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文章目录
前言
5 呼号面板
6 用户可编程警告
7 使用SITL测试OSD
8 OSD面板列表
前言
此面板允许在机载 OSD 屏幕上显示业余无线电呼号（或任何其他单个字符串）。它将从 SD 卡根目录下名为“callsign.txt”的文件中读取字符串。
5 呼号面板
此面板允许在机载 OSD 屏幕上显示业余无线电呼号（或任何其他单个字符串）。它将从 SD 卡根目录下名为“callsign.txt”的文件中读取字符串。请注意，默认的 ardupilot 字符集需要使用大写字母才能正确显示。使用 MAVftp 是一种方便的选择，可以将文件上传到 SD 卡，而无需将其从飞行控制器中物理删除。
！Note
你将在固件 4.1 及更高版本中找到此功能。
6 用户可编程警告
可以设置多个用户定义的警告，当达到或超过警告级别时，这些警告将闪烁相应的 osd 面板项。
- OSD_W_BATVOLT-如果低于此值，电池电压面板将闪烁。0-100V，精度可达十分之一伏；
- OSD_W_RSSI-如果小于此整数百分比值，则 RSSI 面板闪烁。0-99%；
- OSD_W_NSAT-如果小于此数字，则闪烁 #Sat 面板。0-30。
7 使用SITL测试OSD
OSD 功能可以在没有自动驾驶仪或视频硬件的情况下，使用软件在环（SITL）模拟器设置进行测试(Software In The Loop (SITL) simulator)。按照 SITL 说明设置仿真环境。在当前源代码上运行模拟器。
通过在 sim_vehicle.py 中添加以下选项，可以在单独的窗口中打开图形 OSD 模拟：
--osd
现在可以通过参数设置和配置模拟 OSD。
！Tip
要查看所有可用选项，请键入：
./sim_vehicle.py -help
8 OSD面板列表
| Panel Name | Description |
| ALTITUDE | Altitude above Home |
| BAT_VOLT | Primary Battery Voltage |
| RSSI | RC Received Signal Strength |
| CURRENT | Primary Battery Current |
| BATUSED | Consumed Battery Capacity |
| SATS | Number of GPS Satellites |
| FLTMODE | Flight Mode |
| MESSAGE | GCS Messages |
| GSPEED | Ground Speed |
| HORIZON | Artificial Horizon |
| HOME | Distance and Direction to Home |
| HEADING | Magnetic Heading |
| THROTTLE | Throttle Percentage |
| COMPASS | Compass Rose |
| WIND | Wind Speed and Direction |
| ASPEED | System Airspeed |
| VSPEED | Climb Rate |
| ESCTEMP | ESC Temperature (if ESC Telem available, ESC used is selected by OSDx_ESC_IDX) |
| ESCRPM | ESC RPM (if ESC Telem available, ESC used is selected by OSDx_ESC_IDX) |
| ESCAMPS | ESC Current (if ESC Telem available, ESC used is selected by OSDx_ESC_IDX) |
| GPSLAT | GPS Latitude |
| GPSLONG | GPS Longitude |
| ROLL | Roll degrees |
| PITCH | Pitch degrees |
| TEMP | Baro Temperature |
| HDOP | GPS HDOP |
| WAYPOINT | Next Waypoint Distance and Direction |
| XTRACK | Cross Track Error |
| DIST | Total Distance Traveled |
| STATS | Statistics Summary |
| FLTIME | Elasped Time in Flight |
| CLIMBEFF | Climb Efficiency |
| EFF | Efficiency |
| BTEMP | 2nd Baro Temperature |
| ATEMP | Airspeed Temperature |
| BAT2_VLT | Second Battery Voltage |
| BAT2USED | Second Battery Consumption |
| ASPD2 | Airspeed sensor 2 |
| ASPD1 | Airspeed sensor 1 |
| CLK | Local Time of Day |
| SIDEBARS | Speed/Alt Sidebars |
| CRSSHAIR | Artificial Horizon Crosshair |
| HOMEDIST | Distance to HOME (MSPOSD only) |
| HOMEDIR | Direction to HOME (MSPOSD only) |
| POWER | Power (MSPOSD only) |
| CELLVOLT | Calculated Cell Voltage for Primary Battery (MSPOSD only) |
| BATTBAR | Battery Health Bar (MSPOSD only) |
| ARMING | Arming Status (MSPOSD only) |
| PLUSCODE | Open Location Code (if feature is enabled in firmware) |
| CALLSIGN | Callsign from SD card callsign.txt |
| CURRENT2 | 2nd Battery Current |
| VTX_PWR | Video TX power setting |
| TER_HGT | Altitude above Terrain |
| AVGCELLV | Calculated Cell Voltage for Primary Battery |
| RESTVOLT | Calculated Resting Voltage for Primary Battery |
| FENCE | FENCE enabled status |
| RNGF | Rangefinder Distance |
| ACRVOLT | Calculated Cell Resting Voltage for Primary Battery |
| LINK_Q | RC Link Quality |
| RPM | Rpm reported from RPM sensor |
| FENCE | Fence(s) enabled/disabled status |
| RC_PWR | CRSF RX link transmit power (if “OSD panels with extended link stats data” feature enabled in a custom build) |
| RSSIDBM | CRSF RSSI in dBm (if “OSD panels with extended link stats data” feature enabled in a custom build) |
| RC_SNR | CRSF RC SNR (if “OSD panels with extended link stats data” feature enabled in a custom build) |
| RC_ANT | CRSF active antenna (if “OSD panels with extended link stats data” feature enabled in a custom build) |
| RC_LQ | CRSF Link Quality (if “OSD panels with extended link stats data” feature enabled in a custom build) |