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dvlopt.linux.i2c.mcp342x

Library for talking to MCP342x converters using I2C.

Those devices are configured using a single byte and the input voltage is read directly.

Parameters used throughout this library are :

::channel Up to 4 channels, from 1 to 4, are available depending on the model.

::converting? When writing the configuration byte, this parameter must be set to true for initiating a new measure in :one-shot mode. It does not matter in :continuous mode. When reading the input voltage, the converter sets this parameter to false when a new conversion is ready.

::mode In :continuous mode, the converter measures the input voltage constantly whereas in :one-shot mode, the measure only happens when the master writes a configuration byte with ::converting? set to true.

::pga Programamble Gain Amplifier. #{:x1 :x2 :x4 :x8}

::resolution Number of bits the input voltage is represented by, depending on the model. #{:12-bit :14-bit :16-bit :18-bit}

IO operations will throw in case of failure and are performed using this library :

https://github.com/dvlopt/linux.i2c.clj

Library for talking to MCP342x converters using I2C.

Those devices are configured using a single byte and the input voltage is read directly.

Parameters used throughout this library are :

  ::channel
    Up to 4 channels, from 1 to 4, are available depending on the model.

  ::converting?
    When writing the configuration byte, this parameter must be set to true for initiating
    a new measure in :one-shot mode. It does not matter in :continuous mode.
    When reading the input voltage, the converter sets this parameter to false when a new
    conversion is ready.

  ::mode
    In :continuous mode, the converter measures the input voltage constantly whereas in
    :one-shot mode, the measure only happens when the master writes a configuration byte
    with ::converting? set to true.

  ::pga
    Programamble Gain Amplifier.
    #{:x1 :x2 :x4 :x8}

  ::resolution
    Number of bits the input voltage is represented by, depending on the model.
    #{:12-bit :14-bit :16-bit :18-bit}


IO operations will throw in case of failure and are performed using this library :

  https://github.com/dvlopt/linux.i2c.clj
raw docstring

addressclj

(address)
(address a0 a1 a2)

Gets the address of a slave device.

The user can use pins a0, a1 and a2 to modify the default address by specifying a boolean value for each.

Gets the address of a slave device.

The user can use pins `a0`, `a1` and `a2` to modify the default address by specifying a boolean value for each.
sourceraw docstring

configureclj

(configure bus parameters)

Configures the slave device by providing parameters.

Do not forget to select the slave device first.

In absence of a parameter, a default value will be used.

Cf. defaults

Configures the slave device by providing parameters.

Do not forget to select the slave device first.

In absence of a parameter, a default value will be used.

Cf. `defaults`
sourceraw docstring

defaultsclj

Default values for this namespace.

Default values for this namespace.
sourceraw docstring

read-channelclj

(read-channel bus)
(read-channel bus resolution)

Reads a channel and returns a map containing the parameters under which the measure has been done as well as the current input voltage under ::micro-volt.

Reads a channel and returns a map containing the parameters under which the measure has been done as well as the
current input voltage under ::micro-volt.
sourceraw docstring

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