diff options
Diffstat (limited to 'decoders')
| -rw-r--r-- | decoders/spiflash/pd.py | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/decoders/spiflash/pd.py b/decoders/spiflash/pd.py index d33ac0c..3afafba 100644 --- a/decoders/spiflash/pd.py +++ b/decoders/spiflash/pd.py @@ -174,7 +174,20 @@ class Decoder(srd.Decoder): self.cmdstate += 1 def handle_wrsr(self, mosi, miso): - pass # TODO + # Write status register: Master asserts CS#, sends WRSR command, + # writes 1 or 2 status register byte(s). + # When done, the master de-asserts CS# again. If this doesn't happen + # the WRSR command will not be executed. + if self.cmdstate == 1: + # Byte 1: Master sends command ID. + self.putx([3, ['Command: %s' % cmds[self.state][1]]]) + elif self.cmdstate in (2, 3): + # Bytes 2 and/or 3: Master sends status register byte(s). + self.putx([24, ['Status register: 0x%02x' % miso]]) + self.putx([25, [decode_status_reg(miso)]]) + # TODO: Handle status register 2 correctly. + + self.cmdstate += 1 def handle_read(self, mosi, miso): # Read data bytes: Master asserts CS#, sends READ command, sends |