添加GD32H7的CMake工程
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/*!
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\file printer_core.c
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\brief USB printer device class core functions
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\version 2025-01-24, V1.4.0, firmware for GD32H7xx
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*/
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/*
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Copyright (c) 2025, GigaDevice Semiconductor Inc.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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3. Neither the name of the copyright holder nor the names of its contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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OF SUCH DAMAGE.
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*/
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#include "printer_core.h"
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#define USBD_VID 0x28E9U
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#define USBD_PID 0x028DU
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/* printer port status: paper not empty/selected/no error */
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static uint8_t g_port_status = 0x18U;
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uint8_t g_printer_data_buf[PRINTER_OUT_PACKET];
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__ALIGN_BEGIN uint8_t PRINTER_DEVICE_ID[DEVICE_ID_LEN] __ALIGN_END = {
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0x00U, 0x67U,
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'M', 'A', 'N', 'U', 'F', 'A', 'C', 'T', 'U', 'R', 'E', 'R', ':',
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'G', 'I', 'G', 'A', ' ', 'D', 'E', 'V', 'I', 'C', 'E', '-', ';',
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'C', 'O', 'M', 'M', 'A', 'N', 'D', ' ', 'S', 'E', 'T', ':',
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'P', 'C', 'L', ',', 'M', 'P', 'L', ';',
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'M', 'O', 'D', 'E', 'L', ':',
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'L', 'a', 's', 'e', 'r', 'B', 'e', 'a', 'm', '?', ';',
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'C', 'O', 'M', 'M', 'E', 'N', 'T', ':',
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'G', 'o', 'o', 'd', ' ', '!', ';',
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'A', 'C', 'T', 'I', 'V', 'E', ' ', 'C', 'O', 'M', 'M', 'A', 'N', 'D', ' ', 'S', 'E', 'T', ':',
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'P', 'C', 'L', ';'
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};
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/* USB standard device descriptor */
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__ALIGN_BEGIN const usb_desc_dev printer_dev_desc __ALIGN_END = {
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.header =
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{
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.bLength = USB_DEV_DESC_LEN,
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.bDescriptorType = USB_DESCTYPE_DEV,
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},
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.bcdUSB = 0x0200U,
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.bDeviceClass = 0x00U,
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.bDeviceSubClass = 0x00U,
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.bDeviceProtocol = 0x00U,
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.bMaxPacketSize0 = USB_FS_EP0_MAX_LEN,
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.idVendor = USBD_VID,
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.idProduct = USBD_PID,
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.bcdDevice = 0x0100U,
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.iManufacturer = STR_IDX_MFC,
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.iProduct = STR_IDX_PRODUCT,
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.iSerialNumber = STR_IDX_SERIAL,
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.bNumberConfigurations = USBD_CFG_MAX_NUM,
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};
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/* USB device configuration descriptor */
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__ALIGN_BEGIN const usb_printer_desc_config_set printer_config_desc __ALIGN_END = {
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.config =
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{
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.header =
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{
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.bLength = sizeof(usb_desc_config),
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.bDescriptorType = USB_DESCTYPE_CONFIG
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},
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.wTotalLength = sizeof(usb_printer_desc_config_set),
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.bNumInterfaces = 0x01U,
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.bConfigurationValue = 0x01U,
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.iConfiguration = 0x00U,
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.bmAttributes = 0xA0U,
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.bMaxPower = 0x32U
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},
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.printer_itf =
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{
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.header =
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{
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.bLength = sizeof(usb_desc_itf),
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.bDescriptorType = USB_DESCTYPE_ITF
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},
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.bInterfaceNumber = 0x00U,
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.bAlternateSetting = 0x00U,
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.bNumEndpoints = 0x02U,
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.bInterfaceClass = USB_CLASS_PRINTER,
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.bInterfaceSubClass = USB_SUBCLASS_PRINTER,
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.bInterfaceProtocol = PROTOCOL_BI_DIRECTIONAL_ITF,
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.iInterface = 0x00U
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},
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.printer_epin =
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{
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.header =
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{
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.bLength = sizeof(usb_desc_ep),
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.bDescriptorType = USB_DESCTYPE_EP
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},
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.bEndpointAddress = PRINTER_IN_EP,
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.bmAttributes = USB_EP_ATTR_BULK,
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.wMaxPacketSize = PRINTER_IN_PACKET,
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.bInterval = 0x00U
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},
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.printer_epout =
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{
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.header =
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{
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.bLength = sizeof(usb_desc_ep),
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.bDescriptorType = USB_DESCTYPE_EP
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},
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.bEndpointAddress = PRINTER_OUT_EP,
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.bmAttributes = USB_EP_ATTR_BULK,
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.wMaxPacketSize = PRINTER_OUT_PACKET,
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.bInterval = 0x00U
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},
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};
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/* USB language ID Descriptor */
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__ALIGN_BEGIN static const usb_desc_LANGID usbd_language_id_desc __ALIGN_END = {
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.header =
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{
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.bLength = sizeof(usb_desc_LANGID),
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.bDescriptorType = USB_DESCTYPE_STR,
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},
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.wLANGID = ENG_LANGID
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};
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/* USB manufacture string */
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__ALIGN_BEGIN static const usb_desc_str manufacturer_string __ALIGN_END = {
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.header =
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{
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.bLength = USB_STRING_LEN(10U),
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.bDescriptorType = USB_DESCTYPE_STR,
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},
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.unicode_string = {'G', 'i', 'g', 'a', 'D', 'e', 'v', 'i', 'c', 'e'}
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};
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/* USB product string */
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__ALIGN_BEGIN static const usb_desc_str product_string __ALIGN_END = {
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.header =
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{
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.bLength = USB_STRING_LEN(16U),
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.bDescriptorType = USB_DESCTYPE_STR,
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},
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.unicode_string = {'G', 'D', '3', '2', '-', 'U', 'S', 'B', '_', 'P', 'r', 'i', 'n', 't', 'e', 'r'}
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};
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/* USBD serial string */
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__ALIGN_BEGIN static usb_desc_str serial_string __ALIGN_END = {
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.header =
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{
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.bLength = USB_STRING_LEN(12U),
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.bDescriptorType = USB_DESCTYPE_STR,
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}
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};
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/* USB string descriptor */
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static void *const usbd_printer_strings[] = {
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[STR_IDX_LANGID] = (uint8_t *)&usbd_language_id_desc,
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[STR_IDX_MFC] = (uint8_t *)&manufacturer_string,
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[STR_IDX_PRODUCT] = (uint8_t *)&product_string,
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[STR_IDX_SERIAL] = (uint8_t *)&serial_string
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};
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usb_desc printer_desc = {
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.dev_desc = (uint8_t *)&printer_dev_desc,
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.config_desc = (uint8_t *)&printer_config_desc,
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.strings = usbd_printer_strings
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};
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/* local function prototypes ('static') */
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static uint8_t printer_init(usb_dev *udev, uint8_t config_index);
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static uint8_t printer_deinit(usb_dev *udev, uint8_t config_index);
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static uint8_t printer_req(usb_dev *udev, usb_req *req);
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static uint8_t printer_in(usb_dev *udev, uint8_t ep_num);
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static uint8_t printer_out(usb_dev *udev, uint8_t ep_num);
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usb_class_core usbd_printer_cb = {
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.init = printer_init,
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.deinit = printer_deinit,
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.req_proc = printer_req,
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.data_in = printer_in,
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.data_out = printer_out
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};
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/*!
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\brief initialize the printer device
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\param[in] udev: pointer to USB device instance
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\param[in] config_index: configuration index
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\param[out] none
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\retval USB device operation status
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*/
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static uint8_t printer_init(usb_dev *udev, uint8_t config_index)
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{
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/* initialize the data TX endpoint */
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usbd_ep_setup(udev, &(printer_config_desc.printer_epin));
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/* initialize the data RX endpoint */
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usbd_ep_setup(udev, &(printer_config_desc.printer_epout));
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/* prepare to receive data */
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usbd_ep_recev(udev, PRINTER_OUT_EP, g_printer_data_buf, PRINTER_OUT_PACKET);
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return USBD_OK;
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}
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/*!
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\brief deinitialize the printer device
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\param[in] udev: pointer to USB device instance
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\param[in] config_index: configuration index
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\param[out] none
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\retval USB device operation status
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*/
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static uint8_t printer_deinit(usb_dev *udev, uint8_t config_index)
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{
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/* deinitialize the data TX/RX endpoint */
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usbd_ep_clear(udev, PRINTER_IN_EP);
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usbd_ep_clear(udev, PRINTER_OUT_EP);
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return USBD_OK;
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}
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/*!
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\brief handle the printer class-specific requests
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\param[in] udev: pointer to USB device instance
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\param[in] req: device class-specific request
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\param[out] none
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\retval USB device operation status
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*/
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static uint8_t printer_req(usb_dev *udev, usb_req *req)
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{
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usb_transc *transc = &udev->dev.transc_in[0];
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switch(req->bRequest) {
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case GET_DEVICE_ID:
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transc->xfer_buf = (uint8_t *)PRINTER_DEVICE_ID;
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transc->remain_len = DEVICE_ID_LEN;
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break;
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case GET_PORT_STATUS:
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transc->xfer_buf = (uint8_t *)&g_port_status;
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transc->remain_len = 1U;
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break;
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case SOFT_RESET:
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usbd_ep_recev(udev, PRINTER_OUT_EP, g_printer_data_buf, PRINTER_OUT_PACKET);
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break;
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default:
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return USBD_FAIL;
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}
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return USBD_OK;
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}
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/*!
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\brief handle printer data
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\param[in] udev: pointer to USB device instance
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\param[in] ep_num: endpoint number
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\param[out] none
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\retval USB device operation status
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*/
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static uint8_t printer_in(usb_dev *udev, uint8_t ep_num)
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{
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return USBD_OK;
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}
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/*!
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\brief handle printer data
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\param[in] udev: pointer to USB device instance
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\param[in] ep_num: endpoint number
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\param[out] none
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\retval USB device operation status
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*/
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static uint8_t printer_out(usb_dev *udev, uint8_t ep_num)
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{
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return USBD_OK;
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}
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