170bdd104f
Large change that removes the duplicated MIT notice withe a spdx tag Signed-off-by: Thomas Ingleby <thomas.ingleby@intel.com>
38 lines
848 B
Python
38 lines
848 B
Python
#!/usr/bin/env python
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# Author: Brendan Le Foll <brendan.le.foll@intel.com>
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# Copyright (c) 2014 Intel Corporation.
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#
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# SPDX-License-Identifier: MIT
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#
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# Example Usage: Shows the 'advanced' i2c functionality from python i2c
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# read/write
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import mraa as m
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# initialise I2C
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x = m.I2c(0)
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x.address(0x77)
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# initialise device
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if x.readReg(0xd0) != 0x55:
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print("error")
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# we want to read temperature so write 0x2e into control reg
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x.writeReg(0xf4, 0x2e)
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# read a 16bit reg, obviously it's uncalibrated so mostly a useless value :)
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print(str(x.readWordReg(0xf6)))
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# and we can do the same thing with the read()/write() calls if we wished
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# thought I'd really not recommend it!
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x.write(bytearray(b'0xf40x2e'))
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x.writeByte(0xf6)
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d = x.read(2)
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# WARNING: python 3.2+ call
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print(str(d))
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print(int.from_bytes(d, byteorder='little'))
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