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look for synchrous usb endpoints for use with SCO connections

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matthias.ringwald@gmail.com 2015-02-13 11:53:08 +00:00
parent ff34c5fd2d
commit 3e55dd8f6a
1 changed files with 36 additions and 18 deletions
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54
platforms/posix/src/hci_transport_h2_libusb.c
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@ -310,28 +310,46 @@ static void scan_for_bt_endpoints(void) {
// get endpoints from interface descriptor
struct libusb_config_descriptor *config_descriptor;
r = libusb_get_active_config_descriptor(dev, &config_descriptor);
log_info("configuration: %u interfaces", config_descriptor->bNumInterfaces);
const struct libusb_interface *interface = config_descriptor->interface;
const struct libusb_interface_descriptor * interface0descriptor = interface->altsetting;
log_info("interface 0: %u endpoints", interface0descriptor->bNumEndpoints);
int num_interfaces = config_descriptor->bNumInterfaces;
log_info("active configuration has %u interfaces", num_interfaces);
const struct libusb_endpoint_descriptor *endpoint = interface0descriptor->endpoint;
int i;
for (i = 0; i < num_interfaces ; i++){
const struct libusb_interface *interface = &config_descriptor->interface[i];
const struct libusb_interface_descriptor * interface_descriptor = interface->altsetting;
log_info("interface %u: %u endpoints", i, interface_descriptor->bNumEndpoints);
for (r=0;r<interface0descriptor->bNumEndpoints;r++,endpoint++){
log_info("endpoint %x, attributes %x", endpoint->bEndpointAddress, endpoint->bmAttributes);
const struct libusb_endpoint_descriptor *endpoint = interface_descriptor->endpoint;
if ((endpoint->bmAttributes & 0x3) == LIBUSB_TRANSFER_TYPE_INTERRUPT){
event_in_addr = endpoint->bEndpointAddress;
log_info("Using 0x%2.2X for HCI Events", event_in_addr);
}
if ((endpoint->bmAttributes & 0x3) == LIBUSB_TRANSFER_TYPE_BULK){
if (endpoint->bEndpointAddress & 0x80) {
acl_in_addr = endpoint->bEndpointAddress;
log_info("Using 0x%2.2X for ACL Data In", acl_in_addr);
} else {
acl_out_addr = endpoint->bEndpointAddress;
log_info("Using 0x%2.2X for ACL Data Out", acl_out_addr);
for (r=0;r<interface_descriptor->bNumEndpoints;r++,endpoint++){
log_info("- endpoint %x, attributes %x", endpoint->bEndpointAddress, endpoint->bmAttributes);
switch (endpoint->bmAttributes & 0x3){
case LIBUSB_TRANSFER_TYPE_INTERRUPT:
event_in_addr = endpoint->bEndpointAddress;
log_info("-> using 0x%2.2X for HCI Events", event_in_addr);
break;
case LIBUSB_TRANSFER_TYPE_BULK:
if (endpoint->bEndpointAddress & 0x80) {
acl_in_addr = endpoint->bEndpointAddress;
log_info("-> using 0x%2.2X for ACL Data In", acl_in_addr);
} else {
acl_out_addr = endpoint->bEndpointAddress;
log_info("-> using 0x%2.2X for ACL Data Out", acl_out_addr);
}
break;
case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS:
if (endpoint->bEndpointAddress & 0x80) {
// acl_in_addr = endpoint->bEndpointAddress;
log_info("-> using 0x%2.2X for SCO Data In", endpoint->bEndpointAddress);
} else {
// acl_out_addr = endpoint->bEndpointAddress;
log_info("-> using 0x%2.2X for SCO Data Out", endpoint->bEndpointAddress);
}
break;
default:
break;
}
}
}