brlapi_protocol.h(3)

NAME
brlapi_protocol.h - types and constants for BrlAPI's protocol

SYNOPSIS

#include 'brlapi.h'
#include <inttypes.h>
#include <unistd.h>
#include <pthread.h>

  Data Structures
struct brlapi_header_t
struct brlapi_versionPacket_t
struct brlapi_authClientPacket_t
struct brlapi_authServerPacket_t
struct brlapi_errorPacket_t
struct brlapi_getDriverSpecificModePacket_t
struct brlapi_writeArgumentsPacket_t
union brlapi_packet_t

  Macros
#define UINT32_MAX (4294967295U)
#define BRLAPI_PROTOCOL_VERSION ((uint32_t) 8) /** Communication protocol version */
#define BRLAPI_MAXPACKETSIZE 512
#define BRLAPI_PACKET_VERSION 'v'
#define BRLAPI_PACKET_AUTH 'a'
#define BRLAPI_PACKET_GETDRIVERNAME 'n'
#define BRLAPI_PACKET_GETDISPLAYSIZE 's'
#define BRLAPI_PACKET_ENTERTTYMODE 't'
#define BRLAPI_PACKET_SETFOCUS 'F'
#define BRLAPI_PACKET_LEAVETTYMODE 'L'
#define BRLAPI_PACKET_KEY 'k'
#define BRLAPI_PACKET_IGNOREKEYRANGES 'm'
#define BRLAPI_PACKET_ACCEPTKEYRANGES 'u'
#define BRLAPI_PACKET_WRITE 'w'
#define BRLAPI_PACKET_ENTERRAWMODE '*'
#define BRLAPI_PACKET_LEAVERAWMODE '#'
#define BRLAPI_PACKET_PACKET 'p'
#define BRLAPI_PACKET_ACK 'A'
#define BRLAPI_PACKET_ERROR 'e'
#define BRLAPI_PACKET_EXCEPTION 'E'
#define BRLAPI_PACKET_SUSPENDDRIVER 'S'
#define BRLAPI_PACKET_RESUMEDRIVER 'R'
#define BRLAPI_DEVICE_MAGIC (0xdeadbeefL)
#define BRLAPI_HEADERSIZE sizeof(brlapi_header_t)
#define BRLAPI_AUTH_NONE 'N'
#define BRLAPI_AUTH_KEY 'K'
#define BRLAPI_AUTH_CRED 'C'
#define BRLAPI_WF_DISPLAYNUMBER 0X01
#define BRLAPI_WF_REGION 0X02
#define BRLAPI_WF_TEXT 0X04
#define BRLAPI_WF_ATTR_AND 0X08
#define BRLAPI_WF_ATTR_OR 0X10
#define BRLAPI_WF_CURSOR 0X20
#define BRLAPI_WF_CHARSET 0X40

  Functions
ssize_t brlapi_writePacket (brlapi_fileDescriptor fd, brlapi_packetType_t type, const void *buf, size_t size)
ssize_t brlapi_readPacketHeader (brlapi_fileDescriptor fd, brlapi_packetType_t *packetType)
ssize_t brlapi_readPacketContent (brlapi_fileDescriptor fd, size_t packetSize, void *buf, size_t bufSize)
ssize_t brlapi_readPacket (brlapi_fileDescriptor fd, brlapi_packetType_t *type, void *buf, size_t size)

  Variables
pthread_mutex_t brlapi_fd_mutex

Macro Definition Documentation

  #define UINT32_MAX (4294967295U)

Author

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