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(libusb) libusb changes

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This commit is contained in:
twinaphex 2015-04-06 04:53:05 +02:00
parent eaf2ea860a
commit a670f3466c
1 changed files with 54 additions and 16 deletions
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70
input/drivers_hid/libusb_hid.c
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@ -1,6 +1,6 @@
/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2015 - Daniel De Matteis
*
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
@ -33,6 +33,10 @@ struct libusb_adapter
struct libusb_device *device;
libusb_device_handle *handle;
int interface_number;
int endpoint_in;
int endpoint_out;
int endpoint_in_max_size;
int endpoint_out_max_size;
uint8_t manufacturer_name[255];
uint8_t name[255];
@ -54,13 +58,15 @@ static void adapter_thread(void *data)
{
driver_t *driver = driver_get_ptr();
libusb_hid_t *hid = (libusb_hid_t*)driver->hid_data;
int size = 0;
libusb_interrupt_transfer(adapter->handle, adapter->endpoint_in, &adapter->data[0], adapter->endpoint_in_max_size, &size, 0);
#if 0
static unsigned count;
fprintf(stderr, "[%s] Gets here, count: %d\n", adapter->name, count++);
#endif
if (adapter && hid)
pad_connection_packet(&hid->slots[adapter->slot], adapter->slot,
adapter->data, sizeof(adapter->data) - 1);
adapter->data, size);
}
}
@ -69,8 +75,10 @@ static void libusb_hid_device_send_control(void *data,
{
struct libusb_adapter *adapter = (struct libusb_adapter*)data;
int report_number = data_buf[0];
int tmp;
if (adapter)
#if 0
libusb_control_transfer(adapter->handle,
LIBUSB_REQUEST_TYPE_CLASS|LIBUSB_RECIPIENT_INTERFACE|LIBUSB_ENDPOINT_OUT,
0x09/*HID Set_Report*/,
@ -78,6 +86,9 @@ static void libusb_hid_device_send_control(void *data,
adapter->interface_number,
data_buf, size,
1000/*timeout millis*/);
#endif
// TODO: push this to the adapter thread
libusb_interrupt_transfer(adapter->handle, adapter->endpoint_out, data_buf, size, &tmp, 0);
}
static void libusb_hid_device_add_autodetect(unsigned idx,
@ -97,7 +108,7 @@ static void libusb_hid_device_add_autodetect(unsigned idx,
}
static void libusb_get_description(struct libusb_device *device,
int *interface_number)
struct libusb_adapter *adapter)
{
unsigned i, j, k;
struct libusb_config_descriptor *config;
@ -116,20 +127,41 @@ static void libusb_get_description(struct libusb_device *device,
{
const struct libusb_interface_descriptor *interdesc = &inter->altsetting[j];
*interface_number = (int)interdesc->bInterfaceNumber;
fprintf(stderr, "Interface Number: %d.\n", (int)interdesc->bInterfaceNumber);
fprintf(stderr, "Number of endpoints: %d.\n", (int)interdesc->bNumEndpoints);
for(k = 0; k < (int)interdesc->bNumEndpoints; k++)
//if (interdesc->bInterfaceClass == LIBUSB_CLASS_HID)
{
const struct libusb_endpoint_descriptor *epdesc = &interdesc->endpoint[k];
fprintf(stderr, "Descriptor Type: %d.\n", (int)epdesc->bDescriptorType);
fprintf(stderr, "EP Address: %d.\n", (int)epdesc->bEndpointAddress);
adapter->interface_number = (int)interdesc->bInterfaceNumber;
fprintf(stderr, "Interface Number: %d.\n", (int)interdesc->bInterfaceNumber);
fprintf(stderr, "Number of endpoints: %d.\n", (int)interdesc->bNumEndpoints);
for(k = 0; k < (int)interdesc->bNumEndpoints; k++)
{
const struct libusb_endpoint_descriptor *epdesc = &interdesc->endpoint[k];
bool is_int = (epdesc->bmAttributes & LIBUSB_TRANSFER_TYPE_MASK) == LIBUSB_TRANSFER_TYPE_INTERRUPT;
bool is_out = (epdesc->bEndpointAddress & LIBUSB_ENDPOINT_DIR_MASK) == LIBUSB_ENDPOINT_OUT;
bool is_in = (epdesc->bEndpointAddress & LIBUSB_ENDPOINT_DIR_MASK) == LIBUSB_ENDPOINT_IN;
if (is_int)
{
if (is_in)
{
adapter->endpoint_in = epdesc->bEndpointAddress;
adapter->endpoint_in_max_size = epdesc->wMaxPacketSize;
}
if (is_out)
{
adapter->endpoint_out = epdesc->bEndpointAddress;
adapter->endpoint_out_max_size = epdesc->wMaxPacketSize;
}
}
fprintf(stderr, "Descriptor Type: %d.\n", (int)epdesc->bDescriptorType);
fprintf(stderr, "EP Address: %d.\n", (int)epdesc->bEndpointAddress);
}
}
goto ret;
}
}
ret:
libusb_free_config_descriptor(config);
}
@ -158,6 +190,14 @@ static int add_adapter(void *data, struct libusb_device *dev)
adapter->device = dev;
libusb_get_description(adapter->device, adapter);
if (adapter->endpoint_in == 0)
{
fprintf(stderr, "Could not find HID config for device.\n");
goto error;
}
rc = libusb_open (adapter->device, &adapter->handle);
if (rc != LIBUSB_SUCCESS)
@ -190,14 +230,12 @@ static int add_adapter(void *data, struct libusb_device *dev)
fprintf(stderr, "Error detaching handle 0x%p from kernel.\n", adapter->handle);
goto error;
}
device_name = (const char*)adapter->name;
adapter->slot = pad_connection_pad_init(hid->slots,
device_name, desc.idVendor, desc.idProduct, adapter, &libusb_hid_device_send_control);
libusb_get_description(adapter->device, &adapter->interface_number);
if (!pad_connection_has_interface(hid->slots, adapter->slot))
{
fprintf(stderr, "Interface not found (%s).\n", adapter->name);
@ -416,7 +454,7 @@ static void *libusb_hid_init(void)
ret = libusb_hotplug_register_callback(NULL,
LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED |
LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT, 0,
LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT, 0,
LIBUSB_HOTPLUG_MATCH_ANY,
LIBUSB_HOTPLUG_MATCH_ANY,
LIBUSB_HOTPLUG_MATCH_ANY,