BTstack for EA LPC4088 QSB example program
Dependencies: LPC4088-USBHost mbed
Fork of KL46Z-BTstack_example by
The usage is the same as KL46Z-BTstack_example.
使い方はKL46Z-BTstack_exampleと同じです。
Diff: KL46Z-USBHostBTstack/USBHostBTstack.cpp
- Revision:
- 4:cf1b23f4dcd4
- Parent:
- 3:54f9b5e0d12d
- Child:
- 5:56897116e6b0
--- a/KL46Z-USBHostBTstack/USBHostBTstack.cpp Sat Jan 25 12:58:21 2014 +0000 +++ b/KL46Z-USBHostBTstack/USBHostBTstack.cpp Fri Jan 31 15:06:38 2014 +0000 @@ -10,6 +10,7 @@ #define BT_DBG(...) while(0); #define BT_DBG_BYTES(S,BUF,LEN) while(0); #endif +#define USB_INFO(...) do{fprintf(stderr,__VA_ARGS__);fprintf(stderr,"\r\n");}while(0); #define HCI_COMMAND_DATA_PACKET 0x01 #define HCI_ACL_DATA_PACKET 0x02 @@ -19,21 +20,112 @@ USBHostBTstack::USBHostBTstack() { host = USBHost::getHostInst(); + init(); m_pCb = NULL; } +void USBHostBTstack::init() +{ + BT_DBG(""); + dev = NULL; + int_in = NULL; + bulk_in = NULL; + bulk_out = NULL; + btstack_intf = -1; + btstack_device_found = false; + dev_connected = false; + ep_int_in = false; + ep_bulk_in = false; + ep_bulk_out = false; +} + bool USBHostBTstack::connected() { - return true; + return dev_connected; } bool USBHostBTstack::connect() { - return true; + if (dev_connected) { + return true; + } + + for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) { + if ((dev = host->getDevice(i)) != NULL) { + + BT_DBG("Trying to connect BTstack device\r\n"); + + if(host->enumerate(dev, this)) { + break; + } + if (btstack_device_found) { + int_in = dev->getEndpoint(btstack_intf, INTERRUPT_ENDPOINT, IN); + bulk_in = dev->getEndpoint(btstack_intf, BULK_ENDPOINT, IN); + bulk_out = dev->getEndpoint(btstack_intf, BULK_ENDPOINT, OUT); + if (!int_in || !bulk_in || !bulk_out) { + continue; + } + USB_INFO("New BTstack device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, btstack_intf); + //dev->setName("BTstack", btstack_intf); + //host->registerDriver(dev, btstack_intf, this, &USBHostBTstack::init); + + //int_in->attach(this, &USBHostBTstack::int_rxHandler); + //host->interruptRead(dev, int_in, int_report, int_in->getSize(), false); + + //bulk_in->attach(this, &USBHostBTstack::bulk_rxHandler); + //host->bulkRead(dev, bulk_in, bulk_report, bulk_in->getSize(), false); + + dev_connected = true; + return true; + } + } + } + init(); + return false; } +/*virtual*/ void USBHostBTstack::setVidPid(uint16_t vid, uint16_t pid) +{ + BT_DBG("vid:%04x,pid:%04x", vid, pid); +} + +/*virtual*/ bool USBHostBTstack::parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) //Must return true if the interface should be parsed +{ + BT_DBG("intf_nb=%d,intf_class=%02X,intf_subclass=%d,intf_protocol=%d", intf_nb, intf_class, intf_subclass, intf_protocol); + if ((btstack_intf == -1) && intf_class == 0xe0) { + btstack_intf = intf_nb; + return true; + } + return false; +} + +/*virtual*/ bool USBHostBTstack::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used +{ + BT_DBG("intf_nb:%d,type:%d,dir:%d",intf_nb, type, dir); + if (intf_nb == btstack_intf) { + if (ep_int_in == false && type == INTERRUPT_ENDPOINT && dir == IN) { + ep_int_in = true; + } else if (ep_bulk_in == false && type == BULK_ENDPOINT && dir == IN) { + ep_bulk_in = true; + } else if (ep_bulk_out == false && type == BULK_ENDPOINT && dir == OUT) { + ep_bulk_out = true; + } else { + return false; + } + if (ep_int_in && ep_bulk_in && ep_bulk_out) { + btstack_device_found = true; + } + return true; + } + return false; +} + int USBHostBTstack::open() { + BT_DBG("%p", this); + if (!connect()) { + error("Bluetooth not found.\n"); + } return 0; } @@ -67,18 +159,20 @@ void USBHostBTstack::poll() { - int result = host->InterruptRead(int_report, sizeof(int_report)); - if (result >= 0) { - BT_DBG_BYTES("HCI_EVT:", int_report, result); + USB_TYPE rc = host->interruptRead(dev, int_in, int_report, sizeof(int_report)); + if (rc == USB_TYPE_OK) { + int len = int_in->getLengthTransferred(); + BT_DBG_BYTES("HCI_EVT:", int_report, len); if (m_pCb) { - m_pCb(HCI_EVENT_PACKET, int_report, result); + m_pCb(HCI_EVENT_PACKET, int_report, len); } } - result = host->BulkRead(bulk_report, sizeof(bulk_report), 0); + int result = host->BulkRead(bulk_in, bulk_report, sizeof(bulk_report), 0); if (result >= 0) { - BT_DBG_BYTES("HCI_ACL_RECV:", bulk_report, result); + int len = bulk_in->getLengthTransferred(); + BT_DBG_BYTES("HCI_ACL_RECV:", bulk_report, len); if (m_pCb) { - m_pCb(HCI_ACL_DATA_PACKET, bulk_report, result); + m_pCb(HCI_ACL_DATA_PACKET, bulk_report, len); } } }