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About COM ports:

When using the C++ Universal SDK with VP5300 via RS232, turn off the external LCD messages (to remove the redundant LCD messages).    It can be done by sending the NEO command 0x01-05 with the data 0x1105 by Windows USDK demo.  I believe the customer had problem connecting to VP5300 by RS232 on C++ demo, because the port number was wrong.  Please note that the port number (used by both Windows and Linux) is not the COM number.  Normally the port number is the COM number subtracted by 1 for Windows.  Please see the table below:

 

port nr.Linuxwindows
0ttyS0COM1
1ttyS1COM2
2ttyS2COM3
3ttyS3COM4
4ttyS4COM5
5ttyS5COM6
6ttyS6COM7
7ttyS7COM8
8ttyS8COM9
9ttyS9COM10
10ttyS10COM11
11ttyS11COM12
12ttyS12COM13
13ttyS13COM14
14ttyS14COM15
15ttyS15COM16
16ttyUSB0n.a.
17ttyUSB1n.a.
18ttyUSB2n.a.
19ttyUSB3n.a.
20ttyUSB4n.a.
21ttyUSB5n.a.
22ttyAMA0n.a.
23ttyAMA1n.a.
24ttyACM0n.a.
25ttyACM1n.a.
26rfcomm0n.a.
27rfcomm1n.a.
28ircomm0n.a.
29ircomm1n.a.
30cuau0n.a.
31cuau1n.a.
32cuau2n.a.
33cuau3n.a.
34cuaU0n.a.
35cuaU1n.a.
36cuaU2n.a.
37cuaU3n.a.


So if VP5300 is on COM11 under Windows, the port number will be 10.