finish lab

main.c

@@ -6,27 +6,68 @@
 #include  CMSIS_device_header
 #include "cmsis_os2.h"
 #include "EventRecorder.h"
+ 
+const osThreadAttr_t thread1_attr = {
+	.priority = osPriorityNormal, // Set initial thread priority to high
+	.name = "BLOCKER"
+};
+
+const osThreadAttr_t thread2_attr = {
+	.priority = osPriorityAboveNormal4,
+	.name = "RESUMER"
+};
+
+const osThreadAttr_t thread3_attr = {
+	.priority = osPriorityAboveNormal,
+	.name = "DUMMY_WAITER"
+};
+
+const osThreadAttr_t thread4_attr = {
+	.priority = osPriorityLow,
+	.name = "DO_NOTHING"
+};
+ 
+ 
 /*----------------------------------------------------------------------------
  * Application main thread
  *---------------------------------------------------------------------------*/
-__NO_RETURN static void app_main (void *argument) {
+__NO_RETURN static void Thread_1 (void *args) {
-  (void)argument;
+  osThreadId_t* id = (osThreadId_t*)args;
-  // ...
+	osStatus_t status;
-  for (;;) {}
+  for (;;) {
+		osThreadState_t state = osThreadGetState(*id);
+		if(state != osThreadBlocked) { // Thread run
+			osThreadSuspend(*id);
+		}
+		status = osDelay(50);
+	}
 }
 
-void task1(void *args) {
+__NO_RETURN static void Thread_2(void *args) {
-	(void)args;
+	osThreadId_t* id = (osThreadId_t*)args;
-	for(;;) {}
+	osStatus_t status;
+	for(;;) {
+		osThreadState_t state = osThreadGetState(*id);
+		if(state == osThreadBlocked) { // Thread suspended
+			osThreadResume(*id);
+		}	
+		status = osDelay(20);
+	}
 }
 
-__NO_RETURN static void task2(void *args) {
+__NO_RETURN static void Thread_3(void *args) {
 	(void)args;
-	for(;;) {}
+	uint32_t i = 0;
+	osStatus_t status;
+	for(;;) {
+		i = (i+1) % 10;
+		status = osDelay(i);
+	}
 }
 
-__NO_RETURN static void task3(void *args) {
+__NO_RETURN static void Thread_4(void *args) {
 	(void)args;
+	osStatus_t status;
 	for(;;) {}
 }
  
@@ -36,11 +77,18 @@ int main (void) {
   SystemCoreClockUpdate();
   EventRecorderInitialize(EventRecordAll, 1U);
 	
+	osThreadId_t thread1;
+	osThreadId_t thread2;
+	osThreadId_t thread3;
+	osThreadId_t thread4;
+ 
   osKernelInitialize();                 // Initialize CMSIS-RTOS
-  thread1 = osThreadNew(app_main, NULL, NULL);    // Create application main thread
+	
-	osThreadNew(task1, NULL, NULL);
+  thread1 = osThreadNew(Thread_1, &thread4, &thread1_attr);
-	osThreadNew(task2, NULL, NULL);
+	thread2 = osThreadNew(Thread_2, &thread4, &thread2_attr);
-	osThreadNew(task3, NULL, NULL);
+	thread3 = osThreadNew(Thread_3, NULL, &thread3_attr);
+	thread4 = osThreadNew(Thread_4, NULL, &thread4_attr);
+  
 	osKernelStart();                      // Start thread execution
   for (;;) {}
 }