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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, 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.
*/
/** \file
*
* Header file for VirtualSerial.c.
*/
#ifndef _VIRTUALSERIAL_H_
#define _VIRTUALSERIAL_H_
/* Includes: */
#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/power.h>
#include <avr/interrupt.h>
#include <string.h>
#include "Descriptors.h"
#include <LUFA/Version.h>
#include <LUFA/Drivers/USB/USB.h>
#include <LUFA/Drivers/Board/Joystick.h>
#include <LUFA/Drivers/Board/LEDs.h>
/* Macros: */
/** CDC Class specific request to get the current virtual serial port configuration settings. */
#define REQ_GetLineEncoding 0x21
/** CDC Class specific request to set the current virtual serial port configuration settings. */
#define REQ_SetLineEncoding 0x20
/** CDC Class specific request to set the current virtual serial port handshake line states. */
#define REQ_SetControlLineState 0x22
/** Notification type constant for a change in the virtual serial port handshake line states, for
* use with a USB_Notification_Header_t notification structure when sent to the host via the CDC
* notification endpoint.
*/
#define NOTIF_SerialState 0x20
/** Mask for the DTR handshake line for use with the REQ_SetControlLineState class specific request
* from the host, to indicate that the DTR line state should be high.
*/
#define CONTROL_LINE_OUT_DTR (1 << 0)
/** Mask for the RTS handshake line for use with the REQ_SetControlLineState class specific request
* from the host, to indicate that theRTS line state should be high.
*/
#define CONTROL_LINE_OUT_RTS (1 << 1)
/** Mask for the DCD handshake line for use with the a NOTIF_SerialState class specific notification
* from the device to the host, to indicate that the DCD line state is currently high.
*/
#define CONTROL_LINE_IN_DCD (1 << 0)
/** Mask for the DSR handshake line for use with the a NOTIF_SerialState class specific notification
* from the device to the host, to indicate that the DSR line state is currently high.
*/
#define CONTROL_LINE_IN_DSR (1 << 1)
/** Mask for the BREAK handshake line for use with the a NOTIF_SerialState class specific notification
* from the device to the host, to indicate that the BREAK line state is currently high.
*/
#define CONTROL_LINE_IN_BREAK (1 << 2)
/** Mask for the RING handshake line for use with the a NOTIF_SerialState class specific notification
* from the device to the host, to indicate that the RING line state is currently high.
*/
#define CONTROL_LINE_IN_RING (1 << 3)
/** Mask for use with the a NOTIF_SerialState class specific notification from the device to the host,
* to indicate that a framing error has occurred on the virtual serial port.
*/
#define CONTROL_LINE_IN_FRAMEERROR (1 << 4)
/** Mask for use with the a NOTIF_SerialState class specific notification from the device to the host,
* to indicate that a parity error has occurred on the virtual serial port.
*/
#define CONTROL_LINE_IN_PARITYERROR (1 << 5)
/** Mask for use with the a NOTIF_SerialState class specific notification from the device to the host,
* to indicate that a data overrun error has occurred on the virtual serial port.
*/
#define CONTROL_LINE_IN_OVERRUNERROR (1 << 6)
/** LED mask for the library LED driver, to indicate that the USB interface is not ready. */
#define LEDMASK_USB_NOTREADY LEDS_LED1
/** LED mask for the library LED driver, to indicate that the USB interface is enumerating. */
#define LEDMASK_USB_ENUMERATING (LEDS_LED2 | LEDS_LED3)
/** LED mask for the library LED driver, to indicate that the USB interface is ready. */
#define LEDMASK_USB_READY (LEDS_LED2 | LEDS_LED4)
/** LED mask for the library LED driver, to indicate that an error has occurred in the USB interface. */
#define LEDMASK_USB_ERROR (LEDS_LED1 | LEDS_LED3)
/* Type Defines: */
/** Type define for the virtual serial port line encoding settings, for storing the current USART configuration
* as set by the host via a class specific request.
*/
typedef struct
{
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 */
} CDC_Line_Coding_t;
/** Type define for a CDC notification, sent to the host via the CDC notification endpoint to indicate a
* change in the device state asynchronously.
*/
typedef struct
{
uint8_t NotificationType; /**< Notification type, a mask of REQDIR_*, REQTYPE_* and REQREC_* constants
* from the library StdRequestType.h header
*/
uint8_t Notification; /**< Notification value, a NOTIF_* constant */
uint16_t wValue; /**< Notification wValue, notification-specific */
uint16_t wIndex; /**< Notification wIndex, notification-specific */
uint16_t wLength; /**< Notification wLength, notification-specific */
} USB_Notification_Header_t;
/* Enums: */
/** Enum for the possible line encoding formats of a virtual serial port. */
enum CDCDevice_CDC_LineCodingFormats_t
{
OneStopBit = 0, /**< Each frame contains one stop bit */
OneAndAHalfStopBits = 1, /**< Each frame contains one and a half stop bits */
TwoStopBits = 2, /**< Each frame contains two stop bits */
};
/** Enum for the possible line encoding parity settings of a virtual serial port. */
enum CDCDevice_LineCodingParity_t
{
Parity_None = 0, /**< No parity bit mode on each frame */
Parity_Odd = 1, /**< Odd parity bit mode on each frame */
Parity_Even = 2, /**< Even parity bit mode on each frame */
Parity_Mark = 3, /**< Mark parity bit mode on each frame */
Parity_Space = 4, /**< Space parity bit mode on each frame */
};
/* Function Prototypes: */
void SetupHardware(void);
void CDC_Task(void);
void EVENT_USB_Device_Connect(void);
void EVENT_USB_Device_Disconnect(void);
void EVENT_USB_Device_ConfigurationChanged(void);
void EVENT_USB_Device_UnhandledControlRequest(void);
#endif
|
