采集的模拟量
返回值：
备 注：(1.43 - 3.3/4095 * SampleValue)/0.0043 + 25
笔 记：MX配置生成的ADC默认1000，未找到原因
**********************************************/
#if CPU_TEMP_EN
double osGetCPUTemp(ADC_HandleTypeDef* hadc)
{
static uint8_t i = 0;
double temp = 0;
if(i == 0)
{
i = 1;
HAL_ADC_Start_DMA(hadc, (uint32_t *)&CPU_Temp_AD, 1);
HAL_Delay(5);
}
for(uint8_t a = 0; a < 10; a++)
{
temp += CPU_Temp_AD;
HAL_Delay(2);
}
return (1.43 - (temp/1000/10)) + 25;
//return CPU_Temp_AD;
}
#endif
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
/**
******************************************************************************
* @file cpu_utils.h
* @author MCD Application Team
* @version V1.1.0
* @date 20-November-2014
* @brief Header for cpu_utils module
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
*
* 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 STMicroelectronics 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.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef _CPU_UTILS_H__
#define _CPU_UTILS_H__
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "cmsis_os.h"
#include "stm32f1xx_hal.h"
/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/* Exported variables --------------------------------------------------------*/
extern volatile double CPU_TEMP;
extern volatile uint32_t CPU_Temp_AD;
/* Exported macro ------------------------------------------------------------*/
#define CALCULATION_PERIOD 1000
/* Exported functions ------------------------------------------------------- */
uint16_t osGetCPUUsage (void);
double osGetCPUTemp(ADC_HandleTypeDef* hadc);
#ifdef __cplusplus
}
#endif
#endif /* _CPU_UTILS_H__ */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/