[−][src]Trait kernel::hil::touch::MultiTouch

pub trait MultiTouch<'a> {
    fn enable(&self) -> ReturnCode;
    fn disable(&self) -> ReturnCode;
    fn get_num_touches(&self) -> usize;
    fn get_touch(&self, index: usize) -> Option<TouchEvent>;
    fn set_client(&self, multi_touch_client: &'a dyn MultiTouchClient);
}

Multi-touch panels should implement this

Required methods

`fn enable(&self) -> ReturnCode`

Enable the touche panel

returns SUCCESS even if device is already enabled

`fn disable(&self) -> ReturnCode`

Disable the touch panel

returns SUCCESS even if device is already disabled

`fn get_num_touches(&self) -> usize`

Returns the number of maximum concurently supported touches.

`fn get_touch(&self, index: usize) -> Option<TouchEvent>`

Returns the touch event at index or None.

This function must be called in the same interrupt as the event, otherwise data might not be available.

`fn set_client(&self, multi_touch_client: &'a dyn MultiTouchClient)`

Set the multi-touch client

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Implementors

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