X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=src%2FW1TemperatureSensor.cc;h=5f954cfaa1403923fd58f639128510a2288ee33b;hb=9e569babf7e271015fedac3b7153d9035ff17ee0;hp=a2b53375a954a4ed7e542675180cdbe5db1e6330;hpb=f61cc31d6bd16c50ca5900eebc5760bcb61a8bcc;p=lib1wire.git

diff --git a/src/W1TemperatureSensor.cc b/src/W1TemperatureSensor.cc
index a2b5337..5f954cf 100644
--- a/src/W1TemperatureSensor.cc
+++ b/src/W1TemperatureSensor.cc
@@ -5,68 +5,96 @@
  *      Author: lamikr
  */
 #include <fstream>
-#include <vector>
 #include <iostream>
+#include <sstream>
+#include <iomanip>
+
+#include <plp/log.h>
 
 #include "W1TemperatureSensor.hh"
 
 using namespace std;
 using namespace w1;
 
-W1TemperatureSensor::W1TemperatureSensor(dirent *direntry, int family_code_param, string id_param): W1Device(direntry, family_code_param, id_param) {
-	ifstream ifs(slave_file.c_str());
-	if (ifs.is_open() == false) {
-		string text;
+#define CONST_UNIT_CELCIUS	"C"
+
+template <class NumberDataType>
+bool string_to_number(NumberDataType& result,
+                 const std::string& string_param,
+                 std::ios_base& (*format)(std::ios_base&))
+{
+	std::istringstream iss(string_param);
+	return !(iss >> format >> result).fail();
+}
 
-		text	= get_time() + ": device type = temperature sensor, id = " + id + ", could not read file: " + slave_file;
-		cout << text << endl;
-		cout << "verify that you have w1_therm kernel module loaded" << endl;
+double convert_w1_temperature_to_celcius(string raw_value,
+				int *err_flg) {
+	bool	suc_flg;
+	double	dbl_val;
+
+	dbl_val	= 0;
+	suc_flg	= string_to_number<double>(dbl_val, raw_value, dec);
+	if (suc_flg == true) {
+		dbl_val		= dbl_val / 1000;
+		*err_flg	= 0;
+/*
+		std::ostringstream out;
+		out << fixed << setprecision(3) << dbl_val;
+		ret_val	= out.str();
+*/
 	}
 	else {
-		ifs.close();
+		log_error("Failed to convert temperature %s to celcius value.", raw_value.c_str());
+		*err_flg	= 1;
 	}
+	return dbl_val;
 }
 
-W1TemperatureSensor::~W1TemperatureSensor() {
+W1TemperatureSensor::W1TemperatureSensor(string device_id_param,
+		string device_type_param,
+		dirent *direntry_param): W1Device(device_id_param, device_type_param, direntry_param) {
+	ifstream ifs(slave_file.c_str());
+	if (ifs.is_open() == false) {
+		log_error("%s: %s failed to read data from file: %s\n", id.c_str(), get_type().c_str(), slave_file.c_str());
+		log_error("Verify that you have w1_therm kernel module loaded.\n");
+		ifs.close();
+	}
 }
 
-bool W1TemperatureSensor::is_supported_family_code(int family_code) {
-	bool	ret_val;
-
-	ret_val	= false;
-	switch(family_code) {
-		case 0x10:
-		case 0x28:
-			ret_val	= true;
-			break;
-	}
-	return ret_val;
+W1TemperatureSensor::~W1TemperatureSensor() {
+	log_debug("destructor\n");
 }
 
-string W1TemperatureSensor::get_value() {
-	vector<string>	text_file;
-	string 			temp;
-	string			ret_val;
-	string			last_line;
-	int				pos;
-	int				length;
+vector<double> *W1TemperatureSensor::get_raw_data() {
+	vector<double>	*ret_val;
+	string		tmp_str;
+	string		val_str;
+	double		val_dbl;
+	int		pos;
+	int		b_cnt;
+	int		err_flg;
 
-	ret_val	= "<could not read>";
+	ret_val	= NULL;
+	err_flg	= 0;
 	ifstream ifs(slave_file.c_str());
 	if (ifs.is_open() == true) {
-		while(getline(ifs, temp)) {
-			if (temp.length() > 0) {
-				last_line	= temp;
-				//cout << ret_val << endl;
+		while(getline(ifs, tmp_str)) {
+			if (tmp_str.empty() == false) {
+				val_str	= tmp_str;
 			}
 		}
 		ifs.close();
-		length	= last_line.length();
-		if (length > 0) {
-			pos		= last_line.find("t=");
+		b_cnt	= val_str.length();
+		if (b_cnt > 0) {
+			pos	= val_str.find("t=");
 			if ((pos >= 0) &&
-				(pos + 2 < length)) {
-				ret_val	= last_line.substr(pos + 2);
+			    ((pos + 2) < b_cnt)) {
+				val_str	= val_str.substr(pos + 2);
+				val_dbl	= convert_w1_temperature_to_celcius(val_str, &err_flg);
+				if (err_flg == 0) {
+					ret_val	= new vector<double>();
+					ret_val->push_back(val_dbl);
+				}
 			}
 		}
 	}
@@ -74,12 +102,9 @@ string W1TemperatureSensor::get_value() {
 }
 
 string W1TemperatureSensor::get_unit() {
-	return "C";
+	return CONST_UNIT_CELCIUS;
 }
 
-void W1TemperatureSensor::printout() {
-	string text;
-
-	text	= get_time() + ": device type = temperature sensor, id = " + id + ", value = " + get_value();
-	cout << text << endl;
+unsigned int W1TemperatureSensor::get_data_decimal_precision() {
+	return 3;
 }