From e85f97e6eecb812223bc289403293adbeb20f534 Mon Sep 17 00:00:00 2001
From: Yeyin Hu <yinr@yinr.cc>
Date: Sun, 16 Nov 2025 21:16:01 +0800
Subject: [PATCH] fix uc8159 bw sendimg

---
 html/js/main.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/html/js/main.js b/html/js/main.js
index a3118b8..a2490ef 100644
--- a/html/js/main.js
+++ b/html/js/main.js
@@ -230,7 +230,12 @@ async function sendimg() {
       await writeImage(redWhiteData, 'red');
     }
   } else if (ditherMode === 'blackWhiteColor') {
-    await writeImage(processedData, 'bw');
+    if (epdDriverSelect.value === '08' || epdDriverSelect.value === '09') {
+      const emptyData = new Uint8Array(processedData.length).fill(0xFF);
+      await writeImage(convertUC8159(processedData, emptyData), 'bw');
+    } else {
+      await writeImage(processedData, 'bw');
+    }
   } else {
     addLog("当前固件不支持此颜色模式。");
     updateButtonStatus();