Immediate I/O

Immediate I/O function read from or write to the HIL hardware immediately. For example, if the input to the hil_write_analog function has the value 5.0 then five volts will appear at the corresponding analog output as soon as the function is executed.

The immediate I/O functions are:

• hil_read_analog
• hil_read_encoder
• hil_read_digital
• hil_read_other
• hil_read

• hil_write_analog
• hil_write_pwm
• hil_write_digital
• hil_write_other
• hil_write

• hil_read_analog_write_analog
• hil_read_encoder_write_pwm
• hil_read_digital_write_digital
• hil_read_other_write_other
• hil_read_write

The hil_read function allows analog, encoder, digital and other channels to be read at the same time. Likewise the hil_write function allows analog, PWM, digital and other channels to be written at the same time. If more than one type of channels is being read (or written) then it is generally more efficient to use the hil_read function (or hil_write) function than to use separate function calls for each type of channel.

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