Newer
Older
/*
* BRLTTY - A background process providing access to the console screen (when in
* text mode) for a blind person using a refreshable braille display.
*
* Copyright (C) 1995-2018 by The BRLTTY Developers.
*
* BRLTTY comes with ABSOLUTELY NO WARRANTY.
*
* This is free software, placed under the terms of the
* GNU Lesser General Public License, as published by the Free Software
* Foundation; either version 2.1 of the License, or (at your option) any
* later version. Please see the file LICENSE-LGPL for details.
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
*
* This software is maintained by Dave Mielke <dave@mielke.cc>.
*/
#ifndef BRLTTY_INCLUDED_GIO_INTERNAL
#define BRLTTY_INCLUDED_GIO_INTERNAL
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
typedef struct GioHandleStruct GioHandle;
typedef struct {
void *address;
size_t size;
} GioHidReportItemsData;
typedef int GioDisconnectResourceMethod (GioHandle *handle);
typedef char *GioGetResourceNameMethod (GioHandle *handle, int timeout);
typedef ssize_t GioWriteDataMethod (GioHandle *handle, const void *data, size_t size, int timeout);
typedef int GioAwaitInputMethod (GioHandle *handle, int timeout);
typedef ssize_t GioReadDataMethod (
GioHandle *handle, void *buffer, size_t size,
int initialTimeout, int subsequentTimeout
);
typedef int GioReconfigureResourceMethod (GioHandle *handle, const SerialParameters *parameters);
typedef ssize_t GioTellResourceMethod (
GioHandle *handle, uint8_t recipient, uint8_t type,
uint8_t request, uint16_t value, uint16_t index,
const void *data, uint16_t size, int timeout
);
typedef ssize_t GioAskResourceMethod (
GioHandle *handle, uint8_t recipient, uint8_t type,
uint8_t request, uint16_t value, uint16_t index,
void *buffer, uint16_t size, int timeout
);
typedef int GioGetHidReportItemsMethod (GioHandle *handle, GioHidReportItemsData *items, int timeout);
typedef size_t GioGetHidReportSizeMethod (const GioHidReportItemsData *items, unsigned char report);
typedef ssize_t GioSetHidReportMethod (
GioHandle *handle, unsigned char report,
const void *data, uint16_t size, int timeout
);
typedef ssize_t GioGetHidReportMethod (
GioHandle *handle, unsigned char report,
void *buffer, uint16_t size, int timeout
);
typedef ssize_t GioSetHidFeatureMethod (
GioHandle *handle, unsigned char report,
const void *data, uint16_t size, int timeout
);
typedef ssize_t GioGetHidFeatureMethod (
GioHandle *handle, unsigned char report,
void *buffer, uint16_t size, int timeout
);
typedef int GioMonitorInputMethod (GioHandle *handle, AsyncMonitorCallback *callback, void *data);
typedef void *GioGetResourceObjectMethod (GioHandle *handle);
typedef struct {
GioDisconnectResourceMethod *disconnectResource;
GioGetResourceNameMethod *getResourceName;
GioWriteDataMethod *writeData;
GioAwaitInputMethod *awaitInput;
GioReadDataMethod *readData;
GioReconfigureResourceMethod *reconfigureResource;
GioTellResourceMethod *tellResource;
GioAskResourceMethod *askResource;
GioGetHidReportItemsMethod *getHidReportItems;
GioGetHidReportSizeMethod *getHidReportSize;
GioSetHidReportMethod *setHidReport;
GioGetHidReportMethod *getHidReport;
GioSetHidFeatureMethod *setHidFeature;
GioGetHidFeatureMethod *getHidFeature;
GioMonitorInputMethod *monitorInput;
GioGetResourceObjectMethod *getResourceObject;
} GioMethods;
struct GioEndpointStruct {
GioHandle *handle;
const GioMethods *methods;
GioOptions options;
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
unsigned int bytesPerSecond;
GioHidReportItemsData hidReportItems;
struct {
int error;
unsigned int from;
unsigned int to;
unsigned char buffer[0X40];
} input;
};
typedef int GioIsSupportedMethod (const GioDescriptor *descriptor);
typedef int GioTestIdentifierMethod (const char **identifier);
typedef const GioOptions *GioGetOptionsMethod (const GioDescriptor *descriptor);
typedef const GioMethods *GioGetMethodsMethod (void);
typedef GioHandle *GioConnectResourceMethod (
const char *identifier,
const GioDescriptor *descriptor
);
typedef int GioPrepareEndpointMethod (GioEndpoint *endpoint);
typedef struct {
GioIsSupportedMethod *isSupported;
GioTestIdentifierMethod *testIdentifier;
GioGetOptionsMethod *getOptions;
GioGetMethodsMethod *getMethods;
GioConnectResourceMethod *connectResource;
GioPrepareEndpointMethod *prepareEndpoint;
GioResourceType resourceType;
} GioClass;
extern const GioClass *const gioClasses[];
extern const GioClass gioSerialClass;
extern const GioClass gioUsbClass;
extern const GioClass gioBluetoothClass;
extern void gioSetBytesPerSecond (GioEndpoint *endpoint, const SerialParameters *parameters);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* BRLTTY_INCLUDED_GIO_INTERNAL */