HGScannerLib增加获取设备序列号和固件版本号的接口

build/windows/HGScannerLib/HGScannerLib.def

@@ -11,6 +11,8 @@ HGLib_GetDeviceNameList
 HGLib_ReleaseDeviceNameList
 HGLib_OpenDevice
 HGLib_CloseDevice
+HGLib_GetDeviceSN
+HGLib_GetDeviceFWVersion
 HGLib_SetDeviceParam
 HGLib_GetDeviceParamGroupList
 HGLib_GetDeviceParam

sdk/scannerlib/HGLibDeviceImpl.cpp

@@ -359,6 +359,60 @@ HGBool HGLibDeviceImpl::Close()
 	return HGTRUE;
 }
 
+HGBool HGLibDeviceImpl::GetSN(HGChar* sn, HGUInt maxLen)
+{
+	if (NULL == sn || 0 == maxLen)
+	{
+		return HGFALSE;
+	}
+
+	assert(NULL != m_devHandle);
+
+	std::string serialNum;
+	unsigned int serialNumLen = 0;
+	if (SANE_STATUS_NO_MEM == sane_io_control(m_devHandle, IO_CTRL_CODE_GET_SERIAL, nullptr, &serialNumLen)
+		&& serialNumLen)
+	{
+		serialNum.resize(serialNumLen);
+		sane_io_control(m_devHandle, IO_CTRL_CODE_GET_SERIAL, &serialNum[0], &serialNumLen);
+	}
+
+	if (serialNum.empty() || maxLen < serialNum.size() + 1)
+	{
+		return HGFALSE;
+	}
+
+	strcpy(sn, serialNum.c_str());
+	return HGTRUE;
+}
+
+HGBool HGLibDeviceImpl::GetFWVersion(HGChar* fwVersion, HGUInt maxLen)
+{
+	if (NULL == fwVersion || 0 == maxLen)
+	{
+		return HGFALSE;
+	}
+
+	assert(NULL != m_devHandle);
+
+	std::string versionNum;
+	unsigned int versionNumLen = 0;
+	if (SANE_STATUS_NO_MEM == sane_io_control(m_devHandle, IO_CTRL_CODE_GET_HARDWARE_VERSION, nullptr, &versionNumLen)
+		&& versionNumLen)
+	{
+		versionNum.resize(versionNumLen);
+		sane_io_control(m_devHandle, IO_CTRL_CODE_GET_HARDWARE_VERSION, &versionNum[0], &versionNumLen);
+	}
+
+	if (versionNum.empty() || maxLen < versionNum.size() + 1)
+	{
+		return HGFALSE;
+	}
+
+	strcpy(fwVersion, versionNum.c_str());
+	return HGTRUE;
+}
+
 HGBool HGLibDeviceImpl::SetParam(HGUInt option, const HGVoid* data)
 {
 	assert(NULL != m_devHandle);

sdk/scannerlib/HGLibDeviceImpl.hpp

@@ -23,6 +23,8 @@ public:
 
 	static HGLibDeviceImpl* Open(const HGChar* deviceName);
 	HGBool Close();
+	HGBool GetSN(HGChar* sn, HGUInt maxLen);
+	HGBool GetFWVersion(HGChar* fwVersion, HGUInt maxLen);
 	HGBool SetParam(HGUInt option, const HGVoid* data);
 	HGLibDeviceParamGroup* GetParamGroupList(HGUInt* count);
 	HGLibDeviceParam* GetParam(HGUInt option);

sdk/scannerlib/HGScannerLib.cpp

@@ -129,6 +129,28 @@ HGBool HGAPI HGLib_CloseDevice(HGLibDevice device)
 	return deviceImpl->Close();
 }
 
+HGBool HGAPI HGLib_GetDeviceSN(HGLibDevice device, HGChar* sn, HGUInt maxLen)
+{
+	if (NULL == device)
+	{
+		return HGFALSE;
+	}
+
+	HGLibDeviceImpl* deviceImpl = (HGLibDeviceImpl*)device;
+	return deviceImpl->GetSN(sn, maxLen);
+}
+
+HGBool HGAPI HGLib_GetDeviceFWVersion(HGLibDevice device, HGChar* fwVersion, HGUInt maxLen)
+{
+	if (NULL == device)
+	{
+		return HGFALSE;
+	}
+
+	HGLibDeviceImpl* deviceImpl = (HGLibDeviceImpl*)device;
+	return deviceImpl->GetFWVersion(fwVersion, maxLen);
+}
+
 HGBool HGAPI HGLib_SetDeviceParam(HGLibDevice device, HGUInt option, const HGVoid* data)
 {
 	if (NULL == device)

sdk/scannerlib/HGScannerLib.h

@@ -446,6 +446,12 @@ HGEXPORT HGLibDevice HGAPI HGLib_OpenDevice(const HGChar *deviceName);
 /* 关闭设备 */
 HGEXPORT HGBool HGAPI HGLib_CloseDevice(HGLibDevice device);
 
+/* 获取设备序列号 */
+HGEXPORT HGBool HGAPI HGLib_GetDeviceSN(HGLibDevice device, HGChar *sn, HGUInt maxLen);
+
+/* 获取设备固件版本号*/
+HGEXPORT HGBool HGAPI HGLib_GetDeviceFWVersion(HGLibDevice device, HGChar* fwVersion, HGUInt maxLen);
+
 /* 设置设备参数 */
 HGEXPORT HGBool HGAPI HGLib_SetDeviceParam(HGLibDevice device, HGUInt option, const HGVoid *data);