skordal / potato

A simple RISC-V processor for use in FPGA designs.
BSD 3-Clause "New" or "Revised" License
256 stars 41 forks source link

hello world example no output #15

Closed bg2d closed 5 years ago

bg2d commented 6 years ago

Hello,

I followed the steps from example directory. The project was synthesized successfully and .coe file for hello world example was generated as well. If I upload the .bit file I don't receive anything on terminal. Do you know what can cause this issue?

Thank you, Bogdan D.

skordal commented 6 years ago

There could be several reasons for this not working. First check that the terminal settings are correct, the serial port should be configured with the following parameters:

Which application are you trying to run?

skordal commented 6 years ago

I almost forgot:

Recently, the applications were rewritten so they could be loaded by the bootloader into the application RAM. Try to build the bootloader application and load it into the AEE ROM, and see if you get any output.

I am updating the example README.md file to include this information.

bg2d commented 5 years ago

Now it works! The bootloader starts properly and the "hello" example is loaded. Thank you for your help!