Report "unknown" when we can't detect the shuttle (e.g. when we have trouble reading the ROM).

previously, we reported "tt04", which is not a good UX.

Author: urish

.github/workflows/release.yml

@@ -6,7 +6,7 @@ jobs:
   create-release:
     env:
       RPOS_UF2FILE: RPI_PICO-20241025-v1.24.0.uf2
-      TT_RUNS_SUPPORTED: "tt04 tt05 tt06 tt07"
+      TT_RUNS_SUPPORTED: "unknown tt04 tt05 tt06 tt07"
     runs-on: ubuntu-24.04
     steps:
 

src/ttboard/boot/rom.py

@@ -18,6 +18,7 @@ def __init__(self, project_mux):
         self.project_mux = project_mux 
         self._contents = None 
         self._pins = project_mux.pins
+        self._rom_data = None
 
 
     def _send_and_rcv(self, send:int):
@@ -58,7 +59,7 @@ def contents(self):
         self.project_mux.reset_and_clock_mux(0)
 
         self._contents = {
-                'shuttle': 'tt04',
+                'shuttle': 'unknown',
                 'repo': '',
                 'commit': ''
         }
@@ -81,21 +82,20 @@ def contents(self):
             if byte == 0:
                 break
             rom_data += chr(byte)
-            
-        log.info(f'Got ROM data\n{rom_data}')
+        self._rom_data = rom_data
 
-        self._contents = {'shuttle':'tt04', 'commit':'FAKEDATA'}
         if not len(rom_data):
             log.warn("ROM data empty")
         else:
+            log.info(f'Got ROM data\n{rom_data}')
             for l in rom_data.splitlines():
                 try:
                     k,v = l.split('=')
                     self._contents[k] = v 
                 except:
                     log.warn(f"Issue splitting {l}")
                     pass 
-        log.debug(f"GOT ROM: {self._contents}")
+        log.debug(f"Parsed ROM contents: {self._contents}")
         self.project_mux.disable()
         return self._contents