Les Mikesell wrote: > On Wed, 2006-02-01 at 22:55, Gowri Satish Adimulam wrote: > > >>in minicom ->serial port setup i have set as >> >>ttyS3, >>baud rate 57600 8n1 which in acordance with embedded system. > > >>When my embedded systme boots up , there should be some messages >>displayed on my com port , but unfortunately its not happening. >> >>i have verified the same setup in windows using hyperterminal it is >>working fine. >> >>do i need to do any thing more in the setup. > > >>Thanks in Advance. >> >> > > >> CTRL-A Z for help | 57600 8N1 | NOR | Minicom 2.00.0 | VT102 | >>Offline > > > That 'offline' may mean something. Do you have a null modem > connecting DTR from your device to DCR on the PC comm port? > If not, can you loop the comm port's own DTR back to DCD > so it looks like a connection is active? If you use > kermit instead of minicom you can use 'set carrier off' > before the connect command to make it open the port > without waiting for DCD to be active. Minicom might have > a similar command but I don't know what it is. > You may need to go into modem setup, and change the "Modem has DCD line" to no. I would wipe out all the modem strings at the same time, and save the setup under a name like embedded. If your device does not support hardware flow control, or your cable does not have the RTS/CTS lines, you may also need to turn of hardware flow control in the port settings section before Minicom will talk to the device. Mikkel -- Do not meddle in the affairs of dragons, for thou art crunchy and taste good with Ketchup!
