Linux custom baudrate not work Linux下设置自定义波特率不起作用

[itas109]

Describe the bug
Linux custom baudrate not work
Linux下设置自定义波特率不起作用

To Reproduce

CSerialPort sp;
sp.init("/dev/ttyS0", 100);
sp.open();
bool isOpen = sp.isOpen();

isOpen is true, but receive data is messy code
isOpen返回成功，但接收是乱码

Expected behavior
isOpen is true, receive normal
isOpen返回成功，且接收正常

Desktop (please complete the following information):

• OS: ubuntu 22.04
• Compiler: g++ 11.3.0
• Version: 4.3.0