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add usbh_set_interface api

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This commit is contained in:
sakumisu
2023-11-11 13:53:16 +08:00
parent ae521bf95c
commit 2080cf1206
2 changed files with 51 additions and 21 deletions
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32
core/usbh_core.c
View File

@@ -426,6 +426,19 @@ int usbh_get_string_desc(struct usbh_hubport *hport, uint8_t index, uint8_t *out
return 0;
}
int usbh_set_interface(struct usbh_hubport *hport, uint8_t intf, uint8_t altsetting)
{
struct usb_setup_packet *setup = hport->setup;
setup->bmRequestType = USB_REQUEST_DIR_OUT | USB_REQUEST_STANDARD | USB_REQUEST_RECIPIENT_INTERFACE;
setup->bRequest = USB_REQUEST_SET_INTERFACE;
setup->wValue = intf;
setup->wIndex = altsetting;
setup->wLength = 0;
return usbh_control_transfer(hport->ep0, setup, NULL);
}
int usbh_enumerate(struct usbh_hubport *hport)
{
struct usb_interface_descriptor *intf_desc;
@@ -644,25 +657,6 @@ errout:
return ret;
}
struct usbh_hubport *usbh_find_hubport(uint8_t dev_addr)
{
struct usbh_hubport *hport;
usb_slist_t *hub_list;
usb_slist_for_each(hub_list, &hub_class_head)
{
struct usbh_hub *hub = usb_slist_entry(hub_list, struct usbh_hub, list);
for (uint8_t port = 0; port < hub->hub_desc.bNbrPorts; port++) {
hport = &hub->child[port];
if (hport->connected) {
if (hport->dev_addr == dev_addr) {
return &hub->child[port];
}
}
}
}
return NULL;
}
void *usbh_find_class_instance(const char *devname)
{
struct usbh_hubport *hport;

40
core/usbh_core.h
View File

@@ -169,8 +169,17 @@ struct usbh_hub {
struct usbh_hubport *parent;
};
/**
* @brief Activates an endpoint for a USB host pipe on a specific hub port.
*
* This function is responsible for activating the specified endpoint
* described by the given endpoint descriptor on the USB host pipe.
* @param pipe Pointer to the USB host pipe structure.
* @param hport Pointer to the USB hub port structure.
* @param ep_desc Pointer to the USB endpoint descriptor.
* @return On success will return 0, and others indicate fail.
*/
int usbh_hport_activate_epx(usbh_pipe_t *pipe, struct usbh_hubport *hport, struct usb_endpoint_descriptor *ep_desc);
int usbh_get_string_desc(struct usbh_hubport *hport, uint8_t index, uint8_t *output);
/**
* @brief Submit an control transfer to an endpoint.
@@ -184,8 +193,35 @@ int usbh_get_string_desc(struct usbh_hubport *hport, uint8_t index, uint8_t *out
*/
int usbh_control_transfer(usbh_pipe_t pipe, struct usb_setup_packet *setup, uint8_t *buffer);
/**
* @brief Retrieves a USB string descriptor from a specific hub port.
*
* This function is responsible for retrieving the USB string descriptor
* with the specified index from the USB device connected to the given hub port.
* The retrieved descriptor is stored in the output buffer provided.
*
* @param hport Pointer to the USB hub port structure.
* @param index Index of the string descriptor to retrieve.
* @param output Pointer to the buffer where the retrieved descriptor will be stored.
* @return On success will return 0, and others indicate fail.
*/
int usbh_get_string_desc(struct usbh_hubport *hport, uint8_t index, uint8_t *output);
/**
* @brief Sets the alternate setting for a USB interface on a specific hub port.
*
* This function is responsible for setting the alternate setting of the
* specified USB interface on the USB device connected to the given hub port.
* The interface and alternate setting are identified by the respective parameters.
*
* @param hport Pointer to the USB hub port structure.
* @param intf Interface number to set the alternate setting for.
* @param altsetting Alternate setting value to set for the interface.
* @return On success will return 0, and others indicate fail.
*/
int usbh_set_interface(struct usbh_hubport *hport, uint8_t intf, uint8_t altsetting);
int usbh_initialize(void);
struct usbh_hubport *usbh_find_hubport(uint8_t dev_addr);
void *usbh_find_class_instance(const char *devname);
int lsusb(int argc, char **argv);