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/*
* File : winusb.c
* COPYRIGHT (C) 2008 - 2016, RT-Thread Development Team
*
* Change Logs:
* Date Author Notes
* 2017-11-16 ZYH first version
*/
#include <rthw.h>
#include <rtthread.h>
#include <rtservice.h>
#include <rtdevice.h>
#include <drivers/usb_device.h>
#include "winusb.h"
struct winusb_device
{
uep_t ep_out;
uep_t ep_in;
};
typedef struct winusb_device * winusb_device_t;
static struct udevice_descriptor dev_desc =
{
USB_DESC_LENGTH_DEVICE, //bLength;
USB_DESC_TYPE_DEVICE, //type;
USB_BCD_VERSION, //bcdUSB;
0x00, //bDeviceClass;
0x00, //bDeviceSubClass;
0x00, //bDeviceProtocol;
0x40, //bMaxPacketSize0;
_VENDOR_ID, //idVendor;
_PRODUCT_ID, //idProduct;
USB_BCD_DEVICE, //bcdDevice;
USB_STRING_MANU_INDEX, //iManufacturer;
USB_STRING_PRODUCT_INDEX, //iProduct;
USB_STRING_SERIAL_INDEX, //iSerialNumber;
USB_DYNAMIC, //bNumConfigurations;
};
//FS and HS needed
static struct usb_qualifier_descriptor dev_qualifier =
{
sizeof(dev_qualifier),
USB_DESC_TYPE_DEVICEQUALIFIER,
0x0200,
0x00,
0x00,
64,
0x01,
0,
};
struct winusb_descriptor _winusb_desc =
{
#ifdef RT_USB_DEVICE_COMPOSITE
/* Interface Association Descriptor */
USB_DESC_LENGTH_IAD,
USB_DESC_TYPE_IAD,
USB_DYNAMIC,
0x01,
0xFF,
0x00,
0x00,
0x00,
#endif
/*interface descriptor*/
USB_DESC_LENGTH_INTERFACE, //bLength;
USB_DESC_TYPE_INTERFACE, //type;
USB_DYNAMIC, //bInterfaceNumber;
0x00, //bAlternateSetting;
0x02, //bNumEndpoints
0xFF, //bInterfaceClass;
0x00, //bInterfaceSubClass;
0x00, //bInterfaceProtocol;
0x00, //iInterface;
/*endpoint descriptor*/
USB_DESC_LENGTH_ENDPOINT,
USB_DESC_TYPE_ENDPOINT,
USB_DYNAMIC | USB_DIR_OUT,
USB_EP_ATTR_BULK,
0x40,
0x00,
/*endpoint descriptor*/
USB_DESC_LENGTH_ENDPOINT,
USB_DESC_TYPE_ENDPOINT,
USB_DYNAMIC | USB_DIR_IN,
USB_EP_ATTR_BULK,
0x40,
0x00,
};
const static char* _ustring[] =
{
"Language",
"RT-Thread Team.",
"RTT Win USB",
"32021919830108",
"Configuration",
"Interface",
USB_STRING_OS//must be
};
struct usb_os_proerty winusb_proerty[] =
{
USB_OS_PROERTY_DESC(USB_OS_PROERTY_TYPE_REG_SZ,"DeviceInterfaceGUID","{6860DC3C-C05F-4807-8807-1CA861CC1D66}"),
};
struct usb_os_function_comp_id_descriptor winusb_func_comp_id_desc =
{
.bFirstInterfaceNumber = USB_DYNAMIC,
.reserved1 = 0x01,
.compatibleID = {'W', 'I', 'N', 'U', 'S', 'B', 0x00, 0x00},
.subCompatibleID = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
.reserved2 = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
};
static rt_err_t _ep_out_handler(ufunction_t func, rt_size_t size)
{
struct winusb_device* data = (struct winusb_device*)func->user_data;
rt_kprintf("recev:%s",data->ep_out->buffer);
data->ep_in->request.buffer = data->ep_out->buffer;
data->ep_in->request.size = EP_MAXPACKET(data->ep_out);
data->ep_in->request.req_type = UIO_REQUEST_WRITE;
rt_usbd_io_request(func->device, data->ep_in, &data->ep_in->request);
return RT_EOK;
}
static rt_err_t _ep_in_handler(ufunction_t func, rt_size_t size)
{
return RT_EOK;
}
static rt_err_t _interface_handler(ufunction_t func, ureq_t setup)
{
switch(setup->bRequest)
{
case 'A':
switch(setup->wIndex)
{
case 0x05:
usbd_os_proerty_descriptor_send(func,setup,winusb_proerty,sizeof(winusb_proerty)/sizeof(winusb_proerty[0]));
break;
}
break;
}
return RT_EOK;
}
static rt_err_t _function_enable(ufunction_t func)
{
RT_ASSERT(func != RT_NULL);
struct winusb_device* data = (struct winusb_device*)func->user_data;
data->ep_out->buffer = rt_malloc(0x40);
data->ep_out->request.buffer = data->ep_out->buffer;
data->ep_out->request.size = EP_MAXPACKET(data->ep_out);
data->ep_out->request.req_type = UIO_REQUEST_READ_BEST;
rt_usbd_io_request(func->device, data->ep_out, &data->ep_out->request);
return RT_EOK;
}
static rt_err_t _function_disable(ufunction_t func)
{
RT_ASSERT(func != RT_NULL);
struct winusb_device* data = (struct winusb_device*)func->user_data;
if(data->ep_out->buffer != RT_NULL)
{
rt_free(data->ep_out->buffer);
data->ep_out->buffer = RT_NULL;
}
return RT_EOK;
}
static struct ufunction_ops ops =
{
_function_enable,
_function_disable,
RT_NULL,
};
static rt_err_t _winusb_descriptor_config(winusb_desc_t winusb, rt_uint8_t cintf_nr)
{
#ifdef RT_USB_DEVICE_COMPOSITE
winusb->iad_desc.bFirstInterface = cintf_nr;
#endif
winusb_func_comp_id_desc.bFirstInterfaceNumber = cintf_nr;
return RT_EOK;
}
static rt_err_t rt_usb_winusb_init(ufunction_t func)
{
return RT_EOK;
}
ufunction_t rt_usbd_function_winusb_create(udevice_t device)
{
ufunction_t func;
winusb_device_t winusb_device;
uintf_t winusb_intf;
ualtsetting_t winusb_setting;
winusb_desc_t winusb_desc;
/* parameter check */
RT_ASSERT(device != RT_NULL);
/* set usb device string description */
rt_usbd_device_set_string(device, _ustring);
/* create a cdc function */
func = rt_usbd_function_new(device, &dev_desc, &ops);
rt_usbd_device_set_qualifier(device, &dev_qualifier);
/* allocate memory for cdc vcom data */
winusb_device = (winusb_device_t)rt_malloc(sizeof(struct winusb_device));
rt_memset((void *)winusb_device, 0, sizeof(struct winusb_device));
func->user_data = (void*)winusb_device;
/* create an interface object */
winusb_intf = rt_usbd_interface_new(device, _interface_handler);
/* create an alternate setting object */
winusb_setting = rt_usbd_altsetting_new(sizeof(struct winusb_descriptor));
/* config desc in alternate setting */
rt_usbd_altsetting_config_descriptor(winusb_setting, &_winusb_desc, (rt_off_t)&((winusb_desc_t)0)->intf_desc);
/* configure the hid interface descriptor */
_winusb_descriptor_config(winusb_setting->desc, winusb_intf->intf_num);
/* create endpoint */
winusb_desc = (winusb_desc_t)winusb_setting->desc;
winusb_device->ep_out = rt_usbd_endpoint_new(&winusb_desc->ep_out_desc, _ep_out_handler);
winusb_device->ep_in = rt_usbd_endpoint_new(&winusb_desc->ep_in_desc, _ep_in_handler);
/* add the int out and int in endpoint to the alternate setting */
rt_usbd_altsetting_add_endpoint(winusb_setting, winusb_device->ep_out);
rt_usbd_altsetting_add_endpoint(winusb_setting, winusb_device->ep_in);
/* add the alternate setting to the interface, then set default setting */
rt_usbd_interface_add_altsetting(winusb_intf, winusb_setting);
rt_usbd_set_altsetting(winusb_intf, 0);
/* add the interface to the mass storage function */
rt_usbd_function_add_interface(func, winusb_intf);
rt_usbd_os_comp_id_desc_add_os_func_comp_id_desc(device->os_comp_id_desc, &winusb_func_comp_id_desc);
/* initilize hid */
rt_usb_winusb_init(func);
return func;
}
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