qmk_firmware/docs/internals_midi_device_setup_process.md

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# 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