qmk_firmware/docs/internals_midi_device_setup_process.md

# group `midi_device_setup_process` {#group__midi__device__setup__process}

These are method that you must use to initialize and run a device.

## Summary

 Members                        | Descriptions                                
--------------------------------|---------------------------------------------
`public void `[`midi_device_init`](#group__midi__device__setup__process_1gaf29deddc94ea98a59daa0bde1aefd9d9)`(`[`MidiDevice`](#struct__midi__device)` * device)`            | Initialize a device.
`public void `[`midi_device_process`](#group__midi__device__setup__process_1gaa3d5993d0e998a1b59bbf5ab9c7b492b)`(`[`MidiDevice`](#struct__midi__device)` * device)`            | Process input data.

## Members

#### `public void `[`midi_device_init`](#group__midi__device__setup__process_1gaf29deddc94ea98a59daa0bde1aefd9d9)`(`[`MidiDevice`](#struct__midi__device)` * device)` {#group__midi__device__setup__process_1gaf29deddc94ea98a59daa0bde1aefd9d9}

Initialize a device.

You must call this before using the device in question.

#### Parameters
* `device` the device to initialize

#### `public void `[`midi_device_process`](#group__midi__device__setup__process_1gaa3d5993d0e998a1b59bbf5ab9c7b492b)`(`[`MidiDevice`](#struct__midi__device)` * device)` {#group__midi__device__setup__process_1gaa3d5993d0e998a1b59bbf5ab9c7b492b}

Process input data.

This method drives the input processing, you must call this method frequently if you expect to have your input callbacks called.

#### Parameters
* `device` the device to process