From 2c10af666bdbf63eeeb370efa85f011b3aac3bd8 Mon Sep 17 00:00:00 2001
From: Adam Greenwood-Byrne <adam@isometim.es>
Date: Fri, 26 Mar 2021 22:28:41 +0000
Subject: [PATCH] Getting mouse library to work with iOS BLE
 peripheral/controller

---
 part12-wgt/lib/bt.c    | 3 ++-
 part12-wgt/wgt/mouse.c | 4 ++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/part12-wgt/lib/bt.c b/part12-wgt/lib/bt.c
index 9e987ce..912dd47 100644
--- a/part12-wgt/lib/bt.c
+++ b/part12-wgt/lib/bt.c
@@ -232,7 +232,7 @@ void sendACLsubscribe(unsigned int handle)
     bt_writeByte(lo(channel));
     bt_writeByte(hi(channel));
 
-    volatile unsigned char command[5] = { 0x12, 0x2b, 0x00, 0x01, 0x00 };
+    volatile unsigned char command[5] = { 0x12, 0x3d, 0x00, 0x01, 0x00 };
 
     unsigned int c=0;
     while (c++<data_length) bt_writeByte(command[c-1]);
@@ -353,6 +353,7 @@ void connect(unsigned char *addr)
 
     command[0] = lo(p);
     command[2] = lo(q);
+    command[5] = 1; // Necessary for iOS connection
     command[6] = *(addr+5);
     command[7] = *(addr+4);
     command[8] = *(addr+3);
diff --git a/part12-wgt/wgt/mouse.c b/part12-wgt/wgt/mouse.c
index dc874d3..c4bf41a 100644
--- a/part12-wgt/wgt/mouse.c
+++ b/part12-wgt/wgt/mouse.c
@@ -138,9 +138,9 @@ void bt_conn()
     while ( (buf = hci_poll()) ) {
        if (!connected && data_len >= 2 && buf[0] == LE_CONNECT_CODE) {
           connected = !*(buf+1);
-	  connection_handle = *(buf+2) | (*(buf+3) << 8);
+          connection_handle = *(buf+2) | (*(buf+3) << 8);
 
-	  if (connection_handle == 0) delay(1);
+          if (connected == 0) wait_msec(0x186A);
        }
     }
 }