3.2.2 Creating and deleting user accounts.................................................................................. 18
3.2.3 Disable the default user account..........................................................................................18
3.3 Network administration and system administration...................................................................19
3.3.1 Web management based on IEOS.......................................................................................19
3.3.2 Linux-based command-line management....................................................................... 35
4 Advanced configuration of the peripheral interface ...............................................................................41
4.1 Serial Ports................................................................................................................................................41
4.1.1 Change the serial port Settings.............................................................................................41
4.1.2 View the serial port information........................................................................................... 44
4.1.3 Set the baud rate of COM1 serial port............................................................................... 44
4.2 the USB interface....................................................................................................................................45
4.3 Mount the micro SD card.................................................................................................................... 45
4.4 CAN bus interface.................................................................................................................................. 45
4.4.1 Configure the connection CAN interface...........................................................................45
4.5 IO Debugging..........................................................................................................................................46
5 Security...................................................................................................................................................................47
5.1 sudo mechanism........................................................................................................................... 47
5.2 Firewalls............................................................................................................................................47
5.3 TPM2.0..............................................................................................................................................48
6 The system restores factory Settings............................................................................................................48
6.1 Restore factory Settings..............................................................................................................48
7 Programming Guidelines..................................................................................................................................49
7.1 IO Programming Guide ........................................................................................................................53
7.2 Led Programming Guide ..................................................................................................................... 54
7.3 Cross-compiling..................................................................................................................................... 57