From 79840c678e13f9a737f80048bc3b9c9c55e3fc77 Mon Sep 17 00:00:00 2001
From: tmk <nobody@nowhere>
Date: Mon, 21 Jul 2014 18:17:52 +0900
Subject: [PATCH] Just ignore ADB Service Request

- to support Adjustable keyboard(composite device?)
---
 protocol/adb.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/protocol/adb.c b/protocol/adb.c
index a4783f36e..f57afac93 100644
--- a/protocol/adb.c
+++ b/protocol/adb.c
@@ -128,6 +128,10 @@ uint16_t adb_host_kbd_recv(void)
     attention();
     send_byte(0x2C);            // Addr:Keyboard(0010), Cmd:Talk(11), Register0(00)
     place_bit0();               // Stopbit(0)
+    if (!wait_data_hi(500)) {    // Service Request(310us Adjustable Keyboard): just ignored
+        sei();
+        return -30;             // something wrong
+    }
     if (!wait_data_lo(500)) {   // Tlt/Stop to Start(140-260us)
         sei();
         return 0;               // No data to send