sdmmc-core 0.5.0

SD/MMC core data structures and algorithms
Documentation 
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use crate::lib_bitfield;

use super::{ExtCsd, ExtCsdIndex};

lib_bitfield! {
    /// Represents the `EXT_SECURITY_ERR` field of the [ExtCsd] register.
    ExtendedSecurityError: u8,
    mask: 0x3,
    default: 0,
    {
        /// Indicates an access denied error.
        acccess_denied: 1;
        /// Indicates command parameter sent during the `Extended Security Protocol`.
        sec_invalid_command_parameters: 0;
    }
}

impl ExtCsd {
    /// Gets the `EXT_SECURITY_ERR` field of the [ExtCsd] register.
    pub const fn ext_security_err(&self) -> ExtendedSecurityError {
        ExtendedSecurityError::from_inner(self.0[ExtCsdIndex::ExtSecurityErr.into_inner()])
    }

    /// Sets the `EXT_SECURITY_ERR` field of the [ExtCsd] register.
    pub(crate) fn set_ext_security_err(&mut self, val: ExtendedSecurityError) {
        self.0[ExtCsdIndex::ExtSecurityErr.into_inner()] = val.into_inner();
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_ext_security_err() {
        let mut ext_csd = ExtCsd::new();

        assert_eq!(ext_csd.ext_security_err(), ExtendedSecurityError::new());

        (0..=u8::MAX)
            .map(ExtendedSecurityError::from_inner)
            .for_each(|cmd| {
                ext_csd.set_ext_security_err(cmd);
                assert_eq!(ext_csd.ext_security_err(), cmd);
            });
    }
}