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https://github.com/yoboujon/dumber.git
synced 2025-06-08 13:50:49 +02:00
Added semaphore for ManageCamera Task. Added some comments.
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parent
9df1899580
commit
0792fc301d
2 changed files with 94 additions and 49 deletions
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@ -18,7 +18,7 @@
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#include "tasks.h"
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#include <stdexcept>
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// Déclaration des priorités des taches
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// Task priority: higher has the best priority
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#define PRIORITY_TSERVER 30
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#define PRIORITY_TOPENCOMROBOT 20
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#define PRIORITY_TMOVE 20
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@ -76,6 +76,7 @@ void Tasks::Init() {
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cerr << "Error mutex create: " << strerror(-err) << endl << flush;
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exit(EXIT_FAILURE);
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}
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// Added Mutexes
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if (err = rt_mutex_create(&mutex_batteryGet, NULL)) {
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cerr << "Error mutex create: " << strerror(-err) << endl << flush;
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@ -118,6 +119,16 @@ void Tasks::Init() {
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cerr << "Error semaphore create: " << strerror(-err) << endl << flush;
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exit(EXIT_FAILURE);
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}
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// Added Semaphores
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if (err = rt_sem_create(&sem_manageCamera, NULL, 0, S_FIFO)) {
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cerr << "Error semaphore create: " << strerror(-err) << endl << flush;
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exit(EXIT_FAILURE);
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}
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if (err = rt_sem_create(&sem_arenaChoice, NULL, 0, S_FIFO)) {
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cerr << "Error semaphore create: " << strerror(-err) << endl << flush;
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exit(EXIT_FAILURE);
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}
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cout << "Semaphores created successfully" << endl << flush;
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/**************************************************************************************/
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@ -209,6 +220,7 @@ void Tasks::Run() {
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cerr << "Error task start: " << strerror(-err) << endl << flush;
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exit(EXIT_FAILURE);
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}
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// Added Tasks
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if (err = rt_task_start(&th_battery, (void(*)(void*)) & Tasks::BatteryStatusTask, this)) {
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cerr << "Error task start: " << strerror(-err) << endl << flush;
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@ -218,7 +230,7 @@ void Tasks::Run() {
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cerr << "Error task start: " << strerror(-err) << endl << flush;
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exit(EXIT_FAILURE);
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}
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if (err = rt_task_start(&th_cameraImage, (void(*)(void*)) & Tasks::ImageCamera, this)) {
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if (err = rt_task_start(&th_cameraImage, (void(*)(void*)) & Tasks::ImageCameraTask, this)) {
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cerr << "Error task start: " << strerror(-err) << endl << flush;
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exit(EXIT_FAILURE);
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}
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@ -336,44 +348,63 @@ void Tasks::ReceiveFromMonTask(void *arg) {
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rt_mutex_release(&mutex_move);
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}
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// Added messages
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// Battery
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else if (msgRcv->CompareID(MESSAGE_ROBOT_BATTERY_GET)) {
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rt_mutex_acquire(&mutex_batteryGet, TM_INFINITE);
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robotBatteryGet = true;
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rt_mutex_release(&mutex_batteryGet);
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}
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// Camera
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else if (msgRcv->CompareID(MESSAGE_CAM_OPEN)) {
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rt_mutex_acquire(&mutex_cameraStatus, TM_INFINITE);
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if(cameraStatus == CameraStatusEnum::CLOSED)
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if(CameraStatusEnum::CLOSED == cameraStatus)
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cameraStatus = CameraStatusEnum::OPENING;
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rt_mutex_release(&mutex_cameraStatus);
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// Calling manageCamera, unblocking the thread.
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rt_sem_v(&sem_manageCamera, TM_INFINITE);
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}
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else if (msgRcv->CompareID(MESSAGE_CAM_CLOSE)) {
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rt_mutex_acquire(&mutex_cameraStatus, TM_INFINITE);
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if(cameraStatus == CameraStatusEnum::OPENED)
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if(CameraStatusEnum::OPENED == cameraStatus)
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cameraStatus = CameraStatusEnum::CLOSING;
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rt_mutex_release(&mutex_cameraStatus);
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// Calling manageCamera, unblocking the thread.
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rt_sem_v(&sem_manageCamera, TM_INFINITE);
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}
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// Arena
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else if (msgRcv->CompareID(MESSAGE_CAM_ASK_ARENA)) {
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rt_mutex_acquire(&mutex_arenaStatus, TM_INFINITE);
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if(arenaStatus == ArenaStatusEnum::NONE)
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if(ArenaStatusEnum::NONE == arenaStatus)
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arenaStatus = ArenaStatusEnum::SEARCHING;
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rt_mutex_release(&mutex_arenaStatus);
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// Calling arenaChoice, unblocking the thread.
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rt_sem_v(&sem_arenaChoice, TM_INFINITE);
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}
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else if (msgRcv->CompareID(MESSAGE_CAM_ARENA_CONFIRM)) {
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// Debug purpose only
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std::cout << "\n\n\nArena Confirm asked !!!\n\n\n" << std::endl;
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rt_mutex_acquire(&mutex_arenaStatus, TM_INFINITE);
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if(arenaStatus == ArenaStatusEnum::SEARCHED)
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if(ArenaStatusEnum::SEARCHED == arenaStatus)
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arenaStatus = ArenaStatusEnum::CONFIRM;
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rt_mutex_release(&mutex_arenaStatus);
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// Calling arenaChoice, unblocking the thread.
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rt_sem_v(&sem_arenaChoice, TM_INFINITE);
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}
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else if (msgRcv->CompareID(MESSAGE_CAM_ARENA_INFIRM)) {
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// Debug purpose only
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std::cout << "\n\n\nArena Infirm asked !!!\n\n\n" << std::endl;
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rt_mutex_acquire(&mutex_arenaStatus, TM_INFINITE);
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if(arenaStatus == ArenaStatusEnum::SEARCHED)
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if(ArenaStatusEnum::SEARCHED == arenaStatus)
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arenaStatus = ArenaStatusEnum::INFIRM;
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rt_mutex_release(&mutex_arenaStatus);
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// Calling arenaChoice, unblocking the thread.
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rt_sem_v(&sem_arenaChoice, TM_INFINITE);
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}
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else if (msgRcv->CompareID(MESSAGE_CAM_IMAGE)) {
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@ -518,7 +549,9 @@ Message *Tasks::ReadInQueue(RT_QUEUE *queue) {
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return msg;
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}
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/* OUR CODE */
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/* ------------ */
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/* Added Tasks */
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/* ------------ */
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void Tasks::BatteryStatusTask(void * arg) {
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// Variables
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@ -562,18 +595,18 @@ void Tasks::ManageCameraTask(void * arg)
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int rs(0);
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CameraStatusEnum cs(CameraStatusEnum::CLOSED);
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// Checking if all tasks started
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cout << "Start " << __PRETTY_FUNCTION__ << endl << flush;
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// Synchronization barrier (waiting that all tasks are starting)
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rt_sem_p(&sem_barrier, TM_INFINITE);
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/* The task starts here */
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rt_task_set_periodic(NULL, TM_NOW, 500000000);
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while(1)
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{
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rt_task_wait_period(NULL);
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// Called when semaphore arenChoice incremented
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rt_sem_p(&sem_manageCamera, TM_INFINITE);
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// Verify that the robot has started
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// (maybe deleted next, because not useful) -> Camera could be started without it
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rt_mutex_acquire(&mutex_robotStarted, TM_INFINITE);
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rs = robotStarted;
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rt_mutex_release(&mutex_robotStarted);
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@ -598,38 +631,7 @@ void Tasks::ManageCameraTask(void * arg)
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}
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}
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MessageID Tasks::OpenCamera()
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{
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cout << "Called " << __PRETTY_FUNCTION__ << endl << flush;
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// Opening camera
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rt_mutex_acquire(&mutex_camera, TM_INFINITE);
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const bool isOpened = cam->Open();
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rt_mutex_release(&mutex_camera);
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// Changing status
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if(isOpened)
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{
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rt_mutex_acquire(&mutex_cameraStatus, TM_INFINITE);
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cameraStatus = CameraStatusEnum::OPENED;
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rt_mutex_release(&mutex_cameraStatus);
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}
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return (isOpened ? MESSAGE_ANSWER_ACK : MESSAGE_ANSWER_NACK);
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}
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void Tasks::CloseCamera()
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{
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cout << "\n\nCalled " << __PRETTY_FUNCTION__ << "\n\n" << flush;
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// Closing Camera
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rt_mutex_acquire(&mutex_camera, TM_INFINITE);
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cam->Close();
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rt_mutex_release(&mutex_camera);
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// Changing Status
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rt_mutex_acquire(&mutex_cameraStatus, TM_INFINITE);
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cameraStatus = CameraStatusEnum::CLOSED;
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rt_mutex_release(&mutex_cameraStatus);
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}
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void Tasks::ImageCamera(void * arg)
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void Tasks::ImageCameraTask(void * arg)
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{
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cout << "Start " << __PRETTY_FUNCTION__ << endl << flush;
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// Synchronization barrier (waiting that all tasks are starting)
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@ -673,7 +675,7 @@ void Tasks::ArenaChoiceTask(void * arg)
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while(1)
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{
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// Get semaphore
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// Called when semaphore arenChoice incremented
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rt_sem_p(&sem_arenaChoice, TM_INFINITE);
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// Check the status of the arena
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rt_mutex_acquire(&mutex_arenaStatus, TM_INFINITE);
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@ -743,4 +745,39 @@ void Tasks::ArenaChoiceTask(void * arg)
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rt_mutex_release(&mutex_arenaStatus);
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}
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}
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}
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/* --------------- */
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/* Added functions */
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/* --------------- */
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MessageID Tasks::OpenCamera()
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{
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cout << "Called " << __PRETTY_FUNCTION__ << endl << flush;
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// Opening camera
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rt_mutex_acquire(&mutex_camera, TM_INFINITE);
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const bool isOpened = cam->Open();
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rt_mutex_release(&mutex_camera);
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// Changing status
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if(isOpened)
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{
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rt_mutex_acquire(&mutex_cameraStatus, TM_INFINITE);
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cameraStatus = CameraStatusEnum::OPENED;
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rt_mutex_release(&mutex_cameraStatus);
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}
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return (isOpened ? MESSAGE_ANSWER_ACK : MESSAGE_ANSWER_NACK);
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}
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void Tasks::CloseCamera()
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{
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cout << "\n\nCalled " << __PRETTY_FUNCTION__ << "\n\n" << flush;
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// Closing Camera
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rt_mutex_acquire(&mutex_camera, TM_INFINITE);
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cam->Close();
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rt_mutex_release(&mutex_camera);
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// Changing Status
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rt_mutex_acquire(&mutex_cameraStatus, TM_INFINITE);
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cameraStatus = CameraStatusEnum::CLOSED;
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rt_mutex_release(&mutex_cameraStatus);
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}
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@ -122,6 +122,9 @@ private:
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RT_SEM sem_openComRobot;
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RT_SEM sem_serverOk;
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RT_SEM sem_startRobot;
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// Used to call ManageCameraTask (non-periodic)
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RT_SEM sem_manageCamera;
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// Used to call ArenaChoiceTask (non-periodic)
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RT_SEM sem_arenaChoice;
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/**********************************************************************/
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@ -164,14 +167,19 @@ private:
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void MoveTask(void *arg);
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/* OUR CODE */
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/* ------------ */
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/* Added Tasks */
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/* ------------ */
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void BatteryStatusTask(void * arg);
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void ManageCameraTask(void * arg);
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void ImageCamera(void * arg);
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void ImageCameraTask(void * arg);
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void ArenaChoiceTask(void * arg);
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// Utility functions
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/* --------------- */
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/* Added functions */
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/* --------------- */
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MessageID OpenCamera();
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void CloseCamera();
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