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| author | George Hopkins <george-hopkins@null.net> | 2017-11-30 15:58:05 +0100 |
|---|---|---|
| committer | Uwe Hermann <uwe@hermann-uwe.de> | 2018-05-03 16:08:07 +0200 |
| commit | a3ac52d1beb462d66719705602c0cb54842f0682 (patch) | |
| tree | 97a9b26eff40c4b8df4e3858abd02efe04540771 /decoders/jtag_stm32 | |
| parent | bf1eeb932f319b3984580e5d47ecb65ff9a62020 (diff) | |
| download | libsigrokdecode-a3ac52d1beb462d66719705602c0cb54842f0682.tar.gz libsigrokdecode-a3ac52d1beb462d66719705602c0cb54842f0682.zip | |
jtag_stm32: Always switch state on new instruction
Diffstat (limited to 'decoders/jtag_stm32')
| -rw-r--r-- | decoders/jtag_stm32/pd.py | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/decoders/jtag_stm32/pd.py b/decoders/jtag_stm32/pd.py index 4cd58bb..593ce13 100644 --- a/decoders/jtag_stm32/pd.py +++ b/decoders/jtag_stm32/pd.py @@ -232,11 +232,7 @@ class Decoder(srd.Decoder): val, self.samplenums = val self.samplenums.reverse() - # State machine - if self.state == 'IDLE': - # Wait until a new instruction is shifted into the IR register. - if cmd != 'IR TDI': - return + if cmd == 'IR TDI': # Switch to the state named after the instruction, or 'UNKNOWN'. # The STM32F10xxx has two serially connected JTAG TAPs, the # boundary scan tap (5 bits) and the Cortex-M3 TAP (4 bits). @@ -246,7 +242,9 @@ class Decoder(srd.Decoder): self.putf(4, 8, [1, ['IR (BS TAP): ' + bstap_ir]]) self.putf(0, 3, [1, ['IR (M3 TAP): ' + self.state]]) self.putx([2, ['IR: %s' % self.state]]) - elif self.state == 'BYPASS': + + # State machine + if self.state == 'BYPASS': # Here we're interested in incoming bits (TDI). if cmd != 'DR TDI': return |