I've gone through the various posts on this site, but I've come to a roadblock that doesn't appear to have been solved yet.
- Meraki MR33, with the flashable firmware version 2012.07
- CP2102 USB to TTL is able to connect fine via Putty.
- Windows 10 with Python 3.8.5
I ran into similar issues from the other posts:
- No module named serial. Installed pyserial
- The tab and space inconsistencies. I was able to rectify this through debugging.
Where I'm getting stuck at is:
C:\Users\User>python C:\mr33\ubootwrite.py --serial=COM5 --write=C:\mr33\mr33-uboot.bin Uploading image Traceback (most recent call last): File "C:\mr33\ubootwrite.py", line 221, in <module> main() File "C:\mr33\ubootwrite.py", line 216, in main upload(ser, options.write, int(options.size, 0), int(options.addr, 0), options.verbose, debug, options.shell) File "C:\mr33\ubootwrite.py", line 170, in upload ret = memwrite(ser, path, size, start_addr, verbose, debug, shell) File "C:\mr33\ubootwrite.py", line 93, in memwrite prompt = getprompt(ser, start_addr, verbose, shell) File "C:\mr33\ubootwrite.py", line 37, in getprompt combined = oldbuf+buf TypeError: can only concatenate str (not "bytes") to str
I made the following modification to the script after doing some research:
oldbuf = buf buf = ser.read(256); combined = str(b'oldbuf', 'utf-8')+str(b'buf', 'utf-8')
This change didn't throw an error any longer, but it also doesn't successfully upload the image to the MR33. It just sits at "Uploading image" and never does anything. I tried initiating it at different times (Initiate right before attaching power to the MR33; initiate after it's had a few minutes to boot; etc.)
Has anyone been able to get past this successfully or know what may be wrong with the above code correction? Thanks!