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query interface description for bluetooth endpoints

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This commit is contained in:
matthias.ringwald 2011-01-12 20:43:27 +00:00
parent 60085dbc01
commit 7ba356d267
1 changed files with 43 additions and 30 deletions
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73
src/hci_transport_usb.c
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@ -37,16 +37,14 @@
* Created by Matthias Ringwald on 7/5/09.
*/
// this is not even alpha... :)
// 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
// ACL Data 0 0 0x82 Bulk (IN) 32/64
// ACL Data 0 0 0x02 Bulk (OUT) 32/64
#include <stdio.h>
#include <strings.h>
@ -92,6 +90,10 @@ static struct libusb_transfer *control_transfer;
static struct libusb_transfer *bulk_in_transfer;
static struct libusb_transfer *bulk_out_transfer;
// endpoint addresses
static int event_in_addr;
static int acl_in_addr;
static int acl_out_addr;
static libusb_device * find_bt(libusb_device **devs) {
int i = 0;
@ -125,9 +127,7 @@ static void control_callback(struct libusb_transfer *transfer){
fprintf(stderr, "control_callback not completed!\n");
return;
}
printf("control_callback length=%d actual_length=%d\n",
transfer->length, transfer->actual_length);
// printf("control_callback length=%d actual_length=%d\n", transfer->length, transfer->actual_length);
}
static void bulk_out_callback(struct libusb_transfer *transfer){
@ -135,20 +135,17 @@ static void bulk_out_callback(struct libusb_transfer *transfer){
fprintf(stderr, "bulk_out_callback not completed!\n");
return;
}
printf("bulk_out_callback length=%d actual_length=%d\n",
transfer->length, transfer->actual_length);
// printf("bulk_out_callback length=%d actual_length=%d\n", transfer->length, transfer->actual_length);
}
static void event_callback(struct libusb_transfer *transfer)
{
printf("event_callback length=%d actual_length=%d: ",
transfer->length, transfer->actual_length);
// printf("event_callback length=%d actual_length=%d: ", transfer->length, transfer->actual_length);
if (transfer->status == LIBUSB_TRANSFER_COMPLETED) {
int i;
for (i=0;i<transfer->actual_length; i++) printf("0x%02x ", transfer->buffer[i]);
printf("\n");
// int i;
// for (i=0;i<transfer->actual_length; i++) printf("0x%02x ", transfer->buffer[i]);
// printf("\n");
hci_dump_packet( HCI_EVENT_PACKET, 1, transfer->buffer, transfer->actual_length);
packet_handler(HCI_EVENT_PACKET, transfer->buffer, transfer->actual_length);
@ -161,12 +158,11 @@ static void event_callback(struct libusb_transfer *transfer)
static void bulk_in_callback(struct libusb_transfer *transfer)
{
printf("bulk_in_callback length=%d actual_length=%d: \n",
transfer->length, transfer->actual_length);
// printf("bulk_in_callback length=%d actual_length=%d: \n", transfer->length, transfer->actual_length);
if (transfer->status == LIBUSB_TRANSFER_COMPLETED) {
int i;
for (i=0;i<transfer->actual_length; i++) printf("0x%02x ", transfer->buffer[i]);
printf("\n");
// int i;
// for (i=0;i<transfer->actual_length; i++) printf("0x%02x ", transfer->buffer[i]);
// printf("\n");
hci_dump_packet( HCI_EVENT_PACKET, 1, transfer->buffer, transfer->actual_length);
packet_handler(HCI_EVENT_PACKET, transfer->buffer, transfer->actual_length);
@ -219,7 +215,7 @@ static int usb_open(void *transport_config){
return r;
}
libusb_set_debug(0,3);
// libusb_set_debug(0,3);
// Detach OS driver (not possible for OS X)
#ifndef __APPLE__
@ -245,9 +241,13 @@ static int usb_open(void *transport_config){
}
libusb_state = LIB_USB_INTERFACE_CLAIMED;
printf("claimed interface 0\n");
/*
// get endpoints - broken on OS X until libusb 1.0.3
// default endpoint addresses
event_in_addr = 0x81;
acl_in_addr = 0x82;
acl_out_addr = 0x02;
// get endpoints from interface descriptor
struct libusb_config_descriptor *config_descriptor;
r = libusb_get_active_config_descriptor(dev, &config_descriptor);
printf("configuration: %u interfaces\n", config_descriptor->bNumInterfaces);
@ -257,8 +257,21 @@ static int usb_open(void *transport_config){
const struct libusb_endpoint_descriptor *endpoint = interface0descriptor->endpoint;
for (r=0;r<interface0descriptor->bNumEndpoints;r++,endpoint++){
printf("endpoint %x, attributes %x\n", endpoint->bEndpointAddress, endpoint->bmAttributes);
if ((endpoint->bmAttributes & 0x3) == LIBUSB_TRANSFER_TYPE_INTERRUPT){
event_in_addr = endpoint->bEndpointAddress;
printf("Using for HCI Events\n");
}
if ((endpoint->bmAttributes & 0x3) == LIBUSB_TRANSFER_TYPE_BULK){
if (endpoint->bEndpointAddress & 0x80) {
acl_in_addr = endpoint->bEndpointAddress;
printf("Using for ACL Data In\n");
} else {
acl_out_addr = endpoint->bEndpointAddress;
printf("Using for ACL Data Out\n");
}
}
}
*/
// allocation
control_transfer = libusb_alloc_transfer(0); // 0 isochronous transfers CMDs
interrupt_transfer = libusb_alloc_transfer(0); // 0 isochronous transfers Events
@ -271,7 +284,7 @@ static int usb_open(void *transport_config){
libusb_state = LIB_USB_TRANSFERS_ALLOCATED;
// interrupt (= HCI event) handler
libusb_fill_interrupt_transfer(interrupt_transfer, handle, 0x81, hci_event_buffer, 260, event_callback, NULL, 3000) ;
libusb_fill_interrupt_transfer(interrupt_transfer, handle, event_in_addr, hci_event_buffer, 260, event_callback, NULL, 3000) ;
// interrupt_transfer->flags = LIBUSB_TRANSFER_SHORT_NOT_OK;
r = libusb_submit_transfer(interrupt_transfer);
if (r) {
@ -281,7 +294,7 @@ static int usb_open(void *transport_config){
// bulk in (= ACL packets) handler
libusb_fill_bulk_transfer(bulk_in_transfer, handle, 0x82, hci_acl_in, HCI_ACL_3DH5_SIZE, bulk_in_callback, NULL, 3000) ;
libusb_fill_bulk_transfer(bulk_in_transfer, handle, acl_in_addr, hci_acl_in, HCI_ACL_3DH5_SIZE, bulk_in_callback, NULL, 3000) ;
// bulk_in_transfer->flags = LIBUSB_TRANSFER_SHORT_NOT_OK;
r = libusb_submit_transfer(bulk_in_transfer);
if (r) {
@ -334,7 +347,7 @@ static int usb_send_cmd_packet(uint8_t *packet, int size){
if (libusb_state != LIB_USB_TRANSFERS_ALLOCATED) return -1;
hci_dump_packet( HCI_COMMAND_DATA_PACKET, 0, packet, size);
printf("send HCI packet, len %u\n", size);
// printf("send HCI packet, len %u\n", size);
// send packet over USB
libusb_fill_control_setup(hci_cmd_out, LIBUSB_REQUEST_TYPE_CLASS, 0, 0, 0, size);
@ -357,7 +370,7 @@ static int usb_send_acl_packet(uint8_t *packet, int size){
hci_dump_packet( HCI_ACL_DATA_PACKET, 0, packet, size);
#if 1 // send packet over USB
libusb_fill_bulk_transfer(bulk_out_transfer, handle, 0x02, packet, size, bulk_out_callback, NULL, 1000);
libusb_fill_bulk_transfer(bulk_out_transfer, handle, acl_out_addr, packet, size, bulk_out_callback, NULL, 1000);
bulk_out_transfer->flags = LIBUSB_TRANSFER_SHORT_NOT_OK;
int r = libusb_submit_transfer(bulk_out_transfer);
if (r) {
@ -366,7 +379,7 @@ static int usb_send_acl_packet(uint8_t *packet, int size){
}
#else
int transferred;
int ret = libusb_bulk_transfer (handle, 0x02, packet, size, &transferred, 5000);
int ret = libusb_bulk_transfer (handle, acl_out_addr, packet, size, &transferred, 5000);
if(ret>=0){
printf("acl data transfer succeeded");
}else{