C++ (Cpp) omap_pwm_led_set_blink Beispiele

Beispiel #1

static void omap_pwm_led_power_on(struct omap_pwm_led *led)
{
	if (led->powered)
		return;
	led->powered = 1;

	/* Select clock */
	omap_dm_timer_enable(led->intensity_timer);
	omap_dm_timer_set_source(led->intensity_timer, OMAP_TIMER_SRC_32_KHZ);

	/* Turn voltage on */
	if (led->pdata->set_power != NULL)
		led->pdata->set_power(led->pdata, 1);

	/* Enable PWM timers */
	if (led->blink_timer != NULL) {
		omap_dm_timer_enable(led->blink_timer);
		omap_dm_timer_set_source(led->blink_timer,
					 OMAP_TIMER_SRC_32_KHZ);
		omap_pwm_led_set_blink(led);
	}

	omap_dm_timer_write_counter(led->intensity_timer, 0xffffffff);
	omap_dm_timer_set_load(led->intensity_timer, 1, 0xffffff00);
}

Beispiel #2

static void omap_pwm_led_power_on(struct omap_pwm_led *led)
{
	pr_debug("%s%s: \n", PASS1,__func__);
	printk("!!!!!!!!!!%s the brightness is %d \n",__func__, led->brightness);
	
	if (led->powered){
		printk("!!!!!!!!!!LED powered, returning \n");
		return;
	}
	led->powered = 1;

	/* Select clock */
	omap_dm_timer_enable(led->intensity_timer);
	omap_dm_timer_set_source(led->intensity_timer, OMAP_TIMER_SRC_SYS_CLK);
	omap_dm_timer_set_prescaler(led->intensity_timer, 0);

	/* Turn voltage on */
	if (led->pdata->set_power != NULL) {
		printk("!!!!!!!!!!Turn voltage on \n");
		led->pdata->set_power(led->pdata, 1);
	}

	/* Enable PWM timers */
	if (led->blink_timer != NULL) {
		printk("!!!!!!!!!!Enable PWM timers \n");
		omap_dm_timer_enable(led->blink_timer);
		omap_dm_timer_set_source(led->blink_timer,
					 OMAP_TIMER_SRC_32_KHZ);
		omap_pwm_led_set_blink(led);
	}

	omap_dm_timer_set_load(led->intensity_timer, 1, 0xffffff00);
}

Beispiel #3

static void omap_pwm_led_power_on(struct omap_pwm_led *led)
{
	if (led->powered)
		return;
	led->powered = 1;

	pr_debug("%s: brightness: %i\n", 
			__func__, led->brightness);
	
	/* Select clock */
	omap_dm_timer_set_source(led->intensity_timer, OMAP_TIMER_SRC_SYS_CLK);

	/* Turn voltage on */
	if (led->pdata->set_power != NULL)
		led->pdata->set_power(led->pdata, 1);

	/* explicitly enable the timer, saves some SAR later */
	omap_dm_timer_enable(led->intensity_timer);
	
	/* Enable PWM timers */
	if (led->blink_timer != NULL) {
		omap_dm_timer_set_source(led->blink_timer,
					 OMAP_TIMER_SRC_32_KHZ);
		omap_pwm_led_set_blink(led);
	}
}

Beispiel #4

static ssize_t omap_pwm_led_off_period_store(struct device *dev,
					struct device_attribute *attr,
					const char *buf, size_t size)
{
	pr_debug("%s%s: \n", PASS1,__func__);
	struct led_classdev *led_cdev = dev_get_drvdata(dev);
	struct omap_pwm_led *led = cdev_to_omap_pwm_led(led_cdev);
	int ret = -EINVAL;
	unsigned long val;
	char *after;
	size_t count;

	val = simple_strtoul(buf, &after, 10);
	count = after - buf;
	if (*after && isspace(*after))
		count++;

	if (count == size) {
		led->off_period = val;
		omap_pwm_led_set_blink(led);
		ret = count;
	}

	return ret;
}

Beispiel #5

Datei: leds-omap-pwm.c Projekt: mrtos/Logitech-Revue

static ssize_t omap_pwm_led_off_period_store(struct class_device *cdev,
					     const char *buf, size_t size)
{
	struct led_classdev *led_cdev = class_get_devdata(cdev);
	struct omap_pwm_led *led = cdev_to_omap_pwm_led(led_cdev);
	int ret = -EINVAL;
	unsigned long val;
	char *after;
	size_t count;

	val = simple_strtoul(buf, &after, 10);
	count = after - buf;
	if (*after && isspace(*after))
		count++;

	if (count == size) {
		led->off_period = val;
		omap_pwm_led_set_blink(led);
		ret = count;
	}

	return ret;
}