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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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4
src/ecs1030/ecs1030.cxx
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@ -59,6 +59,8 @@ ECS1030::getCurrency_A () {
for (int i = 0; i < NUMBER_OF_SAMPLES; i++) {
sensorValue = mraa_aio_read (m_dataPinCtx);
if (sensorValue == -1) throw std::runtime_error(std::string(__FUNCTION__) +
": Failed to do an aio read.");
volt = (VOLT_M * sensorValue) - 2.5;
volt = volt * volt;
rms = rms + volt;
@ -77,6 +79,8 @@ ECS1030::getCurrency_B () {
for (int i = 0; i < NUMBER_OF_SAMPLES; i++) {
m_lastSample = m_sample;
m_sample = mraa_aio_read (m_dataPinCtx);
if (m_sample == -1) throw std::runtime_error(std::string(__FUNCTION__) +
": Failed to do an aio read.");
m_lastFilter = m_filteredSample;
m_filteredSample = 0.996 * (m_lastFilter + m_sample - m_lastSample);
sumCurrency += (m_filteredSample * m_filteredSample);