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This is a combination of 2 commits.

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aio: mraa_aio_read (v1.0.0) can now return -1, treat that in sensors using it

Adds alot of exceptions if the aio read goes wrong

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
Signed-off-by: Noel Eck <noel.eck@intel.com>
This commit is contained in:
Brendan Le Foll
2016-04-25 14:29:41 +01:00
committed by Noel Eck
parent f6816797bb
commit e51c5f3018
17 changed files with 64 additions and 11 deletions
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7
src/enc03r/enc03r.cxx
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@ -51,7 +51,10 @@ ENC03R::~ENC03R()
unsigned int ENC03R::value()
{
return mraa_aio_read(m_aio);
int x = mraa_aio_read(m_aio);
if (x == -1) throw std::out_of_range(std::string(__FUNCTION__) +
": Failed to do an aio read.");
return (unsigned int) x;
}
void ENC03R::calibrate(unsigned int samples)
@ -62,6 +65,8 @@ void ENC03R::calibrate(unsigned int samples)
for (int i=0; i<samples; i++)
{
val = mraa_aio_read(m_aio);
if (val == -1) throw std::out_of_range(std::string(__FUNCTION__) +
": Failed to do an aio read.");
total += (float)val;
usleep(2000);
}