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| Original file line number | Diff line number | Diff line change |
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| /** | ||
| ****************************************************************************** | ||
| * @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 ********************************************** | ||
| To use this module, the following steps should be followed : | ||
| 1- in the _OS_Config.h file (ex. FreeRTOSConfig.h) enable the following macros : | ||
| - #define configUSE_IDLE_HOOK 1 | ||
| - #define configUSE_TICK_HOOK 1 | ||
| 2- in the _OS_Config.h define the following macros : | ||
| - #define traceTASK_SWITCHED_IN() extern void StartIdleMonitor(void); \ | ||
| StartIdleMonitor() | ||
| - #define traceTASK_SWITCHED_OUT() extern void EndIdleMonitor(void); \ | ||
| EndIdleMonitor() | ||
| *******************************************************************************/ | ||
|
|
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|
|
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| /* Includes ------------------------------------------------------------------*/ | ||
| #include "cpu_utils.h" | ||
|
|
||
| /* Private typedef -----------------------------------------------------------*/ | ||
| /* Private define ------------------------------------------------------------*/ | ||
| /* Private macro -------------------------------------------------------------*/ | ||
| /* Private function prototypes -----------------------------------------------*/ | ||
| /* Private variables ---------------------------------------------------------*/ | ||
|
|
||
| xTaskHandle xIdleHandle = NULL; | ||
| volatile uint32_t osCPU_Usage = 0; | ||
| uint32_t osCPU_IdleStartTime = 0; | ||
| uint32_t osCPU_IdleSpentTime = 0; | ||
| uint32_t osCPU_TotalIdleTime = 0; | ||
|
|
||
| /* 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; | ||
|
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| if(tick ++ > CALCULATION_PERIOD) | ||
| { | ||
| tick = 0; | ||
|
|
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| 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; | ||
| } | ||
| } | ||
|
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| /** | ||
| * @brief Stop Idle monitor | ||
| * @param None | ||
| * @retval None | ||
| */ | ||
| uint16_t osGetCPUUsage (void) | ||
| { | ||
| return (uint16_t)osCPU_Usage; | ||
| } | ||
|
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|
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| /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| /** | ||
| ****************************************************************************** | ||
| * @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. | ||
| * | ||
| ****************************************************************************** | ||
| */ | ||
|
|
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| /* Define to prevent recursive inclusion -------------------------------------*/ | ||
| #ifndef _CPU_UTILS_H__ | ||
| #define _CPU_UTILS_H__ | ||
|
|
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| #ifdef __cplusplus | ||
| extern "C" { | ||
| #endif | ||
|
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| /* Includes ------------------------------------------------------------------*/ | ||
| #include "cmsis_os.h" | ||
|
|
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| /* Exported types ------------------------------------------------------------*/ | ||
| /* Exported constants --------------------------------------------------------*/ | ||
| /* Exported variables --------------------------------------------------------*/ | ||
| /* Exported macro ------------------------------------------------------------*/ | ||
| #define CALCULATION_PERIOD 1000 | ||
|
|
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| /* Exported functions ------------------------------------------------------- */ | ||
| uint16_t osGetCPUUsage (void); | ||
|
|
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| #ifdef __cplusplus | ||
| } | ||
| #endif | ||
|
|
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| #endif /* _CPU_UTILS_H__ */ | ||
|
|
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| /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
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