diff options
Diffstat (limited to 'decoders/spiflash/pd.py')
| -rw-r--r-- | decoders/spiflash/pd.py | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/decoders/spiflash/pd.py b/decoders/spiflash/pd.py index 8a0b0e3..03e16e2 100644 --- a/decoders/spiflash/pd.py +++ b/decoders/spiflash/pd.py @@ -90,6 +90,14 @@ class Decoder(srd.Decoder): self.on_end_transaction = None self.end_current_transaction() + # Build dict mapping command keys to handler functions. Each + # command in 'cmds' (defined in lists.py) has a matching + # handler self.handle_<shortname>. + def get_handler(cmd): + s = 'handle_%s' % cmds[cmd][0].lower().replace('/', '_') + return getattr(self, s) + self.cmd_handlers = dict((cmd, get_handler(cmd)) for cmd in cmds.keys()) + def end_current_transaction(self): if self.on_end_transaction is not None: # Callback for CS# transition. self.on_end_transaction() @@ -373,10 +381,8 @@ class Decoder(srd.Decoder): self.cmdstate = 1 # Handle commands. - if self.state in cmds: - s = 'handle_%s' % cmds[self.state][0].lower().replace('/', '_') - handle_reg = getattr(self, s) - handle_reg(mosi, miso) - else: + try: + self.cmd_handlers[self.state](mosi, miso) + except KeyError: self.putx([24, ['Unknown command: 0x%02x' % mosi]]) self.state = None |