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/// Describe the manipulation of data written to a register/field.
/// If not specified, the value written to the field is the value stored in the field
#[cfg_attr(
feature = "serde",
derive(serde::Deserialize, serde::Serialize),
serde(rename_all = "camelCase")
)]
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum ModifiedWriteValues {
/// Write data bit of one shall clear (set to zero) the corresponding bit in the field
OneToClear,
/// Write data bit of one shall set (set to one) the corresponding bit in the field
OneToSet,
/// Write data bit of one shall toggle (invert) the corresponding bit in the field
OneToToggle,
/// Write data bit of zero shall clear (set to zero) the corresponding bit in the field
ZeroToClear,
/// Write data bit of zero shall set (set to one) the corresponding bit in the field
ZeroToSet,
/// Write data bit of zero shall toggle (invert) the corresponding bit in the field
ZeroToToggle,
/// After a write operation all bits in the field are cleared (set to zero)
Clear,
/// After a write operation all bits in the field are set (set to one)
Set,
/// After a write operation all bit in the field may be modified (default)
Modify,
}
impl Default for ModifiedWriteValues {
fn default() -> Self {
Self::Modify
}
}
impl ModifiedWriteValues {
/// Parse a string into an [`ModifiedWriteValues`] value, returning [`Option::None`] if the string is not valid.
pub fn parse_str(s: &str) -> Option<Self> {
use self::ModifiedWriteValues::*;
match s {
"oneToClear" => Some(OneToClear),
"oneToSet" => Some(OneToSet),
"oneToToggle" => Some(OneToToggle),
"zeroToClear" => Some(ZeroToClear),
"zeroToSet" => Some(ZeroToSet),
"zeroToToggle" => Some(ZeroToToggle),
"clear" => Some(Clear),
"set" => Some(Set),
"modify" => Some(Modify),
_ => None,
}
}
/// Convert this [`ModifiedWriteValues`] into a static string.
pub const fn as_str(self) -> &'static str {
match self {
Self::OneToClear => "oneToClear",
Self::OneToSet => "oneToSet",
Self::OneToToggle => "oneToToggle",
Self::ZeroToClear => "zeroToClear",
Self::ZeroToSet => "zeroToSet",
Self::ZeroToToggle => "zeroToToggle",
Self::Clear => "clear",
Self::Set => "set",
Self::Modify => "modify",
}
}
}