add initial printer、mtp、template class driver

class/template/usb_xxx.h

@@ -0,0 +1,4 @@
+#ifndef _USB_XXX_H
+#define _USB_XXX_H
+
+#endif

class/template/usbd_xxx.c

@@ -0,0 +1,46 @@
+#include "usbd_core.h"
+#include "usbd_xxx.h"
+
+static int xxx_class_request_handler(struct usb_setup_packet *setup, uint8_t **data, uint32_t *len)
+{
+    USB_LOG_WRN("XXX Class request: "
+                 "bRequest 0x%02x\r\n",
+                 setup->bRequest);
+
+    switch (setup->bRequest) {
+        default:
+            USB_LOG_WRN("Unhandled XXX Class bRequest 0x%02x\r\n", setup->bRequest);
+            return -1;
+    }
+
+    return 0;
+}
+
+static void xxx_notify_handler(uint8_t event, void *arg)
+{
+    switch (event) {
+        case USBD_EVENT_RESET:
+
+            break;
+
+        default:
+            break;
+    }
+}
+
+void usbd_xxx_add_interface(usbd_class_t *devclass, usbd_interface_t *intf)
+{
+    static usbd_class_t *last_class = NULL;
+
+    if (last_class != devclass) {
+        last_class = devclass;
+        usbd_class_register(devclass);
+    }
+
+    intf->class_handler = xxx_class_request_handler;
+    intf->custom_handler = NULL;
+    intf->vendor_handler = NULL;
+    intf->notify_handler = xxx_notify_handler;
+
+    usbd_class_add_interface(devclass, intf);
+}

class/template/usbd_xxx.h

@@ -0,0 +1,16 @@
+#ifndef _USBD_XXX_H_
+#define _USBD_XXX_H_
+
+#include "usb_xxx.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void usbd_xxx_add_interface(usbd_class_t *devclass, usbd_interface_t *intf);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _USBD_XXX_H_ */

class/template/usbh_xxx.c

@@ -0,0 +1,93 @@
+#include "usbh_core.h"
+#include "usbh_xxx.h"
+
+#define DEV_FORMAT "/dev/xxx"
+
+static int usbh_xxx_connect(struct usbh_hubport *hport, uint8_t intf)
+{
+    struct usbh_endpoint_cfg ep_cfg = { 0 };
+    struct usb_endpoint_descriptor *ep_desc;
+    int ret;
+
+    struct usbh_xxx *xxx_class = usb_malloc(sizeof(struct usbh_xxx));
+    if (xxx_class == NULL) {
+        USB_LOG_ERR("Fail to alloc xxx_class\r\n");
+        return -ENOMEM;
+    }
+
+    memset(xxx_class, 0, sizeof(struct usbh_xxx));
+
+    xxx_class->hport = hport;
+    xxx_class->intf = intf;
+
+    hport->config.intf[intf].priv = xxx_class;
+    strncpy(hport->config.intf[intf].devname, DEV_FORMAT, CONFIG_USBHOST_DEV_NAMELEN);
+
+    for (uint8_t i = 0; i < hport->config.intf[intf + 1].intf_desc.bNumEndpoints; i++) {
+        ep_desc = &hport->config.intf[intf + 1].ep[i].ep_desc;
+
+        ep_cfg.ep_addr = ep_desc->bEndpointAddress;
+        ep_cfg.ep_type = ep_desc->bmAttributes & USB_ENDPOINT_TYPE_MASK;
+        ep_cfg.ep_mps = ep_desc->wMaxPacketSize;
+        ep_cfg.ep_interval = ep_desc->bInterval;
+        ep_cfg.hport = hport;
+        if (ep_desc->bEndpointAddress & 0x80) {
+            usbh_ep_alloc(&rndis_class->bulkin, &ep_cfg);
+        } else {
+            usbh_ep_alloc(&rndis_class->bulkout, &ep_cfg);
+        }
+    }
+
+    return ret;
+
+}
+
+
+static int usbh_xxx_disconnect(struct usbh_hubport *hport, uint8_t intf)
+{
+    int ret = 0;
+
+    struct usbh_xxx *xxx_class = (struct usbh_xxx *)hport->config.intf[intf].priv;
+
+    if (xxx_class) {
+        if (xxx_class->bulkin) {
+            ret = usb_ep_cancel(xxx_class->bulkin);
+            if (ret < 0) {
+            }
+            usbh_ep_free(xxx_class->bulkin);
+        }
+
+        if (xxx_class->bulkout) {
+            ret = usb_ep_cancel(xxx_class->bulkout);
+            if (ret < 0) {
+            }
+            usbh_ep_free(xxx_class->bulkout);
+        }
+
+        usb_free(xxx_class);
+
+        USB_LOG_INFO("Unregister xxx Class:%s\r\n", hport->config.intf[intf].devname);
+        memset(hport->config.intf[intf].devname, 0, CONFIG_USBHOST_DEV_NAMELEN);
+
+        hport->config.intf[intf].priv = NULL;
+    }
+
+    return ret;
+}
+
+
+static const struct usbh_class_driver xxx_class_driver = {
+    .driver_name = "xxx",
+    .connect = usbh_xxx_connect,
+    .disconnect = usbh_xxx_disconnect
+};
+
+CLASS_INFO_DEFINE const struct usbh_class_info xxx_class_info = {
+    .match_flags = USB_CLASS_MATCH_INTF_CLASS | USB_CLASS_MATCH_INTF_SUBCLASS | USB_CLASS_MATCH_INTF_PROTOCOL,
+    .class = 0,
+    .subclass = 0,
+    .protocol = 0,
+    .vid = 0x00,
+    .pid = 0x00,
+    .class_driver = &xxx_class_driver
+};

class/template/usbh_xxx.h

@@ -0,0 +1,14 @@
+#ifndef _USBH_XXX_H
+#define _USBH_XXX_H
+
+#include "usb_xxx.h"
+
+struct usbh_xxx {
+    struct usbh_hubport *hport;
+
+    uint8_t intf; /* interface number */
+    usbh_epinfo_t intin;  /* INTR IN endpoint */
+    usbh_epinfo_t intout; /* INTR OUT endpoint */
+};
+
+#endif