From 2e1a2f98f22ab71292183d0f858d65db6f59083d Mon Sep 17 00:00:00 2001
From: jess <jess@else-if.org>
Date: Thu, 2 Apr 2026 18:19:51 -0700
Subject: [PATCH] add cl_factor protocol support to desktop cue

---
 cue/src/protocol.rs | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/cue/src/protocol.rs b/cue/src/protocol.rs
index 9ab45d6..58d2a0b 100644
--- a/cue/src/protocol.rs
+++ b/cue/src/protocol.rs
@@ -26,6 +26,7 @@ pub const RSP_REF_LP_RANGE: u8 = 0x21;
 pub const RSP_REFS_DONE: u8 = 0x22;
 pub const RSP_CELL_K: u8 = 0x11;
 pub const RSP_REF_STATUS: u8 = 0x23;
+pub const RSP_CL_FACTOR: u8 = 0x24;
 
 /* Cue → ESP32 */
 pub const CMD_SET_SWEEP: u8 = 0x10;
@@ -44,6 +45,8 @@ pub const CMD_START_PH: u8 = 0x24;
 pub const CMD_START_CLEAN: u8 = 0x25;
 pub const CMD_SET_CELL_K: u8 = 0x28;
 pub const CMD_GET_CELL_K: u8 = 0x29;
+pub const CMD_SET_CL_FACTOR: u8 = 0x33;
+pub const CMD_GET_CL_FACTOR: u8 = 0x34;
 pub const CMD_START_REFS: u8 = 0x30;
 pub const CMD_GET_REFS: u8 = 0x31;
 pub const CMD_CLEAR_REFS: u8 = 0x32;
@@ -258,6 +261,7 @@ pub enum EisMessage {
     RefsDone,
     RefStatus { has_refs: bool },
     CellK(f32),
+    ClFactor(f32),
 }
 
 fn decode_u16(data: &[u8]) -> u16 {
@@ -413,6 +417,10 @@ pub fn parse_sysex(data: &[u8]) -> Option<EisMessage> {
             let p = &data[2..];
             Some(EisMessage::CellK(decode_float(&p[0..5])))
         }
+        RSP_CL_FACTOR if data.len() >= 7 => {
+            let p = &data[2..];
+            Some(EisMessage::ClFactor(decode_float(&p[0..5])))
+        }
         _ => None,
     }
 }
@@ -527,3 +535,14 @@ pub fn build_sysex_set_cell_k(k: f32) -> Vec<u8> {
 pub fn build_sysex_get_cell_k() -> Vec<u8> {
     vec![0xF0, SYSEX_MFR, CMD_GET_CELL_K, 0xF7]
 }
+
+pub fn build_sysex_set_cl_factor(f: f32) -> Vec<u8> {
+    let mut sx = vec![0xF0, SYSEX_MFR, CMD_SET_CL_FACTOR];
+    sx.extend_from_slice(&encode_float(f));
+    sx.push(0xF7);
+    sx
+}
+
+pub fn build_sysex_get_cl_factor() -> Vec<u8> {
+    vec![0xF0, SYSEX_MFR, CMD_GET_CL_FACTOR, 0xF7]
+}