修复获取默认值为SANE_FIX类型时的BUG；记录打开失败时的进程日志

hgdriver/ImageProcess/ImageApplyAutoCrop.cpp

@@ -204,7 +204,7 @@ void autoCrop_desaskew_fillBlank(const cv::Mat& src, cv::Mat& dst, bool isAutoCr
 
 	cv::RotatedRect rect = hg::getBoundingRect(maxContour);
 
-#ifndef x86_64
+#ifndef x86_64 // for illegal instruction: vfmadd132ps
 	if (dispersion)
 	{
 		cv::Mat mat_dispersion = src(cv::boundingRect(maxContour));

hgdriver/hgdev/usb_manager.cpp

@@ -629,6 +629,7 @@ bool usb_io::make_singleton(void)
     str.insert(0, "\350\256\276\345\244\207\345\267\262\347\273\217\350\242\253\350\277\233\347\250\213 '");
     str += "' \345\215\240\347\224\250";
     init_err_msg_ = str;
+    VLOG_MINI_1(LOG_LEVEL_FATAL, "Open failed: %s\n", str.c_str());
 
     return false;
 }

hgsane/sane_hg_mdw.cpp

@@ -1145,8 +1145,10 @@ void* hg_sane_middleware::get_default_value(scanner_handle handle, int option)
 			double v = .0f;
 			jsn->get_value("default", v);
 
-			data = local_utility::acquire_memory(sizeof(v), "");
-			memcpy(data, &v, sizeof(v));
+			SANE_Fixed	sd = hg_sane_middleware::double_2_sane_fixed(v);
+			data = local_utility::acquire_memory(sizeof(sd), "");
+
+			memcpy(data, &sd, sizeof(sd));
 			VLOG_MINI_2(LOG_LEVEL_DEBUG_INFO, "option %d default value is: %f\n", option, v);
 		}
 		else if (val == "string")

hgsane/sane_hg_mdw.h

@@ -187,8 +187,8 @@ public:
 
 	SANE_Option_Descriptor* get_option_descriptor(SANE_Handle h, SANE_Int option);
 	SANE_Status set_option(SANE_Handle h, SANE_Int option, SANE_Action action, void* value, SANE_Int* after_do);
-	bool get_cur_value(SANE_Handle handle, int option, void* value, SANE_Value_Type* type = NULL);
-	void* get_def_value(SANE_Handle handle, int option);	// caller should call local_utility::free_memory to free the returned value
+	bool get_cur_value(SANE_Handle handle, int option, void* value, SANE_Value_Type* type = NULL);	// SANE_type
+	void* get_def_value(SANE_Handle handle, int option);	// caller should call local_utility::free_memory to free the returned value, SANE_type
 
 	// extension ...
 	SANE_Status io_control(SANE_Handle h, unsigned long code, void* data, unsigned* len);