167 lines
5.3 KiB
C
167 lines
5.3 KiB
C
/** @mainpage cdc_demo_init
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* <table>
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* <tr><th>Project <td>cdc_demo
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* <tr><th>Author <td>LiGuo 1570139720@qq.com
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* </table>
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* @section cdc class init demo
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*
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* -# You can use USB to create a virtual serial port
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*
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* @section 版本更新历史
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*
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* 版本|作者|时间|描述
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* ----|----|----|----
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* 1.0|LiGuo|2021.11.19|creat project
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*
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* <h2><center>© Copyright 2021 LiGuo.
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* All rights reserved.</center></h2>
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*********************************************************************************
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*/
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/* include ------------------------------------------------------------------*/
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#include "main.h"
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#include "usbd_core.h"
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#include "usbd_cdc.h"
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/*!< endpoint address */
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#define CDC_IN_EP 0x81
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#define CDC_OUT_EP 0x01
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#define CDC_INT_EP 0x82
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#define USBD_VID 0xFFFF
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#define USBD_PID 0xFFFF
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#define USBD_MAX_POWER 100
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#define USBD_LANGID_STRING 1033
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/*!< config descriptor size */
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#define USB_CONFIG_SIZE (9 + CDC_ACM_DESCRIPTOR_LEN)
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/*!< global descriptor */
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static const uint8_t cdc_descriptor[] = {
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USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x02, 0x02, 0x01, USBD_VID, USBD_PID, 0x0100, 0x01),
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USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
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CDC_ACM_DESCRIPTOR_INIT(0x00, CDC_INT_EP, CDC_OUT_EP, CDC_IN_EP, 0x02),
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///////////////////////////////////////
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/// string0 descriptor
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///////////////////////////////////////
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USB_LANGID_INIT(USBD_LANGID_STRING),
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///////////////////////////////////////
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/// string1 descriptor
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///////////////////////////////////////
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0x12, /* bLength */
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USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
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'B', 0x00, /* wcChar0 */
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'o', 0x00, /* wcChar1 */
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'u', 0x00, /* wcChar2 */
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'f', 0x00, /* wcChar3 */
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'f', 0x00, /* wcChar4 */
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'a', 0x00, /* wcChar5 */
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'l', 0x00, /* wcChar6 */
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'o', 0x00, /* wcChar7 */
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///////////////////////////////////////
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/// string2 descriptor
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///////////////////////////////////////
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0x24, /* bLength */
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USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
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'B', 0x00, /* wcChar0 */
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'o', 0x00, /* wcChar1 */
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'u', 0x00, /* wcChar2 */
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'f', 0x00, /* wcChar3 */
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'f', 0x00, /* wcChar4 */
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'a', 0x00, /* wcChar5 */
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'l', 0x00, /* wcChar6 */
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'o', 0x00, /* wcChar7 */
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' ', 0x00, /* wcChar8 */
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'C', 0x00, /* wcChar9 */
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'D', 0x00, /* wcChar10 */
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'C', 0x00, /* wcChar11 */
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' ', 0x00, /* wcChar13 */
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'D', 0x00, /* wcChar14 */
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'E', 0x00, /* wcChar15 */
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'M', 0x00, /* wcChar16 */
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'O', 0x00, /* wcChar17 */
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///////////////////////////////////////
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/// string3 descriptor
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///////////////////////////////////////
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0x16, /* bLength */
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USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
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'2', 0x00, /* wcChar0 */
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'0', 0x00, /* wcChar1 */
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'2', 0x00, /* wcChar2 */
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'1', 0x00, /* wcChar3 */
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'0', 0x00, /* wcChar4 */
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'3', 0x00, /* wcChar5 */
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'1', 0x00, /* wcChar6 */
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'0', 0x00, /* wcChar7 */
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'0', 0x00, /* wcChar8 */
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'0', 0x00, /* wcChar9 */
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#ifdef CONFIG_USB_HS
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///////////////////////////////////////
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/// device qualifier descriptor
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///////////////////////////////////////
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0x0a,
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USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
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0x00,
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0x02,
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0x02,
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0x02,
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0x01,
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0x40,
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0x01,
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0x00,
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#endif
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0x00
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};
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/*!< class */
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usbd_class_t cdc_class;
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/*!< interface one */
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usbd_interface_t cdc_cmd_intf;
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/*!< interface two */
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usbd_interface_t cdc_data_intf;
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/* function ------------------------------------------------------------------*/
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void usbd_cdc_acm_out(uint8_t ep)
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{
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uint8_t data[64];
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uint32_t read_byte;
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usbd_ep_read(ep, data, 64, &read_byte);
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printf("out\r\n");
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printf("read len:%d\r\n", read_byte);
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usbd_ep_read(ep, NULL, 0, NULL);
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}
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void usbd_cdc_acm_in(uint8_t ep)
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{
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printf("in\r\n");
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}
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/*!< endpoint call back */
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usbd_endpoint_t cdc_out_ep = {
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.ep_addr = CDC_OUT_EP,
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.ep_cb = usbd_cdc_acm_out
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};
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usbd_endpoint_t cdc_in_ep = {
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.ep_addr = CDC_IN_EP,
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.ep_cb = usbd_cdc_acm_in
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};
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/* function ------------------------------------------------------------------*/
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void cdc_init(void)
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{
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usbd_desc_register(cdc_descriptor);
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/*!< add interface */
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usbd_cdc_add_acm_interface(&cdc_class, &cdc_cmd_intf);
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usbd_cdc_add_acm_interface(&cdc_class, &cdc_data_intf);
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/*!< interface add endpoint */
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usbd_interface_add_endpoint(&cdc_data_intf, &cdc_out_ep);
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usbd_interface_add_endpoint(&cdc_data_intf, &cdc_in_ep);
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}
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void cdc_test(void)
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{
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uint8_t data_buffer[10] = { 0x31, 0x32, 0x33, 0x34, 0x35, 0x31, 0x32, 0x33, 0x34, 0x35 };
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usbd_ep_write(CDC_IN_EP, data_buffer, 10, NULL);
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HAL_Delay(500);
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}
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