File content as of revision 0:de03cbbcd0ff:

/*
 * Copyright (C) 2009-2012 by Matthias Ringwald
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the copyright holders nor the names of
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 * 4. Any redistribution, use, or modification is done solely for
 *    personal benefit and not for any commercial purpose or for
 *    monetary gain.
 *
 * THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * Please inquire about commercial licensing options at btstack@ringwald.ch
 *
 */

/*
 *  hci_transport_usb.cpp
 *
 *  HCI Transport API implementation for USB
 *
 *  Created by Matthias Ringwald on 7/5/09.
 */

// delock bt class 2 - csr
// 0a12:0001 (bus 27, device 2)

// Interface Number - Alternate Setting - suggested Endpoint Address - Endpoint Type - Suggested Max Packet Size 
// HCI Commands 0 0 0x00 Control 8/16/32/64 
// HCI Events   0 0 0x81 Interrupt (IN) 16 
// ACL Data     0 0 0x82 Bulk (IN) 32/64 
// ACL Data     0 0 0x02 Bulk (OUT) 32/64 

#include <stdio.h>
#include <string.h>
#include "config.h"
#include "debug.h"
#include "hci.h"
#include "hci_transport.h"
#include "hci_dump.h"
#include "usbbt.h"
// prototypes
static int usb_close(void *transport_config);
    
enum {
    LIB_USB_CLOSED = 0,
    LIB_USB_OPENED,
    LIB_USB_DEVICE_OPENDED,
    LIB_USB_KERNEL_DETACHED,
    LIB_USB_INTERFACE_CLAIMED,
    LIB_USB_TRANSFERS_ALLOCATED
} libusb_state = LIB_USB_CLOSED;

// single instance
static hci_transport_t * hci_transport_usb = NULL;
static usbbt* bt = NULL;
static int usb_process_ds(struct data_source *ds) {
    if (bt) {
        bt->poll();
    }
    return 0;
}

static int usb_open(void *transport_config){
    log_info("usb_open\n");
    data_source_t *ds = (data_source_t*)malloc(sizeof(data_source_t));
    ds->process = usb_process_ds;
    run_loop_add_data_source(ds);
    return 0;
}
static int usb_close(void *transport_config){

    return 0;
}

static int usb_send_packet(uint8_t packet_type, uint8_t * packet, int size){
    //log_info("usb_send_packet\n");
    if (bt) {
        bt->send_packet(packet_type, packet, size);
    }
    return 0;
}

static void usb_register_packet_handler(void (*handler)(uint8_t packet_type, uint8_t *packet, uint16_t size)){
    log_info("registering packet handler\n");
    if (bt) {
        bt->setOnPacket(handler);
    }
}

static const char * usb_get_transport_name(void){
    return "USB";
}

// get usb singleton
hci_transport_t * hci_transport_usb_instance() {
    if (!bt) {
        bt = new usbbt;
        bt->setup();
    }
    if (!hci_transport_usb) {
        hci_transport_usb = (hci_transport_t*)malloc( sizeof(hci_transport_t));
        hci_transport_usb->open                          = usb_open;
        hci_transport_usb->close                         = usb_close;
        hci_transport_usb->send_packet                   = usb_send_packet;
        hci_transport_usb->register_packet_handler       = usb_register_packet_handler;
        hci_transport_usb->get_transport_name            = usb_get_transport_name;
        hci_transport_usb->set_baudrate                  = NULL;
        hci_transport_usb->can_send_packet_now           = NULL;
    }
    return hci_transport_usb;
}