C++ (Cpp) cavan_event_get_key_bitmask示例

示例#1

文件： input.c 项目： FuangCao/cavan

static int cavan_input_device_probe(struct cavan_event_device *event_dev, void *data)
{
	int ret;
	int fd = event_dev->fd;
	uint8_t key_bitmask[KEY_BITMASK_SIZE];
	uint8_t abs_bitmask[ABS_BITMASK_SIZE];
	uint8_t rel_bitmask[REL_BITMASK_SIZE];
	struct cavan_input_device *dev, *head, *tail;

	ret = cavan_event_get_abs_bitmask(fd, abs_bitmask);
	if (ret < 0) {
		pr_error_info("cavan_event_get_abs_bitmask");
		return ret;
	}

	ret = cavan_event_get_key_bitmask(fd, key_bitmask);
	if (ret < 0) {
		pr_error_info("cavan_event_get_key_bitmask");
		return ret;
	}

	ret = cavan_event_get_rel_bitmask(fd, rel_bitmask);
	if (ret < 0) {
		pr_error_info("cavan_event_get_rel_bitmask");
		return ret;
	}

	head = tail = NULL;

	while (1) {
		dev = cavan_input_device_create(key_bitmask, abs_bitmask, rel_bitmask);
		if (dev == NULL) {
			break;
		}

		dev->event_dev = event_dev;

		if (dev->probe && dev->probe(dev, data) < 0) {
			free(dev);
			continue;
		}

		if (head) {
			tail->next = dev;
			tail = dev;
		} else {
			head = tail = dev;
		}
	}

	if (head == NULL) {
		pr_red_info("can't recognize device");
		return -EINVAL;
	}

	tail->next = NULL;
	event_dev->private_data = head;

	return 0;
}

示例#2

文件： touchscreen.c 项目： Jack19881218/cavan

bool cavan_touch_device_matcher(struct cavan_event_matcher *matcher, void *data)
{
	int ret;
	uint8_t abs_bitmask[ABS_BITMASK_SIZE];
	uint8_t key_bitmask[KEY_BITMASK_SIZE];

	ret = cavan_event_get_abs_bitmask(matcher->fd, abs_bitmask);
	if (ret < 0)
	{
		pr_error_info("cavan_event_get_abs_bitmask");
		return false;
	}

	if (cavan_multi_touch_device_match(abs_bitmask))
	{
		pr_green_info("Deivce %s mutil touch screen", matcher->devname);
		return true;
	}

	ret = cavan_event_get_key_bitmask(matcher->fd, key_bitmask);
	if (ret < 0)
	{
		pr_error_info("cavan_event_get_key_bitmask");
		return false;
	}

	return cavan_single_touch_device_match(abs_bitmask, key_bitmask);
}

示例#3

文件： keypad.c 项目： FuangCao/cavan

bool cavan_keypad_device_matcher(struct cavan_event_matcher *matcher, void *data)
{
	int ret;
	uint8_t key_bitmask[KEY_BITMASK_SIZE];

	ret = cavan_event_get_key_bitmask(matcher->fd, key_bitmask);
	if (ret < 0) {
		pr_error_info("cavan_event_get_key_bitmask");
		return ret;
	}

	return cavan_keypad_device_match(key_bitmask);
}

示例#4

文件： touchscreen.c 项目： Jack19881218/cavan

bool cavan_single_touch_device_matcher(struct cavan_event_matcher *matcher, void *data)
{
	int ret;
	uint8_t abs_bitmask[ABS_BITMASK_SIZE];
	uint8_t key_bitmask[KEY_BITMASK_SIZE];

	ret = cavan_event_get_abs_bitmask(matcher->fd, abs_bitmask);
	if (ret < 0)
	{
		pr_error_info("cavan_event_get_abs_bitmask");
		return false;
	}

	ret = cavan_event_get_key_bitmask(matcher->fd, key_bitmask);
	if (ret < 0)
	{
		pr_error_info("cavan_event_get_key_bitmask");
		return false;
	}

	return cavan_single_touch_device_match(abs_bitmask, key_bitmask);
}