#include "config.h"
#include "screen.h"
#include "extern.h"
#include "braille.h"
#ifdef HAVE_BRAILLE
extern struct display *display;
struct key2rc {
int key;
int nr;
char *arg1;
char *arg2;
};
static int tsi_ctype = 1;
static int tsi_line_type;
static int display_status_tsi __P((void));
static int write_line_tsi __P((char *, int, int));
static void buttonpress_tsi __P((struct key2rc *));
static void buttonpress_navigator_40 __P((void));
static void buttonpress_powerbraille_40 __P((void));
static void buttonpress_powerbraille_80 __P((void));
int
bd_init_powerbraille_40()
{
bd.write_line_braille = write_line_tsi;
bd.buttonpress = buttonpress_powerbraille_40;
bd.bd_response_test = display_status_tsi;
bd.bd_ncells = 40;
tsi_line_type = 2;
return 0;
}
int
bd_init_powerbraille_80()
{
bd.write_line_braille = write_line_tsi;
bd.buttonpress = buttonpress_powerbraille_80;
bd.bd_response_test = display_status_tsi;
bd.bd_ncells = 80;
tsi_line_type = 3;
return 0;
}
int
bd_init_navigator_40()
{
bd.write_line_braille = write_line_tsi;
bd.buttonpress = buttonpress_navigator_40;
bd.bd_response_test = display_status_tsi;
bd.bd_ncells = 40;
tsi_line_type = 2;
return 0;
}
static int
display_status_tsi()
{
char obuf[3],ibuf[20];
int r;
obuf[0] = 0xff;
obuf[1] = 0xff;
obuf[2] = 0x0a;
r = read(bd.bd_fd, ibuf, 20);
r = write(bd.bd_fd, obuf, 3);
if (r != 3)
return -1;
sleep(1);
r = read(bd.bd_fd, ibuf, 2);
if (r == -1)
{
sleep(2);
r = read(bd.bd_fd, ibuf, 2);
}
debug2("first chars from braille display %d %d\n",ibuf[0],ibuf[1]);
if (r != 2 || ibuf[0] != 0 || ibuf[1] != 5)
return -1;
r= read(bd.bd_fd,ibuf,2);
if (r != 2)
return -1;
debug2("braille display size:%d dots:%d\n", ibuf[0], ibuf[1]);
bd.bd_ncells = (unsigned char)ibuf[0];
if (bd.bd_ncells <= 1)
return -1;
r = read(bd.bd_fd,ibuf,1);
if (r != 1)
return -1;
if (r != -1)
if (ibuf[0] == 'V')
r = read(bd.bd_fd, ibuf, 3);
else
r = read(bd.bd_fd, ibuf + 1, 2) + 1;
if (r != 3)
return -1;
ibuf[3] = 0;
debug1("braille display version %s\n", ibuf);
bd.bd_version = atof(ibuf);
return 0;
}
static int
write_line_tsi (bstr,line_length, cursor_pos)
char *bstr;
int line_length, cursor_pos;
{
int obp, i;
bd.bd_obuf[0] = 0xff;
bd.bd_obuf[1] = 0xff;
bd.bd_obuf[2] = tsi_line_type;
bd.bd_obuf[3] = 0x07;
bd.bd_obuf[4] = cursor_pos;
bd.bd_obuf[5] = tsi_ctype;
obp=6;
for (i=0; i < line_length; i++)
{
bd.bd_obuf[2*i+obp] = 0;
bd.bd_obuf[2*i+1+obp] = bd.bd_btable[(int)(unsigned char)bstr[i]];
}
for (i=line_length; i < bd.bd_ncells; i++)
{
bd.bd_obuf[2*i+obp] = 0;
bd.bd_obuf[2*i+1+obp] = bd.bd_btable[(int)' '];
}
bd.bd_obuflen = 2*bd.bd_ncells + obp ;
return 0;
}
static struct key2rc keys_navigator_40[] = {
{0x4000000, RC_STUFF, "-k", "kl"},
{0x10000000, RC_STUFF, "-k", "kr"},
{0x8000000, RC_STUFF, "-k", "ku"},
{0x20000000, RC_STUFF, "-k", "kd"},
{0x2000, RC_BD_BC_LEFT, 0, 0},
{0x8000, RC_BD_BC_RIGHT, 0, 0},
{0x4000, RC_BD_BC_UP, 0, 0},
{0x10000, RC_BD_BC_DOWN, 0, 0},
{0x6000, RC_BD_UPPER_LEFT, 0, 0},
{0xc000, RC_BD_UPPER_RIGHT, 0, 0},
{0x12000, RC_BD_LOWER_LEFT, 0, 0},
{0x18000, RC_BD_LOWER_RIGHT, 0, 0},
{0xa000, RC_BD_INFO, "1032", 0},
{0x14000000, RC_BD_INFO, "2301", 0},
{0x4008000, RC_BD_INFO, "3330", 0},
{0x8010000, RC_BD_BELL, 0, 0},
{0x8004000, RC_BD_EIGHTDOT, 0, 0},
{0x40000000, RC_STUFF, "\015", 0},
{0x20000, RC_BD_LINK, 0, 0},
{0x10002000, RC_BD_SCROLL, 0, 0},
{0x20010000, RC_BD_NCRC, "+", 0},
{0x14000, RC_BD_SKIP, 0, 0},
{-1, RC_ILLEGAL, 0, 0}
};
static struct key2rc keys_powerbraille_40[] = {
{0x4000000, RC_STUFF, "-k", "kl"},
{0x10000000, RC_STUFF, "-k", "kr"},
{0x8000000, RC_STUFF, "-k", "ku"},
{0x20000000, RC_STUFF, "-k", "kd"},
{0x2000, RC_BD_BC_LEFT, 0, 0},
{0x8000, RC_BD_BC_RIGHT, 0, 0},
{0x4000, RC_BD_BC_UP, 0, 0},
{0x10000, RC_BD_BC_DOWN, 0, 0},
{0x8002000, RC_BD_UPPER_LEFT, 0, 0},
{0xc000, RC_BD_UPPER_RIGHT, 0, 0},
{0x20002000, RC_BD_LOWER_LEFT, 0, 0},
{0x18000, RC_BD_LOWER_RIGHT, 0, 0},
{0x8008000, RC_BD_INFO, "1032", 0},
{0x6000, RC_BD_INFO, "2301", 0},
{0x8004000, RC_BD_INFO, "3330", 0},
{0x8010000, RC_BD_BELL, 0, 0},
{0x20008000, RC_BD_EIGHTDOT, 0, 0},
{0x40000000, RC_STUFF, "\015", 0},
{0x20000, RC_BD_LINK, 0, 0},
{0xa000, RC_BD_SCROLL, 0, 0},
{0x20010000, RC_BD_NCRC, "+", 0},
{0x20004000, RC_BD_SKIP, 0, 0},
{-1, RC_ILLEGAL, 0, 0}
};
static struct key2rc keys_powerbraille_80[] = {
{0x4000000, RC_STUFF, "-k", "kl"},
{0x10000000, RC_STUFF, "-k", "kr"},
{0x8000000, RC_STUFF, "-k", "ku"},
{0x20000000, RC_STUFF, "-k", "kd"},
{0x40000, RC_BD_BC_LEFT, 0, 0},
{0x100000, RC_BD_BC_RIGHT, 0, 0},
{0x4000, RC_BD_BC_UP, 0, 0},
{0x10000, RC_BD_BC_DOWN, 0, 0},
{0x44000, RC_BD_UPPER_LEFT, 0, 0},
{0x104000, RC_BD_UPPER_RIGHT, 0, 0},
{0x50000, RC_BD_LOWER_LEFT, 0, 0},
{0x110000, RC_BD_LOWER_RIGHT, 0, 0},
{0x8100000, RC_BD_INFO, "1032", 0},
{0x8040000, RC_BD_INFO, "2301", 0},
{0x140000, RC_BD_INFO, "3330", 0},
{0x8010000, RC_BD_BELL, 0, 0},
{0x8004000, RC_BD_EIGHTDOT, 0, 0},
{0x40000000, RC_STUFF, "\015", 0},
{0x20000, RC_BD_LINK, 0, 0},
{0x20004000, RC_BD_SCROLL, 0, 0},
{0x20010000, RC_BD_NCRC, "+", 0},
{0x40010000, RC_BD_SKIP, 0, 0},
{-1, RC_ILLEGAL, 0, 0}
};
static void
buttonpress_tsi(tab)
struct key2rc *tab;
{
int i, nb;
int bkeys;
unsigned char buf[10];
nb = read(bd.bd_fd, buf, 10);
debug1("buttonpress_tsi: read %d bytes\n", nb);
for (i=0, bkeys=0; i < nb; i++)
{
switch (buf[i] & 0xE0)
{
case 0x00: bkeys += ((int)(buf[i] & 0x1f) ); break;
case 0x20: bkeys += ((int)(buf[i] & 0x1f) << 5 ); break;
case 0x40: bkeys += ((int)(buf[i] & 0x1f) << 9 ); break;
case 0x60: bkeys += ((int)(buf[i] & 0x1f) << 13 ); break;
case 0xA0: bkeys += ((int)(buf[i] & 0x1f) << 18 ); break;
case 0xC0: bkeys += ((int)(buf[i] & 0x1f) << 22 ); break;
case 0xE0: bkeys += ((int)(buf[i] & 0x1f) << 26 ); break;
default: break;
}
}
debug1("bkeys %x\n", bkeys);
for (i = 0; tab[i].key != -1; i++)
if (bkeys == tab[i].key)
break;
debug1("bkey index %d\n", i);
if (tab[i].key != -1 && tab[i].nr != RC_ILLEGAL)
{
char *args[3];
int argl[2];
struct action act;
args[0] = tab[i].arg1;
args[1] = tab[i].arg2;
args[2] = 0;
argl[0] = args[0] ? strlen(args[0]) : 0;
argl[1] = args[1] ? strlen(args[1]) : 0;
act.nr = tab[i].nr;
act.args = args;
act.argl = argl;
display = bd.bd_dpy;
DoAction(&act, -2);
}
}
static void
buttonpress_navigator_40()
{
buttonpress_tsi(keys_navigator_40);
}
static void
buttonpress_powerbraille_40()
{
buttonpress_tsi(keys_powerbraille_40);
}
static void
buttonpress_powerbraille_80()
{
buttonpress_tsi(keys_powerbraille_80);
}
#endif