From 10d9cabac7967fadc57048ff1fe4fdd1eaaf7d7f Mon Sep 17 00:00:00 2001
From: Karolis Stasaitis <contact@carlossless.io>
Date: Wed, 9 Sep 2026 21:59:18 +0200
Subject: [PATCH] device: dierya-dk68se fixups

---
 README.md            |  3 ++-
 src/device_spec.rs   | 13 ++++++++++++-
 src/platform_spec.rs |  6 ++++++
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 07146ff..3163945 100644
--- a/README.md
+++ b/README.md
@@ -75,7 +75,7 @@ sinowisp write \
 | [Aula F87](https://www.aulastar.com/index.php/gaming-keyboard/157.html) | 3e0ebd0c440af5236d7ff8872343f85d | SH68F90A (?) | BYK916 (?) | ✅ | ✅ |
 | [CIY X77](https://a.co/d/fKEpeLU) | 571ea8b315654c39046e4cc3b1e43777 | SH68F89 (?) | BYK816 | ✅ | ✅ |
 | Deltaco Gaming WK95R | 2d169670eae0d36eae8188562c1f66e8 | SH68F90A | BYK916 | ✅ | ✅ |
-| Dierya DK68SE | ❓ | ❓ | BYK903 | ✅ | ✅ |
+| Dierya DK68SE | f7e71254659953fd1d139b815fd9880b | SH68F903A | BYK903 | ✅ | ✅ |
 | Digital Alliance Meca Warrior X | 2d169670eae0d36eae8188562c1f66e8 | SH68F90 | SH68F90S | ✅ | ✅ |
 | E-Yooso Z11 | 3e0ebd0c440af5236d7ff8872343f85d | SH68F90A | BYK901 | ✅ | ✅ |
 | E-Yooso Z82 | 3e0ebd0c440af5236d7ff8872343f85d | SH68F90A | BYK916 | ✅ | ✅ |
@@ -141,6 +141,7 @@ sinowisp write \
 | 3e0ebd0c440af5236d7ff8872343f85d | SH68F90 / SH68F90A | 4096 | ok       | ok       | ok    | only bootloader with USB strings (`Gaming KB`) and an interrupt IN endpoint |
 | cfc8661da8c9d7e351b36c0a763426aa | SH68F90 / SH68F90A | 4096 | ok       | ok       | ok    |                                                                             |
 | 6dac0d2288f2a3d83b5703d979c114ec | SH68F902A          | 3072 | ok       | ?        | ?     | `2d169670` relinked to a 0x3000 base                                        |
+| f7e71254659953fd1d139b815fd9880b | SH68F903A          | 4096 | ?        | ?        | ok    |                                                                             |
 
 ## Prerequisites
 
diff --git a/src/device_spec.rs b/src/device_spec.rs
index 768fad8..c4349f7 100644
--- a/src/device_spec.rs
+++ b/src/device_spec.rs
@@ -2,6 +2,7 @@ use phf::{phf_map, Map};
 
 use crate::platform_spec::{
     PlatformSpec, PLATFORM_SH68F881, PLATFORM_SH68F89, PLATFORM_SH68F90, PLATFORM_SH68F902,
+    PLATFORM_SH68F903,
 };
 
 const DEFAULT_ISP_IFACE_NUM: i32 = 1;
@@ -85,6 +86,16 @@ pub const DEVICE_BASE_SH68F902: DeviceSpec = DeviceSpec {
     isp_transform: None,
 };
 
+pub const DEVICE_BASE_SH68F903: DeviceSpec = DeviceSpec {
+    vendor_id: 0x0000,
+    product_id: 0x0000,
+    platform: PLATFORM_SH68F903,
+    isp_iface_num: DEFAULT_ISP_IFACE_NUM,
+    isp_report_id: DEFAULT_ISP_REPORT_ID,
+    reboot: DEFAULT_REBOOT,
+    isp_transform: None,
+};
+
 pub const DEVICE_AOKO_K101: DeviceSpec = DeviceSpec {
     vendor_id: 0x258a,
     product_id: 0x0155,
@@ -124,7 +135,7 @@ pub const DEVICE_DELTACO_WK95R: DeviceSpec = DeviceSpec {
 pub const DEVICE_DIERYA_DK68SE: DeviceSpec = DeviceSpec {
     vendor_id: 0x258a,
     product_id: 0x013b,
-    ..DEVICE_BASE_SH68F90
+    ..DEVICE_BASE_SH68F903
 };
 
 pub const DEVICE_DIGITALALLIANCE_MECA_WARRIOR_X: DeviceSpec = DeviceSpec {
diff --git a/src/platform_spec.rs b/src/platform_spec.rs
index a5cdbef..f207951 100644
--- a/src/platform_spec.rs
+++ b/src/platform_spec.rs
@@ -38,11 +38,17 @@ pub const PLATFORM_SH68F902: PlatformSpec = PlatformSpec {
     ..PLATFORM_DEFAULT
 };
 
+pub const PLATFORM_SH68F903: PlatformSpec = PlatformSpec {
+    firmware_size: 32768 - PLATFORM_DEFAULT.bootloader_size, // 28672 until bootloader
+    ..PLATFORM_DEFAULT
+};
+
 pub static PLATFORMS: Map<&'static str, PlatformSpec> = phf_map! {
     "sh68f89" => PLATFORM_SH68F89,
     "sh68f881" => PLATFORM_SH68F881,
     "sh68f90" => PLATFORM_SH68F90,
     "sh68f902" => PLATFORM_SH68F902,
+    "sh68f903" => PLATFORM_SH68F903,
 };
 
 impl PlatformSpec {