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No. 49 Re: ezl-80 problem with ezSerialConfig 2005-10-28

Do you have EZL-80 or EZL-80c?
EZL-80c has a CF connector for wireless LAN card.
But don't worry about it, Those behavior is same.
(I will call it EZL-80 from now on.)

You should use RXD0 and TXD0 for serial communication.
EZL-80 outputs to TXD0 following message if it boots up without wireless LAN card.

700 EZL-80/AVR64 SCFG v1.0 Sollae Systems

So please check with hypherterminal that is PC application.
(The serial setting values are 115200bps, 8 data bits, 1 stop bit, no parity, no flowcontrol)

If there is no message from TXD0.
1. check TXD0 of EZL-80 with an oscilloscope when EZL-80 boots up.
2. check RS232 driver's output to PC with an oscilloscope when EZL-80 boots up.
3. check #2 pin of PC COM port that you connect with an oscilloscope when EZL-80 boots up.


> Brad Benjamin wrote:
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~
> We connected the EZL-80 to our PC using a serial cable. We tried using the RS232-level serial and then made a cable to convert it to TTL-level.
>
> We open the ezSerialConfig program and with the EZL-80 in the right mode (powered, no PCMCIA card connected) we pressed the only available button 'Read'.
>
> This is what it prints out in a pop up box:
> 1. opening COM1 port (this is correct, we can use it for other things)
> 2. reading ezTCP's environment variables...
> 3. No 'respone' from ezTCP. Check serial port, cable connection, power supply, and console mode.
>
> -- We are using the right port, the cable is connected to the EZL-80 properly, and the proper power levels are measured. We do not know what is meant by checking console mode.
>
> Without any way to even begin setting variables within the ezSerialConfig program, we cannot even start our project. Your support is needed, thanks!
>
>
>

Writer Sollae Systems Company