first commit for chrg

2025-08-16 22:58:22 +08:00
commit 52a3ed5862
2306 changed files with 1021208 additions and 0 deletions
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2022, sakumisu
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#ifndef USBH_VIDEO_H
+#define USBH_VIDEO_H
+
+#include "usb_video.h"
+
+#define USBH_VIDEO_FORMAT_UNCOMPRESSED 0
+#define USBH_VIDEO_FORMAT_MJPEG        1
+
+struct usbh_video_resolution {
+    uint16_t wWidth;
+    uint16_t wHeight;
+};
+
+struct usbh_video_format {
+    struct usbh_video_resolution frame[12];
+    uint8_t format_type;
+    uint8_t num_of_frames;
+};
+
+struct usbh_videoframe {
+    uint8_t *frame_buf;
+    uint32_t frame_bufsize;
+    uint32_t frame_format;
+    uint32_t frame_size;
+};
+
+struct usbh_videostreaming {
+    struct usbh_videoframe *frame;
+    uint32_t frame_format;
+    uint32_t bufoffset;
+    uint16_t width;
+    uint16_t height;
+};
+
+struct usbh_video {
+    struct usbh_hubport *hport;
+    struct usb_endpoint_descriptor *isoin;  /* ISO IN endpoint */
+    struct usb_endpoint_descriptor *isoout; /* ISO OUT endpoint */
+
+    uint8_t ctrl_intf; /* interface number */
+    uint8_t data_intf; /* interface number */
+    uint8_t minor;
+    struct video_probe_and_commit_controls probe;
+    struct video_probe_and_commit_controls commit;
+    uint16_t isoin_mps;
+    uint16_t isoout_mps;
+    bool is_opened;
+    uint8_t current_format;
+    uint16_t bcdVDC;
+    uint8_t num_of_intf_altsettings;
+    uint8_t num_of_formats;
+    struct usbh_video_format format[3];
+
+    void *user_data;
+};
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int usbh_video_get(struct usbh_video *video_class, uint8_t request, uint8_t intf, uint8_t entity_id, uint8_t cs, uint8_t *buf, uint16_t len);
+int usbh_video_set(struct usbh_video *video_class, uint8_t request, uint8_t intf, uint8_t entity_id, uint8_t cs, uint8_t *buf, uint16_t len);
+
+int usbh_video_open(struct usbh_video *video_class,
+                    uint8_t format_type,
+                    uint16_t wWidth,
+                    uint16_t wHeight,
+                    uint8_t altsetting);
+int usbh_video_close(struct usbh_video *video_class);
+
+void usbh_video_list_info(struct usbh_video *video_class);
+
+void usbh_video_run(struct usbh_video *video_class);
+void usbh_video_stop(struct usbh_video *video_class);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* USBH_VIDEO_H */