PSDK3.9.2 M300运行dji_sdk_demo_linux报错

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844208394

E-port USB 2.0没接负载，UART通过USB转TTL和机载AI连接，通过mobaxteram的SSH连接的机载AI。

飞行器与机载AI连接方式选择的是：

#define CONFIG_HARDWARE_CONNECTION         DJI_USE_ONLY_UART

Cmake构建之后，运行示例程序报错。

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5 comments

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  • DJI Developer Support
    您好，您可以检查下/dev/tty*下的端口和您在hal_uart.h配置的端口号是否相同，可以通过热插拔确认，不一定是USB0，您需要根据实际端口号进行修改。
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  • 844208394

    机载是jetson xavier NX，USB bulk配置可以使用提供jetson nano使用的配置文件吗

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  • DJI Developer Support
    您好，M300不需要配置bulk环境的，硬件上连接没问题即可。
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  • 844208394

    M300不支持和机载网口连接
    #define DJI_USE_ONLY_UART                  (0)
    #define DJI_USE_UART_AND_USB_BULK_DEVICE   (1)
    那这两个连接方式选择哪一个？使用DJI_USE_UART_AND_USB_BULK_DEVICE，不是要进行bulk端点配置吗？
    通过热插拔确定了端口号是USB0；在通过E-port USB2.0连接到机载USB端口，飞行器上电后，新增端口号ACM0。运行示例程序后出现（连接方式选择的是DJI_USE_ONLY_UART，DEV1为/dev/ttyUSB0，DEV2为/dev/ttyACM0）：
    [0.011][core]-[Info]-[DjiCore_Init:106) Payload SDK Version : V3.9.2-beta.0ld.2125
    [2.329][adapter]-[Info]-[DjiAccessAdapter_Init:215) Try identify UART0 connon failed. Probably because SDK adapter or aircraft not finish init or UARTnect error.
    [4.706][adapter]-[Info]-[DjiAccessAdapter_Init:215) Try identify UART0 connon failed. Probably because SDK adapter or aircraft not finish init or UARTnect error.
    [7.093][adapter]-[Info]-[DjiAccessAdapter_Init:215) Try identify UART0 connon failed. Probably because SDK adapter or aircraft not finish init or UARTnect error.
    [9.495][adapter]-[Info]-[DjiAccessAdapter_Init:215) Try identify UART0 connon failed. Probably because SDK adapter or aircraft not finish init or UARTnect error.
    [11.906][adapter]-[Info]-[DjiAccessAdapter_Init:215) Try identify UART0 conion failed. Probably because SDK adapter or aircraft not finish init or UARnnect error.
    [14.328][adapter]-[Info]-[DjiAccessAdapter_Init:215) Try identify UART0 conion failed. Probably because SDK adapter or aircraft not finish init or UARnnect error.
    [16.753][adapter]-[Info]-[DjiAccessAdapter_Init:215) Try identify UART0 conion failed. Probably because SDK adapter or aircraft not finish init or UARnnect error.
    [19.191][adapter]-[Info]-[DjiAccessAdapter_Init:215) Try identify UART0 conion failed. Probably because SDK adapter or aircraft not finish init or UARnnect error.
    [21.636][adapter]-[Info]-[DjiAccessAdapter_Init:215) Try identify UART0 conion failed. Probably because SDK adapter or aircraft not finish init or UARnnect error.
    [21.636][adapter]-[Error]-[DjiAccessAdapter_Init:220) Try identify UART0 cotion timeout. Probably because SDK adapter or aircraft not finish init or Uconnect error.
    [21.636][core]-[Error]-[DjiCore_Init:126) Access adapter init error, stat:2
    [21.636][user]-[Error]-[main:131) Core init error
    请问是什么问题呢？

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  • DJI Developer Support
    您好，选DJI_USE_UART_AND_USB_BULK_DEVICE即可，M300做Device设备，开发板不需要配置BULK环境，您线缆连接正确即可使用。 关于报错，这个是找不到与飞机通信的端口，请问您使用的串口是FT232还是其他型号？建议使用FT232，另外注意RX TX不要反接，可以交换这两个引脚再尝试下。
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