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/*
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* QEMU Baum Braille Device
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*
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* Copyright (c) 2008 Samuel Thibault
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "qemu-common.h" |
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#include "qemu-char.h" |
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#include "qemu-timer.h" |
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#include "usb.h" |
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#include "baum.h" |
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#include <assert.h> |
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#include <brlapi.h> |
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#include <brlapi_constants.h> |
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#include <brlapi_keycodes.h> |
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#ifdef CONFIG_SDL
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#include <SDL/SDL_syswm.h> |
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#endif
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#if 0
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#define DPRINTF(fmt, ...) \
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printf(fmt, ## __VA_ARGS__)
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#else
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#define DPRINTF(fmt, ...)
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#endif
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#define ESC 0x1B |
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|
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#define BAUM_REQ_DisplayData 0x01 |
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#define BAUM_REQ_GetVersionNumber 0x05 |
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#define BAUM_REQ_GetKeys 0x08 |
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#define BAUM_REQ_SetMode 0x12 |
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#define BAUM_REQ_SetProtocol 0x15 |
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#define BAUM_REQ_GetDeviceIdentity 0x84 |
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#define BAUM_REQ_GetSerialNumber 0x8A |
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|
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#define BAUM_RSP_CellCount 0x01 |
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#define BAUM_RSP_VersionNumber 0x05 |
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#define BAUM_RSP_ModeSetting 0x11 |
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#define BAUM_RSP_CommunicationChannel 0x16 |
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#define BAUM_RSP_PowerdownSignal 0x17 |
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#define BAUM_RSP_HorizontalSensors 0x20 |
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#define BAUM_RSP_VerticalSensors 0x21 |
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#define BAUM_RSP_RoutingKeys 0x22 |
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#define BAUM_RSP_Switches 0x23 |
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#define BAUM_RSP_TopKeys 0x24 |
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#define BAUM_RSP_HorizontalSensor 0x25 |
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#define BAUM_RSP_VerticalSensor 0x26 |
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#define BAUM_RSP_RoutingKey 0x27 |
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#define BAUM_RSP_FrontKeys6 0x28 |
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#define BAUM_RSP_BackKeys6 0x29 |
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#define BAUM_RSP_CommandKeys 0x2B |
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#define BAUM_RSP_FrontKeys10 0x2C |
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#define BAUM_RSP_BackKeys10 0x2D |
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#define BAUM_RSP_EntryKeys 0x33 |
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#define BAUM_RSP_JoyStick 0x34 |
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#define BAUM_RSP_ErrorCode 0x40 |
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#define BAUM_RSP_InfoBlock 0x42 |
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#define BAUM_RSP_DeviceIdentity 0x84 |
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#define BAUM_RSP_SerialNumber 0x8A |
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#define BAUM_RSP_BluetoothName 0x8C |
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|
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#define BAUM_TL1 0x01 |
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#define BAUM_TL2 0x02 |
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#define BAUM_TL3 0x04 |
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#define BAUM_TR1 0x08 |
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#define BAUM_TR2 0x10 |
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#define BAUM_TR3 0x20 |
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|
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#define BUF_SIZE 256 |
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typedef struct { |
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CharDriverState *chr; |
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brlapi_handle_t *brlapi; |
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int brlapi_fd;
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int x, y;
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uint8_t in_buf[BUF_SIZE]; |
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uint8_t in_buf_used; |
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uint8_t out_buf[BUF_SIZE]; |
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uint8_t out_buf_used, out_buf_ptr; |
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QEMUTimer *cellCount_timer; |
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} BaumDriverState; |
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|
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/* Let's assume NABCC by default */
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static const uint8_t nabcc_translation[256] = { |
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[0] = ' ', |
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#ifndef BRLAPI_DOTS
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#define BRLAPI_DOTS(d1,d2,d3,d4,d5,d6,d7,d8) \
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((d1?BRLAPI_DOT1:0)|\
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(d2?BRLAPI_DOT2:0)|\
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(d3?BRLAPI_DOT3:0)|\
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(d4?BRLAPI_DOT4:0)|\
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(d5?BRLAPI_DOT5:0)|\
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(d6?BRLAPI_DOT6:0)|\
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(d7?BRLAPI_DOT7:0)|\
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(d8?BRLAPI_DOT8:0))
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#endif
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[BRLAPI_DOTS(1,0,0,0,0,0,0,0)] = 'a', |
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[BRLAPI_DOTS(1,1,0,0,0,0,0,0)] = 'b', |
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[BRLAPI_DOTS(1,0,0,1,0,0,0,0)] = 'c', |
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[BRLAPI_DOTS(1,0,0,1,1,0,0,0)] = 'd', |
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[BRLAPI_DOTS(1,0,0,0,1,0,0,0)] = 'e', |
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[BRLAPI_DOTS(1,1,0,1,0,0,0,0)] = 'f', |
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[BRLAPI_DOTS(1,1,0,1,1,0,0,0)] = 'g', |
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[BRLAPI_DOTS(1,1,0,0,1,0,0,0)] = 'h', |
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[BRLAPI_DOTS(0,1,0,1,0,0,0,0)] = 'i', |
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[BRLAPI_DOTS(0,1,0,1,1,0,0,0)] = 'j', |
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[BRLAPI_DOTS(1,0,1,0,0,0,0,0)] = 'k', |
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[BRLAPI_DOTS(1,1,1,0,0,0,0,0)] = 'l', |
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[BRLAPI_DOTS(1,0,1,1,0,0,0,0)] = 'm', |
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[BRLAPI_DOTS(1,0,1,1,1,0,0,0)] = 'n', |
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[BRLAPI_DOTS(1,0,1,0,1,0,0,0)] = 'o', |
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[BRLAPI_DOTS(1,1,1,1,0,0,0,0)] = 'p', |
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[BRLAPI_DOTS(1,1,1,1,1,0,0,0)] = 'q', |
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[BRLAPI_DOTS(1,1,1,0,1,0,0,0)] = 'r', |
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[BRLAPI_DOTS(0,1,1,1,0,0,0,0)] = 's', |
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[BRLAPI_DOTS(0,1,1,1,1,0,0,0)] = 't', |
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[BRLAPI_DOTS(1,0,1,0,0,1,0,0)] = 'u', |
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[BRLAPI_DOTS(1,1,1,0,0,1,0,0)] = 'v', |
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[BRLAPI_DOTS(0,1,0,1,1,1,0,0)] = 'w', |
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[BRLAPI_DOTS(1,0,1,1,0,1,0,0)] = 'x', |
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[BRLAPI_DOTS(1,0,1,1,1,1,0,0)] = 'y', |
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[BRLAPI_DOTS(1,0,1,0,1,1,0,0)] = 'z', |
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|
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[BRLAPI_DOTS(1,0,0,0,0,0,1,0)] = 'A', |
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[BRLAPI_DOTS(1,1,0,0,0,0,1,0)] = 'B', |
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[BRLAPI_DOTS(1,0,0,1,0,0,1,0)] = 'C', |
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[BRLAPI_DOTS(1,0,0,1,1,0,1,0)] = 'D', |
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[BRLAPI_DOTS(1,0,0,0,1,0,1,0)] = 'E', |
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[BRLAPI_DOTS(1,1,0,1,0,0,1,0)] = 'F', |
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[BRLAPI_DOTS(1,1,0,1,1,0,1,0)] = 'G', |
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[BRLAPI_DOTS(1,1,0,0,1,0,1,0)] = 'H', |
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[BRLAPI_DOTS(0,1,0,1,0,0,1,0)] = 'I', |
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[BRLAPI_DOTS(0,1,0,1,1,0,1,0)] = 'J', |
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[BRLAPI_DOTS(1,0,1,0,0,0,1,0)] = 'K', |
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[BRLAPI_DOTS(1,1,1,0,0,0,1,0)] = 'L', |
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[BRLAPI_DOTS(1,0,1,1,0,0,1,0)] = 'M', |
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[BRLAPI_DOTS(1,0,1,1,1,0,1,0)] = 'N', |
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[BRLAPI_DOTS(1,0,1,0,1,0,1,0)] = 'O', |
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[BRLAPI_DOTS(1,1,1,1,0,0,1,0)] = 'P', |
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[BRLAPI_DOTS(1,1,1,1,1,0,1,0)] = 'Q', |
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[BRLAPI_DOTS(1,1,1,0,1,0,1,0)] = 'R', |
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[BRLAPI_DOTS(0,1,1,1,0,0,1,0)] = 'S', |
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[BRLAPI_DOTS(0,1,1,1,1,0,1,0)] = 'T', |
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[BRLAPI_DOTS(1,0,1,0,0,1,1,0)] = 'U', |
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[BRLAPI_DOTS(1,1,1,0,0,1,1,0)] = 'V', |
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[BRLAPI_DOTS(0,1,0,1,1,1,1,0)] = 'W', |
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[BRLAPI_DOTS(1,0,1,1,0,1,1,0)] = 'X', |
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[BRLAPI_DOTS(1,0,1,1,1,1,1,0)] = 'Y', |
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[BRLAPI_DOTS(1,0,1,0,1,1,1,0)] = 'Z', |
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|
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[BRLAPI_DOTS(0,0,1,0,1,1,0,0)] = '0', |
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[BRLAPI_DOTS(0,1,0,0,0,0,0,0)] = '1', |
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[BRLAPI_DOTS(0,1,1,0,0,0,0,0)] = '2', |
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[BRLAPI_DOTS(0,1,0,0,1,0,0,0)] = '3', |
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[BRLAPI_DOTS(0,1,0,0,1,1,0,0)] = '4', |
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[BRLAPI_DOTS(0,1,0,0,0,1,0,0)] = '5', |
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[BRLAPI_DOTS(0,1,1,0,1,0,0,0)] = '6', |
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[BRLAPI_DOTS(0,1,1,0,1,1,0,0)] = '7', |
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[BRLAPI_DOTS(0,1,1,0,0,1,0,0)] = '8', |
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[BRLAPI_DOTS(0,0,1,0,1,0,0,0)] = '9', |
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|
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[BRLAPI_DOTS(0,0,0,1,0,1,0,0)] = '.', |
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[BRLAPI_DOTS(0,0,1,1,0,1,0,0)] = '+', |
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[BRLAPI_DOTS(0,0,1,0,0,1,0,0)] = '-', |
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[BRLAPI_DOTS(1,0,0,0,0,1,0,0)] = '*', |
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[BRLAPI_DOTS(0,0,1,1,0,0,0,0)] = '/', |
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[BRLAPI_DOTS(1,1,1,0,1,1,0,0)] = '(', |
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[BRLAPI_DOTS(0,1,1,1,1,1,0,0)] = ')', |
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|
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[BRLAPI_DOTS(1,1,1,1,0,1,0,0)] = '&', |
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[BRLAPI_DOTS(0,0,1,1,1,1,0,0)] = '#', |
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|
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[BRLAPI_DOTS(0,0,0,0,0,1,0,0)] = ',', |
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[BRLAPI_DOTS(0,0,0,0,1,1,0,0)] = ';', |
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[BRLAPI_DOTS(1,0,0,0,1,1,0,0)] = ':', |
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[BRLAPI_DOTS(0,1,1,1,0,1,0,0)] = '!', |
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[BRLAPI_DOTS(1,0,0,1,1,1,0,0)] = '?', |
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[BRLAPI_DOTS(0,0,0,0,1,0,0,0)] = '"', |
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[BRLAPI_DOTS(0,0,1,0,0,0,0,0)] ='\'', |
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[BRLAPI_DOTS(0,0,0,1,0,0,0,0)] = '`', |
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[BRLAPI_DOTS(0,0,0,1,1,0,1,0)] = '^', |
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[BRLAPI_DOTS(0,0,0,1,1,0,0,0)] = '~', |
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[BRLAPI_DOTS(0,1,0,1,0,1,1,0)] = '[', |
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[BRLAPI_DOTS(1,1,0,1,1,1,1,0)] = ']', |
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[BRLAPI_DOTS(0,1,0,1,0,1,0,0)] = '{', |
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[BRLAPI_DOTS(1,1,0,1,1,1,0,0)] = '}', |
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[BRLAPI_DOTS(1,1,1,1,1,1,0,0)] = '=', |
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[BRLAPI_DOTS(1,1,0,0,0,1,0,0)] = '<', |
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[BRLAPI_DOTS(0,0,1,1,1,0,0,0)] = '>', |
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[BRLAPI_DOTS(1,1,0,1,0,1,0,0)] = '$', |
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[BRLAPI_DOTS(1,0,0,1,0,1,0,0)] = '%', |
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[BRLAPI_DOTS(0,0,0,1,0,0,1,0)] = '@', |
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[BRLAPI_DOTS(1,1,0,0,1,1,0,0)] = '|', |
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[BRLAPI_DOTS(1,1,0,0,1,1,1,0)] ='\\', |
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[BRLAPI_DOTS(0,0,0,1,1,1,0,0)] = '_', |
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}; |
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|
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/* The serial port can receive more of our data */
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static void baum_accept_input(struct CharDriverState *chr) |
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{ |
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BaumDriverState *baum = chr->opaque; |
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int room, first;
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|
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if (!baum->out_buf_used)
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return;
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room = qemu_chr_can_read(chr); |
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if (!room)
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return;
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if (room > baum->out_buf_used)
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room = baum->out_buf_used; |
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|
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first = BUF_SIZE - baum->out_buf_ptr; |
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if (room > first) {
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qemu_chr_read(chr, baum->out_buf + baum->out_buf_ptr, first); |
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baum->out_buf_ptr = 0;
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baum->out_buf_used -= first; |
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room -= first; |
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} |
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qemu_chr_read(chr, baum->out_buf + baum->out_buf_ptr, room); |
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baum->out_buf_ptr += room; |
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baum->out_buf_used -= room; |
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} |
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|
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/* We want to send a packet */
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static void baum_write_packet(BaumDriverState *baum, const uint8_t *buf, int len) |
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{ |
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uint8_t io_buf[1 + 2 * len], *cur = io_buf; |
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int room;
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*cur++ = ESC; |
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while (len--)
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if ((*cur++ = *buf++) == ESC)
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*cur++ = ESC; |
254 |
room = qemu_chr_can_read(baum->chr); |
255 |
len = cur - io_buf; |
256 |
if (len <= room) {
|
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/* Fits */
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qemu_chr_read(baum->chr, io_buf, len); |
259 |
} else {
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int first;
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uint8_t out; |
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/* Can't fit all, send what can be, and store the rest. */
|
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qemu_chr_read(baum->chr, io_buf, room); |
264 |
len -= room; |
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cur = io_buf + room; |
266 |
if (len > BUF_SIZE - baum->out_buf_used) {
|
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/* Can't even store it, drop the previous data... */
|
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assert(len <= BUF_SIZE); |
269 |
baum->out_buf_used = 0;
|
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baum->out_buf_ptr = 0;
|
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} |
272 |
out = baum->out_buf_ptr; |
273 |
baum->out_buf_used += len; |
274 |
first = BUF_SIZE - baum->out_buf_ptr; |
275 |
if (len > first) {
|
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memcpy(baum->out_buf + out, cur, first); |
277 |
out = 0;
|
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len -= first; |
279 |
cur += first; |
280 |
} |
281 |
memcpy(baum->out_buf + out, cur, len); |
282 |
} |
283 |
} |
284 |
|
285 |
/* Called when the other end seems to have a wrong idea of our display size */
|
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static void baum_cellCount_timer_cb(void *opaque) |
287 |
{ |
288 |
BaumDriverState *baum = opaque; |
289 |
uint8_t cell_count[] = { BAUM_RSP_CellCount, baum->x * baum->y }; |
290 |
DPRINTF("Timeout waiting for DisplayData, sending cell count\n");
|
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baum_write_packet(baum, cell_count, sizeof(cell_count));
|
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} |
293 |
|
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/* Try to interpret a whole incoming packet */
|
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static int baum_eat_packet(BaumDriverState *baum, const uint8_t *buf, int len) |
296 |
{ |
297 |
const uint8_t *cur = buf;
|
298 |
uint8_t req = 0;
|
299 |
|
300 |
if (!len--)
|
301 |
return 0; |
302 |
if (*cur++ != ESC) {
|
303 |
while (*cur != ESC) {
|
304 |
if (!len--)
|
305 |
return 0; |
306 |
cur++; |
307 |
} |
308 |
DPRINTF("Dropped %d bytes!\n", cur - buf);
|
309 |
} |
310 |
|
311 |
#define EAT(c) do {\ |
312 |
if (!len--) \
|
313 |
return 0; \ |
314 |
if ((c = *cur++) == ESC) { \
|
315 |
if (!len--) \
|
316 |
return 0; \ |
317 |
if (*cur++ != ESC) { \
|
318 |
DPRINTF("Broken packet %#2x, tossing\n", req); \
|
319 |
if (qemu_timer_pending(baum->cellCount_timer)) { \
|
320 |
qemu_del_timer(baum->cellCount_timer); \ |
321 |
baum_cellCount_timer_cb(baum); \ |
322 |
} \ |
323 |
return (cur - 2 - buf); \ |
324 |
} \ |
325 |
} \ |
326 |
} while (0) |
327 |
|
328 |
EAT(req); |
329 |
switch (req) {
|
330 |
case BAUM_REQ_DisplayData:
|
331 |
{ |
332 |
uint8_t cells[baum->x * baum->y], c; |
333 |
uint8_t text[baum->x * baum->y]; |
334 |
uint8_t zero[baum->x * baum->y]; |
335 |
int cursor = BRLAPI_CURSOR_OFF;
|
336 |
int i;
|
337 |
|
338 |
/* Allow 100ms to complete the DisplayData packet */
|
339 |
qemu_mod_timer(baum->cellCount_timer, qemu_get_clock(vm_clock) + ticks_per_sec / 10);
|
340 |
for (i = 0; i < baum->x * baum->y ; i++) { |
341 |
EAT(c); |
342 |
cells[i] = c; |
343 |
if ((c & (BRLAPI_DOT7|BRLAPI_DOT8))
|
344 |
== (BRLAPI_DOT7|BRLAPI_DOT8)) { |
345 |
cursor = i + 1;
|
346 |
c &= ~(BRLAPI_DOT7|BRLAPI_DOT8); |
347 |
} |
348 |
if (!(c = nabcc_translation[c]))
|
349 |
c = '?';
|
350 |
text[i] = c; |
351 |
} |
352 |
qemu_del_timer(baum->cellCount_timer); |
353 |
|
354 |
memset(zero, 0, sizeof(zero)); |
355 |
|
356 |
brlapi_writeArguments_t wa = { |
357 |
.displayNumber = BRLAPI_DISPLAY_DEFAULT, |
358 |
.regionBegin = 1,
|
359 |
.regionSize = baum->x * baum->y, |
360 |
.text = text, |
361 |
.textSize = baum->x * baum->y, |
362 |
.andMask = zero, |
363 |
.orMask = cells, |
364 |
.cursor = cursor, |
365 |
.charset = "ISO-8859-1",
|
366 |
}; |
367 |
|
368 |
if (brlapi__write(baum->brlapi, &wa) == -1) |
369 |
brlapi_perror("baum brlapi_write");
|
370 |
break;
|
371 |
} |
372 |
case BAUM_REQ_SetMode:
|
373 |
{ |
374 |
uint8_t mode, setting; |
375 |
DPRINTF("SetMode\n");
|
376 |
EAT(mode); |
377 |
EAT(setting); |
378 |
/* ignore */
|
379 |
break;
|
380 |
} |
381 |
case BAUM_REQ_SetProtocol:
|
382 |
{ |
383 |
uint8_t protocol; |
384 |
DPRINTF("SetProtocol\n");
|
385 |
EAT(protocol); |
386 |
/* ignore */
|
387 |
break;
|
388 |
} |
389 |
case BAUM_REQ_GetDeviceIdentity:
|
390 |
{ |
391 |
uint8_t identity[17] = { BAUM_RSP_DeviceIdentity,
|
392 |
'B','a','u','m',' ','V','a','r','i','o' }; |
393 |
DPRINTF("GetDeviceIdentity\n");
|
394 |
identity[11] = '0' + baum->x / 10; |
395 |
identity[12] = '0' + baum->x % 10; |
396 |
baum_write_packet(baum, identity, sizeof(identity));
|
397 |
break;
|
398 |
} |
399 |
case BAUM_REQ_GetVersionNumber:
|
400 |
{ |
401 |
uint8_t version[] = { BAUM_RSP_VersionNumber, 1 }; /* ? */ |
402 |
DPRINTF("GetVersionNumber\n");
|
403 |
baum_write_packet(baum, version, sizeof(version));
|
404 |
break;
|
405 |
} |
406 |
case BAUM_REQ_GetSerialNumber:
|
407 |
{ |
408 |
uint8_t serial[] = { BAUM_RSP_SerialNumber, |
409 |
'0','0','0','0','0','0','0','0' }; |
410 |
DPRINTF("GetSerialNumber\n");
|
411 |
baum_write_packet(baum, serial, sizeof(serial));
|
412 |
break;
|
413 |
} |
414 |
case BAUM_REQ_GetKeys:
|
415 |
{ |
416 |
DPRINTF("Get%0#2x\n", req);
|
417 |
/* ignore */
|
418 |
break;
|
419 |
} |
420 |
default:
|
421 |
DPRINTF("unrecognized request %0#2x\n", req);
|
422 |
do
|
423 |
if (!len--)
|
424 |
return 0; |
425 |
while (*cur++ != ESC);
|
426 |
cur--; |
427 |
break;
|
428 |
} |
429 |
return cur - buf;
|
430 |
} |
431 |
|
432 |
/* The other end is writing some data. Store it and try to interpret */
|
433 |
static int baum_write(CharDriverState *chr, const uint8_t *buf, int len) |
434 |
{ |
435 |
BaumDriverState *baum = chr->opaque; |
436 |
int tocopy, cur, eaten, orig_len = len;
|
437 |
|
438 |
if (!len)
|
439 |
return 0; |
440 |
if (!baum->brlapi)
|
441 |
return len;
|
442 |
|
443 |
while (len) {
|
444 |
/* Complete our buffer as much as possible */
|
445 |
tocopy = len; |
446 |
if (tocopy > BUF_SIZE - baum->in_buf_used)
|
447 |
tocopy = BUF_SIZE - baum->in_buf_used; |
448 |
|
449 |
memcpy(baum->in_buf + baum->in_buf_used, buf, tocopy); |
450 |
baum->in_buf_used += tocopy; |
451 |
buf += tocopy; |
452 |
len -= tocopy; |
453 |
|
454 |
/* Interpret it as much as possible */
|
455 |
cur = 0;
|
456 |
while (cur < baum->in_buf_used &&
|
457 |
(eaten = baum_eat_packet(baum, baum->in_buf + cur, baum->in_buf_used - cur))) |
458 |
cur += eaten; |
459 |
|
460 |
/* Shift the remainder */
|
461 |
if (cur) {
|
462 |
memmove(baum->in_buf, baum->in_buf + cur, baum->in_buf_used - cur); |
463 |
baum->in_buf_used -= cur; |
464 |
} |
465 |
|
466 |
/* And continue if any data left */
|
467 |
} |
468 |
return orig_len;
|
469 |
} |
470 |
|
471 |
/* The other end sent us some event */
|
472 |
static void baum_send_event(CharDriverState *chr, int event) |
473 |
{ |
474 |
BaumDriverState *baum = chr->opaque; |
475 |
switch (event) {
|
476 |
case CHR_EVENT_BREAK:
|
477 |
break;
|
478 |
case CHR_EVENT_RESET:
|
479 |
/* Reset state */
|
480 |
baum->in_buf_used = 0;
|
481 |
break;
|
482 |
} |
483 |
} |
484 |
|
485 |
/* Send the key code to the other end */
|
486 |
static void baum_send_key(BaumDriverState *baum, uint8_t type, uint8_t value) { |
487 |
uint8_t packet[] = { type, value }; |
488 |
DPRINTF("writing key %x %x\n", type, value);
|
489 |
baum_write_packet(baum, packet, sizeof(packet));
|
490 |
} |
491 |
|
492 |
/* We got some data on the BrlAPI socket */
|
493 |
static void baum_chr_read(void *opaque) |
494 |
{ |
495 |
BaumDriverState *baum = opaque; |
496 |
brlapi_keyCode_t code; |
497 |
int ret;
|
498 |
if (!baum->brlapi)
|
499 |
return;
|
500 |
while ((ret = brlapi__readKey(baum->brlapi, 0, &code)) == 1) { |
501 |
DPRINTF("got key %"BRLAPI_PRIxKEYCODE"\n", code); |
502 |
/* Emulate */
|
503 |
switch (code & BRLAPI_KEY_TYPE_MASK) {
|
504 |
case BRLAPI_KEY_TYPE_CMD:
|
505 |
switch (code & BRLAPI_KEY_CMD_BLK_MASK) {
|
506 |
case BRLAPI_KEY_CMD_ROUTE:
|
507 |
baum_send_key(baum, BAUM_RSP_RoutingKey, (code & BRLAPI_KEY_CMD_ARG_MASK)+1);
|
508 |
baum_send_key(baum, BAUM_RSP_RoutingKey, 0);
|
509 |
break;
|
510 |
case 0: |
511 |
switch (code & BRLAPI_KEY_CMD_ARG_MASK) {
|
512 |
case BRLAPI_KEY_CMD_FWINLT:
|
513 |
baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL2); |
514 |
baum_send_key(baum, BAUM_RSP_TopKeys, 0);
|
515 |
break;
|
516 |
case BRLAPI_KEY_CMD_FWINRT:
|
517 |
baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TR2); |
518 |
baum_send_key(baum, BAUM_RSP_TopKeys, 0);
|
519 |
break;
|
520 |
case BRLAPI_KEY_CMD_LNUP:
|
521 |
baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TR1); |
522 |
baum_send_key(baum, BAUM_RSP_TopKeys, 0);
|
523 |
break;
|
524 |
case BRLAPI_KEY_CMD_LNDN:
|
525 |
baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TR3); |
526 |
baum_send_key(baum, BAUM_RSP_TopKeys, 0);
|
527 |
break;
|
528 |
case BRLAPI_KEY_CMD_TOP:
|
529 |
baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL1|BAUM_TR1); |
530 |
baum_send_key(baum, BAUM_RSP_TopKeys, 0);
|
531 |
break;
|
532 |
case BRLAPI_KEY_CMD_BOT:
|
533 |
baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL3|BAUM_TR3); |
534 |
baum_send_key(baum, BAUM_RSP_TopKeys, 0);
|
535 |
break;
|
536 |
case BRLAPI_KEY_CMD_TOP_LEFT:
|
537 |
baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL2|BAUM_TR1); |
538 |
baum_send_key(baum, BAUM_RSP_TopKeys, 0);
|
539 |
break;
|
540 |
case BRLAPI_KEY_CMD_BOT_LEFT:
|
541 |
baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL2|BAUM_TR3); |
542 |
baum_send_key(baum, BAUM_RSP_TopKeys, 0);
|
543 |
break;
|
544 |
case BRLAPI_KEY_CMD_HOME:
|
545 |
baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL2|BAUM_TR1|BAUM_TR3); |
546 |
baum_send_key(baum, BAUM_RSP_TopKeys, 0);
|
547 |
break;
|
548 |
case BRLAPI_KEY_CMD_PREFMENU:
|
549 |
baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL1|BAUM_TL3|BAUM_TR1); |
550 |
baum_send_key(baum, BAUM_RSP_TopKeys, 0);
|
551 |
break;
|
552 |
} |
553 |
} |
554 |
break;
|
555 |
case BRLAPI_KEY_TYPE_SYM:
|
556 |
break;
|
557 |
} |
558 |
} |
559 |
if (ret == -1 && (brlapi_errno != BRLAPI_ERROR_LIBCERR || errno != EINTR)) { |
560 |
brlapi_perror("baum: brlapi_readKey");
|
561 |
brlapi__closeConnection(baum->brlapi); |
562 |
free(baum->brlapi); |
563 |
baum->brlapi = NULL;
|
564 |
} |
565 |
} |
566 |
|
567 |
CharDriverState *chr_baum_init(void)
|
568 |
{ |
569 |
BaumDriverState *baum; |
570 |
CharDriverState *chr; |
571 |
brlapi_handle_t *handle; |
572 |
#ifdef CONFIG_SDL
|
573 |
SDL_SysWMinfo info; |
574 |
#endif
|
575 |
int tty;
|
576 |
|
577 |
baum = qemu_mallocz(sizeof(BaumDriverState));
|
578 |
baum->chr = chr = qemu_mallocz(sizeof(CharDriverState));
|
579 |
|
580 |
chr->opaque = baum; |
581 |
chr->chr_write = baum_write; |
582 |
chr->chr_send_event = baum_send_event; |
583 |
chr->chr_accept_input = baum_accept_input; |
584 |
|
585 |
handle = qemu_mallocz(brlapi_getHandleSize()); |
586 |
baum->brlapi = handle; |
587 |
|
588 |
baum->brlapi_fd = brlapi__openConnection(handle, NULL, NULL); |
589 |
if (baum->brlapi_fd == -1) { |
590 |
brlapi_perror("baum_init: brlapi_openConnection");
|
591 |
goto fail_handle;
|
592 |
} |
593 |
|
594 |
baum->cellCount_timer = qemu_new_timer(vm_clock, baum_cellCount_timer_cb, baum); |
595 |
|
596 |
if (brlapi__getDisplaySize(handle, &baum->x, &baum->y) == -1) { |
597 |
brlapi_perror("baum_init: brlapi_getDisplaySize");
|
598 |
goto fail;
|
599 |
} |
600 |
|
601 |
#ifdef CONFIG_SDL
|
602 |
memset(&info, 0, sizeof(info)); |
603 |
SDL_VERSION(&info.version); |
604 |
if (SDL_GetWMInfo(&info))
|
605 |
tty = info.info.x11.wmwindow; |
606 |
else
|
607 |
#endif
|
608 |
tty = BRLAPI_TTY_DEFAULT; |
609 |
|
610 |
if (brlapi__enterTtyMode(handle, tty, NULL) == -1) { |
611 |
brlapi_perror("baum_init: brlapi_enterTtyMode");
|
612 |
goto fail;
|
613 |
} |
614 |
|
615 |
qemu_set_fd_handler(baum->brlapi_fd, baum_chr_read, NULL, baum);
|
616 |
|
617 |
qemu_chr_reset(chr); |
618 |
|
619 |
return chr;
|
620 |
|
621 |
fail:
|
622 |
qemu_free_timer(baum->cellCount_timer); |
623 |
brlapi__closeConnection(handle); |
624 |
fail_handle:
|
625 |
free(handle); |
626 |
free(chr); |
627 |
free(baum); |
628 |
return NULL; |
629 |
} |
630 |
|
631 |
USBDevice *usb_baum_init(void)
|
632 |
{ |
633 |
/* USB Product ID of Super Vario 40 */
|
634 |
return usb_serial_init("productid=FE72:braille"); |
635 |
} |