예제 #1
0
파일: braille.c 프로젝트: Feechka/UOBP
static int
interpretCharacter (BrailleDisplay *brl, unsigned char dots, KeyTableCommandContext context) {
  int mask = 0X00;
  switch (currentKeyboardMode) {
    case KBM_NAVIGATE:
      return interpretNavigation(brl, dots, context);
    case KBM_INPUT:
      break;
    case KBM_INPUT_7:
      mask |= 0X40;
      break;
    case KBM_INPUT_78:
      mask |= 0XC0;
      break;
    case KBM_INPUT_8:
      mask |= 0X80;
      break;
  }
  return BRL_BLK_PASSDOTS + (translateInputCell(dots) | mask);
}
예제 #2
0
파일: braille.c 프로젝트: mlang/brltty
static int
brl_construct (BrailleDisplay *brl, char **parameters, const char *device) {
   {
      static TranslationTable outputTable = {
#include "brl-out.h"
      };

      setOutputTable(outputTable);
      makeInputTable();

      {
         const unsigned char byte = 0XFF;

         if (memchr(outputTable, byte, sizeof(outputTable))) {
            outputTable[translateInputCell(byte)] = SUB;
         }
      }
   }

   if (!isSerialDeviceIdentifier(&device)) {
      unsupportedDeviceIdentifier(device);
      return 0;
   }

   makeDownloadFifo();
   if ((serialDevice = serialOpenDevice(device))) {
      if (serialRestartDevice(serialDevice, 9600)) {
         brl->textRows = screenHeight;
         brl->textColumns = screenWidth;
         brl->buffer = &sourceImage[0][0];
         memset(sourceImage, 0, sizeof(sourceImage));
         deviceStatus = DEV_ONLINE;
         return 1;
      }
      serialCloseDevice(serialDevice);
      serialDevice = NULL;
   }
   return 0;
}
예제 #3
0
파일: braille.c 프로젝트: Feechka/UOBP
static wchar_t
getCharacter (BrailleDisplay *brl) {
  for (;;) {
    switch (getByte()) {
      default:
        break;
      case BNI_CHARACTER:
        return convertDotsToCharacter(textTable, translateInputCell(getByte()));
      case BNI_SPACE:
        switch (getByte()) {
          default:
            break;
          case BNC_SPACE:
            return WC_C(' ');
        }
        break;
      case BNI_BACKSPACE:
        switch (getByte() & 0X3F) {
          default:
            break;
          case BNC_SPACE:
            return WC_C('\b');
        }
        break;
      case BNI_ENTER:
        switch (getByte()) {
          default:
            break;
          case BNC_SPACE:
            return WC_C('\r');
        }
        break;
    }
    refreshCells(brl);
  }
}
예제 #4
0
파일: braille.c 프로젝트: Feechka/UOBP
static int
brl_readCommand(BrailleDisplay *brl, KeyTableCommandContext context)
{
  int res = EOF;
  signed char status;
  brl_key key;

  status = braille_read(&key);
  if(status == -1)
    {
      logMessage(LOG_ERR, "error in braille_read: %s", braille_geterror());
      res = BRL_CMD_RESTARTBRL;
    }
  else if(status)
    {
      switch(key.type)
	{
	case BRL_NONE:
	  break;
	case BRL_CURSOR:
	  res = BRL_BLK_ROUTE + key.code;
	  break;
	case BRL_CMD:
	  switch(key.code)
	    {
	    case BRLK_UP:
	      res = BRL_BLK_PASSKEY + BRL_KEY_CURSOR_UP;
	      break;
	    case BRLK_DOWN:
	      res = BRL_BLK_PASSKEY + BRL_KEY_CURSOR_DOWN;
	      break;
	    case BRLK_RIGHT:
	      res = BRL_BLK_PASSKEY + BRL_KEY_CURSOR_RIGHT;
	      break;
	    case BRLK_LEFT:
	      res = BRL_BLK_PASSKEY + BRL_KEY_CURSOR_LEFT;
	      break;
	    case BRLK_INSERT:
	      res = BRL_BLK_PASSKEY + BRL_KEY_INSERT;
	      break;
	    case BRLK_HOME:
	      res = BRL_BLK_PASSKEY + BRL_KEY_HOME;
	      break;
	    case BRLK_END:
	      res = BRL_BLK_PASSKEY + BRL_KEY_END;
	      break;
	    case BRLK_PAGEUP:
	      res = BRL_BLK_PASSKEY + BRL_KEY_PAGE_UP;
	      break;
	    case BRLK_PAGEDOWN:
	      res = BRL_BLK_PASSKEY + BRL_KEY_PAGE_DOWN;
	      break;
	    case BRLK_BACKWARD:
	      res = BRL_CMD_FWINLT;
	      break;
	    case BRLK_FORWARD:
	      res = BRL_CMD_FWINRT;
	      break;
	    case BRLK_ABOVE:
	      res = BRL_CMD_LNUP;
	      break;
	    case BRLK_BELOW:
	      res = BRL_CMD_LNDN;
	      break;
	    default:
	      break;
	    }
	  break;
	case BRL_KEY:
	  res = BRL_BLK_PASSDOTS | translateInputCell(key.braille);
	  break;
	default:
          break;
	}
    }

  return res;
}
예제 #5
0
파일: braille.c 프로젝트: BaJIeK/brltty
static int
brl_readCommand (BrailleDisplay *brl, KeyTableCommandContext context) {
  while (1) {
    unsigned char packet[3];
    int size = readPacket(brl, packet, sizeof(packet));
    if (size == 0) break;
    if (size < 0) return BRL_CMD_RESTARTBRL;

    switch (packet[1]) {
      default:
        break;

      case 1:
        return BRL_BLK_PASSDOTS | translateInputCell(packet[2]);

      case 2: {
        unsigned char column = packet[2];
        if (column && (column <= brl->textColumns)) return BRL_BLK_ROUTE + (column - 1);
        break;
      }

      case 3:
        switch (packet[2]) {
          default:
            break;

          // left rear: two columns, one row
          case 0X02: // ESC
            return BRL_CMD_LEARN;
          case 0X01: // M
            return BRL_CMD_PREFMENU;

          // left middle: cross
          case 0X06: // up
            return BRL_CMD_LNUP;
          case 0X03: // left
            return BRL_CMD_FWINLT;
          case 0X05: // right
            return BRL_CMD_FWINRT;
          case 0X04: // down
            return BRL_CMD_LNDN;

          // left front: two columns, three rows
          case 0X09: // ins
            return BRL_CMD_RETURN;
          case 0X0A: // E
            return BRL_CMD_TOP;
          case 0X0B: // supp
            return BRL_CMD_CSRTRK;
          case 0X0C: // L
            return BRL_CMD_BOT;
          case 0X07: // extra 1 (40s only)
            return BRL_CMD_CHRLT;
          case 0X08: // extra 2 (40s only)
            return BRL_CMD_CHRRT;

          case 0x0E: // left thumb
            return BRL_BLK_PASSKEY + BRL_KEY_BACKSPACE;
          case 0x0F: // right thumb
            return BRL_BLK_PASSDOTS;
          case 0x3F: // both thumbs
            return BRL_BLK_PASSKEY + BRL_KEY_ENTER;

          case 0X29: // key under dot 7
            return BRL_BLK_PASSKEY + BRL_KEY_ESCAPE;
          case 0X2A: // key under dot 8
            return BRL_BLK_PASSKEY + BRL_KEY_TAB;

          // right rear: one column, one row
          case 0X19: // extra 3 (40s only)
            return BRL_CMD_INFO;

          // right middle: one column, two rows
          case 0X1B: // extra 4 (40s only)
            return BRL_CMD_PRDIFLN;
          case 0X1A: // extra 5 (40s only)
            return BRL_CMD_NXDIFLN;

          // right front: one column, four rows
          case 0X2B: // slash (40s only)
            return BRL_CMD_FREEZE;
          case 0X2C: // asterisk (40s only)
            return BRL_CMD_DISPMD;
          case 0X2D: // minus (40s only)
            return BRL_CMD_ATTRVIS;
          case 0X2E: // plus (40s only)
            return BRL_CMD_CSRVIS;

          // first (top) row of numeric pad
          case 0X37: // seven (40s only)
            return BRL_BLK_PASSKEY + BRL_KEY_HOME;
          case 0X38: // eight (40s only)
            return BRL_BLK_PASSKEY + BRL_KEY_CURSOR_UP;
          case 0X39: // nine (40s only)
            return BRL_BLK_PASSKEY + BRL_KEY_PAGE_UP;

          // second row of numeric pad
          case 0X34: // four (40s only)
            return BRL_BLK_PASSKEY + BRL_KEY_CURSOR_LEFT;
          case 0X35: // five (40s only)
            return BRL_CMD_CSRJMP_VERT;
          case 0X36: // six (40s only)
            return BRL_BLK_PASSKEY + BRL_KEY_CURSOR_RIGHT;

          // third row of numeric pad
          case 0X31: // one (40s only)
            return BRL_BLK_PASSKEY + BRL_KEY_END;
          case 0X32: // two (40s only)
            return BRL_BLK_PASSKEY + BRL_KEY_CURSOR_DOWN;
          case 0X33: // three (40s only)
            return BRL_BLK_PASSKEY + BRL_KEY_PAGE_DOWN;

          // fourth (bottom) row of numeric pad
          case 0X28: // verr num (40s only)
            return BRL_CMD_SIXDOTS;
          case 0X30: // zero (40s only)
            return BRL_BLK_PASSKEY + BRL_KEY_INSERT;
          case 0X2F: // supp (40s only)
            return BRL_BLK_PASSKEY + BRL_KEY_DELETE;
        }
        break;

      /* When data is written to the display it acknowledges with:
       * 0X00 0X04 0Xxx
       * where xx is the number of bytes written.
       */
      case 4:
        continue;
    }

    logUnexpectedPacket(packet, size);
  }

  return EOF;
}
예제 #6
0
파일: braille.c 프로젝트: mlang/brltty
static int
brl_readCommand (BrailleDisplay *brl, KeyTableCommandContext context) {
   int key = readKey();
   if (context != currentContext) {
      logMessage(LOG_DEBUG, "Context switch: %d -> %d", currentContext, context);
      switch (currentContext = context) {
         case KTB_CTX_DEFAULT:
            deviceStatus = DEV_ONLINE;
            break;
         default:
            break;
      }
   }
   if (key != EOF) {
      switch (key) {
         case KEY_FUNCTION_ENTER:
            return BRL_CMD_KEY(ENTER);
         case KEY_FUNCTION_TAB:
            return BRL_CMD_KEY(TAB);
         case KEY_FUNCTION_CURSOR_UP:
            return BRL_CMD_KEY(CURSOR_UP);
         case KEY_FUNCTION_CURSOR_DOWN:
            return BRL_CMD_KEY(CURSOR_DOWN);
         case KEY_FUNCTION_CURSOR_LEFT:
            return BRL_CMD_KEY(CURSOR_LEFT);
         case KEY_FUNCTION_CURSOR_RIGHT:
            return BRL_CMD_KEY(CURSOR_RIGHT);
         case KEY_FUNCTION_CURSOR_UP_JUMP:
            return BRL_CMD_KEY(HOME);
         case KEY_FUNCTION_CURSOR_DOWN_JUMP:
            return BRL_CMD_KEY(END);
         case KEY_FUNCTION_CURSOR_LEFT_JUMP:
            return BRL_CMD_KEY(PAGE_UP);
         case KEY_FUNCTION_CURSOR_RIGHT_JUMP:
            return BRL_CMD_KEY(PAGE_DOWN);
         case KEY_FUNCTION_F1:
            return BRL_CMD_KFN(1);
         case KEY_FUNCTION_F2:
            return BRL_CMD_KFN(2);
         case KEY_FUNCTION_F3:
            return BRL_CMD_KFN(3);
         case KEY_FUNCTION_F4:
            return BRL_CMD_KFN(4);
         case KEY_FUNCTION_F5:
            return BRL_CMD_KFN(5);
         case KEY_FUNCTION_F6:
            return BRL_CMD_KFN(6);
         case KEY_FUNCTION_F7:
            return BRL_CMD_KFN(7);
         case KEY_FUNCTION_F9:
            return BRL_CMD_KFN(9);
         case KEY_FUNCTION_F10:
            return BRL_CMD_KFN(10);
         case KEY_COMMAND: {
            int command;
            while ((command = readKey()) == EOF) asyncWait(1);
            logMessage(LOG_DEBUG, "Received command: (0x%2.2X) 0x%4.4X", KEY_COMMAND, command);
            switch (command) {
               case KEY_COMMAND:
                  /* pressing the escape command twice will pass it through */
                  return BRL_CMD_BLK(PASSDOTS) + translateInputCell(KEY_COMMAND);
               case KEY_COMMAND_SWITCHVT_PREV:
                  return BRL_CMD_SWITCHVT_PREV;
               case KEY_COMMAND_SWITCHVT_NEXT:
                  return BRL_CMD_SWITCHVT_NEXT;
               case KEY_COMMAND_SWITCHVT_1:
                  return BRL_CMD_BLK(SWITCHVT) + 0;
               case KEY_COMMAND_SWITCHVT_2:
                  return BRL_CMD_BLK(SWITCHVT) + 1;
               case KEY_COMMAND_SWITCHVT_3:
                  return BRL_CMD_BLK(SWITCHVT) + 2;
               case KEY_COMMAND_SWITCHVT_4:
                  return BRL_CMD_BLK(SWITCHVT) + 3;
               case KEY_COMMAND_SWITCHVT_5:
                  return BRL_CMD_BLK(SWITCHVT) + 4;
               case KEY_COMMAND_SWITCHVT_6:
                  return BRL_CMD_BLK(SWITCHVT) + 5;
               case KEY_COMMAND_SWITCHVT_7:
                  return BRL_CMD_BLK(SWITCHVT) + 6;
               case KEY_COMMAND_SWITCHVT_8:
                  return BRL_CMD_BLK(SWITCHVT) + 7;
               case KEY_COMMAND_SWITCHVT_9:
                  return BRL_CMD_BLK(SWITCHVT) + 8;
               case KEY_COMMAND_SWITCHVT_10:
                  return BRL_CMD_BLK(SWITCHVT) + 9;
               case KEY_COMMAND_PAGE_UP:
                  return BRL_CMD_KEY(PAGE_UP);
               case KEY_COMMAND_PAGE_DOWN:
                  return BRL_CMD_KEY(PAGE_DOWN);
               case KEY_COMMAND_PREFMENU:
                  currentLine = 0;
                  cursorRow = 0;
                  cursorColumn = 31;
                  sendCursorRow();
                  return BRL_CMD_PREFMENU;
               case KEY_COMMAND_PREFSAVE:
                  return BRL_CMD_PREFSAVE;
               case KEY_COMMAND_PREFLOAD:
                  return BRL_CMD_PREFLOAD;
               case KEY_COMMAND_FREEZE_ON:
                  return BRL_CMD_FREEZE | BRL_FLG_TOGGLE_ON;
               case KEY_COMMAND_FREEZE_OFF:
                  return BRL_CMD_FREEZE | BRL_FLG_TOGGLE_OFF;
               case KEY_COMMAND_RESTARTBRL:
                  return BRL_CMD_RESTARTBRL;
               case KEY_COMMAND_DOWNLOAD:
                  downloadFile();
                  break;
               default:
                  logMessage(LOG_WARNING, "Unknown command: (0X%2.2X) 0X%4.4X", KEY_COMMAND, command);
                  break;
            }
            break;
         }
         default:
            switch (key & KEY_MASK) {
               case KEY_UPDATE:
                  handleUpdate(key >> KEY_SHIFT);
                  break;
               case KEY_FUNCTION:
                  logMessage(LOG_WARNING, "Unknown function: (0X%2.2X) 0X%4.4X", KEY_COMMAND, key>>KEY_SHIFT);
                  break;
               default: {
                  unsigned char dots = translateInputCell(key);
                  logMessage(LOG_DEBUG, "Received character: 0X%2.2X dec=%d dots=%2.2X", key, key, dots);
                  return BRL_CMD_BLK(PASSDOTS) + dots;
               }
            }
            break;
      }
   }
   return EOF;
}
예제 #7
0
파일: braille.c 프로젝트: Feechka/UOBP
static int
interpretSpaceChord (BrailleDisplay *brl, unsigned char dots, KeyTableCommandContext context) {
  if (context == KTB_CTX_CHORDS)
    return BRL_BLK_PASSDOTS | translateInputCell(dots) | BRL_DOTC;
  switch (dots) {
    default:
    /* These are overridden by the Braille Note itself. */
    case BNC_E: /* exit current operation */
    case BNC_H: /* help for current operation */
    case BNC_O: /* go to options menu */
    case BNC_R: /* repeat current prompt */
    case BNC_U: /* uppercase for computer braille */
    case BNC_Z: /* exit current operation */
    case BNC_PERCENT: /* acknowledge alarm */
    case BNC_6: /* go to task menu */
    case (BND_1 | BND_2 | BND_3 | BND_4 | BND_5 | BND_6): /* go to main menu */
      break;
    case BNC_SPACE:
      return interpretCharacter(brl, dots, context);
    case BNC_C:
      return BRL_CMD_PREFMENU;
    case BNC_D:
      return BRL_CMD_PREFLOAD;
    case BNC_F:
      return getFunctionKey(brl);
    case BNC_L:
      temporaryRoutingOperation = BRL_BLK_SETLEFT;
      return BRL_CMD_NOOP;
    case BNC_M:
      return BRL_CMD_MUTE;
    case BNC_N:
      persistentKeyboardMode = KBM_NAVIGATE;
      temporaryKeyboardMode = persistentKeyboardMode;
      return BRL_CMD_NOOP;
    case BNC_P:
      return BRL_CMD_PASTE;
    case BNC_S:
      return BRL_CMD_SAY_LINE;
    case BNC_V: {
      unsigned int vt;
      if (getDecimalInteger(brl, &vt, 2, "virt term num")) {
        if (!vt) vt = 0X100;
        return BRL_BLK_SWITCHVT + (vt - 1);
      }
      return EOF;
    }
    case BNC_W:
      return BRL_CMD_PREFSAVE;
    case BNC_X: {
      unsigned char character;
      if (!getHexadecimalCharacter(brl, &character)) return EOF;
      return BRL_BLK_PASSCHAR + character;
    }
    case BNC_LPAREN:
      temporaryRoutingOperation = BRL_BLK_CLIP_NEW;
      return BRL_CMD_NOOP;
    case BNC_LBRACE:
      temporaryRoutingOperation = BRL_BLK_CLIP_ADD;
      return BRL_CMD_NOOP;
    case BNC_RPAREN:
      temporaryRoutingOperation = BRL_BLK_COPY_RECT;
      return BRL_CMD_NOOP;
    case BNC_RBRACE:
      temporaryRoutingOperation = BRL_BLK_COPY_LINE;
      return BRL_CMD_NOOP;
    case BNC_BAR:
      return BRL_CMD_CSRJMP_VERT;
    case BNC_QUESTION:
      return BRL_CMD_LEARN;
    case (BND_2 | BND_3 | BND_5 | BND_6):
      return BRL_BLK_PASSKEY + BRL_KEY_TAB;
    case (BND_2 | BND_3):
      return BRL_BLK_PASSKEY + BRL_KEY_CURSOR_LEFT;
    case (BND_5 | BND_6):
      return BRL_BLK_PASSKEY + BRL_KEY_CURSOR_RIGHT;
    case (BND_2 | BND_5):
      return BRL_BLK_PASSKEY + BRL_KEY_CURSOR_UP;
    case (BND_3 | BND_6):
      return BRL_BLK_PASSKEY + BRL_KEY_CURSOR_DOWN;
    case (BND_2):
      return BRL_BLK_PASSKEY + BRL_KEY_HOME;
    case (BND_3):
      return BRL_BLK_PASSKEY + BRL_KEY_END;
    case (BND_5):
      return BRL_BLK_PASSKEY + BRL_KEY_PAGE_UP;
    case (BND_6):
      return BRL_BLK_PASSKEY + BRL_KEY_PAGE_DOWN;
    case (BND_3 | BND_5):
      return BRL_BLK_PASSKEY + BRL_KEY_INSERT;
    case (BND_2 | BND_5 | BND_6):
      return BRL_BLK_PASSKEY + BRL_KEY_DELETE;
    case (BND_2 | BND_6):
      return BRL_BLK_PASSKEY + BRL_KEY_ESCAPE;
    case (BND_4):
    case (BND_4 | BND_5):
      temporaryKeyboardMode = KBM_INPUT;
      goto kbmFinish;
    case (BND_4 | BND_3):
    case (BND_4 | BND_5 | BND_3):
      temporaryKeyboardMode = KBM_INPUT_7;
      goto kbmFinish;
    case (BND_4 | BND_3 | BND_6):
    case (BND_4 | BND_5 | BND_3 | BND_6):
      temporaryKeyboardMode = KBM_INPUT_78;
      goto kbmFinish;
    case (BND_4 | BND_6):
    case (BND_4 | BND_5 | BND_6):
      temporaryKeyboardMode = KBM_INPUT_8;
    kbmFinish:
      if (dots & BND_5) persistentKeyboardMode = temporaryKeyboardMode;
      return BRL_CMD_NOOP;
  }
  return EOF;
}