X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=decoders%2Fjtag%2Fpd.py;h=d7b35aae87f4defe3f409f0faa00dff20e29fd93;hb=e28f7aee3b96afeb543e0c3c29e3950ddd61a490;hp=ea6887b6023709cbb291c00cb6793fbf3418d693;hpb=4c3b1846c9c307c1c35f86d259ddb968ed92718d;p=libsigrokdecode.git diff --git a/decoders/jtag/pd.py b/decoders/jtag/pd.py index ea6887b..d7b35aa 100644 --- a/decoders/jtag/pd.py +++ b/decoders/jtag/pd.py @@ -18,18 +18,16 @@ ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ## -# JTAG protocol decoder - import sigrokdecode as srd ''' -Protocol output format: +OUTPUT_PYTHON format: -JTAG packet: -[, ] +Packet: +[, ] - is one of: - - 'NEW STATE': is the new state of the JTAG state machine. +: + - 'NEW STATE': is the new state of the JTAG state machine. Valid values: 'TEST-LOGIC-RESET', 'RUN-TEST/IDLE', 'SELECT-DR-SCAN', 'CAPTURE-DR', 'SHIFT-DR', 'EXIT1-DR', 'PAUSE-DR', 'EXIT2-DR', 'UPDATE-DR', 'SELECT-IR-SCAN', 'CAPTURE-IR', 'SHIFT-IR', 'EXIT1-IR', 'PAUSE-IR', @@ -55,14 +53,8 @@ jtag_states = [ 'SHIFT-IR', 'EXIT1-IR', 'EXIT2-IR', ] -def get_annotation_classes(): - l = [] - for s in jtag_states: - l.append([s.lower(), s]) - return l - class Decoder(srd.Decoder): - api_version = 1 + api_version = 2 id = 'jtag' name = 'JTAG' longname = 'Joint Test Action Group (IEEE 1149.1)' @@ -70,19 +62,18 @@ class Decoder(srd.Decoder): license = 'gplv2+' inputs = ['logic'] outputs = ['jtag'] - probes = [ + channels = ( {'id': 'tdi', 'name': 'TDI', 'desc': 'Test data input'}, {'id': 'tdo', 'name': 'TDO', 'desc': 'Test data output'}, {'id': 'tck', 'name': 'TCK', 'desc': 'Test clock'}, {'id': 'tms', 'name': 'TMS', 'desc': 'Test mode select'}, - ] - optional_probes = [ + ) + optional_channels = ( {'id': 'trst', 'name': 'TRST#', 'desc': 'Test reset'}, {'id': 'srst', 'name': 'SRST#', 'desc': 'System reset'}, {'id': 'rtck', 'name': 'RTCK', 'desc': 'Return clock signal'}, - ] - options = {} - annotations = get_annotation_classes() + ) + annotations = tuple([tuple([s.lower(), s]) for s in jtag_states]) def __init__(self, **kwargs): # self.state = 'TEST-LOGIC-RESET' @@ -98,14 +89,14 @@ class Decoder(srd.Decoder): self.first = True def start(self): - self.out_proto = self.register(srd.OUTPUT_PYTHON) + self.out_python = self.register(srd.OUTPUT_PYTHON) self.out_ann = self.register(srd.OUTPUT_ANN) def putx(self, data): self.put(self.ss_item, self.es_item, self.out_ann, data) def putp(self, data): - self.put(self.ss_item, self.es_item, self.out_proto, data) + self.put(self.ss_item, self.es_item, self.out_python, data) def advance_state_machine(self, tms): self.oldstate = self.state @@ -148,9 +139,6 @@ class Decoder(srd.Decoder): elif self.state == 'UPDATE-IR': self.state = 'SELECT-DR-SCAN' if (tms) else 'RUN-TEST/IDLE' - else: - raise Exception('Invalid state: %s' % self.state) - def handle_rising_tck_edge(self, tdi, tdo, tck, tms): # Rising TCK edges always advance the state machine. self.advance_state_machine(tms) @@ -209,7 +197,7 @@ class Decoder(srd.Decoder): self.oldpins = pins # Get individual pin values into local variables. - # Unused probes will have a value of > 1. + # Unused channels will have a value of > 1. (tdi, tdo, tck, tms, trst, srst, rtck) = pins # We only care about TCK edges (either rising or falling).