/// Specifies the side effect following a read operation
#[cfg_attr(
feature = "serde",
derive(serde::Deserialize, serde::Serialize),
serde(rename_all = "camelCase")
)]
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum ReadAction {
/// The register/field is cleared (set to zero) following a read operation
Clear,
/// The register/field is set (set to ones) following a read operation
Set,
/// The register/field is modified in some way after a read operation
Modify,
/// One or more dependent resources other than the current register/field are immediately affected by a read operation
ModifyExternal,
}
impl Default for ReadAction {
fn default() -> Self {
Self::Modify
}
}
impl ReadAction {
/// Parse a string into an [`ReadAction`] value, returning [`Option::None`] if the string is not valid.
pub fn parse_str(s: &str) -> Option<Self> {
use self::ReadAction::*;
match s {
"clear" => Some(Clear),
"set" => Some(Set),
"modify" => Some(Modify),
"modifyExternal" => Some(ModifyExternal),
_ => None,
}
}
/// Convert this [`ReadAction`] into a static string.
pub const fn as_str(self) -> &'static str {
match self {
Self::Clear => "clear",
Self::Set => "set",
Self::Modify => "modify",
Self::ModifyExternal => "modifyExternal",
}
}
}