NEW: release DJI Payload-SDK version 3.0

Signed-off-by: DJI-Martin <DJI-Martin@dji.com>

samples/sample_c/module_sample/gimbal_emu/test_payload_gimbal_emu.h

@@ -0,0 +1,58 @@
+/**
+ ********************************************************************
+ * @file    test_payload_gimbal_emu.h
+ * @brief   This is the header file for "test_payload_gimbal_emu.c", defining the structure and
+ * (exported) function prototypes.
+ *
+ * @copyright (c) 2021 DJI. All rights reserved.
+ *
+ * All information contained herein is, and remains, the property of DJI.
+ * The intellectual and technical concepts contained herein are proprietary
+ * to DJI and may be covered by U.S. and foreign patents, patents in process,
+ * and protected by trade secret or copyright law.  Dissemination of this
+ * information, including but not limited to data and other proprietary
+ * material(s) incorporated within the information, in any form, is strictly
+ * prohibited without the express written consent of DJI.
+ *
+ * If you receive this source code without DJI’s authorization, you may not
+ * further disseminate the information, and you must immediately remove the
+ * source code and notify DJI of its removal. DJI reserves the right to pursue
+ * legal actions against you for any loss(es) or damage(s) caused by your
+ * failure to do so.
+ *
+ *********************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef TEST_PAYLOAD_GIMBAL_EMU_H
+#define TEST_PAYLOAD_GIMBAL_EMU_H
+
+/* Includes ------------------------------------------------------------------*/
+#include "dji_typedef.h"
+#include "dji_gimbal.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Exported constants --------------------------------------------------------*/
+
+
+/* Exported types ------------------------------------------------------------*/
+
+
+/* Exported functions --------------------------------------------------------*/
+T_DjiReturnCode DjiTest_GimbalStartService(void);
+
+T_DjiReturnCode DjiTest_GimbalDeInit(void);
+T_DjiReturnCode DjiTest_GimbalRotate(E_DjiGimbalRotationMode rotationMode,
+                                     T_DjiGimbalRotationProperty rotationProperty,
+                                     T_DjiAttitude3d rotationValue); // unit if angle control: 0.1 degree, unit if speed control: 0.1 degree/s
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // TEST_PAYLOAD_GIMBAL_EMU_H
+
+/************************ (C) COPYRIGHT DJI Innovations *******END OF FILE******/