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usbdev: add usbdev fs device for usb char device

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Add usb_fs driver so that userspace can directly transfer USB packets
through the EP node. ADB, Fastboot, MTP will use usb_fs, these class
driver only need to provide the descriptors and register the usb_fs device.

Signed-off-by: zhangyuan21 <zhangyuan21@xiaomi.com>

Signed-off-by: zhangyuan21 <zhangyuan21@xiaomi.com>
This commit is contained in:
zhangyuan21
2023-07-19 10:09:41 +08:00
committed by Xiang Xiao
parent 3f8f3340d1
commit 1f6d9bbd17
7 changed files with 1602 additions and 2 deletions
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include/nuttx/usb/usbdev.h
+27
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@@ -190,10 +190,21 @@ struct usbdev_devdescs_s
#endif
};
struct usbdev_epinfo_s
{
struct usb_epdesc_s desc;
uint16_t fssize;
#ifdef CONFIG_USBDEV_DUALSPEED
uint16_t hssize;
#endif
uint16_t reqnum;
};
/* usbdev_devinfo_s - describes the low level bindings of an usb device */
struct usbdev_devinfo_s
{
FAR const char *name;
int ninterfaces; /* Number of interfaces in the configuration */
int ifnobase; /* Offset to Interface-IDs */
@@ -202,6 +213,7 @@ struct usbdev_devinfo_s
int nendpoints; /* Number of Endpoints referenced in the following allay */
int epno[5]; /* Array holding the endpoint configuration for this device */
FAR const struct usbdev_epinfo_s **epinfos;
};
struct usbdevclass_driver_s;
@@ -297,6 +309,7 @@ struct usbdev_ep_s
uint8_t eplog; /* Logical endpoint address */
uint16_t maxpacket; /* Maximum packet size for this endpoint */
FAR void *priv; /* For use by class driver */
FAR void *fs; /* USB fs device this ep belongs */
};
/* struct usbdev_s represents a usb device */
@@ -398,6 +411,20 @@ FAR struct usbdev_req_s *usbdev_allocreq(FAR struct usbdev_ep_s *ep,
void usbdev_freereq(FAR struct usbdev_ep_s *ep,
FAR struct usbdev_req_s *req);
/****************************************************************************
* Name: usbdev_copy_epdesc
*
* Description:
* Copies the requested Endpoint Description into the buffer given.
* Returns the number of Bytes filled in ( sizeof(struct usb_epdesc_s) ).
* This function is provided by various classes.
*
****************************************************************************/
void usbdev_copy_epdesc(FAR struct usb_epdesc_s *epdesc,
uint8_t epno, bool hispeed,
FAR const struct usbdev_epinfo_s *epinfo);
/****************************************************************************
* Name: usbdevclass_register
*