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 ((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))) {
if (serialRestartDevice(serialDevice, serialBaud)) {
serialCharactersPerSecond = serialBaud / serialGetCharacterBits(serialDevice);
/* hm, how to switch to 38400 ?
static const unsigned char sequence[] = {ESC, 'V', CR};
writeData(brl, sequence, sizeof(sequence));
serialDiscardInput(serialDevice);
serialSetBaud(serialDevice, 38400);
*/
{
static const DotsTable dots = {
0X01, 0X02, 0X04, 0X80, 0X40, 0X20, 0X08, 0X10
};
makeOutputTable(dots);
}
clearCells(textCells, sizeof(textCells));
clearCells(statusCells, sizeof(statusCells));
resetInputMode();
cursorDots = 0XFF;
cursorOffset = sizeof(textCells) / 2;
brl->textColumns = sizeof(textCells);
brl->textRows = 1;
brl->statusColumns = sizeof(statusCells);
brl->statusRows = 1;
beep(brl);
return 1;
}
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 ((brl->data = malloc(sizeof(*brl->data)))) {
memset(brl->data, 0, sizeof(*brl->data));
brl->data->gioEndpoint = NULL;
if (connectResource(brl, device)) {
unsigned char response[MAXIMUM_RESPONSE_SIZE];
if (probeBrailleDisplay(brl, PROBE_RETRY_LIMIT,
brl->data->gioEndpoint, PROBE_INPUT_TIMEOUT,
writeIdentityRequest,
readPacket, &response, sizeof(response),
isIdentityResponse)) {
{
const KeyTableDefinition *ktd = &KEY_TABLE_DEFINITION(all);
brl->keyBindings = ktd->bindings;
brl->keyNameTables = ktd->names;
}
{
static const DotsTable dots = {
0X01, 0X04, 0X10, 0X02, 0X08, 0X20, 0X40, 0X80
};
makeOutputTable(dots);
}
brl->textColumns = MAXIMUM_CELL_COUNT;
brl->data->forceRewrite = 1;
return 1;
}
gioDisconnectResource(brl->data->gioEndpoint);
}
free(brl->data);
} else {
logMallocError();
}
return 0;
}
static int vbinit() {
if (enablePorts(LOG_ERR, LPTPORT, 3)) {
if (enablePorts(LOG_ERR, 0X80, 1)) {
makeOutputTable(dotsTable_ISO11548_1);
{
unsigned char alldots[40];
memset(alldots, 0XFF, 40);
vbdisplay(alldots);
}
return 0;
}
disablePorts(LPTPORT, 3);
}
logMessage(LOG_ERR, "Error: must be superuser");
return -1;
}
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) {
if (!isSerialDevice(&device)) {
unsupportedDevice(device);
return 0;
}
if ((serialDevice = serialOpenDevice(device))) {
static const unsigned int baud = 9600;
charactersPerSecond = baud / 10;
if (serialRestartDevice(serialDevice, baud)) {
if (identifyDisplay(brl)) {
{
static const DotsTable dots = {
0X01, 0X02, 0X04, 0X10, 0X20, 0X40, 0X08, 0X80
};
makeOutputTable(dots);
}
if ((outputBuffer = malloc(brl->textColumns))) {
if (setTable(brl, 0)) {
memset(outputBuffer, 0, brl->textColumns);
writeCells(brl);
return 1;
}
free(outputBuffer);
outputBuffer = NULL;
} else {
logSystemError("Output buffer allocation");
}
}
}
serialCloseDevice(serialDevice);
serialDevice = NULL;
}
return 0;
}
static int brl_construct (BrailleDisplay *brl, char **parameters, const char *device) {
short n, success; /* loop counters, flags, etc. */
unsigned char *init_seq = (unsigned char *)"\002\0330"; /* string to send to Braille to initialise: [ESC][0] */
unsigned char *init_ack = (unsigned char *)"\002\033V"; /* string to expect as acknowledgement: [ESC][V]... */
unsigned char c;
TimePeriod period;
if (!isSerialDevice(&device)) {
unsupportedDevice(device);
return 0;
}
brlcols = -1; /* length of braille display (auto-detected) */
prevdata = rawdata = NULL; /* clear pointers */
/* No need to load translation tables, as these are now
* defined in tables.h
*/
/* Now open the Braille display device for random access */
if (!(MB_serialDevice = serialOpenDevice(device))) goto failure;
if (!serialRestartDevice(MB_serialDevice, BAUDRATE)) goto failure;
if (!serialSetFlowControl(MB_serialDevice, SERIAL_FLOW_HARDWARE)) goto failure;
/* MultiBraille initialisation procedure:
* [ESC][V][Braillelength][Software Version][CR]
* I guess, they mean firmware version with software version :*}
* firmware version == [Software Version] / 10.0
*/
success = 0;
if (init_seq[0])
if (serialWriteData (MB_serialDevice, init_seq + 1, init_seq[0]) != init_seq[0])
goto failure;
startTimePeriod (&period, ACK_TIMEOUT); /* initialise timeout testing */
n = 0;
do {
approximateDelay (20);
if (serialReadData (MB_serialDevice, &c, 1, 0, 0) == 0)
continue;
if (n < init_ack[0] && c != init_ack[1 + n])
continue;
if (n == init_ack[0]) {
brlcols = c, success = 1;
/* reading version-info */
/* firmware version == [Software Version] / 10.0 */
serialReadData (MB_serialDevice, &c, 1, 0, 0);
logMessage (LOG_INFO, "MultiBraille: Version: %2.1f", c/10.0);
/* read trailing [CR] */
serialReadData (MB_serialDevice, &c, 1, 0, 0);
}
n++;
}
while (!afterTimePeriod (&period, NULL) && n <= init_ack[0]);
if (success && (brlcols != 25)) {
if ((prevdata = malloc(brl->textColumns * brl->textRows))) {
if ((rawdata = malloc(20 + (brl->textColumns * brl->textRows * 2)))) {
brl->textColumns = brlcols;
brl->textRows = BRLROWS;
brl->statusColumns = 5;
brl->statusRows = 1;
{
static const DotsTable dots = {
0X01, 0X02, 0X04, 0X80, 0X40, 0X20, 0X08, 0X10
};
makeOutputTable(dots);
}
return 1;
} else {
logMallocError();
}
free(prevdata);
} else {
logMallocError();
}
}
failure:
if (MB_serialDevice) {
serialCloseDevice(MB_serialDevice);
MB_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;
}
