Hello,
I'm a newbie in ARM and in Keil Microvision IDE. I downloaded an example from st site, which allows to communicate via serial port with an hyperterminal. I compile then download the program in the ARM7. When I am in debugging mode, I can see the program works properly thanks to serial window inside Microvision. But When I want to use hyperterminal on my PC to communicate with STR7, nothing happens...I take care of using correct settings for serial comm, same settings than in STR7.
Could you help me please?
"I assume it's correct because I use a RS232 cable with pin 2 and pin 3 (Rx and Tx) twisted."
That, in itself, is not sufficient. Have you checked the pinouts on your STR7 board to confirm that it needs a twisted cable? If your STR7 board is wired to need a straight-through cable - well, obviously it won't work!
"I used this cable to communicate between 2 PC via hyperterminal and it's OK"
Again, have you checked that the pinouts on your STR7 board are the same as a PC?
"I read that I have to use this type of cable to communicate between STR7 and Hyperterminal"
Where did you read that? It has absoultely nothing whatsoever to do with the STR7! It all depends on how the connector on your board is wired.
Thanks for your answer.
Actually I find informations on the pdf file associated with the program form ST microelectronics I had attached before.
As I said to Richard, I don't understand why it doesn't work, with a twisted cable or a straight-through cable...
Maybe I have bad settings when I download program in the STR7..
I'm really lost with this stuff.
Could you some advices concerning settings in microvision 3, to be sure I do correct things?
Thanks for your help