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void blink_task(void *pvParameter)
{
    /* Configure the IOMUX register for pad BLINK_GPIO (some pads are
       muxed to GPIO on reset already, but some default to other
       functions and need to be switched to GPIO. Consult the
       Technical Reference for a list of pads and their default
       functions.)
    */
    gpio_pad_select_gpio(BLINK_GPIO);
    /* Set the GPIO as a push/pull output */
    gpio_set_direction(BLINK_GPIO, GPIO_MODE_OUTPUT);
    while(1) {

      [b]  ESP_LOGI(TAG,  "============inside blink_task ============! ");[/b]
        /* Blink off (output low) */
        gpio_set_level(BLINK_GPIO, 0);
        
		vTaskDelay(10000 / portTICK_PERIOD_MS);
        /* Blink on (output high) */
        gpio_set_level(BLINK_GPIO, 1);
    
		vTaskDelay(5000 / portTICK_PERIOD_MS);

    }
}