374 lines
11 KiB
C
374 lines
11 KiB
C
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2017-11-16 ZYH first version
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*/
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#include <rthw.h>
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#include <rtdevice.h>
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#include <drivers/usb_device.h>
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#include "winusb.h"
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struct winusb_device
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{
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struct rt_device parent;
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void (*cmd_handler)(rt_uint8_t *buffer,rt_size_t size);
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rt_uint8_t cmd_buff[256];
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uep_t ep_out;
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uep_t ep_in;
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};
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#define WINUSB_INTF_STR_INDEX 13
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typedef struct winusb_device * winusb_device_t;
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ALIGN(4)
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static struct udevice_descriptor dev_desc =
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{
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USB_DESC_LENGTH_DEVICE, //bLength;
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USB_DESC_TYPE_DEVICE, //type;
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USB_BCD_VERSION, //bcdUSB;
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0x00, //bDeviceClass;
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0x00, //bDeviceSubClass;
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0x00, //bDeviceProtocol;
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0x40, //bMaxPacketSize0;
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_VENDOR_ID, //idVendor;
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_PRODUCT_ID, //idProduct;
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USB_BCD_DEVICE, //bcdDevice;
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USB_STRING_MANU_INDEX, //iManufacturer;
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USB_STRING_PRODUCT_INDEX, //iProduct;
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USB_STRING_SERIAL_INDEX, //iSerialNumber;
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USB_DYNAMIC, //bNumConfigurations;
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};
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//FS and HS needed
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ALIGN(4)
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static struct usb_qualifier_descriptor dev_qualifier =
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{
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sizeof(dev_qualifier), //bLength
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USB_DESC_TYPE_DEVICEQUALIFIER, //bDescriptorType
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0x0200, //bcdUSB
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0xFF, //bDeviceClass
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0x00, //bDeviceSubClass
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0x00, //bDeviceProtocol
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64, //bMaxPacketSize0
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0x01, //bNumConfigurations
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0,
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};
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ALIGN(4)
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struct winusb_descriptor _winusb_desc =
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{
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#ifdef RT_USB_DEVICE_COMPOSITE
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/* Interface Association Descriptor */
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{
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USB_DESC_LENGTH_IAD,
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USB_DESC_TYPE_IAD,
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USB_DYNAMIC,
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0x01,
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0xFF,
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0x00,
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0x00,
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0x00,
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},
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#endif
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/*interface descriptor*/
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{
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USB_DESC_LENGTH_INTERFACE, //bLength;
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USB_DESC_TYPE_INTERFACE, //type;
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USB_DYNAMIC, //bInterfaceNumber;
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0x00, //bAlternateSetting;
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0x02, //bNumEndpoints
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0xFF, //bInterfaceClass;
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0x00, //bInterfaceSubClass;
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0x00, //bInterfaceProtocol;
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#ifdef RT_USB_DEVICE_COMPOSITE
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WINUSB_INTF_STR_INDEX,
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#else
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0x00, //iInterface;
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#endif
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},
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/*endpoint descriptor*/
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{
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USB_DESC_LENGTH_ENDPOINT,
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USB_DESC_TYPE_ENDPOINT,
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USB_DYNAMIC | USB_DIR_OUT,
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USB_EP_ATTR_BULK,
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USB_DYNAMIC,
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0x00,
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},
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/*endpoint descriptor*/
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{
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USB_DESC_LENGTH_ENDPOINT,
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USB_DESC_TYPE_ENDPOINT,
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USB_DYNAMIC | USB_DIR_IN,
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USB_EP_ATTR_BULK,
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USB_DYNAMIC,
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0x00,
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},
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};
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ALIGN(4)
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const static char* _ustring[] =
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{
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"Language",
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"RT-Thread Team.",
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"RTT Win USB",
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"32021919830108",
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"Configuration",
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"Interface",
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USB_STRING_OS//must be
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};
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ALIGN(4)
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struct usb_os_proerty winusb_proerty[] =
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{
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USB_OS_PROPERTY_DESC(USB_OS_PROPERTY_TYPE_REG_SZ,"DeviceInterfaceGUID",RT_WINUSB_GUID),
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};
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ALIGN(4)
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struct usb_os_function_comp_id_descriptor winusb_func_comp_id_desc =
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{
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.bFirstInterfaceNumber = USB_DYNAMIC,
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.reserved1 = 0x01,
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.compatibleID = {'W', 'I', 'N', 'U', 'S', 'B', 0x00, 0x00},
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.subCompatibleID = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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.reserved2 = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
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};
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static rt_err_t _ep_out_handler(ufunction_t func, rt_size_t size)
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{
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winusb_device_t winusb_device = (winusb_device_t)func->user_data;
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if(winusb_device->parent.rx_indicate != RT_NULL)
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{
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winusb_device->parent.rx_indicate(&winusb_device->parent, size);
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}
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return RT_EOK;
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}
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static rt_err_t _ep_in_handler(ufunction_t func, rt_size_t size)
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{
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winusb_device_t winusb_device = (winusb_device_t)func->user_data;
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if(winusb_device->parent.tx_complete != RT_NULL)
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{
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winusb_device->parent.tx_complete(&winusb_device->parent, winusb_device->ep_in->buffer);
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}
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return RT_EOK;
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}
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static ufunction_t cmd_func = RT_NULL;
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static rt_err_t _ep0_cmd_handler(udevice_t device, rt_size_t size)
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{
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winusb_device_t winusb_device;
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if(cmd_func != RT_NULL)
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{
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winusb_device = (winusb_device_t)cmd_func->user_data;
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cmd_func = RT_NULL;
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if(winusb_device->cmd_handler != RT_NULL)
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{
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winusb_device->cmd_handler(winusb_device->cmd_buff,size);
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}
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}
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dcd_ep0_send_status(device->dcd);
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return RT_EOK;
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}
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static rt_err_t _ep0_cmd_read(ufunction_t func, ureq_t setup)
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{
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winusb_device_t winusb_device = (winusb_device_t)func->user_data;
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cmd_func = func;
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rt_usbd_ep0_read(func->device,winusb_device->cmd_buff,setup->wLength,_ep0_cmd_handler);
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return RT_EOK;
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}
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static rt_err_t _interface_handler(ufunction_t func, ureq_t setup)
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{
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switch(setup->bRequest)
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{
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case 'A':
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switch(setup->wIndex)
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{
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case 0x05:
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usbd_os_proerty_descriptor_send(func,setup,winusb_proerty,sizeof(winusb_proerty)/sizeof(winusb_proerty[0]));
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break;
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}
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break;
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case 0x0A://customer
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_ep0_cmd_read(func, setup);
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break;
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}
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return RT_EOK;
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}
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static rt_err_t _function_enable(ufunction_t func)
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{
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RT_ASSERT(func != RT_NULL);
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return RT_EOK;
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}
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static rt_err_t _function_disable(ufunction_t func)
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{
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RT_ASSERT(func != RT_NULL);
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return RT_EOK;
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}
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static struct ufunction_ops ops =
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{
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_function_enable,
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_function_disable,
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RT_NULL,
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};
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static rt_err_t _winusb_descriptor_config(winusb_desc_t winusb, rt_uint8_t cintf_nr, rt_uint8_t device_is_hs)
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{
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#ifdef RT_USB_DEVICE_COMPOSITE
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winusb->iad_desc.bFirstInterface = cintf_nr;
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#endif
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winusb->ep_out_desc.wMaxPacketSize = device_is_hs ? 512 : 64;
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winusb->ep_in_desc.wMaxPacketSize = device_is_hs ? 512 : 64;
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winusb_func_comp_id_desc.bFirstInterfaceNumber = cintf_nr;
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return RT_EOK;
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}
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static rt_size_t win_usb_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size)
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{
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if(((ufunction_t)dev->user_data)->device->state != USB_STATE_CONFIGURED)
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{
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return 0;
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}
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winusb_device_t winusb_device = (winusb_device_t)dev;
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winusb_device->ep_out->buffer = buffer;
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winusb_device->ep_out->request.buffer = buffer;
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winusb_device->ep_out->request.size = size;
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winusb_device->ep_out->request.req_type = UIO_REQUEST_READ_FULL;
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rt_usbd_io_request(((ufunction_t)dev->user_data)->device,winusb_device->ep_out,&winusb_device->ep_out->request);
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return size;
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}
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static rt_size_t win_usb_write(rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size)
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{
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if(((ufunction_t)dev->user_data)->device->state != USB_STATE_CONFIGURED)
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{
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return 0;
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}
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winusb_device_t winusb_device = (winusb_device_t)dev;
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winusb_device->ep_in->buffer = (void *)buffer;
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winusb_device->ep_in->request.buffer = winusb_device->ep_in->buffer;
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winusb_device->ep_in->request.size = size;
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winusb_device->ep_in->request.req_type = UIO_REQUEST_WRITE;
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rt_usbd_io_request(((ufunction_t)dev->user_data)->device,winusb_device->ep_in,&winusb_device->ep_in->request);
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return size;
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}
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static rt_err_t win_usb_control(rt_device_t dev, int cmd, void *args)
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{
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winusb_device_t winusb_device = (winusb_device_t)dev;
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if(RT_DEVICE_CTRL_CONFIG == cmd)
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{
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winusb_device->cmd_handler = (void(*)(rt_uint8_t*,rt_size_t))args;
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}
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return RT_EOK;
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}
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#ifdef RT_USING_DEVICE_OPS
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const static struct rt_device_ops winusb_device_ops =
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{
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RT_NULL,
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RT_NULL,
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RT_NULL,
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win_usb_read,
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win_usb_write,
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win_usb_control,
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};
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#endif
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static rt_err_t rt_usb_winusb_init(ufunction_t func)
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{
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winusb_device_t winusb_device = (winusb_device_t)func->user_data;
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winusb_device->parent.type = RT_Device_Class_Miscellaneous;
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#ifdef RT_USING_DEVICE_OPS
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winusb_device->parent.ops = &winusb_device_ops;
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#else
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winusb_device->parent.init = RT_NULL;
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winusb_device->parent.open = RT_NULL;
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winusb_device->parent.close = RT_NULL;
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winusb_device->parent.read = win_usb_read;
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winusb_device->parent.write = win_usb_write;
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winusb_device->parent.control = win_usb_control;
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#endif
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winusb_device->parent.user_data = func;
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return rt_device_register(&winusb_device->parent, "winusb", RT_DEVICE_FLAG_RDWR);
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}
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ufunction_t rt_usbd_function_winusb_create(udevice_t device)
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{
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ufunction_t func;
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winusb_device_t winusb_device;
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uintf_t winusb_intf;
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ualtsetting_t winusb_setting;
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winusb_desc_t winusb_desc;
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/* parameter check */
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RT_ASSERT(device != RT_NULL);
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/* set usb device string description */
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#ifdef RT_USB_DEVICE_COMPOSITE
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rt_usbd_device_set_interface_string(device, WINUSB_INTF_STR_INDEX, _ustring[2]);
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#else
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rt_usbd_device_set_string(device, _ustring);
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#endif
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/* create a cdc function */
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func = rt_usbd_function_new(device, &dev_desc, &ops);
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rt_usbd_device_set_qualifier(device, &dev_qualifier);
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/* allocate memory for cdc vcom data */
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winusb_device = (winusb_device_t)rt_malloc(sizeof(struct winusb_device));
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rt_memset((void *)winusb_device, 0, sizeof(struct winusb_device));
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func->user_data = (void*)winusb_device;
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/* create an interface object */
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winusb_intf = rt_usbd_interface_new(device, _interface_handler);
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/* create an alternate setting object */
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winusb_setting = rt_usbd_altsetting_new(sizeof(struct winusb_descriptor));
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/* config desc in alternate setting */
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rt_usbd_altsetting_config_descriptor(winusb_setting, &_winusb_desc, (rt_off_t)&((winusb_desc_t)0)->intf_desc);
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/* configure the hid interface descriptor */
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_winusb_descriptor_config(winusb_setting->desc, winusb_intf->intf_num, device->dcd->device_is_hs);
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/* create endpoint */
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winusb_desc = (winusb_desc_t)winusb_setting->desc;
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winusb_device->ep_out = rt_usbd_endpoint_new(&winusb_desc->ep_out_desc, _ep_out_handler);
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winusb_device->ep_in = rt_usbd_endpoint_new(&winusb_desc->ep_in_desc, _ep_in_handler);
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/* add the int out and int in endpoint to the alternate setting */
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rt_usbd_altsetting_add_endpoint(winusb_setting, winusb_device->ep_out);
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rt_usbd_altsetting_add_endpoint(winusb_setting, winusb_device->ep_in);
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/* add the alternate setting to the interface, then set default setting */
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rt_usbd_interface_add_altsetting(winusb_intf, winusb_setting);
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rt_usbd_set_altsetting(winusb_intf, 0);
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/* add the interface to the mass storage function */
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rt_usbd_function_add_interface(func, winusb_intf);
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rt_usbd_os_comp_id_desc_add_os_func_comp_id_desc(device->os_comp_id_desc, &winusb_func_comp_id_desc);
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/* initilize winusb */
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rt_usb_winusb_init(func);
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return func;
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}
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struct udclass winusb_class =
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{
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.rt_usbd_function_create = rt_usbd_function_winusb_create
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};
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int rt_usbd_winusb_class_register(void)
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{
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rt_usbd_class_register(&winusb_class);
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return 0;
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}
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INIT_PREV_EXPORT(rt_usbd_winusb_class_register);
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