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00025 #ifndef BRLAPI_INCLUDED_PROTOCOL
00026 #define BRLAPI_INCLUDED_PROTOCOL
00027
00028 #ifdef __cplusplus
00029 extern "C" {
00030 #endif
00031
00032 #include "brlapi.h"
00033
00034
00035 #include <inttypes.h>
00036 #ifndef UINT32_MAX
00037 #define UINT32_MAX (4294967295U)
00038 #endif
00039
00040
00041 #include <unistd.h>
00042
00053 #define BRLAPI_PROTOCOL_VERSION ((uint32_t) 8)
00057 #define BRLAPI_MAXPACKETSIZE 512
00058
00059 #define BRLAPI_PACKET_VERSION 'v'
00060 #define BRLAPI_PACKET_AUTH 'a'
00061 #define BRLAPI_PACKET_GETDRIVERNAME 'n'
00062 #define BRLAPI_PACKET_GETDISPLAYSIZE 's'
00063 #define BRLAPI_PACKET_ENTERTTYMODE 't'
00064 #define BRLAPI_PACKET_SETFOCUS 'F'
00065 #define BRLAPI_PACKET_LEAVETTYMODE 'L'
00066 #define BRLAPI_PACKET_KEY 'k'
00067 #define BRLAPI_PACKET_IGNOREKEYRANGES 'm'
00068 #define BRLAPI_PACKET_ACCEPTKEYRANGES 'u'
00069 #define BRLAPI_PACKET_WRITE 'w'
00070 #define BRLAPI_PACKET_ENTERRAWMODE '*'
00071 #define BRLAPI_PACKET_LEAVERAWMODE '#'
00072 #define BRLAPI_PACKET_PACKET 'p'
00073 #define BRLAPI_PACKET_ACK 'A'
00074 #define BRLAPI_PACKET_ERROR 'e'
00075 #define BRLAPI_PACKET_EXCEPTION 'E'
00076 #define BRLAPI_PACKET_SUSPENDDRIVER 'S'
00077 #define BRLAPI_PACKET_RESUMEDRIVER 'R'
00080 #define BRLAPI_DEVICE_MAGIC (0xdeadbeefL)
00081
00083 typedef struct {
00084 uint32_t size;
00085 brlapi_packetType_t type;
00086 } brlapi_header_t;
00087
00089 #define BRLAPI_HEADERSIZE sizeof(brlapi_header_t)
00090
00092 typedef struct {
00093 uint32_t protocolVersion;
00094 } brlapi_versionPacket_t;
00095
00097 typedef struct {
00098 uint32_t type;
00099 unsigned char key;
00100 } brlapi_authClientPacket_t;
00101
00102 typedef struct {
00103 uint32_t type[1];
00104 } brlapi_authServerPacket_t;
00105
00106 #define BRLAPI_AUTH_NONE 'N'
00107 #define BRLAPI_AUTH_KEY 'K'
00108 #define BRLAPI_AUTH_CRED 'C'
00111 typedef struct {
00112 uint32_t code;
00113 brlapi_packetType_t type;
00114 unsigned char packet;
00115 } brlapi_errorPacket_t;
00116
00118 typedef struct {
00119 uint32_t magic;
00120 unsigned char nameLength;
00121 char name;
00122 } brlapi_getDriverSpecificModePacket_t;
00123
00125 #define BRLAPI_WF_DISPLAYNUMBER 0X01
00126 #define BRLAPI_WF_REGION 0X02
00127 #define BRLAPI_WF_TEXT 0X04
00128 #define BRLAPI_WF_ATTR_AND 0X08
00129 #define BRLAPI_WF_ATTR_OR 0X10
00130 #define BRLAPI_WF_CURSOR 0X20
00131 #define BRLAPI_WF_CHARSET 0X40
00134 typedef struct {
00135 uint32_t flags;
00136 unsigned char data;
00137 } brlapi_writeArgumentsPacket_t;
00138
00141 typedef union {
00142 unsigned char data[BRLAPI_MAXPACKETSIZE];
00143 brlapi_versionPacket_t version;
00144 brlapi_authClientPacket_t authClient;
00145 brlapi_authServerPacket_t authServer;
00146 brlapi_errorPacket_t error;
00147 brlapi_getDriverSpecificModePacket_t getDriverSpecificMode;
00148 brlapi_writeArgumentsPacket_t writeArguments;
00149 uint32_t uint32;
00150 } brlapi_packet_t;
00151
00152
00168 ssize_t brlapi_writePacket(brlapi_fileDescriptor fd, brlapi_packetType_t type, const void *buf, size_t size);
00169
00170
00187 ssize_t brlapi_readPacketHeader(brlapi_fileDescriptor fd, brlapi_packetType_t *packetType);
00188
00189
00210 ssize_t brlapi_readPacketContent(brlapi_fileDescriptor fd, size_t packetSize, void *buf, size_t bufSize);
00211
00212
00234 ssize_t brlapi_readPacket(brlapi_fileDescriptor fd, brlapi_packetType_t *type, void *buf, size_t size);
00235
00236
00263 #ifdef __MINGW32__
00264 #include <windows.h>
00265 extern HANDLE brlapi_fd_mutex;
00266 #else
00267 #include <pthread.h>
00268 extern pthread_mutex_t brlapi_fd_mutex;
00269 #endif
00270
00271
00272
00273 #ifdef __cplusplus
00274 }
00275 #endif
00276
00277 #endif