sht4x 0.2.0

Sensirion SHT4x Driver for Embedded HAL
Documentation 
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#[cfg_attr(feature = "defmt", derive(defmt::Format))]
#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
pub(crate) enum Command {
    MeasureHighPrecision,
    MeasureMediumPrecision,
    MeasureLowPrecision,
    SoftReset,
    SerialNumber,
    MeasureHeated200mw1s,
    MeasureHeated200mw0p1s,
    MeasureHeated110mw1s,
    MeasureHeated110mw0p1s,
    MeasureHeated20mw1s,
    MeasureHeated20mw0p1s,
}

impl Command {
    pub(crate) fn code(&self) -> u8 {
        match self {
            Self::MeasureHighPrecision => 0xfd,
            Self::MeasureMediumPrecision => 0xf6,
            Self::MeasureLowPrecision => 0xe0,
            Self::SerialNumber => 0x89,
            Self::SoftReset => 0x94,
            Self::MeasureHeated200mw1s => 0x39,
            Self::MeasureHeated200mw0p1s => 0x32,
            Self::MeasureHeated110mw1s => 0x2f,
            Self::MeasureHeated110mw0p1s => 0x24,
            Self::MeasureHeated20mw1s => 0x1e,
            Self::MeasureHeated20mw0p1s => 0x15,
        }
    }

    pub(crate) fn duration_ms(&self) -> u32 {
        // Values rounded up from the maximum durations given in the datasheet
        // table 4, 'System timing specifications'.
        match self {
            Self::MeasureHighPrecision => 9,
            Self::MeasureMediumPrecision => 5,
            Self::MeasureLowPrecision => 2,
            // There is no explicit time given for the serial number, but reading it immediately
            // results in a NACK. So be a bit more patient here.
            Self::SerialNumber => 1,
            Self::SoftReset => 1,
            Self::MeasureHeated200mw1s => 1100,
            Self::MeasureHeated200mw0p1s => 110,
            Self::MeasureHeated110mw1s => 1100,
            Self::MeasureHeated110mw0p1s => 110,
            Self::MeasureHeated20mw1s => 1100,
            Self::MeasureHeated20mw0p1s => 110,
        }
    }
}