I check /dev list
cuse loop3 sdd tty26 tty61 ttyUSB0
it is exist ,but when i use sudo minicom
it shows can not open /dev/ttyUSB0
and print U
My serial port setting is :
| A - Serial Device : /dev/ttyUSB0 |
| B - Lockfile Location : /var/lock |
| C - Callin Program : |
| D - Callout Program : |
| E - Bps/Par/Bits : 9600 8N1 |
| F - Hardware Flow Control : Yes |
| G - Software Flow Control : No |
| |
| Change which setting? |
where is wrong?Thanks a lot.