添加GD32H7的CMake工程

2026-07-23 19:44:30 +08:00
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+/*!
+    \file    printer_core.h
+    \brief   the header file of USB printer device class core functions
+
+    \version 2025-01-24, V1.4.0, firmware for GD32H7xx
+*/
+
+/*
+    Copyright (c) 2025, GigaDevice Semiconductor Inc.
+
+    Redistribution and use in source and binary forms, with or without modification, 
+are permitted provided that the following conditions are met:
+
+    1. Redistributions of source code must retain the above copyright notice, this 
+       list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright notice, 
+       this list of conditions and the following disclaimer in the documentation 
+       and/or other materials provided with the distribution.
+    3. Neither the name of the copyright holder nor the names of its contributors 
+       may be used to endorse or promote products derived from this software without 
+       specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
+INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
+WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+OF SUCH DAMAGE.
+*/
+
+#ifndef PRINTER_CORE_H
+#define PRINTER_CORE_H
+
+#include "usbd_enum.h"
+
+/* USB printing device class code */
+#define USB_CLASS_PRINTER               0x07U
+
+/* printing device subclass code */
+#define USB_SUBCLASS_PRINTER            0x01U
+
+/* printing device protocol code */
+#define PROTOCOL_UNIDIRECTIONAL_ITF     0x01U            /*!< unidirectional interface */
+#define PROTOCOL_BI_DIRECTIONAL_ITF     0x02U            /*!< BI directional interface */
+#define PROTOCOL_1284_4_ITF             0x03U            /*!< 1284.4 interface */
+#define PROTOCOL_VENDOR                 0xFFU            /*!< vendor */
+
+/* device id length */
+#define DEVICE_ID_LEN                   103U
+
+/* printer configuration descriptor length */
+#define USB_PRINTER_CONFIG_DESC_LEN     32U
+
+/* printing device specific-class request */
+#define GET_DEVICE_ID                   0x00U            /*!< get device id request */
+#define GET_PORT_STATUS                 0x01U            /*!< get port status request */
+#define SOFT_RESET                      0x02U            /*!< soft reset request */
+
+#pragma pack(1)
+
+/* USB configuration descriptor structure */
+typedef struct {
+    usb_desc_config         config;                      /*!< printer configuration descriptor */
+    usb_desc_itf            printer_itf;                 /*!< printer interface descriptor */
+    usb_desc_ep             printer_epin;                /*!< endpoint IN descriptor */
+    usb_desc_ep             printer_epout;               /*!< endpoint OUT descriptor */
+} usb_printer_desc_config_set;
+
+#pragma pack()
+
+extern usb_desc printer_desc;
+extern usb_class_core usbd_printer_cb;
+
+#endif /* PRINTER_CORE_H */