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/**
******************************************************************************
* @file usbh_cdc.h
* @author MCD Application Team
* @brief This file contains all the prototypes for the usbh_cdc.c
******************************************************************************
* @attention
*
* Copyright (c) 2015 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Define to prevent recursive ----------------------------------------------*/
#ifndef __USBH_CDC_H
#define __USBH_CDC_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "usbh_core.h"
/** @addtogroup USBH_LIB
* @{
*/
/** @addtogroup USBH_CLASS
* @{
*/
/** @addtogroup USBH_CDC_CLASS
* @{
*/
/** @defgroup USBH_CDC_CORE
* @brief This file is the Header file for usbh_core.c
* @{
*/
/*Communication Class codes*/
#define USB_CDC_CLASS 0x02U
#define COMMUNICATION_INTERFACE_CLASS_CODE 0x02U
/*Data Interface Class Codes*/
#define DATA_INTERFACE_CLASS_CODE 0x0AU
/*Communication sub class codes*/
#define RESERVED 0x00U
#define DIRECT_LINE_CONTROL_MODEL 0x01U
#define ABSTRACT_CONTROL_MODEL 0x02U
#define TELEPHONE_CONTROL_MODEL 0x03U
#define MULTICHANNEL_CONTROL_MODEL 0x04U
#define CAPI_CONTROL_MODEL 0x05U
#define ETHERNET_NETWORKING_CONTROL_MODEL 0x06U
#define ATM_NETWORKING_CONTROL_MODEL 0x07U
/*Communication Interface Class Control Protocol Codes*/
#define NO_CLASS_SPECIFIC_PROTOCOL_CODE 0x00U
#define COMMON_AT_COMMAND 0x01U
#define VENDOR_SPECIFIC 0xFFU
#define CS_INTERFACE 0x24U
#define CDC_PAGE_SIZE_64 0x40U
/*Class-Specific Request Codes*/
#define CDC_SEND_ENCAPSULATED_COMMAND 0x00U
#define CDC_GET_ENCAPSULATED_RESPONSE 0x01U
#define CDC_SET_COMM_FEATURE 0x02U
#define CDC_GET_COMM_FEATURE 0x03U
#define CDC_CLEAR_COMM_FEATURE 0x04U
#define CDC_SET_AUX_LINE_STATE 0x10U
#define CDC_SET_HOOK_STATE 0x11U
#define CDC_PULSE_SETUP 0x12U
#define CDC_SEND_PULSE 0x13U
#define CDC_SET_PULSE_TIME 0x14U
#define CDC_RING_AUX_JACK 0x15U
#define CDC_SET_LINE_CODING 0x20U
#define CDC_GET_LINE_CODING 0x21U
#define CDC_SET_CONTROL_LINE_STATE 0x22U
#define CDC_SEND_BREAK 0x23U
#define CDC_SET_RINGER_PARMS 0x30U
#define CDC_GET_RINGER_PARMS 0x31U
#define CDC_SET_OPERATION_PARMS 0x32U
#define CDC_GET_OPERATION_PARMS 0x33U
#define CDC_SET_LINE_PARMS 0x34U
#define CDC_GET_LINE_PARMS 0x35U
#define CDC_DIAL_DIGITS 0x36U
#define CDC_SET_UNIT_PARAMETER 0x37U
#define CDC_GET_UNIT_PARAMETER 0x38U
#define CDC_CLEAR_UNIT_PARAMETER 0x39U
#define CDC_GET_PROFILE 0x3AU
#define CDC_SET_ETHERNET_MULTICAST_FILTERS 0x40U
#define CDC_SET_ETHERNET_POWER_MANAGEMENT_PATTERN FILTER 0x41U
#define CDC_GET_ETHERNET_POWER_MANAGEMENT_PATTERN FILTER 0x42U
#define CDC_SET_ETHERNET_PACKET_FILTER 0x43U
#define CDC_GET_ETHERNET_STATISTIC 0x44U
#define CDC_SET_ATM_DATA_FORMAT 0x50U
#define CDC_GET_ATM_DEVICE_STATISTICS 0x51U
#define CDC_SET_ATM_DEFAULT_VC 0x52U
#define CDC_GET_ATM_VC_STATISTICS 0x53U
/* wValue for SetControlLineState*/
#define CDC_ACTIVATE_CARRIER_SIGNAL_RTS 0x0002U
#define CDC_DEACTIVATE_CARRIER_SIGNAL_RTS 0x0000U
#define CDC_ACTIVATE_SIGNAL_DTR 0x0001U
#define CDC_DEACTIVATE_SIGNAL_DTR 0x0000U
#define LINE_CODING_STRUCTURE_SIZE 0x07U
/**
* @}
*/
/** @defgroup USBH_CDC_CORE_Exported_Types
* @{
*/
/* States for CDC State Machine */
typedef enum
{
CDC_IDLE = 0U,
CDC_SEND_DATA,
CDC_SEND_DATA_WAIT,
CDC_RECEIVE_DATA,
CDC_RECEIVE_DATA_WAIT,
}
CDC_DataStateTypeDef;
typedef enum
{
CDC_IDLE_STATE = 0U,
CDC_SET_LINE_CODING_STATE,
CDC_GET_LAST_LINE_CODING_STATE,
CDC_TRANSFER_DATA,
CDC_ERROR_STATE,
}
CDC_StateTypeDef;
/*Line coding structure*/
typedef union _CDC_LineCodingStructure
{
uint8_t Array[LINE_CODING_STRUCTURE_SIZE];
struct
{
uint32_t dwDTERate; /*Data terminal rate, in bits per second*/
uint8_t bCharFormat; /*Stop bits
0 - 1 Stop bit
1 - 1.5 Stop bits
2 - 2 Stop bits*/
uint8_t bParityType; /* Parity
0 - None
1 - Odd
2 - Even
3 - Mark
4 - Space*/
uint8_t bDataBits; /* Data bits (5, 6, 7, 8 or 16). */
} b;
}
CDC_LineCodingTypeDef;
/* Header Functional Descriptor
--------------------------------------------------------------------------------
Offset| field | Size | Value | Description
------|---------------------|-------|------------|------------------------------
0 | bFunctionLength | 1 | number | Size of this descriptor.
1 | bDescriptorType | 1 | Constant | CS_INTERFACE (0x24)
2 | bDescriptorSubtype | 1 | Constant | Identifier (ID) of functional
| | | | descriptor.
3 | bcdCDC | 2 | |
| | | Number | USB Class Definitions for
| | | | Communication Devices Specification
| | | | release number in binary-coded
| | | | decimal
------|---------------------|-------|------------|------------------------------
*/
typedef struct _FunctionalDescriptorHeader
{
uint8_t bLength; /*Size of this descriptor.*/
uint8_t bDescriptorType; /*CS_INTERFACE (0x24)*/
uint8_t bDescriptorSubType; /* Header functional descriptor subtype as*/
uint16_t bcdCDC; /* USB Class Definitions for Communication
Devices Specification release number in
binary-coded decimal. */
}
CDC_HeaderFuncDesc_TypeDef;
/* Call Management Functional Descriptor
--------------------------------------------------------------------------------
Offset| field | Size | Value | Description
------|---------------------|-------|------------|------------------------------
0 | bFunctionLength | 1 | number | Size of this descriptor.
1 | bDescriptorType | 1 | Constant | CS_INTERFACE (0x24)
2 | bDescriptorSubtype | 1 | Constant | Call Management functional
| | | | descriptor subtype.
3 | bmCapabilities | 1 | Bitmap | The capabilities that this configuration
| | | | supports:
| | | | D7..D2: RESERVED (Reset to zero)
| | | | D1: 0 - Device sends/receives call
| | | | management information only over
| | | | the Communication Class
| | | | interface.
| | | | 1 - Device can send/receive call
| \ | | management information over a
| | | | Data Class interface.
| | | | D0: 0 - Device does not handle call
| | | | management itself.
| | | | 1 - Device handles call
| | | | management itself.
| | | | The previous bits, in combination, identify
| | | | which call management scenario is used. If bit
| | | | D0 is reset to 0, then the value of bit D1 is
| | | | ignored. In this case, bit D1 is reset to zero for
| | | | future compatibility.
4 | bDataInterface | 1 | Number | Interface number of Data Class interface
| | | | optionally used for call management.
------|---------------------|-------|------------|------------------------------
*/
typedef struct _CallMgmtFunctionalDescriptor
{
uint8_t bLength; /*Size of this functional descriptor, in bytes.*/
uint8_t bDescriptorType; /*CS_INTERFACE (0x24)*/
uint8_t bDescriptorSubType; /* Call Management functional descriptor subtype*/
uint8_t bmCapabilities; /* bmCapabilities: D0+D1 */
uint8_t bDataInterface; /*bDataInterface: 1*/
}
CDC_CallMgmtFuncDesc_TypeDef;
/* Abstract Control Management Functional Descriptor
--------------------------------------------------------------------------------
Offset| field | Size | Value | Description
------|---------------------|-------|------------|------------------------------
0 | bFunctionLength | 1 | number | Size of functional descriptor, in bytes.
1 | bDescriptorType | 1 | Constant | CS_INTERFACE (0x24)
2 | bDescriptorSubtype | 1 | Constant | Abstract Control Management
| | | | functional descriptor subtype.
3 | bmCapabilities | 1 | Bitmap | The capabilities that this configuration
| | | | supports ((A bit value of zero means that the
| | | | request is not supported.) )
D7..D4: RESERVED (Reset to zero)
| | | | D3: 1 - Device supports the notification
| | | | Network_Connection.
| | | | D2: 1 - Device supports the request
| | | | Send_Break
| | | | D1: 1 - Device supports the request
| \ | | combination of Set_Line_Coding,
| | | | Set_Control_Line_State, Get_Line_Coding, and the
notification Serial_State.
| | | | D0: 1 - Device supports the request
| | | | combination of Set_Comm_Feature,
| | | | Clear_Comm_Feature, and Get_Comm_Feature.
| | | | The previous bits, in combination, identify
| | | | which requests/notifications are supported by
| | | | a Communication Class interface with the
| | | | SubClass code of Abstract Control Model.
------|---------------------|-------|------------|------------------------------
*/
typedef struct _AbstractCntrlMgmtFunctionalDescriptor
{
uint8_t bLength; /*Size of this functional descriptor, in bytes.*/
uint8_t bDescriptorType; /*CS_INTERFACE (0x24)*/
uint8_t bDescriptorSubType; /* Abstract Control Management functional
descriptor subtype*/
uint8_t bmCapabilities; /* The capabilities that this configuration supports */
}
CDC_AbstCntrlMgmtFuncDesc_TypeDef;
/* Union Functional Descriptor
--------------------------------------------------------------------------------
Offset| field | Size | Value | Description
------|---------------------|-------|------------|------------------------------
0 | bFunctionLength | 1 | number | Size of this descriptor.
1 | bDescriptorType | 1 | Constant | CS_INTERFACE (0x24)
2 | bDescriptorSubtype | 1 | Constant | Union functional
| | | | descriptor subtype.
3 | bMasterInterface | 1 | Constant | The interface number of the
| | | | Communication or Data Class interface
4 | bSlaveInterface0 | 1 | Number | nterface number of first slave or associated
| | | | interface in the union.
------|---------------------|-------|------------|------------------------------
*/
typedef struct _UnionFunctionalDescriptor
{
uint8_t bLength; /*Size of this functional descriptor, in bytes*/
uint8_t bDescriptorType; /*CS_INTERFACE (0x24)*/
uint8_t bDescriptorSubType; /* Union functional descriptor SubType*/
uint8_t bMasterInterface; /* The interface number of the Communication or
Data Class interface,*/
uint8_t bSlaveInterface0; /*Interface number of first slave*/
}
CDC_UnionFuncDesc_TypeDef;
typedef struct _USBH_CDCInterfaceDesc
{
CDC_HeaderFuncDesc_TypeDef CDC_HeaderFuncDesc;
CDC_CallMgmtFuncDesc_TypeDef CDC_CallMgmtFuncDesc;
CDC_AbstCntrlMgmtFuncDesc_TypeDef CDC_AbstCntrlMgmtFuncDesc;
CDC_UnionFuncDesc_TypeDef CDC_UnionFuncDesc;
}
CDC_InterfaceDesc_Typedef;
/* Structure for CDC process */
typedef struct
{
uint8_t NotifPipe;
uint8_t NotifEp;
uint8_t buff[8];
uint16_t NotifEpSize;
}
CDC_CommItfTypedef;
typedef struct
{
uint8_t InPipe;
uint8_t OutPipe;
uint8_t OutEp;
uint8_t InEp;
uint8_t buff[8];
uint16_t OutEpSize;
uint16_t InEpSize;
}
CDC_DataItfTypedef;
/* Structure for CDC process */
typedef struct _CDC_Process
{
CDC_CommItfTypedef CommItf;
CDC_DataItfTypedef DataItf;
uint8_t *pTxData;
uint8_t *pRxData;
uint32_t TxDataLength;
uint32_t RxDataLength;
CDC_InterfaceDesc_Typedef CDC_Desc;
CDC_LineCodingTypeDef LineCoding;
CDC_LineCodingTypeDef *pUserLineCoding;
CDC_StateTypeDef state;
CDC_DataStateTypeDef data_tx_state;
CDC_DataStateTypeDef data_rx_state;
uint8_t Rx_Poll;
}
CDC_HandleTypeDef;
/**
* @}
*/
/** @defgroup USBH_CDC_CORE_Exported_Defines
* @{
*/
/**
* @}
*/
/** @defgroup USBH_CDC_CORE_Exported_Macros
* @{
*/
/**
* @}
*/
/** @defgroup USBH_CDC_CORE_Exported_Variables
* @{
*/
extern USBH_ClassTypeDef CDC_Class;
#define USBH_CDC_CLASS &CDC_Class
/**
* @}
*/
/** @defgroup USBH_CDC_CORE_Exported_FunctionsPrototype
* @{
*/
USBH_StatusTypeDef USBH_CDC_SetLineCoding(USBH_HandleTypeDef *phost,
CDC_LineCodingTypeDef *linecoding);
USBH_StatusTypeDef USBH_CDC_GetLineCoding(USBH_HandleTypeDef *phost,
CDC_LineCodingTypeDef *linecoding);
USBH_StatusTypeDef USBH_CDC_Transmit(USBH_HandleTypeDef *phost,
uint8_t *pbuff,
uint32_t length);
USBH_StatusTypeDef USBH_CDC_Receive(USBH_HandleTypeDef *phost,
uint8_t *pbuff,
uint32_t length);
uint16_t USBH_CDC_GetLastReceivedDataSize(USBH_HandleTypeDef *phost);
USBH_StatusTypeDef USBH_CDC_Stop(USBH_HandleTypeDef *phost);
void USBH_CDC_LineCodingChanged(USBH_HandleTypeDef *phost);
void USBH_CDC_TransmitCallback(USBH_HandleTypeDef *phost);
void USBH_CDC_ReceiveCallback(USBH_HandleTypeDef *phost);
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __USBH_CDC_H */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
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