增加获取设备osd接口getDeviceOsd

sample/src/main/java/com/dji/sample/manage/controller/DeviceController.java

@@ -346,4 +346,23 @@ public class DeviceController {
         return HttpResultResponse.success(deviceInfoTotal);
     }
 
+    /**
+     * Get the real-time OSD data of a device from Redis cache.
+     * Returns different OSD structures depending on device type:
+     * - Dock (domain=3): OsdDock (contains modeCode: Idle/Debugging/Working etc.)
+     * - Drone (domain=0): OsdDockDrone or OsdRcDrone (contains modeCode, lat/lng, altitude, speed, battery etc.)
+     * - Remote Controller (domain=2): OsdRemoteControl (contains lat/lng, height etc.)
+     * @param workspaceId
+     * @param deviceSn
+     * @return OSD data object
+     */
+    @GetMapping("/{workspace_id}/devices/{device_sn}/osd")
+    public HttpResultResponse getDeviceOsd(@PathVariable("workspace_id") String workspaceId,
+                                           @PathVariable("device_sn") String deviceSn) {
+        Optional<Object> osdOpt = deviceService.getDeviceOsd(workspaceId, deviceSn);
+        return osdOpt.isEmpty()
+                ? HttpResultResponse.error("Device OSD data not found. The device may be offline, not reporting data, or not belong to this workspace.")
+                : HttpResultResponse.success(osdOpt.get());
+    }
+
 }
\ No newline at end of file

sample/src/main/java/com/dji/sample/manage/service/IDeviceService.java

@@ -294,4 +294,14 @@ public interface IDeviceService extends IService<DeviceEntity> {
 
     DeviceDetailCountDTO getDeviceInfoTotal(String workspaceId);
 
+    /**
+     * Get the OSD real-time data of the device from Redis.
+     * Automatically determines the device type (Dock, Drone, RC) and returns the corresponding OSD data.
+     * Validates that the device belongs to the specified workspace.
+     * @param workspaceId
+     * @param deviceSn
+     * @return OSD data object, or empty if device not found or no OSD data
+     */
+    Optional<Object> getDeviceOsd(String workspaceId, String deviceSn);
+
 }
\ No newline at end of file

sample/src/main/java/com/dji/sample/manage/service/impl/DeviceServiceImpl.java

@@ -1042,6 +1042,39 @@ public class DeviceServiceImpl extends ServiceImpl<IDeviceMapper, DeviceEntity>
     }
 
     @Override
+    public Optional<Object> getDeviceOsd(String workspaceId, String deviceSn) {
+        Optional<DeviceDTO> deviceOpt = getDeviceBySn(deviceSn);
+        if (deviceOpt.isEmpty()) {
+            return Optional.empty();
+        }
+        DeviceDTO device = deviceOpt.get();
+        // Validate that the device belongs to the specified workspace
+        if (!workspaceId.equals(device.getWorkspaceId())) {
+            log.warn("Device {} does not belong to workspace {}", deviceSn, workspaceId);
+            return Optional.empty();
+        }
+        DeviceDomainEnum domain = device.getDomain();
+        if (domain == null) {
+            return Optional.empty();
+        }
+        switch (domain) {
+            case DOCK:
+                return deviceRedisService.getDeviceOsd(deviceSn, OsdDock.class).map(osd -> osd);
+            case DRONE:
+                // Try DockDrone first, then RcDrone
+                Optional<OsdDockDrone> dockDrone = deviceRedisService.getDeviceOsd(deviceSn, OsdDockDrone.class);
+                if (dockDrone.isPresent()) {
+                    return dockDrone.map(osd -> osd);
+                }
+                return deviceRedisService.getDeviceOsd(deviceSn, OsdRcDrone.class).map(osd -> osd);
+            case REMOTER_CONTROL:
+                return deviceRedisService.getDeviceOsd(deviceSn, OsdRemoteControl.class).map(osd -> osd);
+            default:
+                return Optional.empty();
+        }
+    }
+
+    @Override
     public Boolean checkDockDrcMode(String dockSn) {
 
         if (CUSTOM_DOCK_LIST.contains(dockSn) || dockSn.contains("12345")) {

sample/src/main/java/com/dji/sample/manage/service/impl/SDKDeviceService.java

@@ -264,6 +264,7 @@ public class SDKDeviceService extends AbstractDeviceService {
         }
 
         OsdRemoteControl data = request.getData();
+        deviceRedisService.setDeviceOsd(from, data);
         deviceService.pushOsdDataToPilot(device.getWorkspaceId(), from,
                 new DeviceOsdHost()
                         .setLatitude(data.getLatitude())
@@ -297,6 +298,7 @@ public class SDKDeviceService extends AbstractDeviceService {
         }
 
         OsdRcDrone data = request.getData();
+        deviceRedisService.setDeviceOsd(from, data);
         deviceService.pushOsdDataToPilot(device.getWorkspaceId(), from,
                 new DeviceOsdHost()
                         .setLatitude(data.getLatitude())