first commit
This commit is contained in:
168
class/cdc/usbd_cdc.c
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168
class/cdc/usbd_cdc.c
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/**
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* @file usbd_cdc.c
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* @brief
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*
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* Copyright (c) 2021 Bouffalolab team
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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*/
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#include "usbd_core.h"
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#include "usbd_cdc.h"
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const char *stop_name[] = { "1", "1.5", "2" };
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const char *parity_name[] = { "N", "O", "E", "M", "S" };
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/* Device data structure */
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struct cdc_acm_cfg_private {
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/* CDC ACM line coding properties. LE order */
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struct cdc_line_coding line_coding;
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/* CDC ACM line state bitmap, DTE side */
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uint8_t line_state;
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/* CDC ACM serial state bitmap, DCE side */
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uint8_t serial_state;
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/* CDC ACM notification sent status */
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uint8_t notification_sent;
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/* CDC ACM configured flag */
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bool configured;
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/* CDC ACM suspended flag */
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bool suspended;
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uint32_t uart_first_init_flag;
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} usbd_cdc_acm_cfg;
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static void usbd_cdc_acm_reset(void)
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{
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usbd_cdc_acm_cfg.line_coding.dwDTERate = 2000000;
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usbd_cdc_acm_cfg.line_coding.bDataBits = 8;
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usbd_cdc_acm_cfg.line_coding.bParityType = 0;
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usbd_cdc_acm_cfg.line_coding.bCharFormat = 0;
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usbd_cdc_acm_cfg.configured = false;
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usbd_cdc_acm_cfg.uart_first_init_flag = 0;
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}
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/**
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* @brief Handler called for Class requests not handled by the USB stack.
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*
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* @param pSetup Information about the request to execute.
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* @param len Size of the buffer.
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* @param data Buffer containing the request result.
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*
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* @return 0 on success, negative errno code on fail.
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*/
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static int cdc_acm_class_request_handler(struct usb_setup_packet *pSetup, uint8_t **data, uint32_t *len)
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{
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switch (pSetup->bRequest) {
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case CDC_REQUEST_SET_LINE_CODING:
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/*******************************************************************************/
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/* Line Coding Structure */
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/*-----------------------------------------------------------------------------*/
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/* Offset | Field | Size | Value | Description */
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/* 0 | dwDTERate | 4 | Number |Data terminal rate, in bits per second*/
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/* 4 | bCharFormat | 1 | Number | Stop bits */
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/* 0 - 1 Stop bit */
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/* 1 - 1.5 Stop bits */
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/* 2 - 2 Stop bits */
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/* 5 | bParityType | 1 | Number | Parity */
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/* 0 - None */
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/* 1 - Odd */
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/* 2 - Even */
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/* 3 - Mark */
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/* 4 - Space */
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/* 6 | bDataBits | 1 | Number Data bits (5, 6, 7, 8 or 16). */
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/*******************************************************************************/
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if (usbd_cdc_acm_cfg.uart_first_init_flag == 0) {
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usbd_cdc_acm_cfg.uart_first_init_flag = 1;
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return 0;
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}
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memcpy(&usbd_cdc_acm_cfg.line_coding, *data, sizeof(usbd_cdc_acm_cfg.line_coding));
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USBD_LOG_DBG("CDC_SET_LINE_CODING <%d %d %s %s>\r\n",
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usbd_cdc_acm_cfg.line_coding.dwDTERate,
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usbd_cdc_acm_cfg.line_coding.bDataBits,
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parity_name[usbd_cdc_acm_cfg.line_coding.bParityType],
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stop_name[usbd_cdc_acm_cfg.line_coding.bCharFormat]);
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usbd_cdc_acm_set_line_coding(usbd_cdc_acm_cfg.line_coding.dwDTERate, usbd_cdc_acm_cfg.line_coding.bDataBits,
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usbd_cdc_acm_cfg.line_coding.bParityType, usbd_cdc_acm_cfg.line_coding.bCharFormat);
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break;
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case CDC_REQUEST_SET_CONTROL_LINE_STATE:
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usbd_cdc_acm_cfg.line_state = (uint8_t)pSetup->wValue;
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bool dtr = (pSetup->wValue & 0x01);
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bool rts = (pSetup->wValue & 0x02);
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USBD_LOG_DBG("DTR 0x%x,RTS 0x%x\r\n",
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dtr, rts);
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usbd_cdc_acm_set_dtr(dtr);
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usbd_cdc_acm_set_rts(rts);
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break;
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case CDC_REQUEST_GET_LINE_CODING:
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*data = (uint8_t *)(&usbd_cdc_acm_cfg.line_coding);
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*len = sizeof(usbd_cdc_acm_cfg.line_coding);
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USBD_LOG_DBG("CDC_GET_LINE_CODING %d %d %d %d\r\n",
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usbd_cdc_acm_cfg.line_coding.dwDTERate,
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usbd_cdc_acm_cfg.line_coding.bCharFormat,
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usbd_cdc_acm_cfg.line_coding.bParityType,
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usbd_cdc_acm_cfg.line_coding.bDataBits);
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break;
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default:
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USBD_LOG_DBG("CDC ACM request 0x%x, value 0x%x\r\n",
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pSetup->bRequest, pSetup->wValue);
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return -1;
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}
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return 0;
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}
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static void cdc_notify_handler(uint8_t event, void *arg)
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{
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switch (event) {
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case USB_EVENT_RESET:
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usbd_cdc_acm_reset();
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break;
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default:
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break;
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}
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}
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__weak void usbd_cdc_acm_set_line_coding(uint32_t baudrate, uint8_t databits, uint8_t parity, uint8_t stopbits)
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{
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}
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__weak void usbd_cdc_acm_set_dtr(bool dtr)
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{
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}
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__weak void usbd_cdc_acm_set_rts(bool rts)
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{
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}
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void usbd_cdc_add_acm_interface(usbd_class_t *class, usbd_interface_t *intf)
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{
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static usbd_class_t *last_class = NULL;
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if (last_class != class) {
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last_class = class;
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usbd_class_register(class);
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}
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intf->class_handler = cdc_acm_class_request_handler;
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intf->custom_handler = NULL;
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intf->vendor_handler = NULL;
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intf->notify_handler = cdc_notify_handler;
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usbd_class_add_interface(class, intf);
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}
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374
class/cdc/usbd_cdc.h
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374
class/cdc/usbd_cdc.h
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/**
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* @file
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* @brief USB Communications Device Class (CDC) public header
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*
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* Header follows the Class Definitions for
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* Communications Devices Specification (CDC120-20101103-track.pdf),
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* PSTN Devices Specification (PSTN120.pdf) and
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* Ethernet Control Model Devices Specification (ECM120.pdf).
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* Header is limited to ACM and ECM Subclasses.
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*/
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#ifndef _USBD_CDC_H
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#define _USBD_CDC_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*------------------------------------------------------------------------------
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* Definitions based on usbcdc11.pdf (www.usb.org)
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*----------------------------------------------------------------------------*/
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/* Communication device class specification version 1.10 */
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#define CDC_V1_10 0x0110U
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// Communication device class specification version 1.2
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#define CDC_V1_2_0 0x0120U
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/* Communication interface class code */
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/* (usbcdc11.pdf, 4.2, Table 15) */
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#define CDC_COMMUNICATION_INTERFACE_CLASS 0x02U
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/* Communication interface class subclass codes */
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/* (usbcdc11.pdf, 4.3, Table 16) */
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#define CDC_DIRECT_LINE_CONTROL_MODEL 0x01U
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#define CDC_ABSTRACT_CONTROL_MODEL 0x02U
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#define CDC_TELEPHONE_CONTROL_MODEL 0x03U
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#define CDC_MULTI_CHANNEL_CONTROL_MODEL 0x04U
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#define CDC_CAPI_CONTROL_MODEL 0x05U
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#define CDC_ETHERNET_NETWORKING_CONTROL_MODEL 0x06U
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#define CDC_ATM_NETWORKING_CONTROL_MODEL 0x07U
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#define CDC_WIRELESS_HANDSET_CONTROL_MODEL 0x08U
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#define CDC_DEVICE_MANAGEMENT 0x09U
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#define CDC_MOBILE_DIRECT_LINE_MODEL 0x0AU
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#define CDC_OBEX 0x0BU
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#define CDC_ETHERNET_EMULATION_MODEL 0x0CU
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#define CDC_NETWORK_CONTROL_MODEL 0x0DU
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/* Communication interface class control protocol codes */
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/* (usbcdc11.pdf, 4.4, Table 17) */
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#define CDC_COMMON_PROTOCOL_NONE 0x00U
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#define CDC_COMMON_PROTOCOL_AT_COMMANDS 0x01U
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#define CDC_COMMON_PROTOCOL_AT_COMMANDS_PCCA_101 0x02U
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#define CDC_COMMON_PROTOCOL_AT_COMMANDS_PCCA_101_AND_ANNEXO 0x03U
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#define CDC_COMMON_PROTOCOL_AT_COMMANDS_GSM_707 0x04U
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#define CDC_COMMON_PROTOCOL_AT_COMMANDS_3GPP_27007 0x05U
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#define CDC_COMMON_PROTOCOL_AT_COMMANDS_CDMA 0x06U
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#define CDC_COMMON_PROTOCOL_ETHERNET_EMULATION_MODEL 0x07U
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// NCM Communication Interface Protocol Codes
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// (usbncm10.pdf, 4.2, Table 4-2)
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#define CDC_NCM_PROTOCOL_NONE 0x00U
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#define CDC_NCM_PROTOCOL_OEM 0xFEU
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/* Data interface class code */
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/* (usbcdc11.pdf, 4.5, Table 18) */
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#define CDC_DATA_INTERFACE_CLASS 0x0A
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/* Data interface class protocol codes */
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/* (usbcdc11.pdf, 4.7, Table 19) */
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#define CDC_DATA_PROTOCOL_ISDN_BRI 0x30
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#define CDC_DATA_PROTOCOL_HDLC 0x31
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#define CDC_DATA_PROTOCOL_TRANSPARENT 0x32
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#define CDC_DATA_PROTOCOL_Q921_MANAGEMENT 0x50
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#define CDC_DATA_PROTOCOL_Q921_DATA_LINK 0x51
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#define CDC_DATA_PROTOCOL_Q921_MULTIPLEXOR 0x52
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#define CDC_DATA_PROTOCOL_V42 0x90
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#define CDC_DATA_PROTOCOL_EURO_ISDN 0x91
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#define CDC_DATA_PROTOCOL_V24_RATE_ADAPTATION 0x92
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#define CDC_DATA_PROTOCOL_CAPI 0x93
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#define CDC_DATA_PROTOCOL_HOST_BASED_DRIVER 0xFD
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#define CDC_DATA_PROTOCOL_DESCRIBED_IN_PUFD 0xFE
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/* Type values for bDescriptorType field of functional descriptors */
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/* (usbcdc11.pdf, 5.2.3, Table 24) */
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#define CDC_CS_INTERFACE 0x24
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#define CDC_CS_ENDPOINT 0x25
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/* Type values for bDescriptorSubtype field of functional descriptors */
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/* (usbcdc11.pdf, 5.2.3, Table 25) */
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#define CDC_FUNC_DESC_HEADER 0x00
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#define CDC_FUNC_DESC_CALL_MANAGEMENT 0x01
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#define CDC_FUNC_DESC_ABSTRACT_CONTROL_MANAGEMENT 0x02
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#define CDC_FUNC_DESC_DIRECT_LINE_MANAGEMENT 0x03
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#define CDC_FUNC_DESC_TELEPHONE_RINGER 0x04
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#define CDC_FUNC_DESC_REPORTING_CAPABILITIES 0x05
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#define CDC_FUNC_DESC_UNION 0x06
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#define CDC_FUNC_DESC_COUNTRY_SELECTION 0x07
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#define CDC_FUNC_DESC_TELEPHONE_OPERATIONAL_MODES 0x08
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#define CDC_FUNC_DESC_USB_TERMINAL 0x09
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#define CDC_FUNC_DESC_NETWORK_CHANNEL 0x0A
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#define CDC_FUNC_DESC_PROTOCOL_UNIT 0x0B
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#define CDC_FUNC_DESC_EXTENSION_UNIT 0x0C
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#define CDC_FUNC_DESC_MULTI_CHANNEL_MANAGEMENT 0x0D
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#define CDC_FUNC_DESC_CAPI_CONTROL_MANAGEMENT 0x0E
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#define CDC_FUNC_DESC_ETHERNET_NETWORKING 0x0F
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#define CDC_FUNC_DESC_ATM_NETWORKING 0x10
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#define CDC_FUNC_DESC_WIRELESS_HANDSET_CONTROL_MODEL 0x11
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#define CDC_FUNC_DESC_MOBILE_DIRECT_LINE_MODEL 0x12
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#define CDC_FUNC_DESC_MOBILE_DIRECT_LINE_MODEL_DETAIL 0x13
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#define CDC_FUNC_DESC_DEVICE_MANAGEMENT_MODEL 0x14
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#define CDC_FUNC_DESC_OBEX 0x15
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#define CDC_FUNC_DESC_COMMAND_SET 0x16
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#define CDC_FUNC_DESC_COMMAND_SET_DETAIL 0x17
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#define CDC_FUNC_DESC_TELEPHONE_CONTROL_MODEL 0x18
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#define CDC_FUNC_DESC_OBEX_SERVICE_IDENTIFIER 0x19
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/* CDC class-specific request codes */
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/* (usbcdc11.pdf, 6.2, Table 46) */
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/* see Table 45 for info about the specific requests. */
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#define CDC_REQUEST_SEND_ENCAPSULATED_COMMAND 0x00
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#define CDC_REQUEST_GET_ENCAPSULATED_RESPONSE 0x01
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#define CDC_REQUEST_SET_COMM_FEATURE 0x02
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#define CDC_REQUEST_GET_COMM_FEATURE 0x03
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#define CDC_REQUEST_CLEAR_COMM_FEATURE 0x04
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#define CDC_REQUEST_SET_AUX_LINE_STATE 0x10
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#define CDC_REQUEST_SET_HOOK_STATE 0x11
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#define CDC_REQUEST_PULSE_SETUP 0x12
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#define CDC_REQUEST_SEND_PULSE 0x13
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#define CDC_REQUEST_SET_PULSE_TIME 0x14
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#define CDC_REQUEST_RING_AUX_JACK 0x15
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#define CDC_REQUEST_SET_LINE_CODING 0x20
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#define CDC_REQUEST_GET_LINE_CODING 0x21
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#define CDC_REQUEST_SET_CONTROL_LINE_STATE 0x22
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#define CDC_REQUEST_SEND_BREAK 0x23
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#define CDC_REQUEST_SET_RINGER_PARMS 0x30
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#define CDC_REQUEST_GET_RINGER_PARMS 0x31
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#define CDC_REQUEST_SET_OPERATION_PARMS 0x32
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#define CDC_REQUEST_GET_OPERATION_PARMS 0x33
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#define CDC_REQUEST_SET_LINE_PARMS 0x34
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#define CDC_REQUEST_GET_LINE_PARMS 0x35
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#define CDC_REQUEST_DIAL_DIGITS 0x36
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#define CDC_REQUEST_SET_UNIT_PARAMETER 0x37
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#define CDC_REQUEST_GET_UNIT_PARAMETER 0x38
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#define CDC_REQUEST_CLEAR_UNIT_PARAMETER 0x39
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#define CDC_REQUEST_GET_PROFILE 0x3A
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#define CDC_REQUEST_SET_ETHERNET_MULTICAST_FILTERS 0x40
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#define CDC_REQUEST_SET_ETHERNET_PMP_FILTER 0x41
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#define CDC_REQUEST_GET_ETHERNET_PMP_FILTER 0x42
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#define CDC_REQUEST_SET_ETHERNET_PACKET_FILTER 0x43
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#define CDC_REQUEST_GET_ETHERNET_STATISTIC 0x44
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#define CDC_REQUEST_SET_ATM_DATA_FORMAT 0x50
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#define CDC_REQUEST_GET_ATM_DEVICE_STATISTICS 0x51
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#define CDC_REQUEST_SET_ATM_DEFAULT_VC 0x52
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#define CDC_REQUEST_GET_ATM_VC_STATISTICS 0x53
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/* Communication feature selector codes */
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/* (usbcdc11.pdf, 6.2.2..6.2.4, Table 47) */
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#define CDC_ABSTRACT_STATE 0x01
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#define CDC_COUNTRY_SETTING 0x02
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/** Control Signal Bitmap Values for SetControlLineState */
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#define SET_CONTROL_LINE_STATE_RTS 0x02
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#define SET_CONTROL_LINE_STATE_DTR 0x01
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/* Feature Status returned for ABSTRACT_STATE Selector */
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/* (usbcdc11.pdf, 6.2.3, Table 48) */
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#define CDC_IDLE_SETTING (1 << 0)
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#define CDC_DATA_MULTPLEXED_STATE (1 << 1)
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/* Control signal bitmap values for the SetControlLineState request */
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/* (usbcdc11.pdf, 6.2.14, Table 51) */
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#define CDC_DTE_PRESENT (1 << 0)
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#define CDC_ACTIVATE_CARRIER (1 << 1)
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/* CDC class-specific notification codes */
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/* (usbcdc11.pdf, 6.3, Table 68) */
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/* see Table 67 for Info about class-specific notifications */
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#define CDC_NOTIFICATION_NETWORK_CONNECTION 0x00
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#define CDC_RESPONSE_AVAILABLE 0x01
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#define CDC_AUX_JACK_HOOK_STATE 0x08
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#define CDC_RING_DETECT 0x09
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#define CDC_NOTIFICATION_SERIAL_STATE 0x20
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#define CDC_CALL_STATE_CHANGE 0x28
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#define CDC_LINE_STATE_CHANGE 0x29
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#define CDC_CONNECTION_SPEED_CHANGE 0x2A
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/* UART state bitmap values (Serial state notification). */
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/* (usbcdc11.pdf, 6.3.5, Table 69) */
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#define CDC_SERIAL_STATE_OVERRUN (1 << 6) /* receive data overrun error has occurred */
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#define CDC_SERIAL_STATE_OVERRUN_Pos (6)
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#define CDC_SERIAL_STATE_OVERRUN_Msk (1 << CDC_SERIAL_STATE_OVERRUN_Pos)
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#define CDC_SERIAL_STATE_PARITY (1 << 5) /* parity error has occurred */
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#define CDC_SERIAL_STATE_PARITY_Pos (5)
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#define CDC_SERIAL_STATE_PARITY_Msk (1 << CDC_SERIAL_STATE_PARITY_Pos)
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#define CDC_SERIAL_STATE_FRAMING (1 << 4) /* framing error has occurred */
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#define CDC_SERIAL_STATE_FRAMING_Pos (4)
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#define CDC_SERIAL_STATE_FRAMING_Msk (1 << CDC_SERIAL_STATE_FRAMING_Pos)
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#define CDC_SERIAL_STATE_RING (1 << 3) /* state of ring signal detection */
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#define CDC_SERIAL_STATE_RING_Pos (3)
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#define CDC_SERIAL_STATE_RING_Msk (1 << CDC_SERIAL_STATE_RING_Pos)
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#define CDC_SERIAL_STATE_BREAK (1 << 2) /* state of break detection */
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#define CDC_SERIAL_STATE_BREAK_Pos (2)
|
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#define CDC_SERIAL_STATE_BREAK_Msk (1 << CDC_SERIAL_STATE_BREAK_Pos)
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#define CDC_SERIAL_STATE_TX_CARRIER (1 << 1) /* state of transmission carrier */
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#define CDC_SERIAL_STATE_TX_CARRIER_Pos (1)
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#define CDC_SERIAL_STATE_TX_CARRIER_Msk (1 << CDC_SERIAL_STATE_TX_CARRIER_Pos)
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#define CDC_SERIAL_STATE_RX_CARRIER (1 << 0) /* state of receiver carrier */
|
||||
#define CDC_SERIAL_STATE_RX_CARRIER_Pos (0)
|
||||
#define CDC_SERIAL_STATE_RX_CARRIER_Msk (1 << CDC_SERIAL_STATE_RX_CARRIER_Pos)
|
||||
|
||||
/*------------------------------------------------------------------------------
|
||||
* Structures based on usbcdc11.pdf (www.usb.org)
|
||||
*----------------------------------------------------------------------------*/
|
||||
|
||||
/* Header functional descriptor */
|
||||
/* (usbcdc11.pdf, 5.2.3.1) */
|
||||
/* This header must precede any list of class-specific descriptors. */
|
||||
struct cdc_header_descriptor {
|
||||
uint8_t bFunctionLength; /* size of this descriptor in bytes */
|
||||
uint8_t bDescriptorType; /* CS_INTERFACE descriptor type */
|
||||
uint8_t bDescriptorSubtype; /* Header functional descriptor subtype */
|
||||
uint16_t bcdCDC; /* USB CDC specification release version */
|
||||
} __packed;
|
||||
|
||||
/* Call management functional descriptor */
|
||||
/* (usbcdc11.pdf, 5.2.3.2) */
|
||||
/* Describes the processing of calls for the communication class interface. */
|
||||
struct cdc_call_management_descriptor {
|
||||
uint8_t bFunctionLength; /* size of this descriptor in bytes */
|
||||
uint8_t bDescriptorType; /* CS_INTERFACE descriptor type */
|
||||
uint8_t bDescriptorSubtype; /* call management functional descriptor subtype */
|
||||
uint8_t bmCapabilities; /* capabilities that this configuration supports */
|
||||
uint8_t bDataInterface; /* interface number of the data class interface used for call management (optional) */
|
||||
} __packed;
|
||||
|
||||
/* Abstract control management functional descriptor */
|
||||
/* (usbcdc11.pdf, 5.2.3.3) */
|
||||
/* Describes the command supported by the communication interface class with the Abstract Control Model subclass code. */
|
||||
struct cdc_abstract_control_management_descriptor {
|
||||
uint8_t bFunctionLength; /* size of this descriptor in bytes */
|
||||
uint8_t bDescriptorType; /* CS_INTERFACE descriptor type */
|
||||
uint8_t bDescriptorSubtype; /* abstract control management functional descriptor subtype */
|
||||
uint8_t bmCapabilities; /* capabilities supported by this configuration */
|
||||
} __packed;
|
||||
|
||||
/* Union functional descriptors */
|
||||
/* (usbcdc11.pdf, 5.2.3.8) */
|
||||
/* Describes the relationship between a group of interfaces that can be considered to form a functional unit. */
|
||||
struct cdc_union_descriptor {
|
||||
uint8_t bFunctionLength; /* size of this descriptor in bytes */
|
||||
uint8_t bDescriptorType; /* CS_INTERFACE descriptor type */
|
||||
uint8_t bDescriptorSubtype; /* union functional descriptor subtype */
|
||||
uint8_t bMasterInterface; /* interface number designated as master */
|
||||
} __packed;
|
||||
|
||||
/* Union functional descriptors with one slave interface */
|
||||
/* (usbcdc11.pdf, 5.2.3.8) */
|
||||
struct cdc_union_1slave_descriptor {
|
||||
uint8_t bFunctionLength;
|
||||
uint8_t bDescriptorType;
|
||||
uint8_t bDescriptorSubtype;
|
||||
uint8_t bControlInterface;
|
||||
uint8_t bSubordinateInterface0;
|
||||
} __packed;
|
||||
|
||||
/* Line coding structure for GET_LINE_CODING / SET_LINE_CODING class requests*/
|
||||
/* Format of the data returned when a GetLineCoding request is received */
|
||||
/* (usbcdc11.pdf, 6.2.13) */
|
||||
struct cdc_line_coding {
|
||||
uint32_t dwDTERate; /* Data terminal rate in bits per second */
|
||||
uint8_t bCharFormat; /* Number of stop bits */
|
||||
uint8_t bParityType; /* Parity bit type */
|
||||
uint8_t bDataBits; /* Number of data bits */
|
||||
} __packed;
|
||||
|
||||
/** Data structure for the notification about SerialState */
|
||||
struct cdc_acm_notification {
|
||||
uint8_t bmRequestType;
|
||||
uint8_t bNotificationType;
|
||||
uint16_t wValue;
|
||||
uint16_t wIndex;
|
||||
uint16_t wLength;
|
||||
uint16_t data;
|
||||
} __packed;
|
||||
|
||||
/** Ethernet Networking Functional Descriptor */
|
||||
struct cdc_ecm_descriptor {
|
||||
uint8_t bFunctionLength;
|
||||
uint8_t bDescriptorType;
|
||||
uint8_t bDescriptorSubtype;
|
||||
uint8_t iMACAddress;
|
||||
uint32_t bmEthernetStatistics;
|
||||
uint16_t wMaxSegmentSize;
|
||||
uint16_t wNumberMCFilters;
|
||||
uint8_t bNumberPowerFilters;
|
||||
} __packed;
|
||||
|
||||
/*Length of template descriptor: 66 bytes*/
|
||||
#define CDC_ACM_DESCRIPTOR_LEN (8 + 9 + 5 + 5 + 4 + 5 + 7 + 9 + 7 + 7)
|
||||
|
||||
#define CDC_ACM_DESCRIPTOR_INIT(bFirstInterface, int_ep, out_ep, in_ep, str_idx) \
|
||||
/* Interface Associate */ \
|
||||
0x08, /* bLength */ \
|
||||
USB_DESCRIPTOR_TYPE_INTERFACE_ASSOCIATION, /* bDescriptorType */ \
|
||||
bFirstInterface, /* bFirstInterface */ \
|
||||
0x02, /* bInterfaceCount */ \
|
||||
USB_DEVICE_CLASS_CDC, /* bFunctionClass */ \
|
||||
CDC_ABSTRACT_CONTROL_MODEL, /* bFunctionSubClass */ \
|
||||
CDC_COMMON_PROTOCOL_AT_COMMANDS, /* bFunctionProtocol */ \
|
||||
0x00, /* iFunction */ /* CDC Control Interface */ \
|
||||
0x09, /* bLength */ \
|
||||
USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType */ \
|
||||
bFirstInterface, /* bInterfaceNumber */ \
|
||||
0x00, /* bAlternateSetting */ \
|
||||
0x01, /* bNumEndpoints */ \
|
||||
USB_DEVICE_CLASS_CDC, /* bInterfaceClass */ \
|
||||
CDC_ABSTRACT_CONTROL_MODEL, /* bInterfaceSubClass */ \
|
||||
CDC_COMMON_PROTOCOL_AT_COMMANDS, /* bInterfaceProtocol */ \
|
||||
str_idx, /* iInterface */ /* CDC Header */ \
|
||||
0x05, /* bLength */ \
|
||||
CDC_CS_INTERFACE, /* bDescriptorType */ \
|
||||
CDC_FUNC_DESC_HEADER, /* bDescriptorSubtype */ \
|
||||
WBVAL(CDC_V1_10), /* bcdCDC */ /* CDC Call */ \
|
||||
0x05, /* bLength */ \
|
||||
CDC_CS_INTERFACE, /* bDescriptorType */ \
|
||||
CDC_FUNC_DESC_CALL_MANAGEMENT, /* bDescriptorSubtype */ \
|
||||
bFirstInterface, /* bmCapabilities */ \
|
||||
(uint8_t)(bFirstInterface + 1), /* bDataInterface */ /* CDC ACM: support line request */ \
|
||||
0x04, /* bLength */ \
|
||||
CDC_CS_INTERFACE, /* bDescriptorType */ \
|
||||
CDC_FUNC_DESC_ABSTRACT_CONTROL_MANAGEMENT, /* bDescriptorSubtype */ \
|
||||
0x02, /* bmCapabilities */ /* CDC Union */ \
|
||||
0x05, /* bLength */ \
|
||||
CDC_CS_INTERFACE, /* bDescriptorType */ \
|
||||
CDC_FUNC_DESC_UNION, /* bDescriptorSubtype */ \
|
||||
bFirstInterface, /* bMasterInterface */ \
|
||||
(uint8_t)(bFirstInterface + 1), /* bSlaveInterface0 */ /* Endpoint Notification */ \
|
||||
0x07, /* bLength */ \
|
||||
USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType */ \
|
||||
int_ep, /* bEndpointAddress */ \
|
||||
0x03, /* bmAttributes */ \
|
||||
0x40, 0x00, /* wMaxPacketSize */ \
|
||||
0x01, /* bInterval */ /* CDC Data Interface */ \
|
||||
0x09, /* bLength */ \
|
||||
USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType */ \
|
||||
(uint8_t)(bFirstInterface + 1), /* bInterfaceNumber */ \
|
||||
0x00, /* bAlternateSetting */ \
|
||||
0x02, /* bNumEndpoints */ \
|
||||
CDC_DATA_INTERFACE_CLASS, /* bInterfaceClass */ \
|
||||
0x00, /* bInterfaceSubClass */ \
|
||||
0x00, /* bInterfaceProtocol */ \
|
||||
0x00, /* iInterface */ /* Endpoint Out */ \
|
||||
0x07, /* bLength */ \
|
||||
USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType */ \
|
||||
out_ep, /* bEndpointAddress */ \
|
||||
0x02, /* bmAttributes */ \
|
||||
0x40, 0x00, /* wMaxPacketSize */ \
|
||||
0x01, /* bInterval */ /* Endpoint In */ \
|
||||
0x07, /* bLength */ \
|
||||
USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType */ \
|
||||
in_ep, /* bEndpointAddress */ \
|
||||
0x02, /* bmAttributes */ \
|
||||
0x40, 0x00, /* wMaxPacketSize */ \
|
||||
0x01 /* bInterval */
|
||||
|
||||
void usbd_cdc_add_acm_interface(usbd_class_t *class, usbd_interface_t *intf);
|
||||
|
||||
void usbd_cdc_acm_set_line_coding(uint32_t baudrate, uint8_t databits, uint8_t parity, uint8_t stopbits);
|
||||
void usbd_cdc_acm_set_dtr(bool dtr);
|
||||
void usbd_cdc_acm_set_rts(bool rts);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* USB_CDC_H_ */
|
||||
Reference in New Issue
Block a user