xpt2046 0.3.0

Embedded-hal based XPT2046 driver for TFT LCD displays
Documentation 
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//! Error definition for the crate

#[cfg(feature = "with_defmt")]
use defmt::{write, Format, Formatter};

#[cfg_attr(feature = "with_defmt", derive(Format))]
#[derive(Debug)]
pub enum BusError<SPIError, CSError> {
    Spi(SPIError),
    Pin(CSError),
}

#[cfg_attr(feature = "with_defmt", derive(Format))]
#[derive(Debug)]
pub enum CalibrationError {
    Alpha,
    Beta,
    Delta,
}

#[derive(Debug)]
pub enum Error<E> {
    /// SPI bus error
    Bus(E),
    /// Error when calculating new calibration values
    Calibration(CalibrationError),
}

#[cfg(feature = "with_defmt")]
impl<E> Format for Error<E> {
    fn format(&self, fmt: Formatter) {
        match self {
            Error::Bus(_) => write!(fmt, "Bus error"),
            Error::Calibration(e) => write!(fmt, "Error when calculating calibration for: {}", e),
        }
    }
}