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authorUwe Hermann <uwe@hermann-uwe.de>2012-11-21 22:43:02 +0100
committerUwe Hermann <uwe@hermann-uwe.de>2012-11-24 20:21:19 +0100
commit24c74fd30fb161837c5f8b01baf3c0fe2dfa4ed5 (patch)
tree43d0c24c6a18e824d9d66a390bad9cff3aa081af /decoders/mlx90614/mlx90614.py
parent23f999aa996e54cd73cb54d5e254d1445d65847d (diff)
downloadlibsigrokdecode-24c74fd30fb161837c5f8b01baf3c0fe2dfa4ed5.tar.gz
libsigrokdecode-24c74fd30fb161837c5f8b01baf3c0fe2dfa4ed5.zip
All PDs: Name the files pd.py consistently.
The Python module name is determined by the directory name (e.g. dcf77), the *.py file names in that directory don't matter and can be kept consistent.
Diffstat (limited to 'decoders/mlx90614/mlx90614.py')
-rw-r--r--decoders/mlx90614/mlx90614.py87
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diff --git a/decoders/mlx90614/mlx90614.py b/decoders/mlx90614/mlx90614.py
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--- a/decoders/mlx90614/mlx90614.py
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@@ -1,87 +0,0 @@
-##
-## This file is part of the sigrok project.
-##
-## Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
-##
-## 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
-##
-
-# Melexis MLX90614 Infrared Thermometer protocol decoder
-
-import sigrokdecode as srd
-
-class Decoder(srd.Decoder):
- api_version = 1
- id = 'mlx90614'
- name = 'MLX90614'
- longname = 'Melexis MLX90614'
- desc = 'Infrared Thermometer protocol.'
- license = 'gplv2+'
- inputs = ['i2c']
- outputs = ['mlx90614']
- probes = []
- optional_probes = []
- options = {}
- annotations = [
- ['Celsius', 'Temperature in degrees Celsius'],
- ['Kelvin', 'Temperature in degrees Kelvin'],
- ]
-
- def __init__(self, **kwargs):
- self.state = 'IGNORE START REPEAT'
- self.data = []
-
- def start(self, metadata):
- # self.out_proto = self.add(srd.OUTPUT_PROTO, 'mlx90614')
- self.out_ann = self.add(srd.OUTPUT_ANN, 'mlx90614')
-
- def report(self):
- pass
-
- def putx(self, data):
- self.put(self.ss, self.es, self.out_ann, data)
-
- # Quick hack implementation! This needs to be improved a lot!
- def decode(self, ss, es, data):
- cmd, databyte = data
-
- # State machine.
- if self.state == 'IGNORE START REPEAT':
- if cmd != 'START REPEAT':
- return
- self.state = 'IGNORE ADDRESS WRITE'
- elif self.state == 'IGNORE ADDRESS WRITE':
- if cmd != 'ADDRESS WRITE':
- return
- self.state = 'GET TEMPERATURE'
- elif self.state == 'GET TEMPERATURE':
- if cmd != 'DATA WRITE':
- return
- if len(self.data) == 0:
- self.data.append(databyte)
- self.ss = ss
- elif len(self.data) == 1:
- self.data.append(databyte)
- self.es = es
- else:
- kelvin = (self.data[0] | (self.data[1] << 8)) * 0.02
- celsius = kelvin - 273.15
- self.putx([0, ['Temperature: %3.2f °C' % celsius]])
- self.putx([1, ['Temperature: %3.2f °K' % kelvin]])
- self.state = 'IGNORE START REPEAT'
- self.data = []
- else:
- raise Exception('Invalid state: %d' % self.state)
-