From c18c52f551545b46a28902c69730eefbdb75577d Mon Sep 17 00:00:00 2001
From: tmk <nobody@nowhere>
Date: Mon, 14 Oct 2013 23:37:05 +0900
Subject: Merge blargg's fix into adb.c

- <http://geekhack.org/index.php?topic=14290.msg1075201#msg1075201>
---
 converter/adb_usb/matrix.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'converter/adb_usb/matrix.c')

diff --git a/converter/adb_usb/matrix.c b/converter/adb_usb/matrix.c
index 7e5856971..54be2b0f5 100644
--- a/converter/adb_usb/matrix.c
+++ b/converter/adb_usb/matrix.c
@@ -67,6 +67,13 @@ uint8_t matrix_cols(void)
 void matrix_init(void)
 {
     adb_host_init();
+    // wait for keyboard to boot up and receive command
+    _delay_ms(1000);
+    // Enable keyboard left/right modifier distinction
+    // Addr:Keyboard(0010), Cmd:Listen(10), Register3(11)
+    // upper byte: reserved bits 0000, device address 0010
+    // lower byte: device handler 00000011
+    adb_host_listen(0x2B,0x02,0x03);
 
     // initialize matrix state: all keys off
     for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
-- 
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