Some debug log logic.

src/device/DeviceManager.cpp

@@ -12,6 +12,23 @@
 #define THROW_ERROR(errormsg)\
 TRIGGER_EVENT(GUIEvents::GUIErrorRaise, nullptr, (QObject*)&errormsg);
 
+
+const char * getStatusString(int status)
+{
+    switch (status) {
+        case SCANNING:
+            return "SCANNING";
+        case READY:
+            return "Ready";
+        case BUSY:
+            return "BUSY";
+        case ERROR:
+            return "ERROR";
+    }
+    return "";
+}
+
+
 std::string getJsonFromPatInf(QObject* obj)
 {
     return ((QString*)obj)->toStdString();
@@ -19,6 +36,7 @@ std::string getJsonFromPatInf(QObject* obj)
 
 void ErrorCallback(const char * msg)
 {
+    printf("Error Callback , message:%s\r\n", msg);
     QString m(msg);
     THROW_ERROR(m);
 }
@@ -48,6 +66,7 @@ void DeviceManager::initDevice() {
     connect(EventCenter::Default(),&EventCenter::RequestStop,[=]() {
         TRIGGER_EVENT(GUIEvents::InvokeOperationStart, nullptr, nullptr);
         StatusInfo inf = GetStatus();
+        printf("Stop request status, status:%s\r\n",getStatusString(inf.status));
         if (inf.status == SCANNING) {
             //ScanControl fail
             if (ScanControl(STOP)) {
@@ -67,6 +86,7 @@ void DeviceManager::initDevice() {
     connect(EventCenter::Default(),&EventCenter::RequestPreviewScan,[=](){
         TRIGGER_EVENT(GUIEvents::InvokeOperationStart, nullptr, nullptr);
         StatusInfo inf = GetStatus();
+        printf("PreviewScan request status, status:%s\r\n",getStatusString(inf.status));
         if (inf.status==READY)
         {
             //ScanControl
@@ -89,6 +109,7 @@ void DeviceManager::timerEvent(QTimerEvent *event) {
     if (event->timerId() !=deviceInfTimerID)
     {
         StatusInfo inf = GetStatus();
+        printf("Timer request status, status:%s\r\n",getStatusString(inf.status));
         if (inf.status==SCANNING)
         {
             lastStatus = SCANNING;
@@ -140,6 +161,7 @@ void DeviceManager::processScan(const char *json, bool empty) {
         return;
     }
     StatusInfo inf = GetStatus();
+    printf("ProcessScan request status, status:%s\r\n",getStatusString(inf.status));
     if (inf.status==READY)
     {
         //ScanControl fail