From 91c623896442013d82f59e6e06e70523e9046b8c Mon Sep 17 00:00:00 2001
From: sdesai <sdesai@multitech.com>
Date: Thu, 23 Mar 2023 16:37:24 -0500
Subject: Support Portal Case #5086148: use Cellular Radio time as alternative
 to GPS or NTP

---
 src/MTS_IO_CellularRadio.cpp | 29 +++++++++++++++--------------
 src/MTS_IO_QuectelRadio.cpp  |  4 ++--
 2 files changed, 17 insertions(+), 16 deletions(-)

(limited to 'src')

diff --git a/src/MTS_IO_CellularRadio.cpp b/src/MTS_IO_CellularRadio.cpp
index 0b90b55..bc1fee1 100644
--- a/src/MTS_IO_CellularRadio.cpp
+++ b/src/MTS_IO_CellularRadio.cpp
@@ -580,9 +580,9 @@ ICellularRadio::CODE CellularRadio::getTime(std::string& sDate, std::string& sTi
     std::vector<std::string> vTimeParts;
     std::string sSign = "+";
 
-    if(setTimeFormat() == FAILURE) {
+    if (setTimeFormat() == FAILURE) {
         printWarning("%s| Unable to set Time Parameters for radio [%s]", m_sName.c_str());
-        return FAILURE;;
+        return FAILURE;
     }
 
     std::string sCmd("AT+CCLK?");
@@ -601,13 +601,13 @@ ICellularRadio::CODE CellularRadio::getTime(std::string& sDate, std::string& sTi
         sValue = MTS::Text::strip(sValue, '"');
 
         std::vector<std::string> vParts = MTS::Text::split(sValue, ',');
-        if(vParts.size() != 2) {
+        if (vParts.size() != 2) {
             printWarning("%s| Unable to parse Date from response [%s]", m_sName.c_str(), sResult.c_str());
             return FAILURE;
         }
 
         std::vector<std::string> vDateParts = MTS::Text::split(vParts[0], '/');
-        if(vDateParts.size() != 3) {
+        if (vDateParts.size() != 3) {
             printWarning("%s| Unable to parse Date parts from response [%s]", m_sName.c_str(), sResult.c_str());
             return FAILURE;
         }
@@ -622,32 +622,33 @@ ICellularRadio::CODE CellularRadio::getTime(std::string& sDate, std::string& sTi
         size_t nsign = sTime.find("-");
 
         if (psign != std::string::npos) {
-           vTimeParts = MTS::Text::split(vParts[1], '+');
+            vTimeParts = MTS::Text::split(vParts[1], '+');
         } else if (nsign != std::string::npos) {
             vTimeParts = MTS::Text::split(vParts[1], '-');
             sSign = "-";
+        } else {
+            sSign = "";
         }
 
-        if(vTimeParts.size() != 2) {
+        if (vTimeParts.size() != 2) {
             printWarning("%s| Unable to parse Time Zone from response [%s], size %d", m_sName.c_str(), sResult.c_str(),vTimeParts.size());
             return FAILURE;
         }
 
-        //Get just the UTC time without zone info
+        //Get local time
         sTime = (vTimeParts[0]);
 
-        int32_t iZoneUnits = stoi(vTimeParts[1]); //the difference, expressed in quarters of an hour, between the local time and GMT
+        int32_t iZoneUnits = 0; //the difference, expressed in quarters of an hour, between the local time and GMT
+        if (!MTS::Text::parse(iZoneUnits, vTimeParts[1])) {
+            printWarning("%s| Unable to parse Time Zone units from response [%s], size %d", m_sName.c_str(), sResult.c_str(),vTimeParts.size());
+            return FAILURE;
+        }
         int32_t iZone = iZoneUnits/4;  //Divide by 4 to get hours difference
         int32_t iZonePartial = (iZoneUnits % 4) * 15;  //Remainder in minutes
 
-        if (iZonePartial < 0) {
-            //Remove negative sign from partial and clear sign component
-            iZonePartial *= -1;
-            sSign = "";
-        }
         std::stringstream ss;
         ss << sSign << iZone;
-        if(iZonePartial != 0) {
+        if (iZonePartial != 0) {
             ss << ":" << iZonePartial;
         }
 
diff --git a/src/MTS_IO_QuectelRadio.cpp b/src/MTS_IO_QuectelRadio.cpp
index 2bc4fb6..defe863 100644
--- a/src/MTS_IO_QuectelRadio.cpp
+++ b/src/MTS_IO_QuectelRadio.cpp
@@ -1676,7 +1676,7 @@ const std::vector<std::string>& QuectelRadio::getDiagCommands(bool) {
     return vCommands;
 }
 
-ICellularRadio::CODE QuectelRadio::setTimeFormat(void) {
+ICellularRadio::CODE QuectelRadio::setTimeFormat() {
     printTrace("%s| Set standard time format",  getName().c_str());
     ICellularRadio::CODE rc;
     // Set year format in YYYY first, in case it is in YY format to get accurate year
@@ -1689,7 +1689,7 @@ ICellularRadio::CODE QuectelRadio::setTimeFormat(void) {
     }
 
     // Set command enables the automatic time zone update
-    std::string sCmdCTZU("AT+CTZU=3");
+    std::string sCmdCTZU("AT+CTZU=1");
     rc = sendBasicCommand(sCmdCTZU);
 
     if (rc != SUCCESS) {
-- 
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