User Manual

CDriver User Guide 12

scan(silent=False)

Performs an I2C bus scan. If silent is False, prints a map of devices.

Returns a list of the device addresses.

>>> i2c.scan()

-- -- -- -- -- -- -- --

-- -- -- -- 1C -- -- --

-- -- -- -- -- -- -- --

48 -- -- -- -- -- -- --

-- -- -- -- -- -- -- --

68 -- -- -- -- -- -- --

-- -- -- -- -- -- -- --

[28, 72, 104]

reset()

Send an I2C bus reset

start(dev, rw)

Start an I2C transaction

Parameters

• dev – 7-bit I2C device address

• rw – read (1) or write (0)

To write bytes [0x12,0x34] to device 0x75:

>>> i2c.start(0x75, 0)

>>> i2c.write([0x12,034])

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