[−][src]Trait joycon_rs::joycon::input_report_mode::sub_command_mode::SubCommandReplyData

pub trait SubCommandReplyData: TryFrom<[u8; 35], Error = JoyConError> {
    type ArgsType: AsRef<[u8]>;

    const SUB_COMMAND: SubCommand;
    const ARGS: Self::ArgsType;
    fn once<D>(
        driver: &mut D
    ) -> JoyConResult<StandardInputReport<SubCommandReport<Self>>>
    where
        Self: Sized,
        D: JoyConDriver,
    { ... }
}

An interface for dealing with sub-command's reply.

Example - implement `SubCommandReplyData`

#[derive(Debug, Clone, Hash, Eq, PartialEq)]
pub struct LightsStatus {
    light_up: Vec<LightUp>,
    flash: Vec<Flash>,
}

const LIGHT_UP: [LightUp; 4] =
    [LightUp::LED0, LightUp::LED1, LightUp::LED2, LightUp::LED3];
const FLASH: [Flash; 4] =
    [Flash::LED0, Flash::LED1, Flash::LED2, Flash::LED3];

impl TryFrom<[u8; 35]> for LightsStatus {
    type Error = JoyConError;

    fn try_from(value: [u8; 35]) -> Result<Self, Self::Error> {
        let value = value[0];

        // parse reply
        let light_up = LIGHT_UP.iter()
            .filter(|&&l| {
                let light = l as u8;
                value & light == light
            })
            .cloned()
            .collect();
        let flash = FLASH.iter()
            .filter(|&&f| {
                let flash = f as u8;
                value & flash == flash
            })
            .cloned()
            .collect();

        Ok(LightsStatus { light_up, flash })
    }
}

impl SubCommandReplyData for LightsStatus {
    type ArgsType = [u8; 0];
    const SUB_COMMAND: SubCommand = SubCommand::GetPlayerLights;
    const ARGS: Self::ArgsType = [];
}