mirror of https://github.com/Desuuuu/klipper.git
143 lines
4.9 KiB
Python
Executable File
143 lines
4.9 KiB
Python
Executable File
#!/usr/bin/env python2
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# Tool to graph temperature sensor ADC resolution
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#
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# Copyright (C) 2020 Kevin O'Connor <kevin@koconnor.net>
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#
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# This file may be distributed under the terms of the GNU GPLv3 license.
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import sys, os, optparse
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import matplotlib
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######################################################################
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# Dummy config / printer / etc. class emulation
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######################################################################
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class DummyConfig:
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def __init__(self, config_settings):
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self.config_settings = config_settings
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self.sensor_factories = {}
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# Emulate config class
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def getfloat(self, option, default, **kw):
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return self.config_settings.get(option, default)
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def get(self, option, default=None):
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return default
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def get_printer(self):
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return self
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def get_name(self):
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return "dummy"
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# Emulate printer class
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def load_object(self, config, name):
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return self
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def lookup_object(self, name):
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return self
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# Emulate heaters class
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def add_sensor_factory(self, name, factory):
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self.sensor_factories[name] = factory
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def do_create_sensor(self, sensor_type):
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return self.sensor_factories[sensor_type](self).adc_convert
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# Emulate query_adc class
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def register_adc(self, name, klass):
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pass
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# Emulate pins class
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def setup_pin(self, pin_type, pin_name):
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return self
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# Emulate mcu_adc class
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def setup_adc_callback(self, time, callback):
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pass
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######################################################################
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# Plotting
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######################################################################
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def plot_adc_resolution(config, sensors):
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# Temperature list
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all_temps = [float(i) for i in range(1, 351)]
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temps = all_temps[:-1]
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# Build plot
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fig, (ax1, ax2) = matplotlib.pyplot.subplots(nrows=2, sharex=True)
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pullup = config.getfloat('pullup_resistor', 0.)
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adc_voltage = config.getfloat('adc_voltage', 0.)
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ax1.set_title("Temperature Sensor (pullup=%.0f, adc_voltage=%.3f)"
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% (pullup, adc_voltage))
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ax1.set_ylabel('ADC')
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ax2.set_ylabel('ADC change per 1C')
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for sensor in sensors:
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sc = config.do_create_sensor(sensor)
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adcs = [sc.calc_adc(t) for t in all_temps]
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ax1.plot(temps, adcs[:-1], label=sensor, alpha=0.6)
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adc_deltas = [abs(adcs[i+1] - adcs[i]) for i in range(len(temps))]
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ax2.plot(temps, adc_deltas, alpha=0.6)
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fontP = matplotlib.font_manager.FontProperties()
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fontP.set_size('x-small')
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ax1.legend(loc='best', prop=fontP)
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ax2.set_xlabel('Temperature (C)')
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ax1.grid(True)
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ax2.grid(True)
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fig.tight_layout()
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return fig
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######################################################################
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# Startup
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######################################################################
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def setup_matplotlib(output_to_file):
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global matplotlib
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if output_to_file:
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matplotlib.rcParams.update({'figure.autolayout': True})
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matplotlib.use('Agg')
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import matplotlib.pyplot, matplotlib.dates, matplotlib.font_manager
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import matplotlib.ticker
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def import_sensors(config):
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global extras
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# Load adc_temperature.py and thermistor.py modules
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kdir = os.path.join(os.path.dirname(__file__), '..', 'klippy')
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sys.path.append(kdir)
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import extras.adc_temperature, extras.thermistor
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extras.thermistor.load_config(config)
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extras.adc_temperature.load_config(config)
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def main():
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# Parse command-line arguments
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usage = "%prog [options]"
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opts = optparse.OptionParser(usage)
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opts.add_option("-o", "--output", type="string", dest="output",
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default=None, help="filename of output graph")
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opts.add_option("-p", "--pullup", type="float", dest="pullup",
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default=4700., help="pullup resistor")
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opts.add_option("-v", "--voltage", type="float", dest="voltage",
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default=5., help="pullup resistor")
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opts.add_option("-s", "--sensors", type="string", dest="sensors",
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default="", help="list of sensors (comma separated)")
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options, args = opts.parse_args()
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if len(args) != 0:
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opts.error("Incorrect number of arguments")
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# Import sensors
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config_settings = {'pullup_resistor': options.pullup,
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'adc_voltage': options.voltage}
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config = DummyConfig(config_settings)
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import_sensors(config)
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# Determine sensors to graph
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if options.sensors:
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sensors = [s.strip() for s in options.sensors.split(',')]
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else:
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sensors = sorted(config.sensor_factories.keys())
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# Draw graph
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setup_matplotlib(options.output is not None)
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fig = plot_adc_resolution(config, sensors)
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# Show graph
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if options.output is None:
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matplotlib.pyplot.show()
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else:
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fig.set_size_inches(8, 6)
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fig.savefig(options.output)
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if __name__ == '__main__':
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main()
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