drivers: bluetooth: hci: Support ISO packets in ST HCI SPI BT driver (7392bf28) · Commits · Wenxi XU / zephyr

drivers/bluetooth/hci/hci_spi_st.c

+26 −0

Original line number	Diff line number	Diff line
		@@ -33,6 +33,7 @@ LOG_MODULE_REGISTER(bt_driver);
		#define HCI_ACL 0x02
		#define HCI_SCO 0x03
		#define HCI_EVT 0x04
		#define HCI_ISO 0x05
		/* ST Proprietary extended event */
		#define HCI_EXT_EVT 0x82

		@@ -406,6 +407,26 @@ static struct net_buf bt_spi_rx_buf_construct(uint8_t msg)
		}
		net_buf_add_mem(buf, &msg[1], len);
		break;
		#if defined(CONFIG_BT_ISO)
		case HCI_ISO:
		struct bt_hci_iso_hdr iso_hdr;

		buf = bt_buf_get_rx(BT_BUF_ISO_IN, timeout);
		if (buf) {
		memcpy(&iso_hdr, &msg[1], sizeof(iso_hdr));
		len = sizeof(iso_hdr) + bt_iso_hdr_len(sys_le16_to_cpu(iso_hdr.len));
		} else {
		LOG_ERR("No available ISO buffers!");
		return NULL;
		}
		if (len > net_buf_tailroom(buf)) {
		LOG_ERR("ISO too long: %d", len);
		net_buf_unref(buf);
		return NULL;
		}
		net_buf_add_mem(buf, &msg[1], len);
		break;
		#endif /* CONFIG_BT_ISO */
		default:
		LOG_ERR("Unknown BT buf type %d", msg[0]);
		return NULL;
		@@ -488,6 +509,11 @@ static int bt_spi_send(struct net_buf *buf)
		case BT_BUF_CMD:
		net_buf_push_u8(buf, HCI_CMD);
		break;
		#if defined(CONFIG_BT_ISO)
		case BT_BUF_ISO_OUT:
		net_buf_push_u8(buf, HCI_ISO);
		break;
		#endif /* CONFIG_BT_ISO */
		default:
		LOG_ERR("Unsupported type");
		return -EINVAL;