#if CONFIG_FREERTOS_UNICORE
static const BaseType_t app_cpu = 0;
#else
static const BaseType_t app_cpu = 1;
#endif

const char msg[] = "Muhammad Shofuwan Anwar.";

static TaskHandle_t task1 = NULL;
static TaskHandle_t task2 = NULL;

// task
void startTask1 (void* parameter) {
  int msg_len = strlen(msg);

  while (1) {
    Serial.println();
    for (uint8_t x=0;x<msg_len;x++) {
      Serial.print(msg[x]);
    }
    Serial.println();

    vTaskDelay(1000 / portTICK_PERIOD_MS);
  }
}

void startTask2 (void* parameter) {
  while (1) {
    Serial.print("*");
    vTaskDelay(100 / portTICK_PERIOD_MS);
  }
}

void setup () {
  Serial.begin(300);
  
  vTaskDelay(1000 / portTICK_PERIOD_MS);
  Serial.println("\n---FreeRTOS Task Demo Preemtive---");

  // print self priority
  Serial.print("Setup and loop task running on core ");
  Serial.print(xPortGetCoreID());
  Serial.print(" with priority ");
  Serial.println(uxTaskPriorityGet(NULL));

  // Task run forever
  xTaskCreatePinnedToCore(startTask1, "task1", 1024, NULL, 1, &task1, app_cpu);
  xTaskCreatePinnedToCore(startTask2, "task2", 1024, NULL, 2, &task2, app_cpu);
}

void loop () {
  for (uint8_t x=0;x<3;x++) {
    vTaskSuspend(task2);
    vTaskDelay(5000 / portTICK_PERIOD_MS);
    vTaskResume(task2);
    vTaskDelay(2000 / portTICK_PERIOD_MS);
    Serial.print("\nIteration : ");
    Serial.println(x);
  }

  if (task1 != NULL) {
    vTaskDelete(task1);
    task1 = NULL;
  }
}