bool
PowerTapDevice::doWrite(CommPortPtr dev, char c, bool hwecho, QString &err)
{
if (PT_DEBUG) printf("writing '%c' to device\n", c);
int n = dev->write(&c, 1, err);
if (n != 1) {
if (n < 0)
err = QString(tr("failed to write %1 to device: %2")).arg(c).arg(err);
else
err = QString(tr("timeout writing %1 to device")).arg(c);
return false;
}
if (hwecho) {
char c;
int n = dev->read(&c, 1, err);
if (n != 1) {
if (n < 0)
err = QString(tr("failed to read back hardware echo: %2")).arg(err);
else
err = tr("timeout reading back hardware echo");
return false;
}
}
return true;
}
bool
MacroPacket::write(CommPortPtr dev, QString &err)
{
const char *msg = cEscape(data(), payload.count()+2).toLatin1().constData();
if (MACRO_DEBUG) printf("writing '%s' to device\n", msg);
int n = dev->write(data(), payload.count()+2, err);
if (n != payload.count()+2) {
if (n < 0) {
if (MACRO_DEBUG) printf("failed to write %s to device: %s\n", msg, err.toLatin1().constData());
err = QString(tr("failed to write to device: %1")).arg(err);
}
else {
if (MACRO_DEBUG) printf("timeout writing %s to device\n", msg);
err = QString(tr("timeout writing to device"));
}
return false;
}
if (MACRO_DEBUG) printf("writing to device ok\n");
return true;
}
