static int16_t usbclass_mkcfgdesc(uint8_t * buf, uint8_t speed, uint8_t type)
{
struct usb_cfgdesc_s *cfgdesc = (struct usb_cfgdesc_s *)buf;
bool hispeed = (speed == USB_SPEED_HIGH);
uint16_t mxpacket;
uint16_t totallen;
/* This is the total length of the configuration (not necessarily the
* size that we will be sending now.
*/
totallen =
USB_SIZEOF_CFGDESC + USB_SIZEOF_IFDESC +
APBRIDGE_NENDPOINTS * USB_SIZEOF_EPDESC;
/* Configuration descriptor -- Copy the canned descriptor and fill in the
* type (we'll also need to update the size below
*/
memcpy(cfgdesc, &g_cfgdesc, USB_SIZEOF_CFGDESC);
buf += USB_SIZEOF_CFGDESC;
/* Copy the canned interface descriptor */
memcpy(buf, &g_ifdesc, USB_SIZEOF_IFDESC);
buf += USB_SIZEOF_IFDESC;
/* Make the three endpoint configurations. First, check for switches
* between high and full speed
*/
if (type == USB_DESC_TYPE_OTHERSPEEDCONFIG) {
hispeed = !hispeed;
}
if (hispeed) {
mxpacket = APBRIDGE_EPINTIN_MXPACKET;
} else {
mxpacket = 64;
}
usbclass_mkepdesc(&g_epintindesc, mxpacket, (struct usb_epdesc_s *)buf);
buf += USB_SIZEOF_EPDESC;
if (hispeed) {
mxpacket = APBRIDGE_BULK_MXPACKET;
} else {
mxpacket = 64;
}
usbclass_mkepdesc(&g_epbulkoutdesc, mxpacket, (struct usb_epdesc_s *)buf);
buf += USB_SIZEOF_EPDESC;
usbclass_mkepdesc(&g_epbulkindesc, mxpacket, (struct usb_epdesc_s *)buf);
/* Finally, fill in the total size of the configuration descriptor */
cfgdesc->totallen[0] = LSBYTE(totallen);
cfgdesc->totallen[1] = MSBYTE(totallen);
return totallen;
}
int usbmsc_mkstrdesc(uint8_t id, struct usb_strdesc_s *strdesc)
{
const char *str;
int len;
int ndata;
int i;
switch (id)
{
#ifndef CONFIG_USBMSC_COMPOSITE
case 0:
{
/* Descriptor 0 is the language id */
strdesc->len = 4;
strdesc->type = USB_DESC_TYPE_STRING;
strdesc->data[0] = LSBYTE(USBMSC_STR_LANGUAGE);
strdesc->data[1] = MSBYTE(USBMSC_STR_LANGUAGE);
return 4;
}
case USBMSC_MANUFACTURERSTRID:
str = g_mscvendorstr;
break;
case USBMSC_PRODUCTSTRID:
str = g_mscproductstr;
break;
case USBMSC_SERIALSTRID:
str = g_mscserialstr;
break;
#endif
/* case USBMSC_CONFIGSTRID: */
case USBMSC_INTERFACESTRID:
str = CONFIG_USBMSC_CONFIGSTR;
break;
default:
return -EINVAL;
}
/* The string is utf16-le. The poor man's utf-8 to utf16-le
* conversion below will only handle 7-bit en-us ascii
*/
len = strlen(str);
for (i = 0, ndata = 0; i < len; i++, ndata += 2)
{
strdesc->data[ndata] = str[i];
strdesc->data[ndata+1] = 0;
}
strdesc->len = ndata+2;
strdesc->type = USB_DESC_TYPE_STRING;
return strdesc->len;
}
void cdcacm_cpepdesc(FAR const struct usb_epdesc_s *indesc, uint16_t mxpacket, FAR struct usb_epdesc_s *outdesc)
{
/* Copy the "canned" descriptor */
memcpy(outdesc, indesc, USB_SIZEOF_EPDESC);
/* Then add the correct max packet size */
outdesc->mxpacketsize[0] = LSBYTE(mxpacket);
outdesc->mxpacketsize[1] = MSBYTE(mxpacket);
}
static int usbclass_mkstrdesc(uint8_t id, struct usb_strdesc_s *strdesc)
{
const char *str;
int len;
int ndata;
int i;
switch (id) {
case 0:
{
/* Descriptor 0 is the language id */
strdesc->len = 4;
strdesc->type = USB_DESC_TYPE_STRING;
strdesc->data[0] = LSBYTE(APBRIDGE_STR_LANGUAGE);
strdesc->data[1] = MSBYTE(APBRIDGE_STR_LANGUAGE);
return 4;
}
case APBRIDGE_MANUFACTURERSTRID:
str = CONFIG_APBRIDGE_VENDORSTR;
break;
case APBRIDGE_PRODUCTSTRID:
str = CONFIG_APBRIDGE_PRODUCTSTR;
break;
case APBRIDGE_SERIALSTRID:
str = CONFIG_APBRIDGE_SERIALSTR;
break;
case APBRIDGE_CONFIGSTRID:
str = CONFIG_APBRIDGE_CONFIGSTR;
break;
default:
return -EINVAL;
}
/* The string is utf16-le. The poor man's utf-8 to utf16-le
* conversion below will only handle 7-bit en-us ascii
*/
len = strlen(str);
for (i = 0, ndata = 0; i < len; i++, ndata += 2) {
strdesc->data[ndata] = str[i];
strdesc->data[ndata + 1] = 0;
}
strdesc->len = ndata + 2;
strdesc->type = USB_DESC_TYPE_STRING;
return strdesc->len;
}
static inline void usbclass_mkepdesc(const struct usb_epdesc_s *indesc,
uint16_t mxpacket,
struct usb_epdesc_s *outdesc)
{
/* Copy the canned descriptor */
memcpy(outdesc, indesc, USB_SIZEOF_EPDESC);
/* Then add the correct max packet size */
outdesc->mxpacketsize[0] = LSBYTE(mxpacket);
outdesc->mxpacketsize[1] = MSBYTE(mxpacket);
}
/****************************************************************************
* Private Data
****************************************************************************/
/* Descriptors **************************************************************/
/* Device descriptor. If the USB mass storage device is configured as part
* of a composite device, then the device descriptor will be provided by the
* composite device logic.
*/
#ifndef CONFIG_USBMSC_COMPOSITE
static const struct usb_devdesc_s g_devdesc =
{
USB_SIZEOF_DEVDESC, /* len */
USB_DESC_TYPE_DEVICE, /* type */
{LSBYTE(0x0200), MSBYTE(0x0200)}, /* usb */
USB_CLASS_PER_INTERFACE, /* classid */
0, /* subclass */
0, /* protocol */
CONFIG_USBMSC_EP0MAXPACKET, /* maxpacketsize */
{ /* vendor */
LSBYTE(CONFIG_USBMSC_VENDORID),
MSBYTE(CONFIG_USBMSC_VENDORID)
},
{ /* product */
LSBYTE(CONFIG_USBMSC_PRODUCTID),
MSBYTE(CONFIG_USBMSC_PRODUCTID) },
{ /* device */
LSBYTE(CONFIG_USBMSC_VERSIONNO),
MSBYTE(CONFIG_USBMSC_VERSIONNO)
},
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/* Device Descriptor */
static const struct usb_devdesc_s g_devdesc =
{
USB_SIZEOF_DEVDESC, /* len */
USB_DESC_TYPE_DEVICE, /* type */
{ /* usb */
LSBYTE(0x0200),
MSBYTE(0x0200)
},
#ifdef CONFIG_COMPOSITE_IAD
USB_CLASS_MISC, /* classid */
2, /* subclass */
1, /* protocol */
#else
USB_CLASS_PER_INTERFACE, /* classid */
0, /* subclass */
0, /* protocol */
#endif
CONFIG_COMPOSITE_EP0MAXPACKET, /* maxpacketsize */
{
LSBYTE(CONFIG_COMPOSITE_VENDORID), /* vendor */
MSBYTE(CONFIG_COMPOSITE_VENDORID)
},
int cdcacm_mkstrdesc(uint8_t id, struct usb_strdesc_s *strdesc)
{
#if !defined(CONFIG_CDCACM_COMPOSITE) || defined(CONFIG_CDCACM_NOTIFSTR) || \
defined(CONFIG_CDCACM_DATAIFSTR)
const char *str;
int len;
int ndata;
int i;
switch (id) {
#ifndef CONFIG_CDCACM_COMPOSITE
case 0: {
/* Descriptor 0 is the language id */
strdesc->len = 4;
strdesc->type = USB_DESC_TYPE_STRING;
strdesc->data[0] = LSBYTE(CDCACM_STR_LANGUAGE);
strdesc->data[1] = MSBYTE(CDCACM_STR_LANGUAGE);
return 4;
}
case CDCACM_MANUFACTURERSTRID:
str = CONFIG_CDCACM_VENDORSTR;
break;
case CDCACM_PRODUCTSTRID:
str = CONFIG_CDCACM_PRODUCTSTR;
break;
case CDCACM_SERIALSTRID:
str = CONFIG_CDCACM_SERIALSTR;
break;
case CDCACM_CONFIGSTRID:
str = CONFIG_CDCACM_CONFIGSTR;
break;
#endif
#ifdef CONFIG_CDCACM_NOTIFSTR
case CDCACM_NOTIFSTRID:
str = CONFIG_CDCACM_NOTIFSTR;
break;
#endif
#ifdef CONFIG_CDCACM_DATAIFSTR
case CDCACM_DATAIFSTRID:
str = CONFIG_CDCACM_DATAIFSTR;
break;
#endif
default:
return -EINVAL;
}
/* The string is utf16-le. The poor man's utf-8 to utf16-le
* conversion below will only handle 7-bit en-us ascii
*/
len = strlen(str);
if (len > (CDCACM_MAXSTRLEN / 2)) {
len = (CDCACM_MAXSTRLEN / 2);
}
for (i = 0, ndata = 0; i < len; i++, ndata += 2) {
strdesc->data[ndata] = str[i];
strdesc->data[ndata + 1] = 0;
}
strdesc->len = ndata + 2;
strdesc->type = USB_DESC_TYPE_STRING;
return strdesc->len;
#else
return -EINVAL;
#endif
}
* Private Data
****************************************************************************/
/* USB descriptor templates these will be copied and modified **************/
/* Device Descriptor. If the USB serial device is configured as part of
* composite device, then the device descriptor will be provided by the
* composite device logic.
*/
#ifndef CONFIG_CDCACM_COMPOSITE
static const struct usb_devdesc_s g_devdesc = {
USB_SIZEOF_DEVDESC, /* len */
USB_DESC_TYPE_DEVICE, /* type */
{ /* usb */
LSBYTE(0x0200),
MSBYTE(0x0200)
},
USB_CLASS_CDC, /* class */
CDC_SUBCLASS_NONE, /* subclass */
CDC_PROTO_NONE, /* protocol */
CONFIG_CDCACM_EP0MAXPACKET, /* maxpacketsize */
{
LSBYTE(CONFIG_CDCACM_VENDORID), /* vendor */
MSBYTE(CONFIG_CDCACM_VENDORID)
},
{
LSBYTE(CONFIG_CDCACM_PRODUCTID), /* product */
MSBYTE(CONFIG_CDCACM_PRODUCTID)
},
{
LSBYTE(CDCACM_VERSIONNO), /* device */
static const struct usbdevclass_driverops_s g_driverops = {
usbclass_bind, /* bind */
usbclass_unbind, /* unbind */
usbclass_setup, /* setup */
usbclass_disconnect, /* disconnect */
NULL, /* suspend */
NULL, /* resume */
};
/* USB descriptor templates these will be copied and modified **************/
static const struct usb_devdesc_s g_devdesc = {
USB_SIZEOF_DEVDESC, /* len */
USB_DESC_TYPE_DEVICE, /* type */
{LSBYTE(0x0200), MSBYTE(0x0200)}, /* usb */
USB_CLASS_PER_INTERFACE, /* classid */
0, /* subclass */
0, /* protocol */
CONFIG_APBRIDGE_EP0MAXPACKET, /* maxpacketsize */
{LSBYTE(CONFIG_APBRIDGE_VENDORID), /* vendor */
MSBYTE(CONFIG_APBRIDGE_VENDORID)},
{LSBYTE(CONFIG_APBRIDGE_PRODUCTID), /* product */
MSBYTE(CONFIG_APBRIDGE_PRODUCTID)},
{LSBYTE(APBRIDGE_VERSIONNO), /* device */
MSBYTE(APBRIDGE_VERSIONNO)},
APBRIDGE_MANUFACTURERSTRID, /* imfgr */
APBRIDGE_PRODUCTSTRID, /* iproduct */
APBRIDGE_SERIALSTRID, /* serno */
APBRIDGE_NCONFIGS /* nconfigs */
};
