static int
brl_construct (BrailleDisplay *brl, char **parameters, const char *device) {
if (!isSerialDevice(&device)) {
unsupportedDevice(device);
return 0;
}
if ((serialDevice = serialOpenDevice(device))) {
if (serialRestartDevice(serialDevice, serialBaud)) {
static const unsigned char request[] = {BNO_DESCRIBE};
charactersPerSecond = serialBaud / 10;
if (writePacket(brl, request, sizeof(request)) != -1) {
while (serialAwaitInput(serialDevice, 100)) {
ResponsePacket response;
int size = getPacket(&response);
if (size) {
if (response.data.code == BNI_DESCRIBE) {
statusCells = response.data.values.description.statusCells;
brl->textColumns = response.data.values.description.textCells;
brl->textRows = 1;
brl->keyBindings = "keys";
if ((statusCells == 5) && (brl->textColumns == 30)) {
statusCells -= 2;
brl->textColumns += 2;
}
dataCells = brl->textColumns * brl->textRows;
cellCount = statusCells + dataCells;
makeOutputTable(dotsTable_ISO11548_1);
makeInputTable();
if ((cellBuffer = malloc(cellCount))) {
memset(cellBuffer, 0, cellCount);
statusArea = cellBuffer;
dataArea = statusArea + statusCells;
refreshCells(brl);
persistentKeyboardMode = KBM_NAVIGATE;
temporaryKeyboardMode = persistentKeyboardMode;
persistentRoutingOperation = BRL_BLK_ROUTE;
temporaryRoutingOperation = persistentRoutingOperation;
return 1;
} else {
logSystemError("cell buffer allocation");
}
} else {
logUnexpectedPacket(response.bytes, size);
}
}
}
}
}
serialCloseDevice(serialDevice);
serialDevice = NULL;
}
return 0;
}
static int
brl_construct (BrailleDisplay *brl, char **parameters, const char *device) {
if (connectResource(device)) {
ResponsePacket response;
if (probeBrailleDisplay(brl, 0, gioEndpoint, 100,
writeIdentifyRequest,
readResponse, &response, sizeof(response),
isIdentityResponse)) {
statusCells = response.data.values.description.statusCells;
brl->textColumns = response.data.values.description.textCells;
brl->textRows = 1;
if ((statusCells == 5) && (brl->textColumns == 30)) {
statusCells -= 2;
brl->textColumns += 2;
}
dataCells = brl->textColumns * brl->textRows;
cellCount = statusCells + dataCells;
{
const KeyTableDefinition *ktd = &KEY_TABLE_DEFINITION(all);
brl->keyBindings = ktd->bindings;
brl->keyNameTables = ktd->names;
}
makeOutputTable(dotsTable_ISO11548_1);
makeInputTable();
if ((cellBuffer = malloc(cellCount))) {
memset(cellBuffer, 0, cellCount);
statusArea = cellBuffer;
dataArea = statusArea + statusCells;
refreshCells(brl);
return 1;
} else {
logSystemError("cell buffer allocation");
}
}
disconnectResource();
}
return 0;
}
static int
brl_construct (BrailleDisplay *brl, char **parameters, const char *device) {
if (!isSerialDevice(&device)) {
unsupportedDevice(device);
return 0;
}
if ((serialDevice = serialOpenDevice(device))) {
unsigned int baud = 19200;
charactersPerSecond = baud / 11;
if (serialRestartDevice(serialDevice, baud)) {
if (serialSetParity(serialDevice, SERIAL_PARITY_EVEN)) {
if (writePacket(brl, 4, NULL, 0)) {
while (serialAwaitInput(serialDevice, 500)) {
unsigned char response[3];
int size = readPacket(brl, response, sizeof(response));
if (size <= 0) break;
if (response[1] == 4) {
brl->textColumns = response[2];
brl->textRows = 1;
makeOutputTable(dotsTable_ISO11548_1);
makeInputTable();
if (!clearBrailleCells(brl)) break;
if (!clearVisualText(brl)) break;
if (!writeBrailleCells(brl)) break;
return 1;
}
}
}
}
}
serialCloseDevice(serialDevice);
serialDevice = NULL;
}
return 0;
}
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;
}
static int
brl_construct(BrailleDisplay *brl, char **parameters, const char *device)
{
if(*parameters[PARM_DEVICE])
braille_config(BRL_DEVICE, parameters[PARM_DEVICE]);
if(*parameters[PARM_DRIVER])
braille_config(BRL_DRIVER, parameters[PARM_DRIVER]);
if(*parameters[PARM_TABLE])
braille_config(BRL_TABLE, parameters[PARM_TABLE]);
if(braille_init())
{
logMessage(LOG_INFO, "Libbraille Version: %s", braille_info(BRL_VERSION));
#ifdef BRL_PATH
logMessage(LOG_DEBUG, "Libbraille Installation Directory: %s", braille_info(BRL_PATH));
#endif /* BRL_PATH */
#ifdef BRL_PATHCONF
logMessage(LOG_DEBUG, "Libbraille Configuration Directory: %s", braille_info(BRL_PATHCONF));
#endif /* BRL_PATHCONF */
#ifdef BRL_PATHTBL
logMessage(LOG_DEBUG, "Libbraille Tables Directory: %s", braille_info(BRL_PATHTBL));
#endif /* BRL_PATHTBL */
#ifdef BRL_PATHDRV
logMessage(LOG_DEBUG, "Libbraille Drivers Directory: %s", braille_info(BRL_PATHDRV));
#endif /* BRL_PATHDRV */
logMessage(LOG_INFO, "Libbraille Table: %s", braille_info(BRL_TABLE));
logMessage(LOG_INFO, "Libbraille Driver: %s", braille_info(BRL_DRIVER));
logMessage(LOG_INFO, "Libbraille Device: %s", braille_info(BRL_DEVICE));
logMessage(LOG_INFO, "Display Type: %s", braille_info(BRL_TERMINAL));
logMessage(LOG_INFO, "Display Size: %d", braille_size());
brl->textColumns = braille_size(); /* initialise size of display */
brl->textRows = 1;
{
static const DotsTable dots = {
BRAILLE(1, 0, 0, 0, 0, 0, 0, 0),
BRAILLE(0, 1, 0, 0, 0, 0, 0, 0),
BRAILLE(0, 0, 1, 0, 0, 0, 0, 0),
BRAILLE(0, 0, 0, 1, 0, 0, 0, 0),
BRAILLE(0, 0, 0, 0, 1, 0, 0, 0),
BRAILLE(0, 0, 0, 0, 0, 1, 0, 0),
BRAILLE(0, 0, 0, 0, 0, 0, 1, 0),
BRAILLE(0, 0, 0, 0, 0, 0, 0, 1)
};
makeOutputTable(dots);
makeInputTable();
}
braille_timeout(100);
return 1;
}
else
{
logMessage(LOG_DEBUG, "Libbraille initialization erorr: %s", braille_geterror());
}
return 0;
}
