py32f030_hal 0.1.0

#[derive(Debug)]
pub enum Error {
    StartTimeout,
    ReadTimeout,
    WriteTimeout,
    DMA,
    /// 噪音/校验/帧错误
    Noise,
    Frame,
    Parity,
    Others,
}

/// 串口停止位
#[derive(Default)]
pub enum StopBits {
    #[default]
    Stop1 = 0,
    Stop2 = 1,
}

/// 串口数据长度
#[derive(Default)]
pub enum WordLen {
    #[default]
    WordLen8 = 0,
    WordLen9 = 1,
}

/// 串口配置的校验位
#[derive(Default, PartialEq)]
pub enum Parity {
    #[default]
    None = 0,
    Even = 1,
    Odd = 2,
}

// /// 串口流控
// #[derive(Default)]
// pub enum HwFlowCtrl {
//     #[default]
//     None,
//     Rts = 1,
//     Cts = 2,
//     RtsCts = 3,
// }

/// 串口的波特率定义
#[derive(Default)]
pub enum BaudRate {
    // Auto = 0,
    Bps300 = 300,
    Bps1200 = 1200,
    Bps2400 = 2400,
    Bps4800 = 4800,
    Bps9600 = 9600,
    Bps1440 = 1440,
    Bps19200 = 19200,
    Bps28800 = 28800,
    Bps38400 = 38400,
    Bps57600 = 57600,
    Bps74880 = 74880,
    #[default]
    Bps115200 = 115200,
    Bps230400 = 230400,
}

/// 串口时钟过采样配置
#[derive(Default, Clone, Copy, PartialEq)]
pub enum OverSampling {
    #[default]
    OverSampling16 = 0,
    OverSampling8 = 1,
}

impl OverSampling {
    pub(crate) fn div(&self) -> u32 {
        if *self == Self::OverSampling16 {
            16
        } else {
            8
        }
    }
}

impl From<OverSampling> for bool {
    fn from(value: OverSampling) -> Self {
        value == OverSampling::OverSampling8
    }
}

/// 串口数据位定义
#[derive(Default, PartialEq)]
pub enum DataBits {
    #[default]
    DataBits8 = 0,
    DataBits9 = 1,
}

impl From<DataBits> for bool {
    fn from(value: DataBits) -> Self {
        value == DataBits::DataBits9
    }
}