Q: brick into forever calculator

shared/calc.py

@@ -8,9 +8,8 @@ import utime, ngu, re
 from utils import B2A, word_wrap
 from ux_q1 import ux_input_text
 
-async def login_repl():
-    from glob import dis, settings
-    from pincodes import pa
+async def login_repl(allow_login=True):
+    from glob import dis
 
     NUM_LINES = 7       # 10 - title - 2 for prompt
 
@@ -65,27 +64,31 @@ Example Commands:
             elif ln in ('help', 'cls', 'rand'):
                 # no need for () for these commands
                 ans = state[ln]()
-            elif re_pin.match(ln) and len(ln) <= 13:
-                # try login
-                m = re_pin.match(ln)
-                ln = m.group(1)+ '-' + m.group(2)
-                print(ln)
-                try:
-                    pa.setup(ln)
-                    ok = pa.login()
-                    if ok: return
-                except RuntimeError as exc:
-                    # I'm a brick and other stuff can happen here
-                    # - especially AUTH_FAIL when pin is just wrong.
-                    if exc.args[0] == 'AUTH_FAIL':
-                        pa.attempts_left -= 1
-                        ans = '%-7d          # %d tries remain' % (eval(ln), pa.attempts_left)
-                    else:
-                        ans = 'Error: ' + repr(exc.args)
+            elif allow_login:
+                # without this flag, PIN codes ignored
+                if re_pin.match(ln) and (len(ln) <= 13):
+                    # try login
+                    m = re_pin.match(ln)
+                    ln = m.group(1)+ '-' + m.group(2)
+                    print(ln)
+                    from pincodes import pa
+                    try:
+                        pa.setup(ln)
+                        ok = pa.login()
+                        if ok: return
+                    except RuntimeError as exc:
+                        # I'm a brick and other stuff can happen here
+                        # - especially AUTH_FAIL when pin is just wrong.
+                        if exc.args[0] == 'AUTH_FAIL':
+                            pa.attempts_left -= 1
+                            ans = '%-7d          # %d tries remain' % (eval(ln), pa.attempts_left)
+                        else:
+                            ans = 'Error: ' + repr(exc.args)
 
-            elif re_prefix.match(ln) and len(ln) <= 7:
-                # show words
-                ans = pa.prefix_words(ln[:-1].encode())
+                elif re_prefix.match(ln) and len(ln) <= 7:
+                    # show words
+                    from pincodes import pa
+                    ans = pa.prefix_words(ln[:-1].encode())
             else:
                 if any((b in ln) for b in blacklist):
                     ans = None

shared/main.py

@@ -86,6 +86,19 @@ async def more_setup():
         from files import CardSlot
         CardSlot.setup()
 
+        # check for bricked system early
+        import callgate
+        if callgate.get_is_bricked():
+            print("SE bricked")
+            try:
+                # regardless of settings.calc forever calculator after brickage
+                if version.has_qwerty:
+                    from calc import login_repl
+                    await login_repl(allow_login=False)
+            finally:
+                # die right away if it's not going to work
+                callgate.enter_dfu(3)
+
         # This "pa" object holds some state shared w/ bootloader about the PIN
         try:
             from pincodes import pa

shared/pincodes.py

@@ -134,13 +134,6 @@ class PinAttempt:
         assert ustruct.calcsize(PIN_ATTEMPT_FMT_V1) == PIN_ATTEMPT_SIZE_V1
         assert ustruct.calcsize(PIN_ATTEMPT_FMT_V2_ADDITIONS) == PIN_ATTEMPT_SIZE - PIN_ATTEMPT_SIZE_V1
 
-        # check for bricked system early
-        import callgate
-        if callgate.get_is_bricked():
-            # die right away if it's not going to work
-            print("SE bricked")
-            callgate.enter_dfu(3)
-
     def __repr__(self):
         return '<PinAttempt: fails/left=%d/%d tc_flag/arg=0x%x/0x%x>' % (
                         self.num_fails, self.attempts_left,