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));
if (connectResource(brl, device)) {
unsigned char response[MAXIMUM_RESPONSE_SIZE];
if (probeBrailleDisplay(brl, PROBE_RETRY_LIMIT, NULL, PROBE_INPUT_TIMEOUT,
writeIdentityRequest,
readPacket, &response, sizeof(response),
isIdentityResponse)) {
setBrailleKeyTable(brl, &KEY_TABLE_DEFINITION(all));
MAKE_OUTPUT_TABLE(0X01, 0X04, 0X10, 0X02, 0X08, 0X20, 0X40, 0X80);
brl->textColumns = MAXIMUM_CELL_COUNT;
brl->data->forceRewrite = 1;
return 1;
}
disconnectBrailleResource(brl, NULL);
}
free(brl->data);
} else {
logMallocError();
}
return 0;
}
static int
getCellCount (BrailleDisplay *brl, unsigned int *count) {
InputPacket response;
if (probeBrailleDisplay(brl, 2, NULL, 1000,
writeCellCountRequest,
readBytes, &response, sizeof(response.bytes),
isCellCountResponse)) {
*count = response.data.data;
return 1;
}
return brl->data->protocol->getDefaultCellCount(brl, count);
}
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;
}
