static int brl_construct (BrailleDisplay *brl, char **parameters, const char *device) { { static const unsigned int baudTable[] = {9600, 19200, 0}; const char *baudParameter = parameters[PARM_BAUD]; if (!*baudParameter || !serialValidateBaud(&serialBaud, "baud", baudParameter, baudTable)) serialBaud = baudTable[0]; } if (!isSerialDeviceIdentifier(&device)) { unsupportedDeviceIdentifier(device); return 0; } if ((serialDevice = serialOpenDevice(device))) { if (serialRestartDevice(serialDevice, serialBaud)) { charactersPerSecond = serialBaud / 10; writeFunction = NULL; { static const TranslationTable outputTable = { #define MAP(byte,cell) [cell] = byte #include "brl-out.h" #undef MAP }; setOutputTable(outputTable); } { static const int initialCommands[] = { BRL_CMD_TUNES | BRL_FLG_TOGGLE_OFF, BRL_CMD_CSRTRK | BRL_FLG_TOGGLE_OFF, BRL_CMD_CSRVIS | BRL_FLG_TOGGLE_OFF, BRL_CMD_ATTRVIS | BRL_FLG_TOGGLE_OFF, EOF }; initialCommand = initialCommands; } brl->textColumns = 80; return 1; } serialCloseDevice(serialDevice); serialDevice = NULL; } return 0; }
static int brl_construct (BrailleDisplay *brl, char **parameters, const char *device) { unsigned int ttyBaud = 9600; char *ttyType = "vt100"; int windowLines = 1; int windowColumns = 40; #ifdef HAVE_ICONV_H const char *characterSet = getLocaleCharset(); #endif /* HAVE_ICONV_H */ if (!isSerialDevice(&device)) { unsupportedDevice(device); return 0; } { unsigned int baud = ttyBaud; if (serialValidateBaud(&baud, "TTY baud", parameters[PARM_BAUD], NULL)) ttyBaud = baud; } #ifdef USE_CURSES if (*parameters[PARM_TERM]) ttyType = parameters[PARM_TERM]; #endif /* USE_CURSES */ { static const int minimum = 1; static const int maximum = MAX_WINDOW_LINES; int lines = windowLines; if (validateInteger(&lines, parameters[PARM_LINES], &minimum, &maximum)) { windowLines = lines; } else { logMessage(LOG_WARNING, "%s: %s", "invalid line count", parameters[PARM_LINES]); } } { static const int minimum = 1; static const int maximum = MAX_WINDOW_COLUMNS; int columns = windowColumns; if (validateInteger(&columns, parameters[PARM_COLUMNS], &minimum, &maximum)) { windowColumns = columns; } else { logMessage(LOG_WARNING, "%s: %s", "invalid column count", parameters[PARM_COLUMNS]); } } #ifdef HAVE_ICONV_H if (*parameters[PARM_CHARSET]) characterSet = parameters[PARM_CHARSET]; #endif /* HAVE_ICONV_H */ if (*parameters[PARM_LOCALE]) classificationLocale = parameters[PARM_LOCALE]; #ifdef HAVE_ICONV_H if ((conversionDescriptor = iconv_open(characterSet, "WCHAR_T")) != (iconv_t)-1) { #endif /* HAVE_ICONV_H */ if ((ttyDevice = serialOpenDevice(device))) { if (serialRestartDevice(ttyDevice, ttyBaud)) { #ifdef USE_CURSES if ((ttyStream = serialGetStream(ttyDevice))) { if ((ttyScreen = newterm(ttyType, ttyStream, ttyStream))) { cbreak(); noecho(); nonl(); nodelay(stdscr, TRUE); intrflush(stdscr, FALSE); keypad(stdscr, TRUE); clear(); refresh(); #endif /* USE_CURSES */ brl->textColumns = windowColumns; brl->textRows = windowLines; logMessage(LOG_INFO, "TTY: type=%s baud=%u size=%dx%d", ttyType, ttyBaud, windowColumns, windowLines); return 1; #ifdef USE_CURSES } else { logSystemError("newterm"); } ttyStream = NULL; } #endif /* USE_CURSES */ } serialCloseDevice(ttyDevice); ttyDevice = NULL; } #ifdef HAVE_ICONV_H iconv_close(conversionDescriptor); } else { logSystemError("iconv_open"); } conversionDescriptor = NULL; #endif /* HAVE_ICONV_H */ return 0; }
/* the braille display can be resized without reloading the driver */ static int brl_construct(BrailleDisplay *brl, char **parameters, const char *device) { #ifdef SendIdReq unsigned char ch = '?'; int i; #endif /* SendIdReq */ int ds = BRAILLEDISPLAYSIZE; int promVersion = 4; unsigned int ttyBaud = 57600; if (*parameters[PARM_DISPSIZE]) { int dsmin=20, dsmax=40; if (!validateInteger(&ds, parameters[PARM_DISPSIZE], &dsmin, &dsmax)) logMessage(LOG_WARNING, "%s: %s", "invalid braille display size", parameters[PARM_DISPSIZE]); } if (*parameters[PARM_PROMVER]) { int pvmin=3, pvmax=6; if (!validateInteger(&promVersion, parameters[PARM_PROMVER], &pvmin, &pvmax)) logMessage(LOG_WARNING, "%s: %s", "invalid PROM version", parameters[PARM_PROMVER]); } if (*parameters[PARM_BAUD]) { unsigned int baud; if (serialValidateBaud(&baud, "TTY baud", parameters[PARM_BAUD], NULL)) { ttyBaud = baud; } } if (!isSerialDeviceIdentifier(&device)) { unsupportedDeviceIdentifier(device); return 0; } if (!(serialDevice = serialOpenDevice(device))) return 0; serialSetParity(serialDevice, SERIAL_PARITY_ODD); if (promVersion<4) serialSetFlowControl(serialDevice, SERIAL_FLOW_INPUT_CTS); serialRestartDevice(serialDevice,ttyBaud); #ifdef SendIdReq { brl_writePacket(brl,(unsigned char *) &ch,1); i=5; while (i>0) { if (brl_readPacket(brl,(unsigned char *) &terminfo,sizeof(terminfo))!=0) { if (terminfo.code=='?') { terminfo.f2[10] = '\0'; break; } } i--; } if (i==0) { logMessage(LOG_WARNING,"Unable to identify terminal properly"); if (!brl->textColumns) brl->textColumns = BRAILLEDISPLAYSIZE; } else { logMessage(LOG_INFO,"Braille terminal description:"); logMessage(LOG_INFO," version=%c%c%c",terminfo.version[0],terminfo.version[1],terminfo.version[2]); logMessage(LOG_INFO," f1=%c",terminfo.f1); logMessage(LOG_INFO," size=%c%c",terminfo.size[0],terminfo.size[1]); logMessage(LOG_INFO," dongle=%c",terminfo.dongle); logMessage(LOG_INFO," clock=%c",terminfo.clock); logMessage(LOG_INFO," routing=%c",terminfo.routing); logMessage(LOG_INFO," flash=%c",terminfo.flash); logMessage(LOG_INFO," prog=%c",terminfo.prog); logMessage(LOG_INFO," lcd=%c",terminfo.lcd); logMessage(LOG_INFO," f2=%s",terminfo.f2); if (brl->textColumns<=0) brl->textColumns = (terminfo.size[0]-'0')*10 + (terminfo.size[1]-'0'); } } #else /* SendIdReq */ brl->textColumns = ds; #endif /* SendIdReq */ brl->textRows=1; { /* The following table defines how internal brltty format is converted to */ /* VisioBraille format. */ /* The table is declared static so that it is in data segment and not */ /* in the stack */ static const TranslationTable outputTable = { #include "brl-out.h" }; setOutputTable(outputTable); } return 1; }