X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=decoders%2Fonewire_network%2Fpd.py;h=fca16dae272de10d9830d90bd6fc8d44fe3403fc;hp=813c595cd2412d0819024252f7572d3647af6462;hb=4539e9ca58966ce3c9cad4801b16c315e86ace01;hpb=50bd5d259677faf87bb3408e111d0e833d7ba9b4 diff --git a/decoders/onewire_network/pd.py b/decoders/onewire_network/pd.py index 813c595..fca16da 100644 --- a/decoders/onewire_network/pd.py +++ b/decoders/onewire_network/pd.py @@ -14,12 +14,9 @@ ## GNU General Public License for more details. ## ## You should have received a copy of the GNU General Public License -## along with this program; if not, write to the Free Software -## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +## along with this program; if not, see . ## -# 1-Wire protocol decoder (network layer) - import sigrokdecode as srd # Dictionary of ROM commands and their names, next state. @@ -35,7 +32,7 @@ command = { } class Decoder(srd.Decoder): - api_version = 1 + api_version = 2 id = 'onewire_network' name = '1-Wire network layer' longname = '1-Wire serial communication bus (network layer)' @@ -43,16 +40,13 @@ class Decoder(srd.Decoder): license = 'gplv2+' inputs = ['onewire_link'] outputs = ['onewire_network'] - probes = [] - optional_probes = [] - options = {} - annotations = [ - ['Text', 'Human-readable text'], - ] + annotations = ( + ('text', 'Human-readable text'), + ) - def __init__(self, **kwargs): - self.beg = 0 - self.end = 0 + def __init__(self): + self.ss_block = 0 + self.es_block = 0 self.state = 'COMMAND' self.bit_cnt = 0 self.search = 'P' @@ -61,20 +55,17 @@ class Decoder(srd.Decoder): self.data = 0x0 self.rom = 0x0000000000000000 - def start(self, metadata): - self.out_proto = self.add(srd.OUTPUT_PROTO, 'onewire_network') - self.out_ann = self.add(srd.OUTPUT_ANN, 'onewire_network') - - def report(self): - pass + def start(self): + self.out_python = self.register(srd.OUTPUT_PYTHON) + self.out_ann = self.register(srd.OUTPUT_ANN) def putx(self, data): # Helper function for most annotations. - self.put(self.beg, self.end, self.out_ann, data) + self.put(self.ss_block, self.es_block, self.out_ann, data) def puty(self, data): # Helper function for most protocol packets. - self.put(self.beg, self.end, self.out_proto, data) + self.put(self.ss_block, self.es_block, self.out_python, data) def decode(self, ss, es, data): code, val = data @@ -85,7 +76,7 @@ class Decoder(srd.Decoder): self.bit_cnt = 0 self.put(ss, es, self.out_ann, [0, ['Reset/presence: %s' % ('true' if val else 'false')]]) - self.put(ss, es, self.out_proto, ['RESET/PRESENCE', val]) + self.put(ss, es, self.out_python, ['RESET/PRESENCE', val]) self.state = 'COMMAND' return @@ -134,20 +125,18 @@ class Decoder(srd.Decoder): if self.onewire_collect(8, val, ss, es) == 0: return self.putx([0, ['ROM error data: 0x%02x' % self.data]]) - else: - raise Exception('Invalid state: %s' % self.state) # Data collector. def onewire_collect(self, length, val, ss, es): # Storing the sample this sequence begins with. if self.bit_cnt == 1: - self.beg = ss + self.ss_block = ss self.data = self.data & ~(1 << self.bit_cnt) | (val << self.bit_cnt) self.bit_cnt += 1 # Storing the sample this sequence ends with. # In case the full length of the sequence is received, return 1. if self.bit_cnt == length: - self.end = es + self.es_block = es self.data = self.data & ((1 << length) - 1) self.bit_cnt = 0 return 1 @@ -158,7 +147,7 @@ class Decoder(srd.Decoder): def onewire_search(self, length, val, ss, es): # Storing the sample this sequence begins with. if (self.bit_cnt == 0) and (self.search == 'P'): - self.beg = ss + self.ss_block = ss if self.search == 'P': # Master receives an original address bit. @@ -179,7 +168,7 @@ class Decoder(srd.Decoder): # Storing the sample this sequence ends with. # In case the full length of the sequence is received, return 1. if self.bit_cnt == length: - self.end = es + self.es_block = es self.data_p = self.data_p & ((1 << length) - 1) self.data_n = self.data_n & ((1 << length) - 1) self.data = self.data & ((1 << length) - 1)