practical work N°1 finish
We measure that switching context time is around: - 20us without optimization, with EventRecorder - 6us without optimization, without EventRecorder - 2us with optimization (o2), without EventRecorder
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@ -64,7 +64,7 @@
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// <i> Defines how many ticks a thread will execute before a thread switch.
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// <i> Default: 5
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#ifndef OS_ROBIN_TIMEOUT
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#define OS_ROBIN_TIMEOUT 5
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#define OS_ROBIN_TIMEOUT 1
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#endif
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// </e>
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@ -20,15 +20,9 @@
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#define RTE_CMSIS_RTOS2 /* CMSIS-RTOS2 */
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#define RTE_CMSIS_RTOS2_RTX5 /* CMSIS-RTOS2 Keil RTX5 */
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#define RTE_CMSIS_RTOS2_RTX5_SOURCE /* CMSIS-RTOS2 Keil RTX5 Source */
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/* Keil.ARM Compiler::Compiler:Event Recorder:DAP:1.5.1 */
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#define RTE_Compiler_EventRecorder
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#define RTE_Compiler_EventRecorder_DAP
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/* Keil.ARM Compiler::Compiler:I/O:STDIN:User:1.2.0 */
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#define RTE_Compiler_IO_STDIN /* Compiler I/O: STDIN */
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#define RTE_Compiler_IO_STDIN_User /* Compiler I/O: STDIN User */
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/* Keil.ARM Compiler::Compiler:I/O:STDOUT:User:1.2.0 */
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/* Keil.ARM Compiler::Compiler:I/O:STDOUT:ITM:1.2.0 */
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#define RTE_Compiler_IO_STDOUT /* Compiler I/O: STDOUT */
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#define RTE_Compiler_IO_STDOUT_User /* Compiler I/O: STDOUT User */
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#define RTE_Compiler_IO_STDOUT_ITM /* Compiler I/O: STDOUT ITM */
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/* Keil::Device:STM32Cube Framework:Classic:1.2.7 */
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#define RTE_DEVICE_FRAMEWORK_CLASSIC
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/* Keil::Device:STM32Cube HAL:CRC:1.2.7 */
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@ -313,7 +313,7 @@
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</ArmAdsMisc>
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<Cads>
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<interw>1</interw>
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<Optim>1</Optim>
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<Optim>3</Optim>
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<oTime>0</oTime>
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<SplitLS>0</SplitLS>
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<OneElfS>1</OneElfS>
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@ -446,19 +446,7 @@
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<targetInfo name="Target 1"/>
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</targetInfos>
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</component>
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<component Cbundle="ARM Compiler" Cclass="Compiler" Cgroup="Event Recorder" Cvariant="DAP" Cvendor="Keil" Cversion="1.5.1" condition="Cortex-M Device">
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<package name="ARM_Compiler" schemaVersion="1.7.7" url="https://www.keil.com/pack/" vendor="Keil" version="1.7.2"/>
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<targetInfos>
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<targetInfo name="Target 1"/>
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</targetInfos>
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</component>
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<component Cbundle="ARM Compiler" Cclass="Compiler" Cgroup="I/O" Csub="STDIN" Cvariant="User" Cvendor="Keil" Cversion="1.2.0" condition="ARMCC Cortex-M">
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<package name="ARM_Compiler" schemaVersion="1.7.7" url="https://www.keil.com/pack/" vendor="Keil" version="1.7.2"/>
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<targetInfos>
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<targetInfo name="Target 1"/>
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</targetInfos>
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</component>
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<component Cbundle="ARM Compiler" Cclass="Compiler" Cgroup="I/O" Csub="STDOUT" Cvariant="User" Cvendor="Keil" Cversion="1.2.0" condition="ARMCC Cortex-M">
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<component Cbundle="ARM Compiler" Cclass="Compiler" Cgroup="I/O" Csub="STDOUT" Cvariant="ITM" Cvendor="Keil" Cversion="1.2.0" condition="ARMCC Cortex-M with ITM">
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<package name="ARM_Compiler" schemaVersion="1.7.7" url="https://www.keil.com/pack/" vendor="Keil" version="1.7.2"/>
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<targetInfos>
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<targetInfo name="Target 1"/>
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@ -543,12 +531,10 @@
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</targetInfos>
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</file>
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<file attr="config" category="header" name="Config\EventRecorderConf.h" version="1.1.0">
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<instance index="0">RTE\Compiler\EventRecorderConf.h</instance>
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<instance index="0" removed="1">RTE\Compiler\EventRecorderConf.h</instance>
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<component Cbundle="ARM Compiler" Cclass="Compiler" Cgroup="Event Recorder" Cvariant="DAP" Cvendor="Keil" Cversion="1.5.1" condition="Cortex-M Device"/>
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<package name="ARM_Compiler" schemaVersion="1.7.7" url="https://www.keil.com/pack/" vendor="Keil" version="1.7.2"/>
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<targetInfos>
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<targetInfo name="Target 1"/>
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</targetInfos>
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<targetInfos/>
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</file>
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<file attr="config" category="header" name="CMSIS\Driver\Config\RTE_Device.h" version="1.5.1">
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<instance index="0">RTE\Device\STM32F746NGHx\RTE_Device.h</instance>
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152
main.c
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152
main.c
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@ -0,0 +1,152 @@
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/*----------------------------------------------------------------------------
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* CMSIS-RTOS 'main' function template
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*---------------------------------------------------------------------------*/
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#include "stm32f7xx_hal.h"
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#include "RTE_Components.h"
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#include CMSIS_device_header
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#include "cmsis_os2.h"
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#include "string.h"
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#include <stdlib.h>
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#include "ext_uart.h"
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#ifdef RTE_Compiler_EventRecorder
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#include "EventRecorder.h"
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#endif
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#define NBR_COUNTER 4
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osThreadId_t idTask1, idTask2, idTask3, idTask4, idTask5;
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osMutexId_t mutexCounter[NBR_COUNTER];
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const osThreadAttr_t AttrTask1 = {
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.stack_size = 512, // Create the thread stack size
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.priority = osPriorityNormal, //Set initial thread priority to high
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.name = "Task 1"
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};
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const osThreadAttr_t AttrTask2 = {
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.stack_size = 512, // Create the thread stack size
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.priority = osPriorityNormal, //Set initial thread priority to high
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.name = "Task 2"
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};
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const osThreadAttr_t AttrTask3 = {
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.stack_size = 512, // Create the thread stack size
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.priority = osPriorityNormal, //Set initial thread priority to high
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.name = "Task 3"
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};
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const osThreadAttr_t AttrTask4 = {
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.stack_size = 512, // Create the thread stack size
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.priority = osPriorityNormal, //Set initial thread priority to high
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.name = "Task 4"
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};
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const osThreadAttr_t AttrTask5 = {
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.stack_size = 1024, // Create the thread stack size
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.priority = osPriorityHigh, //Set initial thread priority to high
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.name = "Task 5",
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};
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uint32_t counter[NBR_COUNTER];
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/*----------------------------------------------------------------------------
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* Thread Task counter
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*---------------------------------------------------------------------------*/
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__NO_RETURN static void taskCounter(void *argument) {
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uint8_t idCounter = (uint8_t) *((uint8_t* )argument);
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for (;;) {
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osMutexAcquire(mutexCounter[idCounter], osWaitForever);
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counter[idCounter]++;
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osMutexRelease(mutexCounter[idCounter]);
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}
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}
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/*----------------------------------------------------------------------------
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* Thread Task 5
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*---------------------------------------------------------------------------*/
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__NO_RETURN static void task5(void *argument) {
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uint32_t freq = osKernelGetTickFreq();
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uint32_t countTick = freq*5;
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for (;;) {
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uint32_t sum = 0;
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for(uint8_t i = 0; i < NBR_COUNTER; i++)
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{
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osMutexAcquire(mutexCounter[i], osWaitForever);
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sum += counter[i];
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printf("[%d] ", counter[i]);
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osMutexRelease(mutexCounter[i]);
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}
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printf("\r\nSum = %u\r\n", sum);
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osDelay(countTick);
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}
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}
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//------------------------------------------------------------------------------
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// Setup system clock to 216MHz
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//------------------------------------------------------------------------------
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void SystemClock_Config (void) {
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RCC_ClkInitTypeDef RCC_ClkInitStruct;
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RCC_OscInitTypeDef RCC_OscInitStruct;
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/* Enable HSE Oscillator and activate PLL with HSE as source */
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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RCC_OscInitStruct.HSIState = RCC_HSI_OFF;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLM = 25;
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RCC_OscInitStruct.PLL.PLLN = 432;
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RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
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RCC_OscInitStruct.PLL.PLLQ = 9;
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HAL_RCC_OscConfig(&RCC_OscInitStruct);
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/* Activate the OverDrive to reach the 216 MHz Frequency */
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HAL_PWREx_EnableOverDrive();
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/* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 clocks dividers */
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RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
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HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_7);
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}
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int main (void) {
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uint8_t task1_parameter = 0;
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uint8_t task2_parameter = 1;
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uint8_t task3_parameter = 2;
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uint8_t task4_parameter = 3;
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// System Initialization
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SystemCoreClockUpdate();
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SystemClock_Config();
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#ifdef RTE_Compiler_EventRecorder
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// Initialize and start Event Recorder
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// Ext_UART_Init(9600);
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EventRecorderInitialize(EventRecordAll, 1U);
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#endif
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osKernelInitialize(); // Initialize CMSIS-RTOS
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idTask1 = osThreadNew(taskCounter, &task1_parameter, &AttrTask1);
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idTask2 = osThreadNew(taskCounter, &task2_parameter, &AttrTask2);
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idTask3 = osThreadNew(taskCounter, &task3_parameter, &AttrTask3);
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idTask4 = osThreadNew(taskCounter, &task4_parameter, &AttrTask4);
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idTask5 = osThreadNew(task5, NULL, &AttrTask5);
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//----------------------------------------------------------------------------------------------
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// get names are placed for TraceAlyzer visualisation
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//----------------------------------------------------------------------------------------------
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osThreadGetName(idTask1);
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osThreadGetName(idTask2);
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osThreadGetName(idTask3);
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osThreadGetName(idTask4);
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osThreadGetName(idTask5);
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osKernelStart();
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// Start thread execution
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for (;;) {
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}
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}
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