IO Exception (13): Permission denied,file/tmp/binarydeb/ros-noetic-serial-1.2.1/src/impl/unix.cc, line151.[ERROR] [1705845384.528602780]: Unable to open port 这是usb权限不够的原因 我们首先查看接口设备: highlighter- awk ls/dev/tty* 我们发现插入的usb名字为ttyUSB0 然后我们给他赋予权限: high...
//设置要打开的串口名称 sp.setPort("/dev/ttyUSB0"); //设置串口通信的波特率 sp.setBaudrate(9600); //串口设置timeout sp.setTimeout(to); try { //打开串口 sp.open(); } catch(serial::IOException& e) { ROS_ERROR_STREAM("Unable to open port."); return -1; } //判断串口是否打开成...
_serial.setBaudrate(115200); serial::Timeout to = serial::Timeout::simpleTimeout(1000); _serial.setTimeout(to); _serial.open(); ROS_INFO_STREAM("Port has been open successfully"); } catch (serial::IOException& e) { ROS_ERROR_STREAM("Unable to open port"); return -1; } if (_...
my_serial.setPort("/dev/ttyUSB1"); my_serial.setBaudrate(115200); serial::Timeout to= serial::Timeout::simpleTimeout(1000); my_serial.setTimeout(to);try{ my_serial.open(); }catch(serial::IOException &e) { ROS_ERROR_STREAM("Unable to open port");return-1; }if(my_serial.isOpen...
fatal: unable to access 'https://github.com/microsoft/vcpkg/': OpenSSL SSL_read: SSL_ERROR_SYSCALL, errno 10054 系统找不到指定的路径。 '.\bootstrap-vcpkg.bat' 不是内部或外部命令,也不是可运行的程序或批处理文件。 The upgrade of ros-vcpkg was successful. Software install location not explici...
ROS_ERROR_STREAM("Unable to send data through serial port"); //如果发送数据失败,打印错误信息 } 四、通信报文格式 在ROS与STM32通信时,要事先约定一个通信的数据包格式,这样通信双方才可以把收到的信息提取出来。 我这里测试用的格式如下,最终实现单片机直接把收到的消息返回给上位机端进行输出: ...
cout<<"unable to open ser"<<std::endl;return-1;}catch(std::invalid_argument&e){std::cout<<"std::invalid_argument"<<std::endl;return-1;}catch(serial::SerialException&e){std::cout<<"serial::SerialException"<<std::endl;return-1;}//检查串口if(ser.isOpen()){std::cout<<"ser open"...
try{Stm32_Serial.write(Send_Data.tx,sizeof(Send_Data.tx));//通过串口向下位机发送数据}catch(serial::IOException&e){ROS_ERROR_STREAM("Unable to send data through serial port");//如果发送数据失败,打印错误信息} 四、通信报文格式 在ROS与STM32通信时,要事先约定一个通信的数据包格式,这样通信双...
try{Stm32_Serial.write(Send_Data.tx,sizeof(Send_Data.tx));//Sends data to the downloader via serial port //通过串口向下位机发送数据}catch(serial::IOException& e){ROS_ERROR_STREAM("Unable to send data through serial port");//If sen...
Unable to launch realsense2_camera on Raspberry Pi 4 B. Details I followed these instruction for installing librealsense:https://dev.intelrealsense.com/docs/compiling-librealsense-for-linux-ubuntu-guide and I believe I was able to install it correctly (I didn't see any errors). ...