Comunication

Sadao Fujiwara-san

So hear the problem i finaly have everthing together and the program is written. i plug it in and low and behold the comp is convinced that the serial port is in use. wtf. so i call tech and after awile we come to the conclusion that the prot is dead. is there anything to do?

allanlane5

Buy a good USB to Serial adapter? FTDI and Keyspan both make good ones.

Sadao Fujiwara-san

yeah thats what tech suport said i was just looking for possible cheaper ways

Morrolan

hook something else up to your serial port, and check it that way?

Also, look through the control panel and device manager, and make sure your ports are configured correctly. Another good check is modems - some modems "claim & lock" a port, refusing to allow anything else to use it.

That's the best way, and don't always trust tech support!

I should know, it's my job!

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Flying is simple. You just throw yourself at the ground and miss.

"I think computer viruses should count as life. I think it says something about human nature that the only form of life we have created so far is purely destructive. We've created life in our own image."
Stephen Hawking

Sadao Fujiwara-san

i'll try the modem thing thanks

Sadao Fujiwara-san

ya i talked to my uncle todays and he agreed with idea of hookint it up to another comp.

Sadao Fujiwara-san

ok i have the stamp hooked up to anoter comp now but it still won't reconize th stamp. i checked to port and its working. this supposed easy project is geting to be quiete anoying

Sadao Fujiwara-san

i have decide to change the power supply around a bit so we'll see how that works

Mike Green

There are several layers to getting a PC to successfully program a Stamp and some of them are things that Parallax has no control over.

1) The serial port driver on the PC (usually part of Windows). This includes any I/O drivers for USB to serial adapters if you're using them.
These are supplied by the PC manufacturer or the USB to serial adapter manufacturer. Not all USB to serial adapters are alike as has
been mentioned. Ones known to work are those from Keyspan and those from FTDI (which are also sold by Parallax).

2) The board the Stamp is mounted on may be involved. Look at the schematic of the Serial Board of Education. There's a jumper from
DB9 pin 6 to pin 7 for the Stamp Editor to tell that a Stamp is there. The Stamp itself will echo any received information back to the
PC and the Stamp Editor will check for that as well. On the USB version, RTS is also connected to DSR on the USB to serial adapter chip.

3) Proper power has to be applied to the Stamp since the Stamp and the Stamp Editor have to have a conversation to tell the Editor which
model Stamp is there.

Sadao Fujiwara-san

thanks mike this is good info to know i'll try some of this.

AQucsaiJr

I have the BS2 OEM kit and i am having a similar problem. When I bring up the debug terminal and type somthing in it echo's back but when i click run the program can not find a stamp. I have my serial cable connected to the serial port that was put in place for use by a mouse i think.. I dont know if you are using that same port but maybe the PBASIC program cant use this port?

Sadao Fujiwara-san

try going to run > identify go to your debug terminal and make sure that it is actualy lableing the stamp

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AQucsaiJr

Wow your right it dosn't lable it. It says the loop and the echo is fine but there is a blank for the device type... What might cause that?

Sadao Fujiwara-san

thats the part tha i am working on read some of the sbove replies on this thread and try those

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