#define ReadNXTLineLeaderSteering ( _port,
_i2caddr,
_out,
_result   )     __MSReadValue(_port, _i2caddr, NXTLL_REG_STEERING, 1, _out, _result)

Read NXTLineLeader steering.

Read the mindsensors NXTLineLeader device's steering value. This is the power returned by the sensor to correct your course. Add this value to your left motor and subtract it from your right motor. The port must be configured as a Lowspeed port before using this function.

Parameters:
_port The sensor port. See NBC Input port constants.
_i2caddr The sensor I2C address. See sensor documentation for this value.
_out The NXTLineLeader steering value.
_result A status code indicating whether the operation completed successfully or not. See TCommLSCheckStatus for possible Result values.

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