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EHR: Add string based constructor
Signed-off-by: Adelin Dobre <adelin.dobre@rinftech.com> Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
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@ -46,6 +46,23 @@ EHR::EHR(int pin)
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m_beatCounter = 0;
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}
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EHR::EHR(std::string initStr) : mraaIo(initStr)
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{
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mraa_io_descriptor* descs = mraaIo.getMraaDescriptors();
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if(!descs->gpios) {
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throw std::invalid_argument(std::string(__FUNCTION__) +
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": mraa_gpio_init() failed, invalid pin?");
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} else {
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m_gpio = descs->gpios[0];
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}
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mraa_gpio_dir(m_gpio, MRAA_GPIO_IN);
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initClock();
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m_beatCounter = 0;
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}
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EHR::~EHR()
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{
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mraa_gpio_close(m_gpio);
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@ -27,6 +27,7 @@
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#include <stdint.h>
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#include <sys/time.h>
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#include <mraa/gpio.h>
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#include <mraa/initio.hpp>
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#include <interfaces/iHeartRate.hpp>
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namespace upm {
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@ -60,6 +61,13 @@ namespace upm {
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* @param pin Digital pin to use
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*/
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EHR(int pin);
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/**
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* Instantiates EHR Heart Rate sensor based on a given string.
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*
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* @param initStr string containing specific information for EHR initialization.
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*/
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EHR(std::string initStr);
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/**
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* EHR destructor
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*/
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@ -128,5 +136,6 @@ namespace upm {
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volatile uint32_t m_beatCounter;
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struct timeval m_startTime;
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mraa_gpio_context m_gpio;
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mraa::MraaIo mraaIo;
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};
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}
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