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/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
* Copyright (c) 2026-present Eclipse ThreadX contributors
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** USBX Component */
/** */
/** CDC ACM Class */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* COMPONENT DEFINITION RELEASE */
/* */
/* ux_host_class_cdc_acm.h PORTABLE C */
/* 6.1.10 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This file contains all the header and extern functions used by the */
/* USBX CDC ACM class. */
/* */
/**************************************************************************/
#ifndef UX_HOST_CLASS_CDC_ACM_H
#define UX_HOST_CLASS_CDC_ACM_H
/* Determine if a C++ compiler is being used. If so, ensure that standard
C is used to process the API information. */
#ifdef __cplusplus
/* Yes, C++ compiler is present. Use standard C. */
extern "C" {
#endif
/* Internal option: enable the basic USBX error checking. This define is typically used
while debugging application. */
#if defined(UX_ENABLE_ERROR_CHECKING) && !defined(UX_HOST_CLASS_CDC_ACM_ENABLE_ERROR_CHECKING)
#define UX_HOST_CLASS_CDC_ACM_ENABLE_ERROR_CHECKING
#endif
/* Define CDC ACM Class constants. */
#define UX_HOST_CLASS_CDC_ACM_DEVICE_INIT_DELAY 1000
#define UX_HOST_CLASS_CDC_ACM_CLASS_TRANSFER_TIMEOUT 300000
#define UX_HOST_CLASS_CDC_DATA_CLASS 0x0A
#define UX_HOST_CLASS_CDC_CONTROL_CLASS 0x02
#define UX_HOST_CLASS_CDC_ACM_SUBCLASS 0X02
#define UX_HOST_CLASS_CDC_DLC_SUBCLASS 0X01
#define UX_HOST_CLASS_CDC_ACM_CS_INTERFACE 0x24
/* Define CDC ACM Class descriptor subtypes in functional descriptors. */
#define UX_HOST_CLASS_CDC_ACM_HEADER_DESCRIPTOR 0X00
#define UX_HOST_CLASS_CDC_ACM_CALL_MANAGEMENT_DESCRIPTOR 0X01
#define UX_HOST_CLASS_CDC_ACM_ABSTRACT_CONTROL_MGT_DESCRIPTOR 0X02
#define UX_HOST_CLASS_CDC_ACM_DIRECT_LINE_MGT_DESCRIPTOR 0X03
#define UX_HOST_CLASS_CDC_ACM_TELEPHONE_RINGER_DESCRIPTOR 0X04
#define UX_HOST_CLASS_CDC_ACM_REPORT_CAPABILITY_DESCRIPTOR 0X05
#define UX_HOST_CLASS_CDC_ACM_UNION_DESCRIPTOR 0X06
#define UX_HOST_CLASS_CDC_ACM_COUNTRY_SELECTION_DESCRIPTOR 0X07
#define UX_HOST_CLASS_CDC_ACM_TELEPHONE_OPERATIONAL_DESCRIPTOR 0X08
#define UX_HOST_CLASS_CDC_ACM_USB_TERMINAL_DESCRIPTOR 0X09
/* Define CDC ACM Class call management descriptors. */
#define UX_HOST_CLASS_CDC_ACM_CALL_MANAGEMENT_CAPABILITIES 0x03
#define UX_HOST_CLASS_CDC_ACM_CALL_MANAGEMENT_DCM 0x01
#define UX_HOST_CLASS_CDC_ACM_CALL_MANAGEMENT_DCI 0x02
/* Define CDC ACM Class union interface functional descriptors. */
#define UX_HOST_CLASS_CDC_ACM_UNION_FUNCTIONAL_MASTER 0x03
/* Define CDC ACM command request values. */
#define UX_HOST_CLASS_CDC_ACM_REQ_SEND_ENCAPSULATED_COMMAND 0x00
#define UX_HOST_CLASS_CDC_ACM_REQ_GET_ENCAPSULATED_COMMAND 0x01
#define UX_HOST_CLASS_CDC_ACM_REQ_SET_COMM_FEATURE 0x02
#define UX_HOST_CLASS_CDC_ACM_REQ_GET_COMM_FEATURE 0x03
#define UX_HOST_CLASS_CDC_ACM_REQ_CLEAR_COMM_FEATURE 0x04
#define UX_HOST_CLASS_CDC_ACM_REQ_SET_AUX_LINE_STATE 0x10
#define UX_HOST_CLASS_CDC_ACM_REQ_SET_HOOK_STATE 0x11
#define UX_HOST_CLASS_CDC_ACM_REQ_PULSE_SETUP 0x12
#define UX_HOST_CLASS_CDC_ACM_REQ_SEND_PULSE 0x13
#define UX_HOST_CLASS_CDC_ACM_REQ_SET_PUSLE_TIME 0x14
#define UX_HOST_CLASS_CDC_ACM_REQ_RING_AUX_JACK 0x15
#define UX_HOST_CLASS_CDC_ACM_REQ_SET_LINE_CODING 0x20
#define UX_HOST_CLASS_CDC_ACM_REQ_GET_LINE_CODING 0x21
#define UX_HOST_CLASS_CDC_ACM_REQ_SET_LINE_STATE 0x22
#define UX_HOST_CLASS_CDC_ACM_REQ_SEND_BREAK 0x23
#define UX_HOST_CLASS_CDC_ACM_REQ_SET_RINGER_PARMS 0x30
#define UX_HOST_CLASS_CDC_ACM_REQ_GET_RINGER_PARMS 0x31
#define UX_HOST_CLASS_CDC_ACM_REQ_SET_OPERATION_PARMS 0x32
#define UX_HOST_CLASS_CDC_ACM_REQ_GET_OPERATION_PARMS 0x33
#define UX_HOST_CLASS_CDC_ACM_REQ_SET_LINE_PARMS 0x34
#define UX_HOST_CLASS_CDC_ACM_REQ_GET_LINE_PARMS 0x35
/* Define CDC ACM line output control values. */
#define UX_HOST_CLASS_CDC_ACM_CTRL_DTR 0x01
#define UX_HOST_CLASS_CDC_ACM_CTRL_RTS 0x02
/* Define CDC ACM line input control values. */
#define UX_HOST_CLASS_CDC_ACM_CTRL_DCD 0x01
#define UX_HOST_CLASS_CDC_ACM_CTRL_DSR 0x02
#define UX_HOST_CLASS_CDC_ACM_CTRL_BRK 0x04
#define UX_HOST_CLASS_CDC_ACM_CTRL_RI 0x08
#define UX_HOST_CLASS_CDC_ACM_CTRL_FRAMING 0x10
#define UX_HOST_CLASS_CDC_ACM_CTRL_PARITY 0x20
#define UX_HOST_CLASS_CDC_ACM_CTRL_OVERRUN 0x40
/* Define CDC ACM Class packet equivalences. */
#define UX_HOST_CLASS_CDC_ACM_PACKET_SIZE 128
/* Define CDC ACM default values. */
#ifndef UX_HOST_CLASS_CDC_ACM_LINE_CODING_DEFAULT_RATE
#define UX_HOST_CLASS_CDC_ACM_LINE_CODING_DEFAULT_RATE 9600
#endif
#ifndef UX_HOST_CLASS_CDC_ACM_LINE_CODING_DEFAULT_STOP_BIT
#define UX_HOST_CLASS_CDC_ACM_LINE_CODING_DEFAULT_STOP_BIT 0
#endif
#ifndef UX_HOST_CLASS_CDC_ACM_LINE_CODING_DEFAULT_PARITY
#define UX_HOST_CLASS_CDC_ACM_LINE_CODING_DEFAULT_PARITY 0
#endif
#ifndef UX_HOST_CLASS_CDC_ACM_LINE_CODING_DEFAULT_DATA_BIT
#define UX_HOST_CLASS_CDC_ACM_LINE_CODING_DEFAULT_DATA_BIT 8
#endif
/* Define CDC ACM line coding definitions. */
#define UX_HOST_CLASS_CDC_ACM_LINE_CODING_STOP_BIT_0 0
#define UX_HOST_CLASS_CDC_ACM_LINE_CODING_STOP_BIT_15 1
#define UX_HOST_CLASS_CDC_ACM_LINE_CODING_STOP_BIT_2 2
#define UX_HOST_CLASS_CDC_ACM_LINE_CODING_PARITY_NONE 0
#define UX_HOST_CLASS_CDC_ACM_LINE_CODING_PARITY_ODD 1
#define UX_HOST_CLASS_CDC_ACM_LINE_CODING_PARITY_EVEN 2
#define UX_HOST_CLASS_CDC_ACM_LINE_CODING_PARITY_MARK 3
#define UX_HOST_CLASS_CDC_ACM_LINE_CODING_PARITY_SPACE 4
#define UX_HOST_CLASS_CDC_ACM_LINE_CODING_LENGTH 7
#define UX_HOST_CLASS_CDC_ACM_LINE_CODING_RATE 0
#define UX_HOST_CLASS_CDC_ACM_LINE_CODING_STOP_BIT 4
#define UX_HOST_CLASS_CDC_ACM_LINE_CODING_PARITY 5
#define UX_HOST_CLASS_CDC_ACM_LINE_CODING_DATA_BIT 6
/* Define CDC ACM line state definitions. */
#define UX_HOST_CLASS_CDC_ACM_LINE_STATE_STOP_BIT_0 0
#define UX_HOST_CLASS_CDC_ACM_LINE_CODING_STOP_BIT_15 1
/* Define CDC ACM IOCTL Functions. */
#define UX_HOST_CLASS_CDC_ACM_IOCTL_SET_LINE_CODING 0
#define UX_HOST_CLASS_CDC_ACM_IOCTL_GET_LINE_CODING 1
#define UX_HOST_CLASS_CDC_ACM_IOCTL_SET_LINE_STATE 2
#define UX_HOST_CLASS_CDC_ACM_IOCTL_SEND_BREAK 3
#define UX_HOST_CLASS_CDC_ACM_IOCTL_ABORT_IN_PIPE 5
#define UX_HOST_CLASS_CDC_ACM_IOCTL_ABORT_OUT_PIPE 6
#define UX_HOST_CLASS_CDC_ACM_IOCTL_NOTIFICATION_CALLBACK 7
#define UX_HOST_CLASS_CDC_ACM_IOCTL_GET_DEVICE_STATUS 8
#define UX_HOST_CLASS_CDC_ACM_IOCTL_WRITE_CALLBACK 9
#define UX_HOST_CLASS_CDC_ACM_IOCTL_GET_WRITE_STATUS 10
/* Define CDC ACM Reception States. */
#define UX_HOST_CLASS_CDC_ACM_RECEPTION_STATE_STOPPED 0
#define UX_HOST_CLASS_CDC_ACM_RECEPTION_STATE_STARTED 1
#define UX_HOST_CLASS_CDC_ACM_RECEPTION_STATE_IN_TRANSFER 2
/* Define supported notification types. */
#define UX_HOST_CLASS_CDC_ACM_NOTIFICATION_NETWORK_CONNECTION 0x00
#define UX_HOST_CLASS_CDC_ACM_NOTIFICATION_RESPONSE_AVAILABLE 0x01
#define UX_HOST_CLASS_CDC_ACM_NOTIFICATION_SERIAL_STATE 0x20
#define UX_HOST_CLASS_CDC_ACM_NOTIFICATION_CALL_STATE_CHANGE 0x28
#define UX_HOST_CLASS_CDC_ACM_NOTIFICATION_LINE_STATE_CHANGE 0x29
#define UX_HOST_CLASS_CDC_ACM_NOTIFICATION_SPEED_CHANGE 0x2A
/* Define notification packet format. */
#define UX_HOST_CLASS_CDC_ACM_NPF_REQUEST_TYPE 0x00
#define UX_HOST_CLASS_CDC_ACM_NPF_NOTIFICATION_TYPE 0x01
#define UX_HOST_CLASS_CDC_ACM_NPF_VALUE 0x02
#define UX_HOST_CLASS_CDC_ACM_NPF_INDEX 0x04
#define UX_HOST_CLASS_CDC_ACM_NPF_LENGTH 0x06
/* Define CDC ACM Class instance structure. */
typedef struct UX_HOST_CLASS_CDC_ACM_STRUCT
{
struct UX_HOST_CLASS_CDC_ACM_STRUCT
*ux_host_class_cdc_acm_next_instance;
UX_HOST_CLASS *ux_host_class_cdc_acm_class;
UX_DEVICE *ux_host_class_cdc_acm_device;
UX_ENDPOINT *ux_host_class_cdc_acm_bulk_in_endpoint;
UX_ENDPOINT *ux_host_class_cdc_acm_bulk_out_endpoint;
UX_ENDPOINT *ux_host_class_cdc_acm_interrupt_endpoint;
UX_INTERFACE *ux_host_class_cdc_acm_interface;
UINT ux_host_class_cdc_acm_instance_status;
UINT ux_host_class_cdc_acm_state;
ULONG ux_host_class_cdc_acm_notification_count;
ULONG ux_host_class_cdc_acm_capabilities;
ULONG ux_host_class_cdc_acm_device_state;
struct UX_HOST_CLASS_CDC_ACM_RECEPTION_STRUCT
*ux_host_class_cdc_acm_reception;
VOID (*ux_host_class_cdc_acm_device_status_change_callback)(struct UX_HOST_CLASS_CDC_ACM_STRUCT *cdc_acm,
ULONG notification_type, ULONG notification_value);
#if !defined(UX_HOST_STANDALONE)
UX_SEMAPHORE ux_host_class_cdc_acm_semaphore;
#else
UINT ux_host_class_cdc_acm_status;
VOID *ux_host_class_cdc_acm_allocated;
ULONG ux_host_class_cdc_acm_interfaces_bitmap;
ULONG ux_host_class_cdc_acm_tick;
struct UX_HOST_CLASS_CDC_ACM_STRUCT
*ux_host_class_cdc_acm_control;
ULONG ux_host_class_cdc_acm_write_length;
ULONG ux_host_class_cdc_acm_write_count;
VOID (*ux_host_class_cdc_acm_write_callback)(
struct UX_HOST_CLASS_CDC_ACM_STRUCT *cdc_acm,
UINT status, ULONG length);
UCHAR ux_host_class_cdc_acm_cmd_state;
UCHAR ux_host_class_cdc_acm_read_state;
UCHAR ux_host_class_cdc_acm_write_state;
UCHAR ux_host_class_cdc_acm_next_state;
#endif
} UX_HOST_CLASS_CDC_ACM;
/* Define CDC DLC Class instance structure. */
typedef struct UX_HOST_CLASS_CDC_DLC_STRUCT
{
struct UX_HOST_CLASS_CDC_DLC_STRUCT
*ux_host_class_cdc_dlc_next_instance;
UX_HOST_CLASS *ux_host_class_cdc_dlc_class;
UX_DEVICE *ux_host_class_cdc_dlc_device;
UX_ENDPOINT *ux_host_class_cdc_dlc_bulk_in_endpoint;
UX_ENDPOINT *ux_host_class_cdc_dlc_bulk_out_endpoint;
UX_ENDPOINT *ux_host_class_cdc_dlc_interrupt_endpoint;
UX_INTERFACE *ux_host_class_cdc_dlc_interface;
UINT ux_host_class_cdc_dlc_instance_status;
UINT ux_host_class_cdc_dlc_state;
ULONG ux_host_class_cdc_dlc_notification_count;
ULONG ux_host_class_cdc_dlc_capabilities;
struct UX_HOST_CLASS_CDC_DLC_RECEPTION_STRUCT
*ux_host_class_cdc_dlc_reception;
#if !defined(UX_HOST_STANDALONE)
UX_SEMAPHORE ux_host_class_cdc_dlc_semaphore;
#else
ULONG ux_host_class_cdc_dlc_interfaces_bitmap;
struct UX_HOST_CLASS_CDC_ACM_STRUCT
*ux_host_class_cdc_dlc_control;
ULONG ux_host_class_cdc_dlc_write_length;
ULONG ux_host_class_cdc_dlc_write_count;
VOID (*ux_host_class_cdc_dlc_write_callback)(
struct UX_HOST_CLASS_CDC_ACM_STRUCT *cdc_acm,
UINT status, ULONG length);
UCHAR ux_host_class_cdc_dlc_cmd_state;
UCHAR ux_host_class_cdc_dlc_read_state;
UCHAR ux_host_class_cdc_dlc_write_state;
UCHAR ux_host_class_cdc_dlc_next_state;
#endif
} UX_HOST_CLASS_CDC_DLC;
/* Define CDC ACM reception structure. */
typedef struct UX_HOST_CLASS_CDC_ACM_RECEPTION_STRUCT
{
ULONG ux_host_class_cdc_acm_reception_state;
ULONG ux_host_class_cdc_acm_reception_block_size;
UCHAR *ux_host_class_cdc_acm_reception_data_buffer;
ULONG ux_host_class_cdc_acm_reception_data_buffer_size;
UCHAR *ux_host_class_cdc_acm_reception_data_head;
UCHAR *ux_host_class_cdc_acm_reception_data_tail;
VOID (*ux_host_class_cdc_acm_reception_callback)(struct UX_HOST_CLASS_CDC_ACM_STRUCT *cdc_acm,
UINT status,
UCHAR *reception_buffer,
ULONG reception_size);
} UX_HOST_CLASS_CDC_ACM_RECEPTION;
/* Define CDC ACM Line Coding IOCTL structure. */
typedef struct UX_HOST_CLASS_CDC_ACM_LINE_CODING_STRUCT
{
ULONG ux_host_class_cdc_acm_line_coding_dter;
ULONG ux_host_class_cdc_acm_line_coding_stop_bit;
ULONG ux_host_class_cdc_acm_line_coding_parity;
ULONG ux_host_class_cdc_acm_line_coding_data_bits;
} UX_HOST_CLASS_CDC_ACM_LINE_CODING;
/* Define CDC ACM Line State IOCTL structure. */
typedef struct UX_HOST_CLASS_CDC_ACM_LINE_STATE_STRUCT
{
ULONG ux_host_class_cdc_acm_line_state_rts;
ULONG ux_host_class_cdc_acm_line_state_dtr;
} UX_HOST_CLASS_CDC_ACM_LINE_STATE;
/* Define CDC ACM Line break IOCTL structure. */
typedef struct UX_HOST_CLASS_CDC_ACM_LINE_BREAK_STRUCT
{
ULONG ux_host_class_cdc_acm_line_break;
} UX_HOST_CLASS_CDC_ACM_LINE_BREAK;
/* Define CDC ACM Class function prototypes. */
UINT _ux_host_class_cdc_acm_activate(UX_HOST_CLASS_COMMAND *command);
UINT _ux_host_class_cdc_acm_configure(UX_HOST_CLASS_CDC_ACM *cdc_acm);
UINT _ux_host_class_cdc_acm_deactivate(UX_HOST_CLASS_COMMAND *command);
UINT _ux_host_class_cdc_acm_endpoints_get(UX_HOST_CLASS_CDC_ACM *cdc_acm);
UINT _ux_host_class_cdc_acm_entry(UX_HOST_CLASS_COMMAND *command);
UINT _ux_host_class_cdc_acm_read (UX_HOST_CLASS_CDC_ACM *cdc_acm, UCHAR *data_pointer,
ULONG requested_length, ULONG *actual_length);
UINT _ux_host_class_cdc_acm_write(UX_HOST_CLASS_CDC_ACM *cdc_acm, UCHAR *data_pointer,
ULONG requested_length, ULONG *actual_length);
UINT _ux_host_class_cdc_acm_ioctl(UX_HOST_CLASS_CDC_ACM *cdc_acm, ULONG request,
VOID *parameter);
UINT _ux_host_class_cdc_acm_command(UX_HOST_CLASS_CDC_ACM *cdc_acm, ULONG command,
ULONG value, UCHAR *data_buffer, ULONG data_length);
VOID _ux_host_class_cdc_acm_transfer_request_completed(UX_TRANSFER *transfer_request);
UINT _ux_host_class_cdc_acm_capabilities_get(UX_HOST_CLASS_CDC_ACM *cdc_acm);
UINT _ux_host_class_cdc_acm_reception_stop (UX_HOST_CLASS_CDC_ACM *cdc_acm,
UX_HOST_CLASS_CDC_ACM_RECEPTION *cdc_acm_reception);
UINT _ux_host_class_cdc_acm_reception_start (UX_HOST_CLASS_CDC_ACM *cdc_acm,
UX_HOST_CLASS_CDC_ACM_RECEPTION *cdc_acm_reception);
VOID _ux_host_class_cdc_acm_reception_callback (UX_TRANSFER *transfer_request);
UINT _ux_host_class_cdc_acm_write_with_callback(UX_HOST_CLASS_CDC_ACM *cdc_acm, UCHAR *data_pointer,
ULONG requested_length);
VOID _ux_host_class_cdc_acm_transmission_callback(UX_TRANSFER *transfer_request);
UINT _uxe_host_class_cdc_acm_command(UX_HOST_CLASS_CDC_ACM *cdc_acm, ULONG command,
ULONG value, UCHAR *data_buffer, ULONG data_length);
UINT _uxe_host_class_cdc_acm_read (UX_HOST_CLASS_CDC_ACM *cdc_acm, UCHAR *data_pointer,
ULONG requested_length, ULONG *actual_length);
UINT _uxe_host_class_cdc_acm_write(UX_HOST_CLASS_CDC_ACM *cdc_acm, UCHAR *data_pointer,
ULONG requested_length, ULONG *actual_length);
UINT _uxe_host_class_cdc_acm_ioctl(UX_HOST_CLASS_CDC_ACM *cdc_acm, ULONG request,
VOID *parameter);
UINT _uxe_host_class_cdc_acm_reception_stop (UX_HOST_CLASS_CDC_ACM *cdc_acm,
UX_HOST_CLASS_CDC_ACM_RECEPTION *cdc_acm_reception);
UINT _uxe_host_class_cdc_acm_reception_start (UX_HOST_CLASS_CDC_ACM *cdc_acm,
UX_HOST_CLASS_CDC_ACM_RECEPTION *cdc_acm_reception);
UINT _uxe_host_class_cdc_acm_write_with_callback(UX_HOST_CLASS_CDC_ACM *cdc_acm, UCHAR *data_pointer,
ULONG requested_length);
/* Define CDC ACM Class API prototypes. */
#define ux_host_class_cdc_acm_entry _ux_host_class_cdc_acm_entry
#if defined(UX_HOST_CLASS_CDC_ACM_ENABLE_ERROR_CHECKING)
#define ux_host_class_cdc_acm_read _uxe_host_class_cdc_acm_read
#define ux_host_class_cdc_acm_write _uxe_host_class_cdc_acm_write
#define ux_host_class_cdc_acm_ioctl _uxe_host_class_cdc_acm_ioctl
#define ux_host_class_cdc_acm_reception_start _uxe_host_class_cdc_acm_reception_start
#define ux_host_class_cdc_acm_reception_stop _uxe_host_class_cdc_acm_reception_stop
#define ux_host_class_cdc_acm_write_with_callback _uxe_host_class_cdc_acm_write_with_callback
#else
#define ux_host_class_cdc_acm_read _ux_host_class_cdc_acm_read
#define ux_host_class_cdc_acm_write _ux_host_class_cdc_acm_write
#define ux_host_class_cdc_acm_ioctl _ux_host_class_cdc_acm_ioctl
#define ux_host_class_cdc_acm_reception_start _ux_host_class_cdc_acm_reception_start
#define ux_host_class_cdc_acm_reception_stop _ux_host_class_cdc_acm_reception_stop
#define ux_host_class_cdc_acm_write_with_callback _ux_host_class_cdc_acm_write_with_callback
#endif
/* Determine if a C++ compiler is being used. If so, complete the standard
C conditional started above. */
#ifdef __cplusplus
}
#endif
#endif
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