From 9b8bba2ec774705eacb1143c2350b0a2fa0cf817 Mon Sep 17 00:00:00 2001
From: shun suzuki <suzuki@hapis.k.u-tokyo.ac.jp>
Date: Fri, 24 Jan 2025 08:46:47 +0900
Subject: [PATCH] add `#[repr(C)]` to `GainSTMOption`

---
 autd3-driver/src/datagram/stm/gain/mod.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/autd3-driver/src/datagram/stm/gain/mod.rs b/autd3-driver/src/datagram/stm/gain/mod.rs
index 868c9172..71437d23 100644
--- a/autd3-driver/src/datagram/stm/gain/mod.rs
+++ b/autd3-driver/src/datagram/stm/gain/mod.rs
@@ -53,6 +53,7 @@ pub trait GainSTMGenerator: std::fmt::Debug {
 
 /// The option for the [`GainSTM`].
 #[derive(Copy, Clone, Debug, PartialEq)]
+#[repr(C)]
 pub struct GainSTMOption {
     /// The mode of the STM. The default is [`GainSTMMode::PhaseIntensityFull`].
     pub mode: GainSTMMode,