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Added default constructor for comedi::subdevice, and added missing wrapper

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for comedi_cancel().
This commit is contained in:
Frank Mori Hess 2007-10-12 21:22:05 +00:00
parent e8ad2b3498
commit bdbd1ab792
1 changed files with 14 additions and 0 deletions
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14
c++/include/comedilib.hpp
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@ -167,6 +167,8 @@ namespace comedi
class subdevice
{
public:
subdevice(): _index(-1)
{}
subdevice(const device &dev, unsigned subdevice_index):
_device(dev), _index(subdevice_index)
{
@ -191,6 +193,18 @@ namespace comedi
}
return retval;
}
void cancel()
{
int retval = comedi_cancel(comedi_handle(), index());
if(retval < 0)
{
std::ostringstream message;
message << __PRETTY_FUNCTION__ << ": comedi_cancel() failed, return value=" << retval << " .";
std::cerr << message.str() << std::endl;
comedi_perror("comedi_cancel");
throw std::runtime_error(message.str());
}
}
lsampl_t data_read(unsigned channel, unsigned range, unsigned aref) const
{
lsampl_t value;