1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/*
LUFA Library
Copyright (C) Dean Camera, 2009.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, and distribute this software
and its documentation for any purpose and without fee is hereby
granted, provided that the above copyright notice appear in all
copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \ingroup Group_USBClassCDC
* @defgroup Group_USBClassCDCHost CDC Class Host Mode Driver
*
* \section Sec_Dependencies Module Source Dependencies
* The following files must be built with any user project that uses this module:
* - LUFA/Drivers/USB/Class/Host/CDC.c
*
* \section Module Description
* Host Mode USB Class driver framework interface, for the CDC USB Class driver.
*
* @{
*/
#ifndef __CDC_CLASS_HOST_H__
#define __CDC_CLASS_HOST_H__
/* Includes: */
#include "../../USB.h"
#include "../Common/CDC.h"
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
#endif
/* Public Interface - May be used in end-application: */
/* Type Defines: */
/** Class state structure. An instance of this structure should be made within the user application,
* and passed to each of the CDC class driver functions as the CDCInterfaceInfo parameter. This
* stores each CDC interface's configuration and state information.
*/
typedef struct
{
const struct
{
uint8_t DataINPipeNumber; /**< Pipe number of the CDC interface's IN data pipe */
uint8_t DataOUTPipeNumber; /**< Pipe number of the CDC interface's OUT data pipe */
uint8_t NotificationPipeNumber; /**< Pipe number of the CDC interface's IN notification endpoint, if used */
} Config; /**< Config data for the USB class interface within the device. All elements in this section
* <b>must</b> be set or the interface will fail to enumerate and operate correctly.
*/
struct
{
uint8_t ControlInterfaceNumber; /**< Interface number of the CDC control interface within the device */
uint16_t DataINPipeSize; /**< Size in bytes of the CDC interface's IN data pipe */
uint16_t DataOUTPipeSize; /**< Size in bytes of the CDC interface's OUT data pipe */
uint16_t NotificationPipeSize; /**< Size in bytes of the CDC interface's IN notification endpoint, if used */
struct
{
uint8_t HostToDevice; /**< Control line states from the host to device, as a set of CDC_CONTROL_LINE_OUT_*
* masks.
*/
uint8_t DeviceToHost; /**< Control line states from the device to host, as a set of CDC_CONTROL_LINE_IN_*
* masks.
*/
} ControlLineStates;
struct
{
bool Active; /**< Indicates if the interface is currently active, i.e. attached to the connected device */
uint32_t BaudRateBPS; /**< Baud rate of the virtual serial port, in bits per second */
uint8_t CharFormat; /**< Character format of the virtual serial port, a value from the
* CDCDevice_CDC_LineCodingFormats_t enum
*/
uint8_t ParityType; /**< Parity setting of the virtual serial port, a value from the
* CDCDevice_LineCodingParity_t enum
*/
uint8_t DataBits; /**< Bits of data per character of the virtual serial port */
} LineEncoding;
} State; /**< State data for the USB class interface within the device. All elements in this section
* <b>may</b> be set to initial values, but may also be ignored to default to sane values when
* the interface is enumerated.
*/
} USB_ClassInfo_CDC_Host_t;
/* Enums: */
typedef enum
{
CDC_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully */
CDC_ENUMERROR_ControlError = 1, /**< A control request to the device failed to complete successfully */
CDC_ENUMERROR_DescriptorTooLarge = 2, /**< The device's Configuration Descriptor is too large to process */
CDC_ENUMERROR_InvalidConfigDataReturned = 3, /**< The device returned an invalid Configuration Descriptor */
CDC_ENUMERROR_NoCDCInterfaceFound = 4, /**< A compatible CDC interface was not found in the device's Configuration Descriptor */
CDC_ENUMERROR_NoEndpointFound = 5, /**< Compatible CDC endpoints were not found in the device's CDC interface */
} CDCHost_EnumerationFailure_ErrorCodes_t;
/* Function Prototypes: */
void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo);
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Macros: */
#define CDC_CONTROL_CLASS 0x02
#define CDC_CONTROL_SUBCLASS 0x02
#define CDC_CONTROL_PROTOCOL 0x01
#define CDC_DATA_CLASS 0x0A
#define CDC_DATA_SUBCLASS 0x00
#define CDC_DATA_PROTOCOL 0x00
#define CDC_FOUND_DATAPIPE_IN (1 << 0)
#define CDC_FOUND_DATAPIPE_OUT (1 << 1)
#define CDC_FOUND_DATAPIPE_NOTIFICATION (1 << 2)
/* Function Prototypes: */
#if defined(INCLUDE_FROM_CDC_CLASS_HOST_C)
static uint8_t CDC_Host_ProcessConfigDescriptor(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo);
static uint8_t DComp_CDC_Host_NextCDCControlInterface(void* CurrentDescriptor);
static uint8_t DComp_CDC_Host_NextCDCDataInterface(void* CurrentDescriptor);
static uint8_t DComp_CDC_Host_NextInterfaceCDCDataEndpoint(void* CurrentDescriptor);
#endif
void EVENT_CDC_Host_ControLineStateChanged(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo);
uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo);
uint8_t CDC_Host_SendControlLineStateChange(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo);
void CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, char* Data, uint16_t Length);
void CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint8_t Data);
uint16_t CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo);
uint8_t CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo);
#endif
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
#endif
/** @} */
|
