C++ (Cpp) mraa_led_read_max_brightness 예제들

예제 #1

파일: led.c 프로젝트: mihaitghstefanescu/upm

led_context led_init_str(const char* name){
    // make sure MRAA is initialized
    int mraa_rv;
    if ((mraa_rv = mraa_init()) != MRAA_SUCCESS)
    {
        printf("%s: mraa_init() failed (%d).\n", __FUNCTION__, mraa_rv);
        return NULL;
    }

    led_context dev =
      (led_context)malloc(sizeof(struct _led_context));

    if (!dev)
        return NULL;

    dev->led_pin = -1;
    dev->gpio = NULL;

    dev->name = name;
    dev->gpioled = mraa_led_init(name);

    if (!dev->gpioled) {
        printf("%s: Unable to initialize gpioled device (%s).\n", __FUNCTION__, dev->name);
        free(dev);
        return NULL;
    }

    dev->max_brightness = mraa_led_read_max_brightness(dev->gpioled);

    return dev;
}

예제 #2

파일: led.hpp 프로젝트: KurtE/mraa

 /**
  * Read LED maximum brightness value
  *
  * @return LED max brightness value
  */
 int
 readMaxBrightness()
 {
     return mraa_led_read_max_brightness(m_led);
 }