static int
brl_construct (BrailleDisplay *brl, char **parameters, const char *device) {
if ((brl->data = malloc(sizeof(*brl->data)))) {
memset(brl->data, 0, sizeof(*brl->data));
brl->data->brailleDevice = -1;
#ifdef KEYBOARD_DEVICE_NAME
brl->data->keyboardDevice = -1;
#endif /* KEYBOARD_DEVICE_NAME */
if (openBrailleDevice(brl, device)) {
logBrailleVersion(brl);
#ifdef KEYBOARD_DEVICE_NAME
if (openKeyboardDevice(brl)) {
#endif /* KEYBOARD_DEVICE_NAME */
if (clearBrailleCells(brl)) {
#ifdef KEYBOARD_DEVICE_NAME
{
const KeyTableDefinition *ktd = &KEY_TABLE_DEFINITION(all);
brl->keyBindings = ktd->bindings;
brl->keyNames = ktd->names;
}
#endif /* KEYBOARD_DEVICE_NAME */
brl->textColumns = BRAILLE_CELL_COUNT;
makeOutputTable(dotsTable_ISO11548_1);
brl->data->forceRewrite = 1;
return 1;
}
#ifdef KEYBOARD_DEVICE_NAME
closeKeyboardDevice(brl);
}
#endif /* KEYBOARD_DEVICE_NAME */
closeBrailleDevice(brl);
}
free(brl->data);
} else {
logMallocError();
}
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;
}