static int
brl_writeWindow (BrailleDisplay *brl, const wchar_t *text) {
if (cellsHaveChanged(dataArea, brl->buffer, dataCells, NULL, NULL, NULL)) {
refreshCells(brl);
}
return 1;
}
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;
}
void relaxationShape::refreshSigma()
{
refreshCells();
if (refreshIndexSigma_ != mesh_.time().timeIndex())
{
computeSigmaCoordinate();
}
refreshIndexSigma_ = mesh_.time().timeIndex();
}
static void
writePrompt (BrailleDisplay *brl, const char *prompt) {
int length = strlen(prompt);
int index = 0;
if (length > dataCells) length = dataCells;
while (index < length) {
dataArea[index] = convertCharacterToDots(textTable, (unsigned char)prompt[index]);
++index;
}
while (index < dataCells) dataArea[index++] = 0;
refreshCells(brl);
}
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 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);
}
}
