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ADS1X15: 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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@ -26,6 +26,7 @@
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#include "ads1015.hpp"
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#include "mraa/i2c.hpp"
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#include "upm_string_parser.hpp"
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using namespace upm;
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@ -55,6 +56,46 @@ ADS1015::ADS1015(int bus, uint8_t address, float vref) : ADS1X15(bus, address) {
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setGain(GAIN_SIXTEEN);
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}
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ADS1015::ADS1015(std::string initStr) : ADS1X15(initStr)
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{
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float vref;
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m_name = "ADS1015";
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m_conversionDelay = ADS1015_CONVERSIONDELAY;
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m_bitShift = 4;
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ADS1X15::getCurrentConfig();
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std::string leftoverString = ADS1X15::getLeftoverStr();
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std::vector<std::string> upmTokens;
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if(!leftoverString.empty())
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{
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upmTokens = UpmStringParser::parse(mraaIo->getLeftoverStr());
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}
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for (std::string tok : upmTokens)
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{
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if(tok.substr(0,5) == "vref:")
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{
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vref = std::stof(tok.substr(5));
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}
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}
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if (vref < 0.0 || vref > 6.144)
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UPM_THROW("vref out of range");
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else if (vref > 4.096)
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setGain(GAIN_TWOTHIRDS);
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else if (vref > 2.048)
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setGain(GAIN_ONE);
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else if (vref > 1.024)
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setGain(GAIN_TWO);
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else if (vref > 0.512)
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setGain(GAIN_FOUR);
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else if (vref > 0.256)
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setGain(GAIN_EIGHT);
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else
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setGain(GAIN_SIXTEEN);
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}
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ADS1015::~ADS1015(){};
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const char*
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@ -126,6 +126,13 @@ namespace upm {
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*/
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ADS1015 (int bus, uint8_t address = 0x48, float vref = ADS1015_VREF);
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/**
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* Instantiates ADS1015 converter based on a given string.
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*
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* @param initStr string containing specific information for ADS1015 converter initialization.
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*/
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ADS1015(std::string initStr);
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/**
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* ADS1X15 destructor
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*/
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@ -22,6 +22,7 @@
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "ads1115.hpp"
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#include "upm_string_parser.hpp"
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using namespace upm;
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@ -32,6 +33,13 @@ ADS1115::ADS1115(int bus, uint8_t address) : ADS1X15(bus, address) {
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ADS1X15::getCurrentConfig();
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}
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ADS1115::ADS1115(std::string initStr) : ADS1X15(initStr) {
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m_name = "ADS1115";
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m_conversionDelay = ADS1115_CONVERSIONDELAY;
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m_bitShift = 0;
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ADS1X15::getCurrentConfig();
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}
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ADS1115::~ADS1115(){};
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void
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@ -123,6 +123,13 @@ namespace upm {
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*/
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ADS1115 (int bus, uint8_t address = 0x48);
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/**
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* Instantiates ADS1115 converter based on a given string.
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*
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* @param initStr string containing specific information for ADS1115 converter initialization.
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*/
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ADS1115(std::string initStr);
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/**
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* ADS1X15 destructor
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*/
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@ -25,6 +25,7 @@
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#include "ads1x15.hpp"
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#include "mraa/i2c.hpp"
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#include "upm_string_parser.hpp"
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#include <unistd.h>
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#include <syslog.h>
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@ -33,26 +34,88 @@ using namespace upm;
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ADS1X15::ADS1X15(int bus, uint8_t address){
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if(!(i2c = new mraa::I2c(bus))){
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throw std::invalid_argument(std::string(__FUNCTION__) +": I2c.init() failed");
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return;
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}
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if(!(i2c = new mraa::I2c(bus))){
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throw std::invalid_argument(std::string(__FUNCTION__) +": I2c.init() failed");
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return;
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}
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if((i2c->address(address) != mraa::SUCCESS)){
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throw std::runtime_error(std::string(__FUNCTION__) + ": I2c.address() failed");
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return;
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}
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if((i2c->address(address) != mraa::SUCCESS)){
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throw std::runtime_error(std::string(__FUNCTION__) + ": I2c.address() failed");
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return;
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}
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if(i2c->frequency( mraa::I2C_FAST) != mraa::SUCCESS){
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syslog(LOG_WARNING, "%s: I2c.frequency(I2C_FAST) failed, using default speed", std::string(__FUNCTION__).c_str());
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}
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//Will be reset by sub class.
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m_bitShift = 0;
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m_conversionDelay = .001;
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m_config_reg = 0x0000;
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if(i2c->frequency( mraa::I2C_FAST) != mraa::SUCCESS){
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syslog(LOG_WARNING, "%s: I2c.frequency(I2C_FAST) failed, using default speed", std::string(__FUNCTION__).c_str());
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}
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//Will be reset by sub class.
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m_bitShift = 0;
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m_conversionDelay = .001;
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m_config_reg = 0x0000;
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}
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ADS1X15::~ADS1X15(){}
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ADS1X15::ADS1X15(std::string initStr)
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{
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mraaIo = new mraa::MraaIo(initStr);
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if(mraaIo == NULL)
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{
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throw std::invalid_argument(std::string(__FUNCTION__) + ": Failed to allocate memory for internal member");
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}
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if(!mraaIo->i2cs.empty())
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{
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i2c = &mraaIo->i2cs[0];
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}
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else
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{
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throw std::invalid_argument(std::string(__FUNCTION__) +": I2c.init() failed");
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}
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if(i2c->frequency( mraa::I2C_FAST) != mraa::SUCCESS){
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syslog(LOG_WARNING, "%s: I2c.frequency(I2C_FAST) failed, using default speed", std::string(__FUNCTION__).c_str());
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}
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//Will be reset by sub class.
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m_bitShift = 0;
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m_conversionDelay = .001;
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m_config_reg = 0x0000;
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std::vector<std::string> upmTokens;
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if(!mraaIo->getLeftoverStr().empty()) {
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upmTokens = UpmStringParser::parse(mraaIo->getLeftoverStr());
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}
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std::string::size_type sz;
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for (std::string tok : upmTokens) {
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if(tok.substr(0,12) == "setCompMode:") {
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bool mode = std::stoi(tok.substr(12),nullptr,0);
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setCompMode(mode);
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}
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if(tok.substr(0,11) == "setCompPol:") {
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bool mode = std::stoi(tok.substr(11),nullptr,0);
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setCompPol(mode);
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}
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if(tok.substr(0,13) == "setCompLatch:") {
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bool mode = std::stoi(tok.substr(13),nullptr,0);
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setCompLatch(mode);
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}
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if(tok.substr(0,14) == "setContinuous:") {
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bool mode = std::stoi(tok.substr(14),nullptr,0);
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setContinuous(mode);
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}
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if(tok.substr(0,21) == "updateConfigRegister:") {
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uint16_t update = std::stoi(tok.substr(21),&sz,0);
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tok = tok.substr(21);
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bool read = std::stoi(tok.substr(sz+1),nullptr,0);
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updateConfigRegister(update,read);
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}
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}
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}
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ADS1X15::~ADS1X15(){
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delete mraaIo;
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}
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float
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ADS1X15::getSample(ADSMUXMODE mode){
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@ -185,4 +248,9 @@ ADS1X15::swapWord(uint16_t value){
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return ((res & 0xFF) << 8) | ((res >> 8 ) & 0xFF);
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}
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std::string
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ADS1X15::getLeftoverStr(){
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return mraaIo->getLeftoverStr();
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}
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@ -26,6 +26,7 @@
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#include <iostream>
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#include <string>
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#include <mraa/initio.hpp>
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namespace mraa {class I2c;}
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@ -216,6 +217,13 @@ namespace upm {
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*/
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ADS1X15(int bus, uint8_t address);
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/**
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* Instantiates ADS1X15 family controlers based on a given string.
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*
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* @param initStr string containing specific information for ADS1X15 family controlers initialization.
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*/
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ADS1X15(std::string initStr);
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/**
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* ADS1X15 destructor
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*/
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@ -406,6 +414,11 @@ namespace upm {
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*/
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void setThresh(ADSTHRESH reg = THRESH_DEFAULT , float value = 0.0);
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/**
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* Get upm parameters for converter initialization
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*/
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std::string getLeftoverStr();
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protected:
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std::string m_name;
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float m_conversionDelay;
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@ -419,6 +432,7 @@ namespace upm {
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void updateConfigRegister(uint16_t update, bool read = false);
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uint16_t swapWord(uint16_t value);
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mraa::MraaIo* mraaIo = NULL;
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mraa::I2c* i2c;
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};}
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