Merge pull request #4 from jackhumbert/master

Merge from jackhumbert

18 files changed, 223 insertions, 74 deletions

diff --git a/tmk_core/common/action_util.c b/tmk_core/common/action_util.c
index 61ff202bef..cb4b252648 100644
--- a/tmk_core/common/action_util.c
+++ b/tmk_core/common/action_util.c
@@ -20,6 +20,10 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "action_util.h"
 #include "action_layer.h"
 #include "timer.h"
+#include "keycode_config.h"
+
+extern keymap_config_t keymap_config;
+
 
 static inline void add_key_byte(uint8_t code);
 static inline void del_key_byte(uint8_t code);
@@ -139,7 +143,7 @@ void send_keyboard_report(void) {
 void add_key(uint8_t key)
 {
 #ifdef NKRO_ENABLE
-    if (keyboard_protocol && keyboard_nkro) {
+    if (keyboard_protocol && keymap_config.nkro) {
         add_key_bit(key);
         return;
     }
@@ -150,7 +154,7 @@ void add_key(uint8_t key)
 void del_key(uint8_t key)
 {
 #ifdef NKRO_ENABLE
-    if (keyboard_protocol && keyboard_nkro) {
+    if (keyboard_protocol && keymap_config.nkro) {
         del_key_bit(key);
         return;
     }
@@ -231,7 +235,7 @@ uint8_t has_anymod(void)
 uint8_t get_first_key(void)
 {
 #ifdef NKRO_ENABLE
-    if (keyboard_protocol && keyboard_nkro) {
+    if (keyboard_protocol && keymap_config.nkro) {
         uint8_t i = 0;
         for (; i < KEYBOARD_REPORT_BITS && !keyboard_report->nkro.bits[i]; i++)
             ;
diff --git a/tmk_core/common/avr/xprintf.h b/tmk_core/common/avr/xprintf.h
index e53c0dd8e0..08d9f93a0c 100644
--- a/tmk_core/common/avr/xprintf.h
+++ b/tmk_core/common/avr/xprintf.h
@@ -56,8 +56,8 @@ void xitoa(long value, char radix, char width);
 #define xfprintf(func, format, ...)     __xfprintf(func, PSTR(format), ##__VA_ARGS__)
 
 void __xprintf(const char *format_p, ...);	/* Send formatted string to the registered device */
-void __xsprintf(char*, const char *format_p, ...);	/* Put formatted string to the memory */
-void __xfprintf(void(*func)(uint8_t), const char *format_p, ...); /* Send formatted string to the specified device */
+// void __xsprintf(char*, const char *format_p, ...);	/* Put formatted string to the memory */
+// void __xfprintf(void(*func)(uint8_t), const char *format_p, ...); /* Send formatted string to the specified device */
 
 /* Format string is placed in the ROM. The format flags is similar to printf().
 
@@ -88,7 +88,7 @@ void __xfprintf(void(*func)(uint8_t), const char *format_p, ...); /* Send format
 /*-----------------------------------------------------------------------------*/
 char xatoi(char **str, long *ret);
 
-/* Get value of the numeral string. 
+/* Get value of the numeral string.
 
   str
     Pointer to pointer to source string
diff --git a/tmk_core/common/bootmagic.c b/tmk_core/common/bootmagic.c
index 6730a2a4aa..2c6bcbae56 100644
--- a/tmk_core/common/bootmagic.c
+++ b/tmk_core/common/bootmagic.c
@@ -83,10 +83,6 @@ void bootmagic(void)
     }
     eeconfig_update_keymap(keymap_config.raw);
 
-#ifdef NKRO_ENABLE
-    keyboard_nkro = keymap_config.nkro;
-#endif
-
     /* default layer */
     uint8_t default_layer = 0;
     if (bootmagic_scan_keycode(BOOTMAGIC_KEY_DEFAULT_LAYER_0)) { default_layer |= (1<<0); }
diff --git a/tmk_core/common/command.c b/tmk_core/common/command.c
index 476fc6fe3c..fc5aad5c1d 100644
--- a/tmk_core/common/command.c
+++ b/tmk_core/common/command.c
@@ -238,7 +238,7 @@ static void print_status(void)
     print_val_hex8(keyboard_protocol);
     print_val_hex8(keyboard_idle);
 #ifdef NKRO_ENABLE
-    print_val_hex8(keyboard_nkro);
+    print_val_hex8(keymap_config.nkro);
 #endif
     print_val_hex32(timer_read32());
 
@@ -261,7 +261,10 @@ static void print_status(void)
 #ifdef BOOTMAGIC_ENABLE
 static void print_eeconfig(void)
 {
-#ifndef NO_PRINT
+
+// Print these variables if NO_PRINT or USER_PRINT are not defined.
+#if !defined(NO_PRINT) && !defined(USER_PRINT)
+
     print("default_layer: "); print_dec(eeconfig_read_default_layer()); print("\n");
 
     debug_config_t dc;
@@ -435,8 +438,8 @@ static bool command_common(uint8_t code)
 		// NKRO toggle
         case MAGIC_KC(MAGIC_KEY_NKRO):
             clear_keyboard(); // clear to prevent stuck keys
-            keyboard_nkro = !keyboard_nkro;
-            if (keyboard_nkro) {
+            keymap_config.nkro = !keymap_config.nkro;
+            if (keymap_config.nkro) {
                 print("NKRO: on\n");
             } else {
                 print("NKRO: off\n");
@@ -571,7 +574,8 @@ static uint8_t mousekey_param = 0;
 
 static void mousekey_param_print(void)
 {
-#ifndef NO_PRINT
+// Print these variables if NO_PRINT or USER_PRINT are not defined.
+#if !defined(NO_PRINT) && !defined(USER_PRINT)
     print("\n\t- Values -\n");
     print("1: delay(*10ms): "); pdec(mk_delay); print("\n");
     print("2: interval(ms): "); pdec(mk_interval); print("\n");
diff --git a/tmk_core/common/host.c b/tmk_core/common/host.c
index 11a05c2ddd..e12b622165 100644
--- a/tmk_core/common/host.c
+++ b/tmk_core/common/host.c
@@ -22,11 +22,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "util.h"
 #include "debug.h"
 
-
-#ifdef NKRO_ENABLE
-bool keyboard_nkro = true;
-#endif
-
 static host_driver_t *driver;
 static uint16_t last_system_report = 0;
 static uint16_t last_consumer_report = 0;
diff --git a/tmk_core/common/host.h b/tmk_core/common/host.h
index 9814b10d2d..aeabba7107 100644
--- a/tmk_core/common/host.h
+++ b/tmk_core/common/host.h
@@ -28,10 +28,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 extern "C" {
 #endif
 
-#ifdef NKRO_ENABLE
-extern bool keyboard_nkro;
-#endif
-
 extern uint8_t keyboard_idle;
 extern uint8_t keyboard_protocol;
 
diff --git a/tmk_core/common/keyboard.c b/tmk_core/common/keyboard.c
index c46a701b3b..371d93f3e5 100644
--- a/tmk_core/common/keyboard.c
+++ b/tmk_core/common/keyboard.c
@@ -57,6 +57,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #   include "visualizer/visualizer.h"
 #endif
 
+
+
 #ifdef MATRIX_HAS_GHOST
 static bool has_ghost_in_row(uint8_t row)
 {
@@ -106,7 +108,7 @@ void keyboard_init(void) {
     rgblight_init();
 #endif
 #if defined(NKRO_ENABLE) && defined(FORCE_NKRO)
-	keyboard_nkro = true;
+    keymap_config.nkro = 1;
 #endif
 }
 
diff --git a/tmk_core/common/magic.c b/tmk_core/common/magic.c
index 194e4cc026..49617a3d10 100644
--- a/tmk_core/common/magic.c
+++ b/tmk_core/common/magic.c
@@ -27,10 +27,6 @@ void magic(void)
     /* keymap config */
     keymap_config.raw = eeconfig_read_keymap();
 
-#ifdef NKRO_ENABLE
-    keyboard_nkro = keymap_config.nkro;
-#endif
-
     uint8_t default_layer = 0;
     default_layer = eeconfig_read_default_layer();
     default_layer_set((uint32_t)default_layer);
diff --git a/tmk_core/common/mbed/xprintf.cpp b/tmk_core/common/mbed/xprintf.cpp
index 3647ece751..b1aac2c99d 100644
--- a/tmk_core/common/mbed/xprintf.cpp
+++ b/tmk_core/common/mbed/xprintf.cpp
@@ -7,7 +7,7 @@
 #define STRING_STACK_LIMIT    120
 
 //TODO
-int xprintf(const char* format, ...) { return 0; }
+int __xprintf(const char* format, ...) { return 0; }
 
 #if 0
 /* mbed Serial */
diff --git a/tmk_core/common/mbed/xprintf.h b/tmk_core/common/mbed/xprintf.h
index 26bc529e5b..1e7a48c06d 100644
--- a/tmk_core/common/mbed/xprintf.h
+++ b/tmk_core/common/mbed/xprintf.h
@@ -7,7 +7,7 @@
 extern "C" {
 #endif
 
-int xprintf(const char *format, ...);
+int __xprintf(const char *format, ...);
 
 #ifdef __cplusplus
 }
diff --git a/tmk_core/common/print.h b/tmk_core/common/print.h
index a1352527fc..8836c0fc7c 100644
--- a/tmk_core/common/print.h
+++ b/tmk_core/common/print.h
@@ -36,40 +36,140 @@
 
 #ifndef NO_PRINT
 
+#if defined(__AVR__) /* __AVR__ */
 
-#if defined(__AVR__)
+#  include "avr/xprintf.h"
 
-#include "avr/xprintf.h"
-#define print(s)    xputs(PSTR(s))
-#define println(s)  xputs(PSTR(s "\r\n"))
+#  ifdef USER_PRINT /* USER_PRINT */
 
-#ifdef __cplusplus
+// Remove normal print defines
+#    define print(s)
+#    define println(s)
+#    undef xprintf
+#    define xprintf(fmt, ...)
+
+// Create user print defines
+#    define uprint(s)          xputs(PSTR(s))
+#    define uprintln(s)        xputs(PSTR(s "\r\n"))
+#    define uprintf(fmt, ...)  __xprintf(PSTR(fmt), ##__VA_ARGS__)
+
+#  else /* NORMAL PRINT */
+
+// Create user & normal print defines
+#    define print(s)           xputs(PSTR(s))
+#    define println(s)         xputs(PSTR(s "\r\n"))
+#    define uprint(s)          print(s)
+#    define uprintln(s)        println(s)
+#    define uprintf(fmt, ...)  xprintf(fmt, ...)
+
+#  endif /* USER_PRINT / NORMAL PRINT */
+
+#  ifdef __cplusplus
 extern "C"
-#endif
+#  endif
+
 /* function pointer of sendchar to be used by print utility */
 void print_set_sendchar(int8_t (*print_sendchar_func)(uint8_t));
 
-#elif defined(PROTOCOL_CHIBIOS) /* __AVR__ */
+#elif defined(PROTOCOL_CHIBIOS) /* PROTOCOL_CHIBIOS */
+
+#  include "chibios/printf.h"
+
+#  ifdef USER_PRINT /* USER_PRINT */
+
+// Remove normal print defines
+#    define print(s)
+#    define println(s)
+#    define xprintf(fmt, ...)
+
+// Create user print defines
+#    define uprint(s)    printf(s)
+#    define uprintln(s)  printf(s "\r\n")
+#    define uprintf      printf
+
+#  else /* NORMAL PRINT */
+
+// Create user & normal print defines
+#    define print(s)     printf(s)
+#    define println(s)   printf(s "\r\n")
+#    define xprintf      printf
+#    define uprint(s)    printf(s)
+#    define uprintln(s)  printf(s "\r\n")
+#    define uprintf      printf
 
-#include "chibios/printf.h"
+#  endif /* USER_PRINT / NORMAL PRINT */
 
-#define print(s)    printf(s)
-#define println(s)  printf(s "\r\n")
-#define xprintf  printf
+#elif defined(__arm__) /* __arm__ */
 
-#elif defined(__arm__) /* __AVR__ */
+#  include "mbed/xprintf.h"
 
-#include "mbed/xprintf.h"
+#  ifdef USER_PRINT /* USER_PRINT */
 
-#define print(s)    xprintf(s)
-#define println(s)  xprintf(s "\r\n")
+// Remove normal print defines
+#    define print(s)
+#    define println(s)
+#    define xprintf(fmt, ...)
+
+// Create user print defines
+#    define uprintf(fmt, ...)  __xprintf(fmt, ...)
+#    define uprint(s)          xprintf(s)
+#    define uprintln(s)        xprintf(s "\r\n")
+
+#  else /* NORMAL PRINT */
+
+// Create user & normal print defines
+#    define xprintf(fmt, ...)  __xprintf(fmt, ...)
+#    define print(s)           xprintf(s)
+#    define println(s)         xprintf(s "\r\n")
+#    define uprint(s)          print(s)
+#    define uprintln(s)        println(s)
+#    define uprintf(fmt, ...)  xprintf(fmt, ...)
+
+#  endif /* USER_PRINT / NORMAL PRINT */
 
 /* TODO: to select output destinations: UART/USBSerial */
-#define print_set_sendchar(func)
+#  define print_set_sendchar(func)
+
+#endif /* __AVR__ / PROTOCOL_CHIBIOS / __arm__ */
+
+// User print disables the normal print messages in the body of QMK/TMK code and
+// is meant as a lightweight alternative to NOPRINT. Use it when you only want to do
+// a spot of debugging but lack flash resources for allowing all of the codebase to
+// print (and store their wasteful strings).
+//
+// !!! DO NOT USE USER PRINT CALLS IN THE BODY OF QMK/TMK !!!
+//
+#ifdef USER_PRINT
 
-#endif /* __AVR__ */
+// Disable normal print
+#define print_dec(data)
+#define print_decs(data)
+#define print_hex4(data)
+#define print_hex8(data)
+#define print_hex16(data)
+#define print_hex32(data)
+#define print_bin4(data)
+#define print_bin8(data)
+#define print_bin16(data)
+#define print_bin32(data)
+#define print_bin_reverse8(data)
+#define print_bin_reverse16(data)
+#define print_bin_reverse32(data)
+#define print_val_dec(v)
+#define print_val_decs(v)
+#define print_val_hex8(v)
+#define print_val_hex16(v)
+#define print_val_hex32(v)
+#define print_val_bin8(v)
+#define print_val_bin16(v)
+#define print_val_bin32(v)
+#define print_val_bin_reverse8(v)
+#define print_val_bin_reverse16(v)
+#define print_val_bin_reverse32(v)
 
+#else /* NORMAL_PRINT */
 
+//Enable normal print
 /* decimal */
 #define print_dec(i)                xprintf("%u", i)
 #define print_decs(i)               xprintf("%d", i)
@@ -99,6 +199,39 @@ void print_set_sendchar(int8_t (*print_sendchar_func)(uint8_t));
 #define print_val_bin_reverse16(v)  xprintf(#v ": %016b\n", bitrev16(v))
 #define print_val_bin_reverse32(v)  xprintf(#v ": %032lb\n", bitrev32(v))
 
+#endif /* USER_PRINT / NORMAL_PRINT */
+
+// User Print
+
+/* decimal */
+#define uprint_dec(i)               uprintf("%u", i)
+#define uprint_decs(i)              uprintf("%d", i)
+/* hex */
+#define uprint_hex4(i)              uprintf("%X", i)
+#define uprint_hex8(i)              uprintf("%02X", i)
+#define uprint_hex16(i)             uprintf("%04X", i)
+#define uprint_hex32(i)             uprintf("%08lX", i)
+/* binary */
+#define uprint_bin4(i)              uprintf("%04b", i)
+#define uprint_bin8(i)              uprintf("%08b", i)
+#define uprint_bin16(i)             uprintf("%016b", i)
+#define uprint_bin32(i)             uprintf("%032lb", i)
+#define uprint_bin_reverse8(i)      uprintf("%08b", bitrev(i))
+#define uprint_bin_reverse16(i)     uprintf("%016b", bitrev16(i))
+#define uprint_bin_reverse32(i)     uprintf("%032lb", bitrev32(i))
+/* print value utility */
+#define uprint_val_dec(v)           uprintf(#v ": %u\n", v)
+#define uprint_val_decs(v)          uprintf(#v ": %d\n", v)
+#define uprint_val_hex8(v)          uprintf(#v ": %X\n", v)
+#define uprint_val_hex16(v)         uprintf(#v ": %02X\n", v)
+#define uprint_val_hex32(v)         uprintf(#v ": %04lX\n", v)
+#define uprint_val_bin8(v)          uprintf(#v ": %08b\n", v)
+#define uprint_val_bin16(v)         uprintf(#v ": %016b\n", v)
+#define uprint_val_bin32(v)         uprintf(#v ": %032lb\n", v)
+#define uprint_val_bin_reverse8(v)  uprintf(#v ": %08b\n", bitrev(v))
+#define uprint_val_bin_reverse16(v) uprintf(#v ": %016b\n", bitrev16(v))
+#define uprint_val_bin_reverse32(v) uprintf(#v ": %032lb\n", bitrev32(v))
+
 #else   /* NO_PRINT */
 
 #define xprintf(fmt, ...)
@@ -143,5 +276,4 @@ void print_set_sendchar(int8_t (*print_sendchar_func)(uint8_t));
 #define pbin_reverse(data)      print_bin_reverse8(data)
 #define pbin_reverse16(data)    print_bin_reverse16(data)
 
-
 #endif
diff --git a/tmk_core/protocol/chibios/usb_main.c b/tmk_core/protocol/chibios/usb_main.c
index e2c9d9bf14..d0c72c46c7 100644
--- a/tmk_core/protocol/chibios/usb_main.c
+++ b/tmk_core/protocol/chibios/usb_main.c
@@ -28,6 +28,12 @@
 #include "led.h"
 #endif
 
+#ifdef NKRO_ENABLE
+  #include "keycode_config.h"
+
+  extern keymap_config_t keymap_config;
+#endif
+
 /* ---------------------------------------------------------
  *       Global interface variables and declarations
  * ---------------------------------------------------------
@@ -39,9 +45,6 @@ uint16_t keyboard_led_stats __attribute__((aligned(2))) = 0;
 volatile uint16_t keyboard_idle_count = 0;
 static virtual_timer_t keyboard_idle_timer;
 static void keyboard_idle_timer_cb(void *arg);
-#ifdef NKRO_ENABLE
-extern bool keyboard_nkro;
-#endif /* NKRO_ENABLE */
 
 report_keyboard_t keyboard_report_sent = {{0}};
 #ifdef MOUSE_ENABLE
@@ -943,8 +946,8 @@ static bool usb_request_hook_cb(USBDriver *usbp) {
         if((usbp->setup[4] == KBD_INTERFACE) && (usbp->setup[5] == 0)) {   /* wIndex */
           keyboard_protocol = ((usbp->setup[2]) != 0x00);   /* LSB(wValue) */
 #ifdef NKRO_ENABLE
-          keyboard_nkro = !!keyboard_protocol;
-          if(!keyboard_nkro && keyboard_idle) {
+          keymap_config.nkro = !!keyboard_protocol;
+          if(!keymap_config.nkro && keyboard_idle) {
 #else /* NKRO_ENABLE */
           if(keyboard_idle) {
 #endif /* NKRO_ENABLE */
@@ -962,7 +965,7 @@ static bool usb_request_hook_cb(USBDriver *usbp) {
         keyboard_idle = usbp->setup[3];     /* MSB(wValue) */
         /* arm the timer */
 #ifdef NKRO_ENABLE
-        if(!keyboard_nkro && keyboard_idle) {
+        if(!keymap_config.nkro && keyboard_idle) {
 #else /* NKRO_ENABLE */
         if(keyboard_idle) {
 #endif /* NKRO_ENABLE */
@@ -1089,7 +1092,7 @@ static void keyboard_idle_timer_cb(void *arg) {
   }
 
 #ifdef NKRO_ENABLE
-  if(!keyboard_nkro && keyboard_idle) {
+  if(!keymap_config.nkro && keyboard_idle) {
 #else /* NKRO_ENABLE */
   if(keyboard_idle) {
 #endif /* NKRO_ENABLE */
@@ -1122,7 +1125,7 @@ void send_keyboard(report_keyboard_t *report) {
   osalSysUnlock();
 
 #ifdef NKRO_ENABLE
-  if(keyboard_nkro) {  /* NKRO protocol */
+  if(keymap_config.nkro) {  /* NKRO protocol */
     /* need to wait until the previous packet has made it through */
     /* can rewrite this using the synchronous API, then would wait
      * until *after* the packet has been transmitted. I think
diff --git a/tmk_core/protocol/lufa/descriptor.h b/tmk_core/protocol/lufa/descriptor.h
index 316650a7b1..c6c94e3618 100644
--- a/tmk_core/protocol/lufa/descriptor.h
+++ b/tmk_core/protocol/lufa/descriptor.h
@@ -1,4 +1,4 @@
-/* 
+/*
  * Copyright 2012,2013 Jun Wako <wakojun@gmail.com>
  * This file is based on:
  *     LUFA-120219/Demos/Device/Lowlevel/KeyboardMouse
@@ -129,13 +129,13 @@ typedef struct
 #   define MOUSE_INTERFACE          (KEYBOARD_INTERFACE + 1)
 #else
 #   define MOUSE_INTERFACE          KEYBOARD_INTERFACE
-#endif 
+#endif
 
 #ifdef EXTRAKEY_ENABLE
 #   define EXTRAKEY_INTERFACE       (MOUSE_INTERFACE + 1)
 #else
 #   define EXTRAKEY_INTERFACE       MOUSE_INTERFACE
-#endif 
+#endif
 
 #ifdef CONSOLE_ENABLE
 #   define CONSOLE_INTERFACE        (EXTRAKEY_INTERFACE + 1)
@@ -171,7 +171,7 @@ typedef struct
 #define KEYBOARD_IN_EPNUM           1
 
 #ifdef MOUSE_ENABLE
-#   define MOUSE_IN_EPNUM           (KEYBOARD_IN_EPNUM + 1) 
+#   define MOUSE_IN_EPNUM           (KEYBOARD_IN_EPNUM + 1)
 #else
 #   define MOUSE_IN_EPNUM           KEYBOARD_IN_EPNUM
 #endif
@@ -179,7 +179,7 @@ typedef struct
 #ifdef EXTRAKEY_ENABLE
 #   define EXTRAKEY_IN_EPNUM        (MOUSE_IN_EPNUM + 1)
 #else
-#   define EXTRAKEY_IN_EPNUM        MOUSE_IN_EPNUM 
+#   define EXTRAKEY_IN_EPNUM        MOUSE_IN_EPNUM
 #endif
 
 #ifdef CONSOLE_ENABLE
@@ -226,7 +226,7 @@ typedef struct
 #define MOUSE_EPSIZE                8
 #define EXTRAKEY_EPSIZE             8
 #define CONSOLE_EPSIZE              32
-#define NKRO_EPSIZE                 16
+#define NKRO_EPSIZE                 32
 #define MIDI_STREAM_EPSIZE          64
 #define CDC_NOTIFICATION_EPSIZE     8
 #define CDC_EPSIZE                  16
diff --git a/tmk_core/protocol/lufa/lufa.c b/tmk_core/protocol/lufa/lufa.c
index 9b201374a2..01c0e45b0b 100644
--- a/tmk_core/protocol/lufa/lufa.c
+++ b/tmk_core/protocol/lufa/lufa.c
@@ -52,6 +52,13 @@
 #include "descriptor.h"
 #include "lufa.h"
 
+#ifdef NKRO_ENABLE
+  #include "keycode_config.h"
+
+  extern keymap_config_t keymap_config;
+#endif
+
+
 #ifdef AUDIO_ENABLE
     #include <audio.h>
 #endif
@@ -502,7 +509,7 @@ static void send_keyboard(report_keyboard_t *report)
 
     /* Select the Keyboard Report Endpoint */
 #ifdef NKRO_ENABLE
-    if (keyboard_protocol && keyboard_nkro) {
+    if (keyboard_protocol && keymap_config.nkro) {
         /* Report protocol - NKRO */
         Endpoint_SelectEndpoint(NKRO_IN_EPNUM);
 
diff --git a/tmk_core/protocol/pjrc/usb.c b/tmk_core/protocol/pjrc/usb.c
index 1e6ba8719a..09efbe0762 100644
--- a/tmk_core/protocol/pjrc/usb.c
+++ b/tmk_core/protocol/pjrc/usb.c
@@ -1,17 +1,17 @@
 /* USB Keyboard Plus Debug Channel Example for Teensy USB Development Board
  * http://www.pjrc.com/teensy/usb_keyboard.html
  * Copyright (c) 2009 PJRC.COM, LLC
- * 
+ *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
  * in the Software without restriction, including without limitation the rights
  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  * copies of the Software, and to permit persons to whom the Software is
  * furnished to do so, subject to the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice shall be included in
  * all copies or substantial portions of the Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
@@ -41,6 +41,12 @@
 #include "action.h"
 #include "action_util.h"
 
+#ifdef NKRO_ENABLE
+  #include "keycode_config.h"
+
+  extern keymap_config_t keymap_config;
+#endif
+
 
 /**************************************************************************
  *
@@ -694,7 +700,7 @@ ISR(USB_GEN_vect)
 		}
                 /* TODO: should keep IDLE rate on each keyboard interface */
 #ifdef NKRO_ENABLE
-		if (!keyboard_nkro && keyboard_idle && (++div4 & 3) == 0) {
+		if (!keymap_config.nkro && keyboard_idle && (++div4 & 3) == 0) {
 #else
 		if (keyboard_idle && (++div4 & 3) == 0) {
 #endif
@@ -881,7 +887,7 @@ ISR(USB_COM_vect)
 #endif
                     if (bmRequestType == 0x00 && wValue == DEVICE_REMOTE_WAKEUP) {
                         if (bRequest == SET_FEATURE) {
-                            remote_wakeup = true;   
+                            remote_wakeup = true;
                         } else {
                             remote_wakeup = false;
                         }
@@ -932,7 +938,7 @@ ISR(USB_COM_vect)
 				if (bRequest == HID_SET_PROTOCOL) {
 					keyboard_protocol = wValue;
 #ifdef NKRO_ENABLE
-                                        keyboard_nkro = !!keyboard_protocol;
+                                        keymap_config.nkro = !!keyboard_protocol;
 #endif
                                         clear_keyboard();
 					//usb_wait_in_ready();
diff --git a/tmk_core/protocol/pjrc/usb_keyboard.c b/tmk_core/protocol/pjrc/usb_keyboard.c
index 4b87b5d7b5..05f4797340 100644
--- a/tmk_core/protocol/pjrc/usb_keyboard.c
+++ b/tmk_core/protocol/pjrc/usb_keyboard.c
@@ -30,6 +30,12 @@
 #include "util.h"
 #include "host.h"
 
+#ifdef NKRO_ENABLE
+  #include "keycode_config.h"
+
+  extern keymap_config_t keymap_config;
+#endif
+
 
 // protocol setting from the host.  We use exactly the same report
 // either way, so this variable only stores the setting since we
@@ -56,7 +62,7 @@ int8_t usb_keyboard_send_report(report_keyboard_t *report)
     int8_t result = 0;
 
 #ifdef NKRO_ENABLE
-    if (keyboard_nkro)
+    if (keymap_config.nkro)
         result = send_report(report, KBD2_ENDPOINT, 0, KBD2_SIZE);
     else
 #endif
diff --git a/tmk_core/readme.md b/tmk_core/readme.md
index f460d0ed44..5f135617c4 100644
--- a/tmk_core/readme.md
+++ b/tmk_core/readme.md
@@ -23,7 +23,7 @@ These features can be used in your keyboard.
 * Mouse key           - Mouse control with keyboard
 * System Control Key  - Power Down, Sleep, Wake Up and USB Remote Wake up
 * Media Control Key   - Volume Down/Up, Mute, Next/Prev track, Play, Stop and etc
-* USB NKRO            - 120 keys(+ 8 modifiers) simultaneously
+* USB NKRO            - 248 keys(+ 8 modifiers) simultaneously
 * PS/2 mouse support  - PS/2 mouse(TrackPoint) as composite device
 * Keyboard protocols  - PS/2, ADB, M0110, Sun and other old keyboard protocols
 * User Function       - Customizable function of key with writing code
diff --git a/tmk_core/rules.mk b/tmk_core/rules.mk
index 79fc7119a6..e4c8aecb2c 100644
--- a/tmk_core/rules.mk
+++ b/tmk_core/rules.mk
@@ -332,11 +332,13 @@ $1/compiler.txt: $1/force
 	$$(CC) --version | cmp -s - $$@ || $$(CC) --version > $$@
 endef
 
+.PRECIOUS: $(MASTER_OUTPUT)/obj.txt
 $(MASTER_OUTPUT)/obj.txt: $(MASTER_OUTPUT)/force
-	echo '$(OBJ)' | cmp -s - $$@ || echo '$(OBJ)' > $$@
+	echo '$(OBJ)' | cmp -s - $@ || echo '$(OBJ)' > $@
 
+.PRECIOUS: $(MASTER_OUTPUT)/ldflags.txt
 $(MASTER_OUTPUT)/ldflags.txt: $(MASTER_OUTPUT)/force
-	echo '$(LDFLAGS)' | cmp -s - $$@ || echo '$(LDFLAGS)' > $$@
+	echo '$(LDFLAGS)' | cmp -s - $@ || echo '$(LDFLAGS)' > $@
 
 
 # We have to use static rules for the .d files for some reason