From a20d513e3cdacbf6e0e70a80402497ad10166434 Mon Sep 17 00:00:00 2001
From: Fred Sundvik <fsundvik@gmail.com>
Date: Sun, 15 May 2016 19:28:15 +0300
Subject: [PATCH] Add function to check if the keyboard is a master

---
 serial_link/system/serial_link.c | 6 +++++-
 serial_link/system/serial_link.h | 1 +
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/serial_link/system/serial_link.c b/serial_link/system/serial_link.c
index 27e61a9e..75c7e77a 100644
--- a/serial_link/system/serial_link.c
+++ b/serial_link/system/serial_link.c
@@ -35,6 +35,7 @@ SOFTWARE.
 
 static event_source_t new_data_event;
 static bool serial_link_connected;
+static bool is_master = false;
 
 static uint8_t keyboard_leds(void);
 static void send_keyboard(report_keyboard_t *report);
@@ -109,6 +110,10 @@ static void print_error(char* str, eventflags_t flags, SerialDriver* driver) {
 #endif
 }
 
+bool is_serial_link_master(void) {
+    return is_master;
+}
+
 // TODO: Optimize the stack size, this is probably way too big
 static THD_WORKING_AREA(serialThreadStack, 1024);
 static THD_FUNCTION(serialThread, arg) {
@@ -128,7 +133,6 @@ static THD_FUNCTION(serialThread, arg) {
         EVENT_MASK(2),
         events);
     bool need_wait = false;
-    bool is_master = false;
     while(true) {
         eventflags_t flags1 = 0;
         eventflags_t flags2 = 0;
diff --git a/serial_link/system/serial_link.h b/serial_link/system/serial_link.h
index 132cb657..351e0387 100644
--- a/serial_link/system/serial_link.h
+++ b/serial_link/system/serial_link.h
@@ -31,6 +31,7 @@ SOFTWARE.
 void init_serial_link(void);
 void init_serial_link_hal(void);
 bool is_serial_link_connected(void);
+bool is_serial_link_master(void);
 host_driver_t* get_serial_link_driver(void);
 void serial_link_update(void);