From 50a3b2fb7a1e9bf6461f27d939cf83270142be1a Mon Sep 17 00:00:00 2001
From: Adam Greenwood-Byrne <adam@isometim.es>
Date: Sun, 28 Mar 2021 16:57:45 +0100
Subject: [PATCH] Got mouse coords working with iOS peripheral

---
 part12-wgt/wgt/mouse.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/part12-wgt/wgt/mouse.c b/part12-wgt/wgt/mouse.c
index c4bf41a..34907be 100644
--- a/part12-wgt/wgt/mouse.c
+++ b/part12-wgt/wgt/mouse.c
@@ -163,17 +163,17 @@ void acl_poll()
 	  unsigned char d2 = bt_waitReadByte();
 
 	  unsigned int dlen = d1 | (d2 << 8);
+	  unsigned char data[dlen];
+
+	  for (int i=0;i<dlen;i++) data[i] = bt_waitReadByte();
 
 	  if (dlen > 7) {
-	     unsigned char data[dlen];
-	     for (int i=0;i<dlen;i++) data[i] = bt_waitReadByte();
-
 	     unsigned int length = data[0] | (data[1] << 8);
 	     unsigned int channel = data[2] | (data[3] << 8);
 	     unsigned char opcode = data[4];
  
 	     if (thandle == connection_handle && opcode == 0x1b) {
-	        if (channel == 4 && data[5] == 0x2a && data[6] == 0x00) {
+	        if (channel == 4 && data[5] == 0x3b && data[6] == 0x00) {
                    if (length == 7) msetxy(data[7] | (data[8] << 8), data[9] | (data[10] << 8));
                    if (length == 5) msetbut(data[7], data[8]);
                 }