Esempi in C++ (Cpp) per l2cap_chan_create_seg

Esempio n. 1

File: l2cap.c Progetto: hudkmr/zephyr

static int l2cap_chan_le_send(struct bt_l2cap_le_chan *ch, struct net_buf *buf,
			      uint16_t sdu_hdr_len)
{
	int len;

	/* Wait for credits */
	nano_sem_take(&ch->tx.credits, TICKS_UNLIMITED);

	buf = l2cap_chan_create_seg(ch, buf, sdu_hdr_len);
	if (!buf) {
		return -ENOMEM;
	}

	/* Channel may have been disconnected while waiting for credits */
	if (!ch->chan.conn) {
		net_buf_unref(buf);
		return -ECONNRESET;
	}

	BT_DBG("ch %p cid 0x%04x len %u credits %u", ch, ch->tx.cid,
	       buf->len, ch->tx.credits.nsig);

	len = buf->len;

	bt_l2cap_send(ch->chan.conn, ch->tx.cid, buf);

	return len;
}

Esempio n. 2

File: l2cap.c Progetto: cyysu/AliOS-Things

static int l2cap_chan_le_send(struct bt_l2cap_le_chan *ch, struct net_buf *buf,
			      uint16_t sdu_hdr_len)
{
	int len;

	/* Wait for credits */
	if (k_sem_take(&ch->tx.credits, K_NO_WAIT)) {
		BT_DBG("No credits to transmit packet");
		return -EAGAIN;
	}

	buf = l2cap_chan_create_seg(ch, buf, sdu_hdr_len);
	if (!buf) {
		return -ENOMEM;
	}

	/* Channel may have been disconnected while waiting for credits */
	if (!ch->chan.conn) {
		net_buf_unref(buf);
		return -ECONNRESET;
	}

	BT_DBG("ch %p cid 0x%04x len %u credits %u", ch, ch->tx.cid,
	       buf->len, k_sem_count_get(&ch->tx.credits));

	len = buf->len;

	bt_l2cap_send(ch->chan.conn, ch->tx.cid, buf);

	return len;
}