#include <Adafruit_NeoPixel.h>
#include <Arduino_FreeRTOS.h>
#include <semphr.h>
#include <task.h>

#define numPixels 12

const uint8_t pins[2] = {21, 20};
const char *taskName[2] = {"1", "2"};


SemaphoreHandle_t UncleSem;
TaskHandle_t ring1TaskHandle;
TaskHandle_t ring2TaskHandle;


void setup() {
  Serial.begin(115200);
  UncleSem = xSemaphoreCreateBinary();
  xSemaphoreGive(UncleSem);
  xTaskCreate(infinity1, taskName[0], configMINIMAL_STACK_SIZE, NULL, 0, &ring1TaskHandle);
  xTaskCreate(infinity2, taskName[1], configMINIMAL_STACK_SIZE, NULL, 0, &ring2TaskHandle);
  vTaskStartScheduler();
}

void infinity1(void *p) {
  Adafruit_NeoPixel loading(numPixels, pins[0]);
  loading.begin();
  for (;;) {
    xSemaphoreTake(UncleSem, portMAX_DELAY);

    for (uint8_t i = 0; i < 4; i++) {
      loading.setPixelColor(i, 255, 255, 255);
      loading.show();
      delay(500);
      loading.clear();
    }

    xSemaphoreGive(UncleSem);
    vTaskDelay(pdMS_TO_TICKS(50));
  }
  vTaskDelete(NULL);
}

void infinity2(void *p) {
  Adafruit_NeoPixel loading(numPixels, pins[1]);
  loading.begin();
  for (;;) {
    xSemaphoreTake(UncleSem, portMAX_DELAY);

    for (uint8_t i = 9; i > 5; i--) {
      loading.setPixelColor(i, 255, 255, 255);
      loading.show();
      delay(500);
      loading.clear();
    }
    xSemaphoreGive(UncleSem);
    vTaskDelay(pdMS_TO_TICKS(50));
  }
  vTaskDelete(NULL);
}


void loop() {
  // Empty loop, as FreeRTOS is managing the tasks
}