use mock config for stmhal, setup hid in boot

src/boot.py

@@ -0,0 +1,6 @@
+import sys
+
+if sys.platform in ['trezor', 'pyboard']: # stmhal
+    import pyb
+    # hid=(subclass, protocol, max_packet_len, polling_interval, report_desc)
+    pyb.usb_mode('CDC+HID', vid=0x1209, pid=0x53C1, hid=(0, 0, 64, 1, b'\x06\x00\xff\x09\x01\xa1\x01\x09\x20\x15\x00\x26\xff\x00\x75\x08\x95\x40\x81\x02\x09\x21\x15\x00\x26\xff\x00\x75\x08\x95\x40\x91\x02\xc0'))

src/trezor/config.py

@@ -1,26 +1,16 @@
 import sys
+import ustruct
 
-if sys.platform == 'trezor': # stmhal - use binary module (not working atm)
+# mock implementation using binary file
 
-    from TrezorConfig import Config
+_mock = {}
 
-    _config = Config()
-
-    def get(app, key, default=None):
-        v = _config.get(app, key)
-        return v if v else default
-
-    def set(app, key, value):
-        return _config.set(app, key, value)
-
-else: # emulator (mock implementation using binary file)
-
-    import ustruct
-
-    _mock = {}
+if sys.platform in ['trezor', 'pyboard']: # stmhal
+    _file = '/flash/trezor.config'
+else:
     _file = '/var/tmp/trezor.config'
 
-    def _load():
+def _load():
     try:
         with open(_file, 'rb') as f:
             while True:
@@ -33,18 +23,18 @@ else: # emulator (mock implementation using binary file)
     except OSError:
         pass
 
-    def _save():
+def _save():
     with open(_file, 'wb') as f:
         for k, v in _mock.items():
             f.write(ustruct.pack('<HH', k, len(v)))
             f.write(v)
 
-    _load()
+_load()
 
-    def get(app, key, default=None):
+def get(app, key, default=None):
     return _mock.get((app << 8) | key, default)
 
-    def set(app, key, value):
+def set(app, key, value):
     _mock[(app << 8) | key] = value
     _save()
     return True

src/trezor/config.py.real

@@ -0,0 +1,10 @@
+from TrezorConfig import Config
+
+_config = Config()
+
+def get(app, key, default=None):
+    v = _config.get(app, key)
+    return v if v else default
+
+def set(app, key, value):
+    return _config.set(app, key, value)