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Diffstat (limited to 'tinyusb/src/class/cdc/cdc.h')
| -rwxr-xr-x | tinyusb/src/class/cdc/cdc.h | 410 |
1 files changed, 410 insertions, 0 deletions
diff --git a/tinyusb/src/class/cdc/cdc.h b/tinyusb/src/class/cdc/cdc.h new file mode 100755 index 00000000..5df47f70 --- /dev/null +++ b/tinyusb/src/class/cdc/cdc.h @@ -0,0 +1,410 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2019 Ha Thach (tinyusb.org) + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + * This file is part of the TinyUSB stack. + */ + +/** \ingroup group_class + * \defgroup ClassDriver_CDC Communication Device Class (CDC) + * Currently only Abstract Control Model subclass is supported + * @{ */ + +#ifndef _TUSB_CDC_H__ +#define _TUSB_CDC_H__ + +#include "common/tusb_common.h" + +#ifdef __cplusplus + extern "C" { +#endif + +/** \defgroup ClassDriver_CDC_Common Common Definitions + * @{ */ + +// TODO remove +/// CDC Pipe ID, used to indicate which pipe the API is addressing to (Notification, Out, In) +typedef enum +{ + CDC_PIPE_NOTIFICATION , ///< Notification pipe + CDC_PIPE_DATA_IN , ///< Data in pipe + CDC_PIPE_DATA_OUT , ///< Data out pipe + CDC_PIPE_ERROR , ///< Invalid Pipe ID +}cdc_pipeid_t; + +//--------------------------------------------------------------------+ +// CDC Communication Interface Class +//--------------------------------------------------------------------+ + +/// Communication Interface Subclass Codes +typedef enum +{ + CDC_COMM_SUBCLASS_DIRECT_LINE_CONTROL_MODEL = 0x01 , ///< Direct Line Control Model [USBPSTN1.2] + CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL , ///< Abstract Control Model [USBPSTN1.2] + CDC_COMM_SUBCLASS_TELEPHONE_CONTROL_MODEL , ///< Telephone Control Model [USBPSTN1.2] + CDC_COMM_SUBCLASS_MULTICHANNEL_CONTROL_MODEL , ///< Multi-Channel Control Model [USBISDN1.2] + CDC_COMM_SUBCLASS_CAPI_CONTROL_MODEL , ///< CAPI Control Model [USBISDN1.2] + CDC_COMM_SUBCLASS_ETHERNET_CONTROL_MODEL , ///< Ethernet Networking Control Model [USBECM1.2] + CDC_COMM_SUBCLASS_ATM_NETWORKING_CONTROL_MODEL , ///< ATM Networking Control Model [USBATM1.2] + CDC_COMM_SUBCLASS_WIRELESS_HANDSET_CONTROL_MODEL , ///< Wireless Handset Control Model [USBWMC1.1] + CDC_COMM_SUBCLASS_DEVICE_MANAGEMENT , ///< Device Management [USBWMC1.1] + CDC_COMM_SUBCLASS_MOBILE_DIRECT_LINE_MODEL , ///< Mobile Direct Line Model [USBWMC1.1] + CDC_COMM_SUBCLASS_OBEX , ///< OBEX [USBWMC1.1] + CDC_COMM_SUBCLASS_ETHERNET_EMULATION_MODEL ///< Ethernet Emulation Model [USBEEM1.0] +} cdc_comm_sublcass_type_t; + +/// Communication Interface Protocol Codes +typedef enum +{ + CDC_COMM_PROTOCOL_NONE = 0x00 , ///< No specific protocol + CDC_COMM_PROTOCOL_ATCOMMAND , ///< AT Commands: V.250 etc + CDC_COMM_PROTOCOL_ATCOMMAND_PCCA_101 , ///< AT Commands defined by PCCA-101 + CDC_COMM_PROTOCOL_ATCOMMAND_PCCA_101_AND_ANNEXO , ///< AT Commands defined by PCCA-101 & Annex O + CDC_COMM_PROTOCOL_ATCOMMAND_GSM_707 , ///< AT Commands defined by GSM 07.07 + CDC_COMM_PROTOCOL_ATCOMMAND_3GPP_27007 , ///< AT Commands defined by 3GPP 27.007 + CDC_COMM_PROTOCOL_ATCOMMAND_CDMA , ///< AT Commands defined by TIA for CDMA + CDC_COMM_PROTOCOL_ETHERNET_EMULATION_MODEL ///< Ethernet Emulation Model +} cdc_comm_protocol_type_t; + +//------------- SubType Descriptor in COMM Functional Descriptor -------------// +/// Communication Interface SubType Descriptor +typedef enum +{ + CDC_FUNC_DESC_HEADER = 0x00 , ///< Header Functional Descriptor, which marks the beginning of the concatenated set of functional descriptors for the interface. + CDC_FUNC_DESC_CALL_MANAGEMENT = 0x01 , ///< Call Management Functional Descriptor. + CDC_FUNC_DESC_ABSTRACT_CONTROL_MANAGEMENT = 0x02 , ///< Abstract Control Management Functional Descriptor. + CDC_FUNC_DESC_DIRECT_LINE_MANAGEMENT = 0x03 , ///< Direct Line Management Functional Descriptor. + CDC_FUNC_DESC_TELEPHONE_RINGER = 0x04 , ///< Telephone Ringer Functional Descriptor. + CDC_FUNC_DESC_TELEPHONE_CALL_AND_LINE_STATE_REPORTING_CAPACITY = 0x05 , ///< Telephone Call and Line State Reporting Capabilities Functional Descriptor. + CDC_FUNC_DESC_UNION = 0x06 , ///< Union Functional Descriptor + CDC_FUNC_DESC_COUNTRY_SELECTION = 0x07 , ///< Country Selection Functional Descriptor + CDC_FUNC_DESC_TELEPHONE_OPERATIONAL_MODES = 0x08 , ///< Telephone Operational ModesFunctional Descriptor + CDC_FUNC_DESC_USB_TERMINAL = 0x09 , ///< USB Terminal Functional Descriptor + CDC_FUNC_DESC_NETWORK_CHANNEL_TERMINAL = 0x0A , ///< Network Channel Terminal Descriptor + CDC_FUNC_DESC_PROTOCOL_UNIT = 0x0B , ///< Protocol Unit Functional Descriptor + CDC_FUNC_DESC_EXTENSION_UNIT = 0x0C , ///< Extension Unit Functional Descriptor + CDC_FUNC_DESC_MULTICHANEL_MANAGEMENT = 0x0D , ///< Multi-Channel Management Functional Descriptor + CDC_FUNC_DESC_CAPI_CONTROL_MANAGEMENT = 0x0E , ///< CAPI Control Management Functional Descriptor + CDC_FUNC_DESC_ETHERNET_NETWORKING = 0x0F , ///< Ethernet Networking Functional Descriptor + CDC_FUNC_DESC_ATM_NETWORKING = 0x10 , ///< ATM Networking Functional Descriptor + CDC_FUNC_DESC_WIRELESS_HANDSET_CONTROL_MODEL = 0x11 , ///< Wireless Handset Control Model Functional Descriptor + CDC_FUNC_DESC_MOBILE_DIRECT_LINE_MODEL = 0x12 , ///< Mobile Direct Line Model Functional Descriptor + CDC_FUNC_DESC_MOBILE_DIRECT_LINE_MODEL_DETAIL = 0x13 , ///< MDLM Detail Functional Descriptor + CDC_FUNC_DESC_DEVICE_MANAGEMENT_MODEL = 0x14 , ///< Device Management Model Functional Descriptor + CDC_FUNC_DESC_OBEX = 0x15 , ///< OBEX Functional Descriptor + CDC_FUNC_DESC_COMMAND_SET = 0x16 , ///< Command Set Functional Descriptor + CDC_FUNC_DESC_COMMAND_SET_DETAIL = 0x17 , ///< Command Set Detail Functional Descriptor + CDC_FUNC_DESC_TELEPHONE_CONTROL_MODEL = 0x18 , ///< Telephone Control Model Functional Descriptor + CDC_FUNC_DESC_OBEX_SERVICE_IDENTIFIER = 0x19 ///< OBEX Service Identifier Functional Descriptor +}cdc_func_desc_type_t; + +//--------------------------------------------------------------------+ +// CDC Data Interface Class +//--------------------------------------------------------------------+ + +// SUBCLASS code of Data Interface is not used and should/must be zero +/// Data Interface Protocol Codes +typedef enum{ + CDC_DATA_PROTOCOL_ISDN_BRI = 0x30, ///< Physical interface protocol for ISDN BRI + CDC_DATA_PROTOCOL_HDLC = 0x31, ///< HDLC + CDC_DATA_PROTOCOL_TRANSPARENT = 0x32, ///< Transparent + CDC_DATA_PROTOCOL_Q921_MANAGEMENT = 0x50, ///< Management protocol for Q.921 data link protocol + CDC_DATA_PROTOCOL_Q921_DATA_LINK = 0x51, ///< Data link protocol for Q.931 + CDC_DATA_PROTOCOL_Q921_TEI_MULTIPLEXOR = 0x52, ///< TEI-multiplexor for Q.921 data link protocol + CDC_DATA_PROTOCOL_V42BIS_DATA_COMPRESSION = 0x90, ///< Data compression procedures + CDC_DATA_PROTOCOL_EURO_ISDN = 0x91, ///< Euro-ISDN protocol control + CDC_DATA_PROTOCOL_V24_RATE_ADAPTION_TO_ISDN = 0x92, ///< V.24 rate adaptation to ISDN + CDC_DATA_PROTOCOL_CAPI_COMMAND = 0x93, ///< CAPI Commands + CDC_DATA_PROTOCOL_HOST_BASED_DRIVER = 0xFD, ///< Host based driver. Note: This protocol code should only be used in messages between host and device to identify the host driver portion of a protocol stack. + CDC_DATA_PROTOCOL_IN_PROTOCOL_UNIT_FUNCTIONAL_DESCRIPTOR = 0xFE ///< The protocol(s) are described using a ProtocolUnit Functional Descriptors on Communications Class Interface +}cdc_data_protocol_type_t; + +//--------------------------------------------------------------------+ +// Management Element Request (Control Endpoint) +//--------------------------------------------------------------------+ + +/// Communication Interface Management Element Request Codes +typedef enum +{ + CDC_REQUEST_SEND_ENCAPSULATED_COMMAND = 0x00, ///< is used to issue a command in the format of the supported control protocol of the Communications Class interface + CDC_REQUEST_GET_ENCAPSULATED_RESPONSE = 0x01, ///< is used to request a response in the format of the supported control protocol of the Communications Class interface. + + CDC_REQUEST_SET_COMM_FEATURE = 0x02, + CDC_REQUEST_GET_COMM_FEATURE = 0x03, + CDC_REQUEST_CLEAR_COMM_FEATURE = 0x04, + + CDC_REQUEST_SET_AUX_LINE_STATE = 0x10, + CDC_REQUEST_SET_HOOK_STATE = 0x11, + CDC_REQUEST_PULSE_SETUP = 0x12, + CDC_REQUEST_SEND_PULSE = 0x13, + CDC_REQUEST_SET_PULSE_TIME = 0x14, + CDC_REQUEST_RING_AUX_JACK = 0x15, + + CDC_REQUEST_SET_LINE_CODING = 0x20, + CDC_REQUEST_GET_LINE_CODING = 0x21, + CDC_REQUEST_SET_CONTROL_LINE_STATE = 0x22, + CDC_REQUEST_SEND_BREAK = 0x23, + + CDC_REQUEST_SET_RINGER_PARMS = 0x30, + CDC_REQUEST_GET_RINGER_PARMS = 0x31, + CDC_REQUEST_SET_OPERATION_PARMS = 0x32, + CDC_REQUEST_GET_OPERATION_PARMS = 0x33, + CDC_REQUEST_SET_LINE_PARMS = 0x34, + CDC_REQUEST_GET_LINE_PARMS = 0x35, + CDC_REQUEST_DIAL_DIGITS = 0x36, + CDC_REQUEST_SET_UNIT_PARAMETER = 0x37, + CDC_REQUEST_GET_UNIT_PARAMETER = 0x38, + CDC_REQUEST_CLEAR_UNIT_PARAMETER = 0x39, + CDC_REQUEST_GET_PROFILE = 0x3A, + + CDC_REQUEST_SET_ETHERNET_MULTICAST_FILTERS = 0x40, + CDC_REQUEST_SET_ETHERNET_POWER_MANAGEMENT_PATTERN_FILTER = 0x41, + CDC_REQUEST_GET_ETHERNET_POWER_MANAGEMENT_PATTERN_FILTER = 0x42, + CDC_REQUEST_SET_ETHERNET_PACKET_FILTER = 0x43, + CDC_REQUEST_GET_ETHERNET_STATISTIC = 0x44, + + CDC_REQUEST_SET_ATM_DATA_FORMAT = 0x50, + CDC_REQUEST_GET_ATM_DEVICE_STATISTICS = 0x51, + CDC_REQUEST_SET_ATM_DEFAULT_VC = 0x52, + CDC_REQUEST_GET_ATM_VC_STATISTICS = 0x53, + + CDC_REQUEST_MDLM_SEMANTIC_MODEL = 0x60, +}cdc_management_request_t; + +//--------------------------------------------------------------------+ +// Management Elemenent Notification (Notification Endpoint) +//--------------------------------------------------------------------+ + +/// Communication Interface Management Element Notification Codes +typedef enum +{ + NETWORK_CONNECTION = 0x00, ///< This notification allows the device to notify the host about network connection status. + RESPONSE_AVAILABLE = 0x01, ///< This notification allows the device to notify the hostthat a response is available. This response can be retrieved with a subsequent \ref CDC_REQUEST_GET_ENCAPSULATED_RESPONSE request. + + AUX_JACK_HOOK_STATE = 0x08, + RING_DETECT = 0x09, + + SERIAL_STATE = 0x20, + + CALL_STATE_CHANGE = 0x28, + LINE_STATE_CHANGE = 0x29, + CONNECTION_SPEED_CHANGE = 0x2A, ///< This notification allows the device to inform the host-networking driver that a change in either the upstream or the downstream bit rate of the connection has occurred + MDLM_SEMANTIC_MODEL_NOTIFICATION = 0x40, +}cdc_notification_request_t; + +//--------------------------------------------------------------------+ +// Class Specific Functional Descriptor (Communication Interface) +//--------------------------------------------------------------------+ + +// Start of all packed definitions for compiler without per-type packed +TU_ATTR_PACKED_BEGIN +TU_ATTR_BIT_FIELD_ORDER_BEGIN + +/// Header Functional Descriptor (Communication Interface) +typedef struct TU_ATTR_PACKED +{ + uint8_t bLength ; ///< Size of this descriptor in bytes. + uint8_t bDescriptorType ; ///< Descriptor Type, must be Class-Specific + uint8_t bDescriptorSubType ; ///< Descriptor SubType one of above CDC_FUNC_DESC_ + uint16_t bcdCDC ; ///< CDC release number in Binary-Coded Decimal +}cdc_desc_func_header_t; + +/// Union Functional Descriptor (Communication Interface) +typedef struct TU_ATTR_PACKED +{ + uint8_t bLength ; ///< Size of this descriptor in bytes. + uint8_t bDescriptorType ; ///< Descriptor Type, must be Class-Specific + uint8_t bDescriptorSubType ; ///< Descriptor SubType one of above CDC_FUCN_DESC_ + uint8_t bControlInterface ; ///< Interface number of Communication Interface + uint8_t bSubordinateInterface ; ///< Array of Interface number of Data Interface +}cdc_desc_func_union_t; + +#define cdc_desc_func_union_n_t(no_slave)\ + struct TU_ATTR_PACKED { \ + uint8_t bLength ;\ + uint8_t bDescriptorType ;\ + uint8_t bDescriptorSubType ;\ + uint8_t bControlInterface ;\ + uint8_t bSubordinateInterface[no_slave] ;\ +} + +/// Country Selection Functional Descriptor (Communication Interface) +typedef struct TU_ATTR_PACKED +{ + uint8_t bLength ; ///< Size of this descriptor in bytes. + uint8_t bDescriptorType ; ///< Descriptor Type, must be Class-Specific + uint8_t bDescriptorSubType ; ///< Descriptor SubType one of above CDC_FUCN_DESC_ + uint8_t iCountryCodeRelDate ; ///< Index of a string giving the release date for the implemented ISO 3166 Country Codes. + uint16_t wCountryCode ; ///< Country code in the format as defined in [ISO3166], release date as specified inoffset 3 for the first supported country. +}cdc_desc_func_country_selection_t; + +#define cdc_desc_func_country_selection_n_t(no_country) \ + struct TU_ATTR_PACKED { \ + uint8_t bLength ;\ + uint8_t bDescriptorType ;\ + uint8_t bDescriptorSubType ;\ + uint8_t iCountryCodeRelDate ;\ + uint16_t wCountryCode[no_country] ;\ +} + +//--------------------------------------------------------------------+ +// PUBLIC SWITCHED TELEPHONE NETWORK (PSTN) SUBCLASS +//--------------------------------------------------------------------+ + +/// \brief Call Management Functional Descriptor +/// \details This functional descriptor describes the processing of calls for the Communications Class interface. +typedef struct TU_ATTR_PACKED +{ + uint8_t bLength ; ///< Size of this descriptor in bytes. + uint8_t bDescriptorType ; ///< Descriptor Type, must be Class-Specific + uint8_t bDescriptorSubType ; ///< Descriptor SubType one of above CDC_FUCN_DESC_ + + struct { + uint8_t handle_call : 1; ///< 0 - Device sends/receives call management information only over the Communications Class interface. 1 - Device can send/receive call management information over a Data Class interface. + uint8_t send_recv_call : 1; ///< 0 - Device does not handle call management itself. 1 - Device handles call management itself. + uint8_t TU_RESERVED : 6; + } bmCapabilities; + + uint8_t bDataInterface; +}cdc_desc_func_call_management_t; + +typedef struct TU_ATTR_PACKED +{ + uint8_t support_comm_request : 1; ///< Device supports the request combination of Set_Comm_Feature, Clear_Comm_Feature, and Get_Comm_Feature. + uint8_t support_line_request : 1; ///< Device supports the request combination of Set_Line_Coding, Set_Control_Line_State, Get_Line_Coding, and the notification Serial_State. + uint8_t support_send_break : 1; ///< Device supports the request Send_Break + uint8_t support_notification_network_connection : 1; ///< Device supports the notification Network_Connection. + uint8_t TU_RESERVED : 4; +}cdc_acm_capability_t; + +TU_VERIFY_STATIC(sizeof(cdc_acm_capability_t) == 1, "mostly problem with compiler"); + +/// Abstract Control Management Functional Descriptor +/// This functional descriptor describes the commands supported by by the Communications Class interface with SubClass code of \ref CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL +typedef struct TU_ATTR_PACKED +{ + uint8_t bLength ; ///< Size of this descriptor in bytes. + uint8_t bDescriptorType ; ///< Descriptor Type, must be Class-Specific + uint8_t bDescriptorSubType ; ///< Descriptor SubType one of above CDC_FUCN_DESC_ + cdc_acm_capability_t bmCapabilities ; +}cdc_desc_func_acm_t; + +/// \brief Direct Line Management Functional Descriptor +/// \details This functional descriptor describes the commands supported by the Communications Class interface with SubClass code of \ref CDC_FUNC_DESC_DIRECT_LINE_MANAGEMENT +typedef struct TU_ATTR_PACKED +{ + uint8_t bLength ; ///< Size of this descriptor in bytes. + uint8_t bDescriptorType ; ///< Descriptor Type, must be Class-Specific + uint8_t bDescriptorSubType ; ///< Descriptor SubType one of above CDC_FUCN_DESC_ + struct { + uint8_t require_pulse_setup : 1; ///< Device requires extra Pulse_Setup request during pulse dialing sequence to disengage holding circuit. + uint8_t support_aux_request : 1; ///< Device supports the request combination of Set_Aux_Line_State, Ring_Aux_Jack, and notification Aux_Jack_Hook_State. + uint8_t support_pulse_request : 1; ///< Device supports the request combination of Pulse_Setup, Send_Pulse, and Set_Pulse_Time. + uint8_t TU_RESERVED : 5; + } bmCapabilities; +}cdc_desc_func_direct_line_management_t; + +/// \brief Telephone Ringer Functional Descriptor +/// \details The Telephone Ringer functional descriptor describes the ringer capabilities supported by the Communications Class interface, +/// with the SubClass code of \ref CDC_COMM_SUBCLASS_TELEPHONE_CONTROL_MODEL +typedef struct TU_ATTR_PACKED +{ + uint8_t bLength ; ///< Size of this descriptor in bytes. + uint8_t bDescriptorType ; ///< Descriptor Type, must be Class-Specific + uint8_t bDescriptorSubType ; ///< Descriptor SubType one of above CDC_FUCN_DESC_ + uint8_t bRingerVolSteps ; + uint8_t bNumRingerPatterns ; +}cdc_desc_func_telephone_ringer_t; + +/// \brief Telephone Operational Modes Functional Descriptor +/// \details The Telephone Operational Modes functional descriptor describes the operational modes supported by +/// the Communications Class interface, with the SubClass code of \ref CDC_COMM_SUBCLASS_TELEPHONE_CONTROL_MODEL +typedef struct TU_ATTR_PACKED +{ + uint8_t bLength ; ///< Size of this descriptor in bytes. + uint8_t bDescriptorType ; ///< Descriptor Type, must be Class-Specific + uint8_t bDescriptorSubType ; ///< Descriptor SubType one of above CDC_FUCN_DESC_ + struct { + uint8_t simple_mode : 1; + uint8_t standalone_mode : 1; + uint8_t computer_centric_mode : 1; + uint8_t TU_RESERVED : 5; + } bmCapabilities; +}cdc_desc_func_telephone_operational_modes_t; + +/// \brief Telephone Call and Line State Reporting Capabilities Descriptor +/// \details The Telephone Call and Line State Reporting Capabilities functional descriptor describes the abilities of a +/// telephone device to report optional call and line states. +typedef struct TU_ATTR_PACKED +{ + uint8_t bLength ; ///< Size of this descriptor in bytes. + uint8_t bDescriptorType ; ///< Descriptor Type, must be Class-Specific + uint8_t bDescriptorSubType ; ///< Descriptor SubType one of above CDC_FUCN_DESC_ + struct { + uint32_t interrupted_dialtone : 1; ///< 0 : Reports only dialtone (does not differentiate between normal and interrupted dialtone). 1 : Reports interrupted dialtone in addition to normal dialtone + uint32_t ringback_busy_fastbusy : 1; ///< 0 : Reports only dialing state. 1 : Reports ringback, busy, and fast busy states. + uint32_t caller_id : 1; ///< 0 : Does not report caller ID. 1 : Reports caller ID information. + uint32_t incoming_distinctive : 1; ///< 0 : Reports only incoming ringing. 1 : Reports incoming distinctive ringing patterns. + uint32_t dual_tone_multi_freq : 1; ///< 0 : Cannot report dual tone multi-frequency (DTMF) digits input remotely over the telephone line. 1 : Can report DTMF digits input remotely over the telephone line. + uint32_t line_state_change : 1; ///< 0 : Does not support line state change notification. 1 : Does support line state change notification + uint32_t TU_RESERVED : 26; + } bmCapabilities; +}cdc_desc_func_telephone_call_state_reporting_capabilities_t; + +// TODO remove +static inline uint8_t cdc_functional_desc_typeof(uint8_t const * p_desc) +{ + return p_desc[2]; +} + +//--------------------------------------------------------------------+ +// Requests +//--------------------------------------------------------------------+ +typedef struct TU_ATTR_PACKED +{ + uint32_t bit_rate; + uint8_t stop_bits; ///< 0: 1 stop bit - 1: 1.5 stop bits - 2: 2 stop bits + uint8_t parity; ///< 0: None - 1: Odd - 2: Even - 3: Mark - 4: Space + uint8_t data_bits; ///< can be 5, 6, 7, 8 or 16 +} cdc_line_coding_t; + +TU_VERIFY_STATIC(sizeof(cdc_line_coding_t) == 7, "size is not correct"); + +typedef struct TU_ATTR_PACKED +{ + uint16_t dte_is_present : 1; ///< Indicates to DCE if DTE is presentor not. This signal corresponds to V.24 signal 108/2 and RS-232 signal DTR. + uint16_t half_duplex_carrier_control : 1; + uint16_t : 14; +} cdc_line_control_state_t; + +TU_VERIFY_STATIC(sizeof(cdc_line_control_state_t) == 2, "size is not correct"); + +TU_ATTR_PACKED_END // End of all packed definitions +TU_ATTR_BIT_FIELD_ORDER_END + +#ifdef __cplusplus + } +#endif + +#endif + +/** @} */ |