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BH1792: Add string based constructor

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Signed-off-by: Adelin Dobre <adelin.dobre@rinftech.com>
This commit is contained in:
Adelin Dobre 2018-11-02 15:55:46 +02:00 committed by Stefan Andritoiu
parent 0e4560d021
commit 113e510459
2 changed files with 91 additions and 1 deletions
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80
src/bh1792/bh1792.cxx
View File

@ -25,6 +25,7 @@
#include <iostream>
#include <stdexcept>
#include "bh1792.hpp"
#include "upm_string_parser.hpp"
using namespace upm;
@ -35,6 +36,85 @@ BH1792::BH1792(int bus, int addr) : m_bh1792(bh1792_init(bus, addr))
"bh1792_init() failed");
}
BH1792::BH1792(std::string initStr) : mraaIo(initStr)
{
mraa_io_descriptor* descs = mraaIo.getMraaDescriptors();
std::vector<std::string> upmTokens;
if(!mraaIo.getLeftoverStr().empty()) {
upmTokens = UpmStringParser::parse(mraaIo.getLeftoverStr());
}
m_bh1792 = (bh1792_context)malloc(sizeof(struct _bh1792_context));
if(!m_bh1792) {
throw std::runtime_error(std::string(__FUNCTION__) +
"bh1792_init() failed");
}
m_bh1792->i2c = NULL;
m_bh1792->interrupt = NULL;
if(mraa_init() != MRAA_SUCCESS) {
bh1792_close(m_bh1792);
throw std::runtime_error(std::string(__FUNCTION__) +
"bh1792_init() failed");
}
if(!descs->i2cs) {
bh1792_close(m_bh1792);
throw std::runtime_error(std::string(__FUNCTION__) +
": mraa_i2c_init() failed");
} else {
if( !(m_bh1792->i2c = descs->i2cs[0]) ) {
bh1792_close(m_bh1792);
throw std::runtime_error(std::string(__FUNCTION__) +
": mraa_i2c_init() failed");
}
}
if(bh1792_check_who_am_i(m_bh1792) != UPM_SUCCESS)
throw std::runtime_error(std::string(__FUNCTION__) +
"bh1792_init() failed");
m_bh1792->enabled = false;
m_bh1792->isrEnabled = false;
m_bh1792->sync_thread_alive = false;
std::string::size_type sz;
for(std::string tok : upmTokens) {
if(tok.substr(0, 20) == "SetGreenLedsCurrent:") {
uint16_t current = std::stoul(tok.substr(20), &sz, 0);
SetGreenLedsCurrent(current);
}
if(tok.substr(0, 16) == "SetIrLedCurrent:") {
uint16_t current = std::stoul(tok.substr(16), &sz, 0);
SetIrLedCurrent(current);
}
if(tok.substr(0, 15) == "SetIrThreshold:") {
uint16_t current = std::stoul(tok.substr(15), &sz, 0);
SetIrThreshold(current);
}
if(tok.substr(0, 15) == "EnableSyncMode:") {
uint16_t measFreq = std::stoul(tok.substr(15), &sz, 0);
tok = tok.substr(15);
uint16_t green_current = std::stoul(tok.substr(sz+1), nullptr, 0);
EnableSyncMode(measFreq, green_current);
}
if(tok.substr(0, 18) == "EnableNonSyncMode:") {
uint16_t ir_current = std::stoul(tok.substr(18), &sz, 0);
tok = tok.substr(18);
uint16_t threshold = std::stoul(tok.substr(sz+1), nullptr, 0);
EnableNonSyncMode(ir_current, threshold);
}
if(tok.substr(0, 17) == "EnableSingleMode:") {
LED_TYPES led_type = (LED_TYPES)std::stoi(tok.substr(17), &sz, 0);
tok = tok.substr(17);
uint16_t current = std::stoul(tok.substr(sz+1), nullptr, 0);
EnableSingleMode(led_type, current);
}
}
}
BH1792::~BH1792()
{
bh1792_close(m_bh1792);

12
src/bh1792/bh1792.hpp
View File

@ -27,6 +27,7 @@
#include <vector>
#include <string>
#include "bh1792.h"
#include <mraa/initio.hpp>
/**
* @brief BH1792 Heart Rate Sensor
@ -61,6 +62,14 @@ namespace upm {
*/
BH1792(int bus = 0, int addr = 0x5b);
/**
* Instantiates BH1792 Heart Rate Sensor based on a given string.
*
* @param initStr string containing specific information for BH1792 initialization.
*/
BH1792(std::string initStr);
/**
* @brief Close and free sensor
*/
@ -316,9 +325,10 @@ namespace upm {
private:
bh1792_context m_bh1792;
mraa::MraaIo mraaIo;
/* Disable implicit copy and assignment operators */
BH1792(const BH1792 &) = delete;
BH1792 &operator=(const BH1792 &) = delete;
};
}
}