| /* |
| * QEMU Baum Braille Device |
| * |
| * Copyright (c) 2008 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 |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| */ |
| #include "qemu-common.h" |
| #include "sysemu/char.h" |
| #include "qemu/timer.h" |
| #include "hw/usb.h" |
| #include <brlapi.h> |
| #include <brlapi_constants.h> |
| #include <brlapi_keycodes.h> |
| #ifdef CONFIG_SDL |
| #include <SDL_syswm.h> |
| #endif |
| |
| #if 0 |
| #define DPRINTF(fmt, ...) \ |
| printf(fmt, ## __VA_ARGS__) |
| #else |
| #define DPRINTF(fmt, ...) |
| #endif |
| |
| #define ESC 0x1B |
| |
| #define BAUM_REQ_DisplayData 0x01 |
| #define BAUM_REQ_GetVersionNumber 0x05 |
| #define BAUM_REQ_GetKeys 0x08 |
| #define BAUM_REQ_SetMode 0x12 |
| #define BAUM_REQ_SetProtocol 0x15 |
| #define BAUM_REQ_GetDeviceIdentity 0x84 |
| #define BAUM_REQ_GetSerialNumber 0x8A |
| |
| #define BAUM_RSP_CellCount 0x01 |
| #define BAUM_RSP_VersionNumber 0x05 |
| #define BAUM_RSP_ModeSetting 0x11 |
| #define BAUM_RSP_CommunicationChannel 0x16 |
| #define BAUM_RSP_PowerdownSignal 0x17 |
| #define BAUM_RSP_HorizontalSensors 0x20 |
| #define BAUM_RSP_VerticalSensors 0x21 |
| #define BAUM_RSP_RoutingKeys 0x22 |
| #define BAUM_RSP_Switches 0x23 |
| #define BAUM_RSP_TopKeys 0x24 |
| #define BAUM_RSP_HorizontalSensor 0x25 |
| #define BAUM_RSP_VerticalSensor 0x26 |
| #define BAUM_RSP_RoutingKey 0x27 |
| #define BAUM_RSP_FrontKeys6 0x28 |
| #define BAUM_RSP_BackKeys6 0x29 |
| #define BAUM_RSP_CommandKeys 0x2B |
| #define BAUM_RSP_FrontKeys10 0x2C |
| #define BAUM_RSP_BackKeys10 0x2D |
| #define BAUM_RSP_EntryKeys 0x33 |
| #define BAUM_RSP_JoyStick 0x34 |
| #define BAUM_RSP_ErrorCode 0x40 |
| #define BAUM_RSP_InfoBlock 0x42 |
| #define BAUM_RSP_DeviceIdentity 0x84 |
| #define BAUM_RSP_SerialNumber 0x8A |
| #define BAUM_RSP_BluetoothName 0x8C |
| |
| #define BAUM_TL1 0x01 |
| #define BAUM_TL2 0x02 |
| #define BAUM_TL3 0x04 |
| #define BAUM_TR1 0x08 |
| #define BAUM_TR2 0x10 |
| #define BAUM_TR3 0x20 |
| |
| #define BUF_SIZE 256 |
| |
| typedef struct { |
| CharDriverState *chr; |
| |
| brlapi_handle_t *brlapi; |
| int brlapi_fd; |
| unsigned int x, y; |
| |
| uint8_t in_buf[BUF_SIZE]; |
| uint8_t in_buf_used; |
| uint8_t out_buf[BUF_SIZE]; |
| uint8_t out_buf_used, out_buf_ptr; |
| |
| QEMUTimer *cellCount_timer; |
| } BaumDriverState; |
| |
| /* Let's assume NABCC by default */ |
| static const uint8_t nabcc_translation[256] = { |
| [0] = ' ', |
| #ifndef BRLAPI_DOTS |
| #define BRLAPI_DOTS(d1,d2,d3,d4,d5,d6,d7,d8) \ |
| ((d1?BRLAPI_DOT1:0)|\ |
| (d2?BRLAPI_DOT2:0)|\ |
| (d3?BRLAPI_DOT3:0)|\ |
| (d4?BRLAPI_DOT4:0)|\ |
| (d5?BRLAPI_DOT5:0)|\ |
| (d6?BRLAPI_DOT6:0)|\ |
| (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)] = '_', |
| }; |
| |
| /* The serial port can receive more of our data */ |
| static void baum_accept_input(struct CharDriverState *chr) |
| { |
| BaumDriverState *baum = chr->opaque; |
| int room, first; |
| |
| if (!baum->out_buf_used) |
| return; |
| room = qemu_chr_be_can_write(chr); |
| if (!room) |
| return; |
| if (room > baum->out_buf_used) |
| room = baum->out_buf_used; |
| |
| first = BUF_SIZE - baum->out_buf_ptr; |
| if (room > first) { |
| qemu_chr_be_write(chr, baum->out_buf + baum->out_buf_ptr, first); |
| baum->out_buf_ptr = 0; |
| baum->out_buf_used -= first; |
| room -= first; |
| } |
| qemu_chr_be_write(chr, baum->out_buf + baum->out_buf_ptr, room); |
| baum->out_buf_ptr += room; |
| baum->out_buf_used -= room; |
| } |
| |
| /* We want to send a packet */ |
| static void baum_write_packet(BaumDriverState *baum, const uint8_t *buf, int len) |
| { |
| uint8_t io_buf[1 + 2 * len], *cur = io_buf; |
| int room; |
| *cur++ = ESC; |
| while (len--) |
| if ((*cur++ = *buf++) == ESC) |
| *cur++ = ESC; |
| room = qemu_chr_be_can_write(baum->chr); |
| len = cur - io_buf; |
| if (len <= room) { |
| /* Fits */ |
| qemu_chr_be_write(baum->chr, io_buf, len); |
| } else { |
| int first; |
| uint8_t out; |
| /* Can't fit all, send what can be, and store the rest. */ |
| qemu_chr_be_write(baum->chr, io_buf, room); |
| len -= room; |
| cur = io_buf + room; |
| if (len > BUF_SIZE - baum->out_buf_used) { |
| /* Can't even store it, drop the previous data... */ |
| assert(len <= BUF_SIZE); |
| baum->out_buf_used = 0; |
| baum->out_buf_ptr = 0; |
| } |
| out = baum->out_buf_ptr; |
| baum->out_buf_used += len; |
| first = BUF_SIZE - baum->out_buf_ptr; |
| if (len > first) { |
| memcpy(baum->out_buf + out, cur, first); |
| out = 0; |
| len -= first; |
| cur += first; |
| } |
| memcpy(baum->out_buf + out, cur, len); |
| } |
| } |
| |
| /* Called when the other end seems to have a wrong idea of our display size */ |
| static void baum_cellCount_timer_cb(void *opaque) |
| { |
| BaumDriverState *baum = opaque; |
| uint8_t cell_count[] = { BAUM_RSP_CellCount, baum->x * baum->y }; |
| DPRINTF("Timeout waiting for DisplayData, sending cell count\n"); |
| baum_write_packet(baum, cell_count, sizeof(cell_count)); |
| } |
| |
| /* Try to interpret a whole incoming packet */ |
| static int baum_eat_packet(BaumDriverState *baum, const uint8_t *buf, int len) |
| { |
| const uint8_t *cur = buf; |
| uint8_t req = 0; |
| |
| if (!len--) |
| return 0; |
| if (*cur++ != ESC) { |
| while (*cur != ESC) { |
| if (!len--) |
| return 0; |
| cur++; |
| } |
| DPRINTF("Dropped %d bytes!\n", cur - buf); |
| } |
| |
| #define EAT(c) do {\ |
| if (!len--) \ |
| return 0; \ |
| if ((c = *cur++) == ESC) { \ |
| if (!len--) \ |
| return 0; \ |
| if (*cur++ != ESC) { \ |
| DPRINTF("Broken packet %#2x, tossing\n", req); \ |
| if (timer_pending(baum->cellCount_timer)) { \ |
| timer_del(baum->cellCount_timer); \ |
| baum_cellCount_timer_cb(baum); \ |
| } \ |
| return (cur - 2 - buf); \ |
| } \ |
| } \ |
| } while (0) |
| |
| EAT(req); |
| switch (req) { |
| case BAUM_REQ_DisplayData: |
| { |
| uint8_t cells[baum->x * baum->y], c; |
| uint8_t text[baum->x * baum->y]; |
| uint8_t zero[baum->x * baum->y]; |
| int cursor = BRLAPI_CURSOR_OFF; |
| int i; |
| |
| /* Allow 100ms to complete the DisplayData packet */ |
| timer_mod(baum->cellCount_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + |
| get_ticks_per_sec() / 10); |
| for (i = 0; i < baum->x * baum->y ; i++) { |
| EAT(c); |
| cells[i] = c; |
| if ((c & (BRLAPI_DOT7|BRLAPI_DOT8)) |
| == (BRLAPI_DOT7|BRLAPI_DOT8)) { |
| cursor = i + 1; |
| c &= ~(BRLAPI_DOT7|BRLAPI_DOT8); |
| } |
| if (!(c = nabcc_translation[c])) |
| c = '?'; |
| text[i] = c; |
| } |
| timer_del(baum->cellCount_timer); |
| |
| memset(zero, 0, sizeof(zero)); |
| |
| brlapi_writeArguments_t wa = { |
| .displayNumber = BRLAPI_DISPLAY_DEFAULT, |
| .regionBegin = 1, |
| .regionSize = baum->x * baum->y, |
| .text = (char *)text, |
| .textSize = baum->x * baum->y, |
| .andMask = zero, |
| .orMask = cells, |
| .cursor = cursor, |
| .charset = (char *)"ISO-8859-1", |
| }; |
| |
| if (brlapi__write(baum->brlapi, &wa) == -1) |
| brlapi_perror("baum brlapi_write"); |
| break; |
| } |
| case BAUM_REQ_SetMode: |
| { |
| uint8_t mode, setting; |
| DPRINTF("SetMode\n"); |
| EAT(mode); |
| EAT(setting); |
| /* ignore */ |
| break; |
| } |
| case BAUM_REQ_SetProtocol: |
| { |
| uint8_t protocol; |
| DPRINTF("SetProtocol\n"); |
| EAT(protocol); |
| /* ignore */ |
| break; |
| } |
| case BAUM_REQ_GetDeviceIdentity: |
| { |
| uint8_t identity[17] = { BAUM_RSP_DeviceIdentity, |
| 'B','a','u','m',' ','V','a','r','i','o' }; |
| DPRINTF("GetDeviceIdentity\n"); |
| identity[11] = '0' + baum->x / 10; |
| identity[12] = '0' + baum->x % 10; |
| baum_write_packet(baum, identity, sizeof(identity)); |
| break; |
| } |
| case BAUM_REQ_GetVersionNumber: |
| { |
| uint8_t version[] = { BAUM_RSP_VersionNumber, 1 }; /* ? */ |
| DPRINTF("GetVersionNumber\n"); |
| baum_write_packet(baum, version, sizeof(version)); |
| break; |
| } |
| case BAUM_REQ_GetSerialNumber: |
| { |
| uint8_t serial[] = { BAUM_RSP_SerialNumber, |
| '0','0','0','0','0','0','0','0' }; |
| DPRINTF("GetSerialNumber\n"); |
| baum_write_packet(baum, serial, sizeof(serial)); |
| break; |
| } |
| case BAUM_REQ_GetKeys: |
| { |
| DPRINTF("Get%0#2x\n", req); |
| /* ignore */ |
| break; |
| } |
| default: |
| DPRINTF("unrecognized request %0#2x\n", req); |
| do |
| if (!len--) |
| return 0; |
| while (*cur++ != ESC); |
| cur--; |
| break; |
| } |
| return cur - buf; |
| } |
| |
| /* The other end is writing some data. Store it and try to interpret */ |
| static int baum_write(CharDriverState *chr, const uint8_t *buf, int len) |
| { |
| BaumDriverState *baum = chr->opaque; |
| int tocopy, cur, eaten, orig_len = len; |
| |
| if (!len) |
| return 0; |
| if (!baum->brlapi) |
| return len; |
| |
| while (len) { |
| /* Complete our buffer as much as possible */ |
| tocopy = len; |
| if (tocopy > BUF_SIZE - baum->in_buf_used) |
| tocopy = BUF_SIZE - baum->in_buf_used; |
| |
| memcpy(baum->in_buf + baum->in_buf_used, buf, tocopy); |
| baum->in_buf_used += tocopy; |
| buf += tocopy; |
| len -= tocopy; |
| |
| /* Interpret it as much as possible */ |
| cur = 0; |
| while (cur < baum->in_buf_used && |
| (eaten = baum_eat_packet(baum, baum->in_buf + cur, baum->in_buf_used - cur))) |
| cur += eaten; |
| |
| /* Shift the remainder */ |
| if (cur) { |
| memmove(baum->in_buf, baum->in_buf + cur, baum->in_buf_used - cur); |
| baum->in_buf_used -= cur; |
| } |
| |
| /* And continue if any data left */ |
| } |
| return orig_len; |
| } |
| |
| /* Send the key code to the other end */ |
| static void baum_send_key(BaumDriverState *baum, uint8_t type, uint8_t value) { |
| uint8_t packet[] = { type, value }; |
| 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) |
| { |
| BaumDriverState *baum = opaque; |
| brlapi_keyCode_t code; |
| int ret; |
| if (!baum->brlapi) |
| return; |
| while ((ret = brlapi__readKey(baum->brlapi, 0, &code)) == 1) { |
| DPRINTF("got key %"BRLAPI_PRIxKEYCODE"\n", code); |
| /* Emulate */ |
| switch (code & BRLAPI_KEY_TYPE_MASK) { |
| case BRLAPI_KEY_TYPE_CMD: |
| switch (code & BRLAPI_KEY_CMD_BLK_MASK) { |
| case BRLAPI_KEY_CMD_ROUTE: |
| baum_send_key(baum, BAUM_RSP_RoutingKey, (code & BRLAPI_KEY_CMD_ARG_MASK)+1); |
| baum_send_key(baum, BAUM_RSP_RoutingKey, 0); |
| break; |
| case 0: |
| switch (code & BRLAPI_KEY_CMD_ARG_MASK) { |
| case BRLAPI_KEY_CMD_FWINLT: |
| baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL2); |
| baum_send_key(baum, BAUM_RSP_TopKeys, 0); |
| break; |
| case BRLAPI_KEY_CMD_FWINRT: |
| baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TR2); |
| baum_send_key(baum, BAUM_RSP_TopKeys, 0); |
| break; |
| case BRLAPI_KEY_CMD_LNUP: |
| baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TR1); |
| baum_send_key(baum, BAUM_RSP_TopKeys, 0); |
| break; |
| case BRLAPI_KEY_CMD_LNDN: |
| baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TR3); |
| baum_send_key(baum, BAUM_RSP_TopKeys, 0); |
| break; |
| case BRLAPI_KEY_CMD_TOP: |
| baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL1|BAUM_TR1); |
| baum_send_key(baum, BAUM_RSP_TopKeys, 0); |
| break; |
| case BRLAPI_KEY_CMD_BOT: |
| baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL3|BAUM_TR3); |
| baum_send_key(baum, BAUM_RSP_TopKeys, 0); |
| break; |
| case BRLAPI_KEY_CMD_TOP_LEFT: |
| baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL2|BAUM_TR1); |
| baum_send_key(baum, BAUM_RSP_TopKeys, 0); |
| break; |
| case BRLAPI_KEY_CMD_BOT_LEFT: |
| baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL2|BAUM_TR3); |
| baum_send_key(baum, BAUM_RSP_TopKeys, 0); |
| break; |
| case BRLAPI_KEY_CMD_HOME: |
| baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL2|BAUM_TR1|BAUM_TR3); |
| baum_send_key(baum, BAUM_RSP_TopKeys, 0); |
| break; |
| case BRLAPI_KEY_CMD_PREFMENU: |
| baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL1|BAUM_TL3|BAUM_TR1); |
| baum_send_key(baum, BAUM_RSP_TopKeys, 0); |
| break; |
| } |
| } |
| break; |
| case BRLAPI_KEY_TYPE_SYM: |
| break; |
| } |
| } |
| if (ret == -1 && (brlapi_errno != BRLAPI_ERROR_LIBCERR || errno != EINTR)) { |
| brlapi_perror("baum: brlapi_readKey"); |
| brlapi__closeConnection(baum->brlapi); |
| g_free(baum->brlapi); |
| baum->brlapi = NULL; |
| } |
| } |
| |
| static void baum_close(struct CharDriverState *chr) |
| { |
| BaumDriverState *baum = chr->opaque; |
| |
| timer_free(baum->cellCount_timer); |
| if (baum->brlapi) { |
| brlapi__closeConnection(baum->brlapi); |
| g_free(baum->brlapi); |
| } |
| g_free(baum); |
| } |
| |
| CharDriverState *chr_baum_init(void) |
| { |
| BaumDriverState *baum; |
| CharDriverState *chr; |
| brlapi_handle_t *handle; |
| #if defined(CONFIG_SDL) |
| #if SDL_COMPILEDVERSION < SDL_VERSIONNUM(2, 0, 0) |
| SDL_SysWMinfo info; |
| #endif |
| #endif |
| int tty; |
| |
| baum = g_malloc0(sizeof(BaumDriverState)); |
| baum->chr = chr = g_malloc0(sizeof(CharDriverState)); |
| |
| chr->opaque = baum; |
| chr->chr_write = baum_write; |
| chr->chr_accept_input = baum_accept_input; |
| chr->chr_close = baum_close; |
| |
| handle = g_malloc0(brlapi_getHandleSize()); |
| baum->brlapi = handle; |
| |
| baum->brlapi_fd = brlapi__openConnection(handle, NULL, NULL); |
| if (baum->brlapi_fd == -1) { |
| brlapi_perror("baum_init: brlapi_openConnection"); |
| goto fail_handle; |
| } |
| |
| baum->cellCount_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, baum_cellCount_timer_cb, baum); |
| |
| if (brlapi__getDisplaySize(handle, &baum->x, &baum->y) == -1) { |
| brlapi_perror("baum_init: brlapi_getDisplaySize"); |
| goto fail; |
| } |
| |
| #if defined(CONFIG_SDL) |
| #if SDL_COMPILEDVERSION < SDL_VERSIONNUM(2, 0, 0) |
| memset(&info, 0, sizeof(info)); |
| SDL_VERSION(&info.version); |
| if (SDL_GetWMInfo(&info)) |
| tty = info.info.x11.wmwindow; |
| else |
| #endif |
| #endif |
| tty = BRLAPI_TTY_DEFAULT; |
| |
| if (brlapi__enterTtyMode(handle, tty, NULL) == -1) { |
| brlapi_perror("baum_init: brlapi_enterTtyMode"); |
| goto fail; |
| } |
| |
| qemu_set_fd_handler(baum->brlapi_fd, baum_chr_read, NULL, baum); |
| |
| return chr; |
| |
| fail: |
| timer_free(baum->cellCount_timer); |
| brlapi__closeConnection(handle); |
| fail_handle: |
| g_free(handle); |
| g_free(chr); |
| g_free(baum); |
| return NULL; |
| } |
| |
| static void register_types(void) |
| { |
| register_char_driver_qapi("braille", CHARDEV_BACKEND_KIND_BRAILLE, NULL); |
| } |
| |
| type_init(register_types); |
