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hx711: remove custom exception and use a standard one

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Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
This commit is contained in:
Jon Trulson 2015-08-07 15:52:39 -06:00 committed by Mihai Tudor Panu
parent 66d688bc90
commit 97e7f74a8f
1 changed files with 9 additions and 11 deletions
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20
src/hx711/hx711.cxx
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@ -24,39 +24,37 @@
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <stdexcept>
#include "hx711.h"
using namespace upm;
using namespace std;
struct HX711Exception : public std::exception {
std::string message;
HX711Exception (std::string msg) : message (msg) { }
~HX711Exception () throw () { }
const char* what() const throw () { return message.c_str(); }
};
HX711::HX711(uint8_t data, uint8_t sck, uint8_t gain) {
mraa_result_t error = MRAA_SUCCESS;
this->m_dataPinCtx = mraa_gpio_init(data);
if (this->m_dataPinCtx == NULL) {
throw HX711Exception ("Couldn't initilize DATA pin.");
throw std::invalid_argument(std::string(__FUNCTION__) +
": Couldn't initialize DATA pin.");
}
this->m_sckPinCtx = mraa_gpio_init(sck);
if (this->m_sckPinCtx == NULL) {
throw HX711Exception ("Couldn't initilize CLOCK pin.");
throw std::invalid_argument(std::string(__FUNCTION__) +
": Couldn't initialize CLOCK pin.");
}
error = mraa_gpio_dir (this->m_dataPinCtx, MRAA_GPIO_IN);
if (error != MRAA_SUCCESS) {
throw HX711Exception ("Couldn't set direction for DATA pin.");
throw std::invalid_argument(std::string(__FUNCTION__) +
": Couldn't set direction for DATA pin.");
}
error = mraa_gpio_dir (this->m_sckPinCtx, MRAA_GPIO_OUT);
if (error != MRAA_SUCCESS) {
throw HX711Exception ("Couldn't set direction for CLOCK pin.");
throw std::invalid_argument(std::string(__FUNCTION__) +
": Couldn't set direction for CLOCK pin.");
}
this->setGain(gain);