spi_temperature: Eliminate check_faults() callback
The faults can be checked from the calc_temp() method. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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@ -70,14 +70,11 @@ class SensorBase:
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self.oid, clock, self._report_clock,
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self.min_sample_value, self.max_sample_value))
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def _handle_spi_response(self, params):
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last_value = params['value']
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temp = self.calc_temp(params['value'], params['fault'])
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next_clock = self.mcu.clock32_to_clock64(params['next_clock'])
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last_read_clock = next_clock - self._report_clock
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last_read_time = self.mcu.clock_to_print_time(last_read_clock)
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temp = self.calc_temp(last_value)
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self.check_faults(params['fault'])
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if self._callback is not None:
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self._callback(last_read_time, temp)
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self._callback(last_read_time, temp)
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######################################################################
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@ -160,7 +157,7 @@ class MAX31856(SensorBase):
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}
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self.average_count = config.getchoice('tc_averaging_count', averages, "1")
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SensorBase.__init__(self, config)
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def check_faults(self, fault):
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def calc_temp(self, adc, fault):
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if fault & MAX31856_FAULT_CJRANGE:
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raise self.error("Max31856: Cold Junction Range Fault")
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if fault & MAX31856_FAULT_TCRANGE:
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@ -177,7 +174,6 @@ class MAX31856(SensorBase):
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raise self.error("Max31856: Over/Under Voltage Fault")
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if fault & MAX31856_FAULT_OPEN:
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raise self.error("Max31856: Thermocouple Open Fault")
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def calc_temp(self, adc):
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adc = adc >> MAX31856_SCALE
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# Fix sign bit:
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if adc & 0x40000:
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@ -219,9 +215,7 @@ class MAX31855(SensorBase):
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def __init__(self, config):
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self.chip_type = "MAX31855"
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SensorBase.__init__(self, config)
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def check_faults(self, fault):
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pass
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def calc_temp(self, adc):
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def calc_temp(self, adc, fault):
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if adc & 0x1:
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raise self.error("MAX31855 : Open Circuit")
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if adc & 0x2:
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@ -253,9 +247,7 @@ class MAX6675(SensorBase):
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def __init__(self, config):
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self.chip_type = "MAX6675"
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SensorBase.__init__(self, config)
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def check_faults(self, fault):
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pass
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def calc_temp(self, adc):
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def calc_temp(self, adc, fault):
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if adc & 0x02:
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raise self.error("Max6675 : Device ID error")
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if adc & 0x04:
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@ -314,7 +306,7 @@ class MAX31865(SensorBase):
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self.num_wires = config.getint('rtd_num_of_wires', 2)
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self.use_50Hz_filter = config.getboolean('rtd_use_50Hz_filter', False)
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SensorBase.__init__(self, config)
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def check_faults(self, fault):
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def calc_temp(self, adc, fault):
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if fault & 0x80:
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raise self.error("Max31865 RTD input is disconnected")
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if fault & 0x40:
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@ -329,7 +321,6 @@ class MAX31865(SensorBase):
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raise self.error("Max31865 Overvoltage or undervoltage fault")
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if fault & 0x03:
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raise self.error("Max31865 Unspecified error")
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def calc_temp(self, adc):
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adc = adc >> 1 # remove fault bit
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R_rtd = (self.reference_r * adc) / VAL_ADC_MAX
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temp = (
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