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提交 0fb7c882 编写于 作者: S Samuel Thibault 提交者： Gerd Hoffmann
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Add dots keypresses support to the baum braille device 

Signed-off-by: NSamuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>
上级 db4df20d
隐藏空白更改
内联 并排
Showing with 130 addition and 104 deletion
backends/baum.c
浏览文件 @ 0fb7c882
/*
* QEMU Baum Braille Device
*
* Copyright (c) 2008 Samuel Thibault
* Copyright (c) 2008, 2010-2011, 2016 Samuel Thibault
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
......@@ -102,8 +102,11 @@ typedef struct {
} BaumDriverState;
/* Let's assume NABCC by default */
static const uint8_t nabcc_translation[256] = {
[0] = ' ',
enum way {
DOTS2ASCII,
ASCII2DOTS
};
static const uint8_t nabcc_translation[2][256] = {
#ifndef BRLAPI_DOTS
#define BRLAPI_DOTS(d1,d2,d3,d4,d5,d6,d7,d8) \
((d1?BRLAPI_DOT1:0)|\
......@@ -115,105 +118,109 @@ static const uint8_t nabcc_translation[256] = {
(d7?BRLAPI_DOT7:0)|\
(d8?BRLAPI_DOT8:0))
#endif
[BRLAPI_DOTS(1,0,0,0,0,0,0,0)] = 'a',
[BRLAPI_DOTS(1,1,0,0,0,0,0,0)] = 'b',
[BRLAPI_DOTS(1,0,0,1,0,0,0,0)] = 'c',
[BRLAPI_DOTS(1,0,0,1,1,0,0,0)] = 'd',
[BRLAPI_DOTS(1,0,0,0,1,0,0,0)] = 'e',
[BRLAPI_DOTS(1,1,0,1,0,0,0,0)] = 'f',
[BRLAPI_DOTS(1,1,0,1,1,0,0,0)] = 'g',
[BRLAPI_DOTS(1,1,0,0,1,0,0,0)] = 'h',
[BRLAPI_DOTS(0,1,0,1,0,0,0,0)] = 'i',
[BRLAPI_DOTS(0,1,0,1,1,0,0,0)] = 'j',
[BRLAPI_DOTS(1,0,1,0,0,0,0,0)] = 'k',
[BRLAPI_DOTS(1,1,1,0,0,0,0,0)] = 'l',
[BRLAPI_DOTS(1,0,1,1,0,0,0,0)] = 'm',
[BRLAPI_DOTS(1,0,1,1,1,0,0,0)] = 'n',
[BRLAPI_DOTS(1,0,1,0,1,0,0,0)] = 'o',
[BRLAPI_DOTS(1,1,1,1,0,0,0,0)] = 'p',
[BRLAPI_DOTS(1,1,1,1,1,0,0,0)] = 'q',
[BRLAPI_DOTS(1,1,1,0,1,0,0,0)] = 'r',
[BRLAPI_DOTS(0,1,1,1,0,0,0,0)] = 's',
[BRLAPI_DOTS(0,1,1,1,1,0,0,0)] = 't',
[BRLAPI_DOTS(1,0,1,0,0,1,0,0)] = 'u',
[BRLAPI_DOTS(1,1,1,0,0,1,0,0)] = 'v',
[BRLAPI_DOTS(0,1,0,1,1,1,0,0)] = 'w',
[BRLAPI_DOTS(1,0,1,1,0,1,0,0)] = 'x',
[BRLAPI_DOTS(1,0,1,1,1,1,0,0)] = 'y',
[BRLAPI_DOTS(1,0,1,0,1,1,0,0)] = 'z',
[BRLAPI_DOTS(1,0,0,0,0,0,1,0)] = 'A',
[BRLAPI_DOTS(1,1,0,0,0,0,1,0)] = 'B',
[BRLAPI_DOTS(1,0,0,1,0,0,1,0)] = 'C',
[BRLAPI_DOTS(1,0,0,1,1,0,1,0)] = 'D',
[BRLAPI_DOTS(1,0,0,0,1,0,1,0)] = 'E',
[BRLAPI_DOTS(1,1,0,1,0,0,1,0)] = 'F',
[BRLAPI_DOTS(1,1,0,1,1,0,1,0)] = 'G',
[BRLAPI_DOTS(1,1,0,0,1,0,1,0)] = 'H',
[BRLAPI_DOTS(0,1,0,1,0,0,1,0)] = 'I',
[BRLAPI_DOTS(0,1,0,1,1,0,1,0)] = 'J',
[BRLAPI_DOTS(1,0,1,0,0,0,1,0)] = 'K',
[BRLAPI_DOTS(1,1,1,0,0,0,1,0)] = 'L',
[BRLAPI_DOTS(1,0,1,1,0,0,1,0)] = 'M',
[BRLAPI_DOTS(1,0,1,1,1,0,1,0)] = 'N',
[BRLAPI_DOTS(1,0,1,0,1,0,1,0)] = 'O',
[BRLAPI_DOTS(1,1,1,1,0,0,1,0)] = 'P',
[BRLAPI_DOTS(1,1,1,1,1,0,1,0)] = 'Q',
[BRLAPI_DOTS(1,1,1,0,1,0,1,0)] = 'R',
[BRLAPI_DOTS(0,1,1,1,0,0,1,0)] = 'S',
[BRLAPI_DOTS(0,1,1,1,1,0,1,0)] = 'T',
[BRLAPI_DOTS(1,0,1,0,0,1,1,0)] = 'U',
[BRLAPI_DOTS(1,1,1,0,0,1,1,0)] = 'V',
[BRLAPI_DOTS(0,1,0,1,1,1,1,0)] = 'W',
[BRLAPI_DOTS(1,0,1,1,0,1,1,0)] = 'X',
[BRLAPI_DOTS(1,0,1,1,1,1,1,0)] = 'Y',
[BRLAPI_DOTS(1,0,1,0,1,1,1,0)] = 'Z',
[BRLAPI_DOTS(0,0,1,0,1,1,0,0)] = '0',
[BRLAPI_DOTS(0,1,0,0,0,0,0,0)] = '1',
[BRLAPI_DOTS(0,1,1,0,0,0,0,0)] = '2',
[BRLAPI_DOTS(0,1,0,0,1,0,0,0)] = '3',
[BRLAPI_DOTS(0,1,0,0,1,1,0,0)] = '4',
[BRLAPI_DOTS(0,1,0,0,0,1,0,0)] = '5',
[BRLAPI_DOTS(0,1,1,0,1,0,0,0)] = '6',
[BRLAPI_DOTS(0,1,1,0,1,1,0,0)] = '7',
[BRLAPI_DOTS(0,1,1,0,0,1,0,0)] = '8',
[BRLAPI_DOTS(0,0,1,0,1,0,0,0)] = '9',
[BRLAPI_DOTS(0,0,0,1,0,1,0,0)] = '.',
[BRLAPI_DOTS(0,0,1,1,0,1,0,0)] = '+',
[BRLAPI_DOTS(0,0,1,0,0,1,0,0)] = '-',
[BRLAPI_DOTS(1,0,0,0,0,1,0,0)] = '*',
[BRLAPI_DOTS(0,0,1,1,0,0,0,0)] = '/',
[BRLAPI_DOTS(1,1,1,0,1,1,0,0)] = '(',
[BRLAPI_DOTS(0,1,1,1,1,1,0,0)] = ')',
[BRLAPI_DOTS(1,1,1,1,0,1,0,0)] = '&',
[BRLAPI_DOTS(0,0,1,1,1,1,0,0)] = '#',
[BRLAPI_DOTS(0,0,0,0,0,1,0,0)] = ',',
[BRLAPI_DOTS(0,0,0,0,1,1,0,0)] = ';',
[BRLAPI_DOTS(1,0,0,0,1,1,0,0)] = ':',
[BRLAPI_DOTS(0,1,1,1,0,1,0,0)] = '!',
[BRLAPI_DOTS(1,0,0,1,1,1,0,0)] = '?',
[BRLAPI_DOTS(0,0,0,0,1,0,0,0)] = '"',
[BRLAPI_DOTS(0,0,1,0,0,0,0,0)] ='\'',
[BRLAPI_DOTS(0,0,0,1,0,0,0,0)] = '`',
[BRLAPI_DOTS(0,0,0,1,1,0,1,0)] = '^',
[BRLAPI_DOTS(0,0,0,1,1,0,0,0)] = '~',
[BRLAPI_DOTS(0,1,0,1,0,1,1,0)] = '[',
[BRLAPI_DOTS(1,1,0,1,1,1,1,0)] = ']',
[BRLAPI_DOTS(0,1,0,1,0,1,0,0)] = '{',
[BRLAPI_DOTS(1,1,0,1,1,1,0,0)] = '}',
[BRLAPI_DOTS(1,1,1,1,1,1,0,0)] = '=',
[BRLAPI_DOTS(1,1,0,0,0,1,0,0)] = '<',
[BRLAPI_DOTS(0,0,1,1,1,0,0,0)] = '>',
[BRLAPI_DOTS(1,1,0,1,0,1,0,0)] = '$',
[BRLAPI_DOTS(1,0,0,1,0,1,0,0)] = '%',
[BRLAPI_DOTS(0,0,0,1,0,0,1,0)] = '@',
[BRLAPI_DOTS(1,1,0,0,1,1,0,0)] = '|',
[BRLAPI_DOTS(1,1,0,0,1,1,1,0)] ='\\',
[BRLAPI_DOTS(0,0,0,1,1,1,0,0)] = '_',
#define DO(dots, ascii) \
[DOTS2ASCII][dots] = ascii, \
[ASCII2DOTS][ascii] = dots
DO(0, ' '),
DO(BRLAPI_DOTS(1, 0, 0, 0, 0, 0, 0, 0), 'a'),
DO(BRLAPI_DOTS(1, 1, 0, 0, 0, 0, 0, 0), 'b'),
DO(BRLAPI_DOTS(1, 0, 0, 1, 0, 0, 0, 0), 'c'),
DO(BRLAPI_DOTS(1, 0, 0, 1, 1, 0, 0, 0), 'd'),
DO(BRLAPI_DOTS(1, 0, 0, 0, 1, 0, 0, 0), 'e'),
DO(BRLAPI_DOTS(1, 1, 0, 1, 0, 0, 0, 0), 'f'),
DO(BRLAPI_DOTS(1, 1, 0, 1, 1, 0, 0, 0), 'g'),
DO(BRLAPI_DOTS(1, 1, 0, 0, 1, 0, 0, 0), 'h'),
DO(BRLAPI_DOTS(0, 1, 0, 1, 0, 0, 0, 0), 'i'),
DO(BRLAPI_DOTS(0, 1, 0, 1, 1, 0, 0, 0), 'j'),
DO(BRLAPI_DOTS(1, 0, 1, 0, 0, 0, 0, 0), 'k'),
DO(BRLAPI_DOTS(1, 1, 1, 0, 0, 0, 0, 0), 'l'),
DO(BRLAPI_DOTS(1, 0, 1, 1, 0, 0, 0, 0), 'm'),
DO(BRLAPI_DOTS(1, 0, 1, 1, 1, 0, 0, 0), 'n'),
DO(BRLAPI_DOTS(1, 0, 1, 0, 1, 0, 0, 0), 'o'),
DO(BRLAPI_DOTS(1, 1, 1, 1, 0, 0, 0, 0), 'p'),
DO(BRLAPI_DOTS(1, 1, 1, 1, 1, 0, 0, 0), 'q'),
DO(BRLAPI_DOTS(1, 1, 1, 0, 1, 0, 0, 0), 'r'),
DO(BRLAPI_DOTS(0, 1, 1, 1, 0, 0, 0, 0), 's'),
DO(BRLAPI_DOTS(0, 1, 1, 1, 1, 0, 0, 0), 't'),
DO(BRLAPI_DOTS(1, 0, 1, 0, 0, 1, 0, 0), 'u'),
DO(BRLAPI_DOTS(1, 1, 1, 0, 0, 1, 0, 0), 'v'),
DO(BRLAPI_DOTS(0, 1, 0, 1, 1, 1, 0, 0), 'w'),
DO(BRLAPI_DOTS(1, 0, 1, 1, 0, 1, 0, 0), 'x'),
DO(BRLAPI_DOTS(1, 0, 1, 1, 1, 1, 0, 0), 'y'),
DO(BRLAPI_DOTS(1, 0, 1, 0, 1, 1, 0, 0), 'z'),
DO(BRLAPI_DOTS(1, 0, 0, 0, 0, 0, 1, 0), 'A'),
DO(BRLAPI_DOTS(1, 1, 0, 0, 0, 0, 1, 0), 'B'),
DO(BRLAPI_DOTS(1, 0, 0, 1, 0, 0, 1, 0), 'C'),
DO(BRLAPI_DOTS(1, 0, 0, 1, 1, 0, 1, 0), 'D'),
DO(BRLAPI_DOTS(1, 0, 0, 0, 1, 0, 1, 0), 'E'),
DO(BRLAPI_DOTS(1, 1, 0, 1, 0, 0, 1, 0), 'F'),
DO(BRLAPI_DOTS(1, 1, 0, 1, 1, 0, 1, 0), 'G'),
DO(BRLAPI_DOTS(1, 1, 0, 0, 1, 0, 1, 0), 'H'),
DO(BRLAPI_DOTS(0, 1, 0, 1, 0, 0, 1, 0), 'I'),
DO(BRLAPI_DOTS(0, 1, 0, 1, 1, 0, 1, 0), 'J'),
DO(BRLAPI_DOTS(1, 0, 1, 0, 0, 0, 1, 0), 'K'),
DO(BRLAPI_DOTS(1, 1, 1, 0, 0, 0, 1, 0), 'L'),
DO(BRLAPI_DOTS(1, 0, 1, 1, 0, 0, 1, 0), 'M'),
DO(BRLAPI_DOTS(1, 0, 1, 1, 1, 0, 1, 0), 'N'),
DO(BRLAPI_DOTS(1, 0, 1, 0, 1, 0, 1, 0), 'O'),
DO(BRLAPI_DOTS(1, 1, 1, 1, 0, 0, 1, 0), 'P'),
DO(BRLAPI_DOTS(1, 1, 1, 1, 1, 0, 1, 0), 'Q'),
DO(BRLAPI_DOTS(1, 1, 1, 0, 1, 0, 1, 0), 'R'),
DO(BRLAPI_DOTS(0, 1, 1, 1, 0, 0, 1, 0), 'S'),
DO(BRLAPI_DOTS(0, 1, 1, 1, 1, 0, 1, 0), 'T'),
DO(BRLAPI_DOTS(1, 0, 1, 0, 0, 1, 1, 0), 'U'),
DO(BRLAPI_DOTS(1, 1, 1, 0, 0, 1, 1, 0), 'V'),
DO(BRLAPI_DOTS(0, 1, 0, 1, 1, 1, 1, 0), 'W'),
DO(BRLAPI_DOTS(1, 0, 1, 1, 0, 1, 1, 0), 'X'),
DO(BRLAPI_DOTS(1, 0, 1, 1, 1, 1, 1, 0), 'Y'),
DO(BRLAPI_DOTS(1, 0, 1, 0, 1, 1, 1, 0), 'Z'),
DO(BRLAPI_DOTS(0, 0, 1, 0, 1, 1, 0, 0), '0'),
DO(BRLAPI_DOTS(0, 1, 0, 0, 0, 0, 0, 0), '1'),
DO(BRLAPI_DOTS(0, 1, 1, 0, 0, 0, 0, 0), '2'),
DO(BRLAPI_DOTS(0, 1, 0, 0, 1, 0, 0, 0), '3'),
DO(BRLAPI_DOTS(0, 1, 0, 0, 1, 1, 0, 0), '4'),
DO(BRLAPI_DOTS(0, 1, 0, 0, 0, 1, 0, 0), '5'),
DO(BRLAPI_DOTS(0, 1, 1, 0, 1, 0, 0, 0), '6'),
DO(BRLAPI_DOTS(0, 1, 1, 0, 1, 1, 0, 0), '7'),
DO(BRLAPI_DOTS(0, 1, 1, 0, 0, 1, 0, 0), '8'),
DO(BRLAPI_DOTS(0, 0, 1, 0, 1, 0, 0, 0), '9'),
DO(BRLAPI_DOTS(0, 0, 0, 1, 0, 1, 0, 0), '.'),
DO(BRLAPI_DOTS(0, 0, 1, 1, 0, 1, 0, 0), '+'),
DO(BRLAPI_DOTS(0, 0, 1, 0, 0, 1, 0, 0), '-'),
DO(BRLAPI_DOTS(1, 0, 0, 0, 0, 1, 0, 0), '*'),
DO(BRLAPI_DOTS(0, 0, 1, 1, 0, 0, 0, 0), '/'),
DO(BRLAPI_DOTS(1, 1, 1, 0, 1, 1, 0, 0), '('),
DO(BRLAPI_DOTS(0, 1, 1, 1, 1, 1, 0, 0), ')'),
DO(BRLAPI_DOTS(1, 1, 1, 1, 0, 1, 0, 0), '&'),
DO(BRLAPI_DOTS(0, 0, 1, 1, 1, 1, 0, 0), '#'),
DO(BRLAPI_DOTS(0, 0, 0, 0, 0, 1, 0, 0), ','),
DO(BRLAPI_DOTS(0, 0, 0, 0, 1, 1, 0, 0), ';'),
DO(BRLAPI_DOTS(1, 0, 0, 0, 1, 1, 0, 0), ':'),
DO(BRLAPI_DOTS(0, 1, 1, 1, 0, 1, 0, 0), '!'),
DO(BRLAPI_DOTS(1, 0, 0, 1, 1, 1, 0, 0), '?'),
DO(BRLAPI_DOTS(0, 0, 0, 0, 1, 0, 0, 0), '"'),
DO(BRLAPI_DOTS(0, 0, 1, 0, 0, 0, 0, 0), '\''),
DO(BRLAPI_DOTS(0, 0, 0, 1, 0, 0, 0, 0), '`'),
DO(BRLAPI_DOTS(0, 0, 0, 1, 1, 0, 1, 0), '^'),
DO(BRLAPI_DOTS(0, 0, 0, 1, 1, 0, 0, 0), '~'),
DO(BRLAPI_DOTS(0, 1, 0, 1, 0, 1, 1, 0), '['),
DO(BRLAPI_DOTS(1, 1, 0, 1, 1, 1, 1, 0), ']'),
DO(BRLAPI_DOTS(0, 1, 0, 1, 0, 1, 0, 0), '{'),
DO(BRLAPI_DOTS(1, 1, 0, 1, 1, 1, 0, 0), '}'),
DO(BRLAPI_DOTS(1, 1, 1, 1, 1, 1, 0, 0), '='),
DO(BRLAPI_DOTS(1, 1, 0, 0, 0, 1, 0, 0), '<'),
DO(BRLAPI_DOTS(0, 0, 1, 1, 1, 0, 0, 0), '>'),
DO(BRLAPI_DOTS(1, 1, 0, 1, 0, 1, 0, 0), '$'),
DO(BRLAPI_DOTS(1, 0, 0, 1, 0, 1, 0, 0), '%'),
DO(BRLAPI_DOTS(0, 0, 0, 1, 0, 0, 1, 0), '@'),
DO(BRLAPI_DOTS(1, 1, 0, 0, 1, 1, 0, 0), '|'),
DO(BRLAPI_DOTS(1, 1, 0, 0, 1, 1, 1, 0), '\\'),
DO(BRLAPI_DOTS(0, 0, 0, 1, 1, 1, 0, 0), '_'),
};
/* The serial port can receive more of our data */
......@@ -346,8 +353,10 @@ static int baum_eat_packet(BaumDriverState *baum, const uint8_t *buf, int len)
cursor = i + 1;
c &= ~(BRLAPI_DOT7|BRLAPI_DOT8);
}
if (!(c = nabcc_translation[c]))
c = nabcc_translation[DOTS2ASCII][c];
if (!c) {
c = '?';
}
text[i] = c;
}
timer_del(baum->cellCount_timer);
......@@ -476,6 +485,13 @@ static void baum_send_key(BaumDriverState *baum, uint8_t type, uint8_t value) {
baum_write_packet(baum, packet, sizeof(packet));
}
static void baum_send_key2(BaumDriverState *baum, uint8_t type, uint8_t value,
uint8_t value2) {
uint8_t packet[] = { type, value, value2 };
DPRINTF("writing key %x %x\n", type, value);
baum_write_packet(baum, packet, sizeof(packet));
}
/* We got some data on the BrlAPI socket */
static void baum_chr_read(void *opaque)
{
......@@ -540,7 +556,17 @@ static void baum_chr_read(void *opaque)
}
break;
case BRLAPI_KEY_TYPE_SYM:
break;
{
brlapi_keyCode_t keysym = code & BRLAPI_KEY_CODE_MASK;
if (keysym < 0x100) {
uint8_t dots = nabcc_translation[ASCII2DOTS][keysym];
if (dots) {
baum_send_key2(baum, BAUM_RSP_EntryKeys, 0, dots);
baum_send_key2(baum, BAUM_RSP_EntryKeys, 0, 0);
}
}
break;
}
}
}
if (ret == -1 && (brlapi_errno != BRLAPI_ERROR_LIBCERR || errno != EINTR)) {
......
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