e5b6305f4a
Gregory Nutt has submitted the SGA and we can migrate the licenses to Apache. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
268 lines
8.4 KiB
C
268 lines
8.4 KiB
C
/****************************************************************************
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* drivers/usbdev/composite_desc.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <stdint.h>
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#include <string.h>
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#include <errno.h>
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#include <assert.h>
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#include <debug.h>
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#include <nuttx/usb/usbdev_trace.h>
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#include "composite.h"
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#ifdef CONFIG_USBDEV_COMPOSITE
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/* Device Descriptor */
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static const struct usb_devdesc_s g_devdesc =
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{
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USB_SIZEOF_DEVDESC, /* len */
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USB_DESC_TYPE_DEVICE, /* type */
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{ /* usb */
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LSBYTE(0x0200),
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MSBYTE(0x0200)
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},
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#ifndef CONFIG_COMPOSITE_IAD
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USB_CLASS_MISC, /* classid */
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2, /* subclass */
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1, /* protocol */
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#else
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USB_CLASS_PER_INTERFACE, /* classid */
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0, /* subclass */
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0, /* protocol */
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#endif
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CONFIG_COMPOSITE_EP0MAXPACKET, /* maxpacketsize */
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{
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LSBYTE(CONFIG_COMPOSITE_VENDORID), /* vendor */
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MSBYTE(CONFIG_COMPOSITE_VENDORID)
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},
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{
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LSBYTE(CONFIG_COMPOSITE_PRODUCTID), /* product */
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MSBYTE(CONFIG_COMPOSITE_PRODUCTID)
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},
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{
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LSBYTE(CONFIG_COMPOSITE_VERSIONNO), /* device */
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MSBYTE(CONFIG_COMPOSITE_VERSIONNO)
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},
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COMPOSITE_MANUFACTURERSTRID, /* imfgr */
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COMPOSITE_PRODUCTSTRID, /* iproduct */
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COMPOSITE_SERIALSTRID, /* serno */
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COMPOSITE_NCONFIGS /* nconfigs */
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};
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#ifdef CONFIG_USBDEV_DUALSPEED
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static const struct usb_qualdesc_s g_qualdesc =
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{
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USB_SIZEOF_QUALDESC, /* len */
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USB_DESC_TYPE_DEVICEQUALIFIER, /* type */
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{ /* usb */
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LSBYTE(0x0200),
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MSBYTE(0x0200)
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},
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USB_CLASS_VENDOR_SPEC, /* classid */
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0, /* subclass */
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0, /* protocol */
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CONFIG_COMPOSITE_EP0MAXPACKET, /* mxpacketsize */
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COMPOSITE_NCONFIGS, /* nconfigs */
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0, /* reserved */
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};
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#endif
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: composite_mkstrdesc
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*
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* Description:
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* Construct a string descriptor
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*
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****************************************************************************/
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int composite_mkstrdesc(uint8_t id, struct usb_strdesc_s *strdesc)
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{
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const char *str;
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int len;
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int ndata;
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int i;
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switch (id)
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{
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case 0:
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{
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/* Descriptor 0 is the language id */
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strdesc->len = 4;
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strdesc->type = USB_DESC_TYPE_STRING;
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strdesc->data[0] = LSBYTE(COMPOSITE_STR_LANGUAGE);
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strdesc->data[1] = MSBYTE(COMPOSITE_STR_LANGUAGE);
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return 4;
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}
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case COMPOSITE_MANUFACTURERSTRID:
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str = g_compvendorstr;
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break;
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case COMPOSITE_PRODUCTSTRID:
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str = g_compproductstr;
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break;
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case COMPOSITE_SERIALSTRID:
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str = g_compserialstr;
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break;
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case COMPOSITE_CONFIGSTRID:
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str = CONFIG_COMPOSITE_CONFIGSTR;
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break;
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default:
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return -EINVAL;
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}
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/* The string is utf16-le. The poor man's utf-8 to utf16-le
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* conversion below will only handle 7-bit en-us ascii
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*/
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len = strlen(str);
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for (i = 0, ndata = 0; i < len; i++, ndata += 2)
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{
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strdesc->data[ndata] = str[i];
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strdesc->data[ndata + 1] = 0;
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}
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strdesc->len = ndata + 2;
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strdesc->type = USB_DESC_TYPE_STRING;
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return strdesc->len;
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}
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/****************************************************************************
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* Name: composite_getepdesc
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*
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* Description:
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* Return a pointer to the raw device descriptor
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*
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****************************************************************************/
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FAR const struct usb_devdesc_s *composite_getdevdesc(void)
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{
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return &g_devdesc;
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}
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/****************************************************************************
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* Name: composite_mkcfgdesc
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*
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* Description:
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* Construct the configuration descriptor
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*
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****************************************************************************/
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#ifdef CONFIG_USBDEV_DUALSPEED
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int16_t composite_mkcfgdesc(FAR struct composite_dev_s *priv, FAR uint8_t *buf,
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uint8_t speed, uint8_t type)
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#else
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int16_t composite_mkcfgdesc(FAR struct composite_dev_s *priv, FAR uint8_t *buf)
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#endif
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{
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FAR struct usb_cfgdesc_s *cfgdesc = (FAR struct usb_cfgdesc_s *)buf;
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int16_t len;
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int16_t total;
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int i;
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/* Configuration descriptor for the composite device */
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/* Fill in the values directly into the buf */
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cfgdesc->len = USB_SIZEOF_CFGDESC; /* Descriptor length */
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#ifdef CONFIG_USBDEV_DUALSPEED
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cfgdesc->type = type; /* Descriptor type */
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#else
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cfgdesc->type = USB_DESC_TYPE_CONFIG; /* Descriptor type */
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#endif
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cfgdesc->totallen[0] = LSBYTE(priv->cfgdescsize); /* Lower Byte of Total length */
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cfgdesc->totallen[1] = MSBYTE(priv->cfgdescsize); /* High Byte of Total length */
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cfgdesc->ninterfaces = priv->ninterfaces; /* Number of interfaces */
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cfgdesc->cfgvalue = COMPOSITE_CONFIGID; /* Configuration value */
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cfgdesc->icfg = COMPOSITE_CONFIGSTRID; /* Configuration */
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cfgdesc->attr = USB_CONFIG_ATTR_ONE | /* Attributes */
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COMPOSITE_SELFPOWERED |
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COMPOSITE_REMOTEWAKEUP;
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cfgdesc->mxpower = (CONFIG_USBDEV_MAXPOWER + 1) / 2; /* Max power (mA/2) */
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/* increment the size and buf to point right behind the information filled in */
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total = USB_SIZEOF_CFGDESC;
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buf += USB_SIZEOF_CFGDESC;
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/* Copy all contained interface descriptors into the buffer too */
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for (i = 0; i < priv->ndevices; i++)
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{
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#ifdef CONFIG_USBDEV_DUALSPEED
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len = priv->device[i].compdesc.mkconfdesc(buf,
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&priv->device[i].compdesc.devinfo,
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speed, type);
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total += len;
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buf += len;
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#else
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len = priv->device[i].compdesc.mkconfdesc(buf,
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&priv->device[i].compdesc.devinfo);
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total += len;
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buf += len;
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#endif
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}
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return total;
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}
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/****************************************************************************
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* Name: composite_getqualdesc
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*
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* Description:
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* Return a pointer to the raw qual descriptor
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*
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****************************************************************************/
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#ifdef CONFIG_USBDEV_DUALSPEED
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FAR const struct usb_qualdesc_s *composite_getqualdesc(void)
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{
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return &g_qualdesc;
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}
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#endif
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#endif /* CONFIG_USBDEV_COMPOSITE */
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