1 files changed, 18 insertions, 11 deletions

diff --git a/src/Device/Device.cpp b/src/Device/Device.cpp
index be198f1..2d93ed7 100644
--- a/src/Device/Device.cpp
+++ b/src/Device/Device.cpp
@@ -56,8 +56,8 @@ std::map<std::string, bool> Device::capabilityList = {
     {"userDataEncryption", false}};
 
 std::map<std::string, std::string> Device::ethSwitchList;
-std::string Device::extIoStr;
-std::string Device::serialStr;
+std::string Device::extIoStr = "{\"dInputs\":[],\"dOutputs\":[]}";;
+std::string Device::serialStr = "[]";
 
 std::map<std::string, std::string> Device::deviceInfoList = {
     {"deviceId", ""},
@@ -725,9 +725,8 @@ int Device::getPinValue(const std::string &name) {
     if (code == 0) {
         if (fileData == "1") {
             return 1;
-        } else {
-            return 0;
-        }
+        };
+        return 0;
     }
     printError("cat: can't open %s%s: %s",
         SYSFS_PLATFORM, name.c_str(),strerror(errno));
@@ -897,6 +896,8 @@ void Device::storeOutputStateToNonvolatile(const std::string& name, const std::s
 void Device::setSerialModesMTR3(const std::string &parameter, const std::string &value) {
     std::vector<std::string> parts = MTS::Text::split(parameter, '/');
     if (parts.size() < 2) {
+        // it is not a serial things, return and compare to other options
+        // serial things look like `serial1/mode'
         return;
     }
     const std::string &serialName = parts[0];
@@ -917,16 +918,20 @@ void Device::setSerialModesMTR3(const std::string &parameter, const std::string
         if (value == SERIAL_MODE_RS485) {
             store(CONTROL_PIN_SERIAL_MODE, "1");
         }
-        exitHandler(0);
     } else if (mode == SERIAL_TERMINATION) {
         store(CONTROL_PIN_TERMINATION, value);
-        exitHandler(0);
+    } else {
+        printError("Unknown mode: %s", mode.c_str());
+        exitHandler(98);
     }
+    exitHandler(0);
 }
 
 void Device::showSerialModesMTR3(const std::string &parameter) {
     std::vector<std::string> parts = MTS::Text::split(parameter, '/');
     if (parts.size() < 2) {
+        // it is not a serial things, return and compare to other options
+        // serial things look like `serial1/mode'
         return;
     }
     const std::string &serialName = parts[0];
@@ -943,11 +948,13 @@ void Device::showSerialModesMTR3(const std::string &parameter) {
         } else {
             std::cout << SERIAL_MODE_RS232 << std::endl;
         }
-        exitHandler(0);
     } else if (mode == SERIAL_TERMINATION) {
         std::cout << getPinValue(CONTROL_PIN_TERMINATION) << std::endl;
-        exitHandler(0);
+    } else {
+        printError("Unknown mode: %s", mode.c_str());
+        exitHandler(98);
     }
+    exitHandler(0);
 }
 
 void Device::setProgramName(const std::string &name){
@@ -955,9 +962,9 @@ void Device::setProgramName(const std::string &name){
 }
 
 void Device::setHWVersion(){
-    std::ifstream is(HW_VERSION_FILE);
+    std::ifstream is(HW_VERSION_PATH);
     if (!is.is_open()) {
-        printDebug("Can't read to %s: %s", HW_VERSION_FILE, strerror(errno));
+        printDebug("Can't read to %s: %s", HW_VERSION_PATH, strerror(errno));
         return;
     }
     std::getline(is, hw_version);