/* heartbeat - blinker task */
void vTaskLEDBlinker(void *pvParameters) {
	const char *pcTaskName = "vTaskLEDBlinker is running\n";
	//led_red_init();
	for (;;) {
		/* vPrintString(pcTaskName); */
		led_red_invert();
		vTaskDelay(500 / portTICK_RATE_MS);
		led_red_invert();
		led_green_invert();
		vTaskDelay(500 / portTICK_RATE_MS);
		led_green_invert();
		led_blue_invert();
		vTaskDelay(500 / portTICK_RATE_MS);
		led_blue_invert();
	}
}