69 lines
2.8 KiB
Python
69 lines
2.8 KiB
Python
#!/usr/bin/python
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# Copyright (c) 2014 Adafruit Industries
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# Author: Tony DiCola
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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# Can enable debug output by uncommenting:
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#import logging
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#logging.basicConfig(level=logging.DEBUG)
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import time
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# Note that this will work with the TMP007 sensor too! Just use the TMP006
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# class below as-is.
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import Adafruit_TMP.TMP006 as TMP006
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# Define a function to convert celsius to fahrenheit.
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def c_to_f(c):
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return c * 9.0 / 5.0 + 32.0
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# Default constructor will use the default I2C address (0x40) and pick a default I2C bus.
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#
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# For the Raspberry Pi this means you should hook up to the only exposed I2C bus
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# from the main GPIO header and the library will figure out the bus number based
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# on the Pi's revision.
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#
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# For the Beaglebone Black the library will assume bus 1 by default, which is
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# exposed with SCL = P9_19 and SDA = P9_20.
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#
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# Remember this TMP006 code will work fine with the TMP007 sensor too!
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sensor = TMP006.TMP006()
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# Optionally you can override the address and/or bus number:
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#sensor = TMP006.TMP006(address=0x42, busnum=2)
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# Initialize communication with the sensor, using the default 16 samples per conversion.
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# This is the best accuracy but a little slower at reacting to changes.
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sensor.begin()
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# Optionally initialize with a faster but less precise sample rate. You can use
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# any value from TMP006_CFG_1SAMPLE, TMP006_CFG_2SAMPLE, TMP006_CFG_4SAMPLE,
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# TMP006_CFG_8SAMPLE, or TMP006_CFG_16SAMPLE for the sample rate.
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#sensor.begin(samplerate=TMP006.CFG_1SAMPLE)
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# Loop printing measurements every second.
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print('Press Ctrl-C to quit.')
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while True:
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obj_temp = sensor.readObjTempC()
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die_temp = sensor.readDieTempC()
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print('Object temperature: {0:0.3F}*C / {1:0.3F}*F'.format(obj_temp, c_to_f(obj_temp)))
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print(' Die temperature: {0:0.3F}*C / {1:0.3F}*F'.format(die_temp, c_to_f(die_temp)))
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time.sleep(1.0)
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