X-Git-Url: http://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=decoders%2Fmaxim_ds28ea00%2Fpd.py;h=4693cd9aa2f7b3aa047362729fc513b05b1aa9e6;hp=ed020d4bf44ec3d732615601da99a7b051853059;hb=HEAD;hpb=8915b34659332288aab38780d8f10d75c4c83e7f diff --git a/decoders/maxim_ds28ea00/pd.py b/decoders/maxim_ds28ea00/pd.py deleted file mode 100644 index ed020d4..0000000 --- a/decoders/maxim_ds28ea00/pd.py +++ /dev/null @@ -1,106 +0,0 @@ -## -## This file is part of the libsigrokdecode project. -## -## Copyright (C) 2012 Iztok Jeras -## -## This program is free software; you can redistribute it and/or modify -## it under the terms of the GNU General Public License as published by -## the Free Software Foundation; either version 2 of the License, or -## (at your option) any later version. -## -## This program is distributed in the hope that it will be useful, -## but WITHOUT ANY WARRANTY; without even the implied warranty of -## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -## 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 -## - -# Maxim DS28EA00 protocol decoder - -import sigrokdecode as srd - -# Dictionary of FUNCTION commands and their names. -command = { - # Scratchpad - 0x4e: 'Write scratchpad', - 0xbe: 'Read scratchpad', - 0x48: 'Copy scratchpad', - # Thermometer - 0x44: 'Convert temperature', - 0xb4: 'Read power mode', - 0xb8: 'Recall EEPROM', - 0xf5: 'PIO access read', - 0xA5: 'PIO access write', - 0x99: 'Chain', -} - -class Decoder(srd.Decoder): - api_version = 1 - id = 'maxim_ds28ea00' - name = 'DS28EA00' - longname = 'Maxim DS28EA00 1-Wire digital thermometer' - desc = '1-Wire digital thermometer with Sequence Detect and PIO.' - license = 'gplv2+' - inputs = ['onewire_network'] - outputs = ['maxim_ds28ea00'] - probes = [] - optional_probes = [ - {'id': 'pioa', 'name': 'PIOA/DONE#', - 'desc': 'PIOA channel and chain output'}, - {'id': 'piob', 'name': 'PIOB/EN#', - 'desc': 'PIOB channel and chain output'}, - ] - options = {} - annotations = [ - ['Text', 'Human-readable text'], - ] - - def __init__(self, **kwargs): - self.trn_beg = 0 - self.trn_end = 0 - self.state = 'ROM' - self.rom = 0x0000000000000000 - - def start(self): - self.out_ann = self.add(srd.OUTPUT_ANN, 'maxim_ds28ea00') - - def report(self): - pass - - def putx(self, data): - self.put(self.ss, self.es, self.out_ann, data) - - def decode(self, ss, es, data): - code, val = data - - self.ss, self.es = ss, es - - # State machine. - if code == 'RESET/PRESENCE': - self.putx([0, ['Reset/presence: %s' - % ('true' if val else 'false')]]) - self.state = 'ROM' - elif code == 'ROM': - self.rom = val - self.putx([0, ['ROM: 0x%016x' % (val)]]) - self.state = 'COMMAND' - elif code == 'DATA': - if self.state == 'COMMAND': - if val not in command: - self.putx([0, ['Unrecognized command: 0x%02x' % val]]) - return - self.putx([0, ['Function command: 0x%02x \'%s\'' - % (val, command[val])]]) - self.state = command[val].upper() - elif self.state == 'READ SCRATCHPAD': - self.putx([0, ['Scratchpad data: 0x%02x' % val]]) - elif self.state == 'CONVERT TEMPERATURE': - self.putx([0, ['Temperature conversion status: 0x%02x' % val]]) - elif self.state in [s.upper() for s in command.values()]: - self.putx([0, ['TODO \'%s\': 0x%02x' % (self.state, val)]]) - else: - raise Exception('Invalid state: %s' % self.state) -