spi_temperature: Provide a default value for spi_speed
All of the Maxim chips support a 4Mhz spi transfer rate, so use that as a default spi speed. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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@ -639,9 +639,9 @@
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# heater parameters. The parameters below describe sensor parameters.
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#sensor_type:
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# One of "MAX6675", "MAX31855", "MAX31856", or "MAX31865".
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#spi_speed:
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#spi_speed: 4000000
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# The SPI speed (in hz) to use when communicating with the chip.
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# This parameter must be provided.
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# The default is 4000000.
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#sensor_pin:
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# The chip select line for the sensor chip. This parameter must be
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# provided.
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@ -32,7 +32,7 @@ class SensorBase:
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pin = pin_params['pin']
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# SPI bus configuration
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spi_oid = mcu.create_oid()
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spi_speed = config.getint('spi_speed', minval=0)
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spi_speed = config.getint('spi_speed', 4000000, minval=1)
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mcu.add_config_cmd(
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"config_spi oid=%u bus=0 pin=%s mode=1 rate=%u shutdown_msg=" % (
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spi_oid, pin, spi_speed))
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@ -59,7 +59,6 @@ min_temp: 0
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max_temp: 100
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control: watermark
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sensor_type: MAX6675
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spi_speed: 100000
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sensor_pin: ar2
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[temperature_fan test_max31855]
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@ -68,7 +67,6 @@ min_temp: 0
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max_temp: 100
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control: watermark
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sensor_type: MAX31855
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spi_speed: 100000
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sensor_pin: ar5
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[temperature_fan test_max31856]
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@ -77,7 +75,6 @@ min_temp: 0
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max_temp: 100
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control: watermark
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sensor_type: MAX31856
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spi_speed: 100000
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sensor_pin: ar7
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[temperature_fan test_max31865]
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@ -86,7 +83,6 @@ min_temp: 0
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max_temp: 100
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control: watermark
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sensor_type: MAX31865
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spi_speed: 100000
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sensor_pin: ar13
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[thermistor my_custom_thermistor]
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