Serial How To
Kiwkwai is fitted with a female DB9 RS232 connector and acts as a DCE (sends data on pin 2, receives on pin 3). A straight cable is required to connect kwikwai to the serial port of a PC.
Serial communication configuration
- Serial settings
- Baud rate is 38400bps
- No parity bits
- 8 data bits
- 1 stop bit
- no flow control
- FTDI drivers can be found here
- XP : For once, it might be simpler than another platform. The only thing you need is HyperTerminal and the FTDI driver installed.
- Vista / Windows 7 : HyperTerminal is no more part of the delivery.
Mac OS X
as usual with the MAC, there are (too) many ways to do the same thing. The solutions are going from the nice GUI to the good old command line. Here is a quick list of some solutions we tried:
- CoolTerm : Simple, works well but not appropriate for the firmware upgrade
- ZTerm : old but still working, and appropriate for the firmware upgrade
- the screen command line (monitoring only)
- Use the following screen command in terminal to view serial data within the OS X terminal.
screen /dev/tty.usbserial-XXXXXXX 38400
- To quit, type control-A, then control-\. (for US keyboard)
- To quit, type control-A, then control-$. (for CHFR keyboard)
- the minicom command line
- Install port
- install minicom using the following command
sudo port install minicom
- run minicom using the following command
More about Serial Communication in OSX Terminal here.