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1byOqp-0005FF-KS; Sun, 23 Oct 2016 21:54:35 +0200 From: Samuel Thibault To: qemu-devel@nongnu.org Date: Sun, 23 Oct 2016 21:54:31 +0200 Message-Id: <20161023195433.20102-2-samuel.thibault@ens-lyon.org> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20161023195433.20102-1-samuel.thibault@ens-lyon.org> References: <20161023195433.20102-1-samuel.thibault@ens-lyon.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2a01:474::1 Subject: [Qemu-devel] [PATCH 1/3] Add dots keypresses support to the baum braille device X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Samuel Thibault , Gerd Hoffmann Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Samuel Thibault --- backends/baum.c | 234 +++++++++++++++++++++++++++++++------------------------- 1 file changed, 130 insertions(+), 104 deletions(-) diff --git a/backends/baum.c b/backends/baum.c index c537141..9f9f7c0 100644 --- a/backends/baum.c +++ b/backends/baum.c @@ -1,7 +1,7 @@ /* * QEMU Baum Braille Device * - * Copyright (c) 2008, 2016 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)) {