diff options
| -rw-r--r-- | decoders/avr_isp/pd.py | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/decoders/avr_isp/pd.py b/decoders/avr_isp/pd.py index 4b496e0..9ecc280 100644 --- a/decoders/avr_isp/pd.py +++ b/decoders/avr_isp/pd.py @@ -116,9 +116,18 @@ class Decoder(srd.Decoder): self.xx, self.yy, self.zz, self.mm = 0, 0, 0, 0 def handle_cmd_chip_erase(self, cmd, ret): - # TODO + # Chip erase (erases both flash an EEPROM). + # Upon successful chip erase, the lock bits will also be erased. + # The only way to end a Chip Erase cycle is to release RESET#. self.putx([0, ['Chip erase']]) + # TODO: Check/handle RESET#. + + # Sanity check on reply. + bit = (ret[2] & (1 << 7)) >> 7 + if ret[1] != 0xac or bit != 1 or ret[3] != cmd[2]: + self.putx([1, ['Warning: Unexpected bytes in reply!']]) + def handle_cmd_read_fuse_bits(self, cmd, ret): # Read fuse bits. self.putx([0, ['Read fuse bits: 0x%02x' % ret[3]]]) |