fp-stats command

crosec/src/commands/fp_stats.rs

@@ -0,0 +1,29 @@
+use std::ffi::c_int;
+
+use bytemuck::{Pod, Zeroable};
+
+use crate::{ec_command::ec_command_bytemuck, EcCmdResult};
+
+use super::CrosEcCmd;
+
+#[repr(C, packed)]
+#[derive(Pod, Zeroable, Clone, Copy, Debug)]
+pub struct EcResponseFpStats {
+    pub capture_time_us: u32,
+    pub matching_time_us: u32,
+    pub overall_time_us: u32,
+    pub overall_t0: OverallT0,
+    pub timestamps_invalid: u8,
+    pub template_matched: i8,
+}
+
+#[repr(C, packed)]
+#[derive(Pod, Zeroable, Clone, Copy, Debug)]
+pub struct OverallT0 {
+    pub lo: u32,
+    pub hi: u32,
+}
+
+pub fn fp_stats(fd: c_int) -> EcCmdResult<EcResponseFpStats> {
+    ec_command_bytemuck(CrosEcCmd::FpStats, 0, &(), fd)
+}

crosec/src/commands/mod.rs

@@ -17,12 +17,14 @@ pub enum CrosEcCmd {
     ConsoleSnapshot = 0x0097,
     ConsoleRead = 0x0098,
     FpInfo = 0x0403,
+    FpStats = 0x0407,
     BatteryGetStatic = 0x0600,
 }
 
 pub mod board_version;
 pub mod charge_control;
 pub mod fp_info;
+pub mod fp_stats;
 pub mod get_chip_info;
 pub mod get_cmd_versions;
 pub mod get_features;

ectool/src/main.rs

@@ -4,6 +4,7 @@ use std::os::fd::AsRawFd;
 use clap::{Parser, Subcommand, ValueEnum};
 use color_eyre::eyre::Result;
 use crosec::commands::fp_info::fp_info;
+use crosec::commands::fp_stats::fp_stats;
 use crosec::commands::get_protocol_info::get_protocol_info;
 use num_traits::cast::FromPrimitive;
 
@@ -90,6 +91,7 @@ enum Commands {
         command: Option<ChargeControlSubcommands>,
     },
     FpInfo,
+    FpStats,
 }
 
 #[derive(Subcommand)]
@@ -272,6 +274,12 @@ fn main() -> Result<()> {
             let info = fp_info(fd)?;
             println!("{info:#?}");
         }
+        Commands::FpStats => {
+            let file = File::open(CROS_FP_PATH).unwrap();
+            let fd = file.as_raw_fd();
+            let stats = fp_stats(fd)?;
+            println!("{stats:#?}");
+        }
     }
 
     Ok(())