Add clap feature to crosec for better fp-mode command

crosec/Cargo.toml

@@ -7,10 +7,14 @@ edition = "2021"
 
 [dependencies]
 bytemuck = { version = "1.16.0", features = ["derive"] }
+clap = { version = "4.5.6", optional = true }
 nix = { version = "0.27.1", features = ["ioctl"] }
 num = "0.4.3"
 num-derive = "0.4.2"
 num-traits = "0.2.18"
 strum = "0.26.2"
 strum_macros = "0.26.4"
 thiserror = "1.0.57"
+
+[features]
+clap = ["dep:clap"]

crosec/src/commands/fp_mode.rs

@@ -9,6 +9,7 @@ use super::CrosEcCmd;
 
 /// Note that with the ChromiumOS ectool, to start enrolling, as well as continue the next step in enrolling, you do `ectool --name=cros_fp fpmode enroll`. The equivalent of this is to do `ectool fp-mode EnrollImage EnrollSession`.
 #[derive(EnumString, EnumIter, IntoStaticStr, Clone, Copy)]
+#[cfg_attr(feature = "clap", derive(clap::ValueEnum))]
 #[repr(u32)]
 pub enum FpMode {
     Reset = 0b00000000000000000000000000000000,

ectool/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-crosec = { version = "0.1.0", path = "../crosec" }
+crosec = { version = "0.1.0", path = "../crosec", features = ["clap"] }
 color-eyre = "0.6.2"
 clap = { version = "4.5.4", features = ["derive"] }
 num-traits = "0.2.19"

ectool/src/main.rs

@@ -102,7 +102,7 @@ enum Commands {
         seed: String,
     },
     FpMode {
-        mode: Vec<String>,
+        mode: Vec<FpMode>,
     },
     WaitEvent {
         event_type: String,
@@ -252,7 +252,7 @@ fn main() -> Result<()> {
             let mode = if mode.len() > 0 {
                 let mut mode_number: u32 = 0;
                 for mode in mode {
-                    mode_number |= FpMode::from_str(&mode)? as u32;
+                    mode_number |= mode as u32;
                 }
                 mode_number
             } else {