[adapter]-[Info]-[DjiAccessAdapter_Init:162) Try identify UART0 connection failed

我们的设备通过usb线连接DJ无人机的usb口,

使用Assistant2gong工具查看:

无人机型号是经纬M300 RTK ，

设备的/dev下有usb转换出来的串口:ttyACM0-ttyACM4,

具体连接如插图里,

报错信息:

osdk DjiUser_FillInUserInfo 578 returnCode = 0 <---------
[32m[1661179.833][core]-[Info]-[DjiCore_Init:95) Payload SDK Version : V3.3.0-beta.0-build.1660 [0m
[32m[1661182.402][adapter]-[Info]-[DjiAccessAdapter_Init:162) Try identify UART0 connection failed. Probably because SDK adapter or aircraft not finish init or UART connect error. [0m
[32m[1661184.988][adapter]-[Info]-[DjiAccessAdapter_Init:162) Try identify UART0 connection failed. Probably because SDK adapter or aircraft not finish init or UART connect error. [0m
[32m[1661187.561][adapter]-[Info]-[DjiAccessAdapter_Init:162) Try identify UART0 connection failed. Probably because SDK adapter or aircraft not finish init or UART connect error. [0m
[32m[1661190.114][adapter]-[Info]-[DjiAccessAdapter_Init:162) Try identify UART0 connection failed. Probably because SDK adapter or aircraft not finish init or UART connect error. [0m
[32m[1661192.698][adapter]-[Info]-[DjiAccessAdapter_Init:162) Try identify UART0 connection failed. Probably because SDK adapter or aircraft not finish init or UART connect error. [0m
[32m[1661195.252][adapter]-[Info]-[DjiAccessAdapter_Init:162) Try identify UART0 connection failed. Probably because SDK adapter or aircraft not finish init or UART connect error. [0m
[32m[1661197.822][adapter]-[Info]-[DjiAccessAdapter_Init:162) Try identify UART0 connection failed. Probably because SDK adapter or aircraft not finish init or UART connect error. [0m

osdk里添加hart init回调函数的打印发现一直在打印:

[32m[1692399.417][adapter]-[Info]-[DjiAccessAdapter_Init:162) Try identify UART0 connection failed. Probably because SDK adapter or aircraft not finish init or UART connect error. [0m
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:460800 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:115200 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:230400 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:460800 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:921600 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:1000000 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:115200 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:230400 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:460800 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:921600 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:1000000 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:115200 

111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:1000000 
[32m[1692417.287][adapter]-[Info]-[DjiAccessAdapter_Init:162) Try identify UART0 connection failed. Probably because SDK adapter or aircraft not finish init or UART connect error. [0m
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:460800 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:115200 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:230400 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:460800 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:921600 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:1000000 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:115200 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:230400 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:460800 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:921600 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:1000000 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:115200 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:230400 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:460800 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:921600 
111 osdk===>uartHandleStruct->uartFd:7 uartNum : 0  uartName:/dev/ttyACM3 baudRate:1000000 
[32m[1692419.825][adapter]-[Info]-[DjiAccessAdapter_Init:162) Try identify UART0 connection failed. Probably because SDK adapter or aircraft not finish init or UART connect error. [0m