Merge pull request #730 from IBNobody/master

Change NKRO Report Size = 32, User Print

23 files changed, 303 insertions, 120 deletions

diff --git a/keyboards/planck/keymaps/pvc/Makefile b/keyboards/planck/keymaps/pvc/Makefile
index 0b2f060de..b2ff961fa 100644
--- a/keyboards/planck/keymaps/pvc/Makefile
+++ b/keyboards/planck/keymaps/pvc/Makefile
@@ -1,12 +1,12 @@
 
 # Build Options
-#   change to "no" to disable the options, or define them in the Makefile in 
+#   change to "no" to disable the options, or define them in the Makefile in
 #   the appropriate keymap folder that will get included automatically
 #
-BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration(+1000)
+BOOTMAGIC_ENABLE = no  # Virtual DIP switch configuration(+1000)
 MOUSEKEY_ENABLE  = yes # Mouse keys(+4700)
 EXTRAKEY_ENABLE  = yes # Audio control and System control(+450)
-CONSOLE_ENABLE   = no  # Console for debug(+400)
+CONSOLE_ENABLE   = yes # Console for debug(+400)
 COMMAND_ENABLE   = yes # Commands for debug and configuration
 NKRO_ENABLE      = yes # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
 BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality
diff --git a/keyboards/planck/keymaps/pvc/config.h b/keyboards/planck/keymaps/pvc/config.h
index 1113372b0..1004c8b99 100644
--- a/keyboards/planck/keymaps/pvc/config.h
+++ b/keyboards/planck/keymaps/pvc/config.h
@@ -68,10 +68,18 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 /* disable debug print */
-//#define NO_DEBUG
+#ifndef NO_DEBUG
+#  define NO_DEBUG
+#endif
 
 /* disable print */
-//#define NO_PRINT
+// #ifndef NO_PRINT
+// #  define NO_PRINT
+// #endif
+
+/* Only print user print statements */
+#define USER_PRINT
+
 
 /* disable action features */
 //#define NO_ACTION_LAYER
diff --git a/keyboards/planck/keymaps/pvc/keymap.c b/keyboards/planck/keymaps/pvc/keymap.c
index 8ff40f377..23aedfc99 100644
--- a/keyboards/planck/keymaps/pvc/keymap.c
+++ b/keyboards/planck/keymaps/pvc/keymap.c
@@ -83,6 +83,7 @@ enum keyboard_macros {
 #define SC_ACLS             LALT(KC_F4)
 #define SC_CCLS             LCTL(KC_F4)
 
+#define TG_NKRO             MAGIC_TOGGLE_NKRO
 #define OS_SHFT             KC_FN0
 
 #define _______             KC_TRNS
@@ -206,7 +207,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 [LAYER_ADJUST] = {
   { XXXXXXX, M_BRTOG, M_BSPDU, M_BSPDD, M_BDFLT, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, MU_TOG , AU_TOG  },
   { XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX },
-  { XXXXXXX, M_QWRTY, XXXXXXX, XXXXXXX, M_BACKL, RESET  , XXXXXXX, M_MOUSE, XXXXXXX, XXXXXXX, MUV_IN , XXXXXXX },
+  { XXXXXXX, M_QWRTY, XXXXXXX, XXXXXXX, M_BACKL, RESET  , TG_NKRO, M_MOUSE, XXXXXXX, XXXXXXX, MUV_IN , XXXXXXX },
   { XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, M_UPPER, XXXXXXX, XXXXXXX, M_LOWER, XXXXXXX, TMPO_DN, MUV_DE , TMPO_UP }
 },
 
@@ -236,7 +237,7 @@ void persistant_default_layer_set(uint16_t default_layer)
 }
 
 const uint16_t PROGMEM fn_actions[] = {
-    [0] = ACTION_MODS_ONESHOT(MOD_LSFT),
+    [0] = ACTION_MODS_ONESHOT(MOD_RSFT),
 };
 
 const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
diff --git a/quantum/keycode_config.h b/quantum/keycode_config.h
index 6216eefc9..c15b0d32f 100644
--- a/quantum/keycode_config.h
+++ b/quantum/keycode_config.h
@@ -1,6 +1,9 @@
 #include "eeconfig.h"
 #include "keycode.h"
 
+#ifndef KEYCODE_CONFIG_H
+#define KEYCODE_CONFIG_H
+
 uint16_t keycode_config(uint16_t keycode);
 
 /* NOTE: Not portable. Bit field order depends on implementation */
@@ -19,3 +22,5 @@ typedef union {
 } keymap_config_t;
 
 extern keymap_config_t keymap_config;
+
+#endif /* KEYCODE_CONFIG_H */
diff --git a/quantum/keymap.h b/quantum/keymap.h
index f2d94d75c..98ddfd0c5 100644
--- a/quantum/keymap.h
+++ b/quantum/keymap.h
@@ -111,6 +111,7 @@ enum quantum_keycodes {
     MAGIC_UNSWAP_BACKSLASH_BACKSPACE,
     MAGIC_UNHOST_NKRO,
     MAGIC_UNSWAP_ALT_GUI,
+    MAGIC_TOGGLE_NKRO,
 
     // Leader key
 #ifndef DISABLE_LEADER
diff --git a/quantum/quantum.c b/quantum/quantum.c
index e3a20f43e..a16bd5443 100644
--- a/quantum/quantum.c
+++ b/quantum/quantum.c
@@ -199,7 +199,7 @@ bool process_record_quantum(keyrecord_t *record) {
 	  return false;
       break;
 	#endif
-    case MAGIC_SWAP_CONTROL_CAPSLOCK ... MAGIC_UNSWAP_ALT_GUI:
+    case MAGIC_SWAP_CONTROL_CAPSLOCK ... MAGIC_TOGGLE_NKRO:
       if (record->event.pressed) {
         // MAGIC actions (BOOTMAGIC without the boot)
         if (!eeconfig_is_enabled()) {
@@ -207,48 +207,73 @@ bool process_record_quantum(keyrecord_t *record) {
         }
         /* keymap config */
         keymap_config.raw = eeconfig_read_keymap();
-        if (keycode == MAGIC_SWAP_CONTROL_CAPSLOCK) {
-            keymap_config.swap_control_capslock = 1;
-        } else if (keycode == MAGIC_CAPSLOCK_TO_CONTROL) {
-            keymap_config.capslock_to_control = 1;
-        } else if (keycode == MAGIC_SWAP_LALT_LGUI) {
-            keymap_config.swap_lalt_lgui = 1;
-        } else if (keycode == MAGIC_SWAP_RALT_RGUI) {
-            keymap_config.swap_ralt_rgui = 1;
-        } else if (keycode == MAGIC_NO_GUI) {
-            keymap_config.no_gui = 1;
-        } else if (keycode == MAGIC_SWAP_GRAVE_ESC) {
-            keymap_config.swap_grave_esc = 1;
-        } else if (keycode == MAGIC_SWAP_BACKSLASH_BACKSPACE) {
-            keymap_config.swap_backslash_backspace = 1;
-        } else if (keycode == MAGIC_HOST_NKRO) {
-            keymap_config.nkro = 1;
-        } else if (keycode == MAGIC_SWAP_ALT_GUI) {
-            keymap_config.swap_lalt_lgui = 1;
-            keymap_config.swap_ralt_rgui = 1;
-        }
-        /* UNs */
-        else if (keycode == MAGIC_UNSWAP_CONTROL_CAPSLOCK) {
-            keymap_config.swap_control_capslock = 0;
-        } else if (keycode == MAGIC_UNCAPSLOCK_TO_CONTROL) {
-            keymap_config.capslock_to_control = 0;
-        } else if (keycode == MAGIC_UNSWAP_LALT_LGUI) {
-            keymap_config.swap_lalt_lgui = 0;
-        } else if (keycode == MAGIC_UNSWAP_RALT_RGUI) {
-            keymap_config.swap_ralt_rgui = 0;
-        } else if (keycode == MAGIC_UNNO_GUI) {
-            keymap_config.no_gui = 0;
-        } else if (keycode == MAGIC_UNSWAP_GRAVE_ESC) {
-            keymap_config.swap_grave_esc = 0;
-        } else if (keycode == MAGIC_UNSWAP_BACKSLASH_BACKSPACE) {
-            keymap_config.swap_backslash_backspace = 0;
-        } else if (keycode == MAGIC_UNHOST_NKRO) {
-            keymap_config.nkro = 0;
-        } else if (keycode == MAGIC_UNSWAP_ALT_GUI) {
-            keymap_config.swap_lalt_lgui = 0;
-            keymap_config.swap_ralt_rgui = 0;
+        switch (keycode)
+        {
+          case MAGIC_SWAP_CONTROL_CAPSLOCK:
+            keymap_config.swap_control_capslock = true;
+            break;
+          case MAGIC_CAPSLOCK_TO_CONTROL:
+            keymap_config.capslock_to_control = true;
+            break;
+          case MAGIC_SWAP_LALT_LGUI:
+            keymap_config.swap_lalt_lgui = true;
+            break;
+          case MAGIC_SWAP_RALT_RGUI:
+            keymap_config.swap_ralt_rgui = true;
+            break;
+          case MAGIC_NO_GUI:
+            keymap_config.no_gui = true;
+            break;
+          case MAGIC_SWAP_GRAVE_ESC:
+            keymap_config.swap_grave_esc = true;
+            break;
+          case MAGIC_SWAP_BACKSLASH_BACKSPACE:
+            keymap_config.swap_backslash_backspace = true;
+            break;
+          case MAGIC_HOST_NKRO:
+            keymap_config.nkro = true;
+            break;
+          case MAGIC_SWAP_ALT_GUI:
+            keymap_config.swap_lalt_lgui = true;
+            keymap_config.swap_ralt_rgui = true;
+            break;
+          case MAGIC_UNSWAP_CONTROL_CAPSLOCK:
+            keymap_config.swap_control_capslock = false;
+            break;
+          case MAGIC_UNCAPSLOCK_TO_CONTROL:
+            keymap_config.capslock_to_control = false;
+            break;
+          case MAGIC_UNSWAP_LALT_LGUI:
+            keymap_config.swap_lalt_lgui = false;
+            break;
+          case MAGIC_UNSWAP_RALT_RGUI:
+            keymap_config.swap_ralt_rgui = false;
+            break;
+          case MAGIC_UNNO_GUI:
+            keymap_config.no_gui = false;
+            break;
+          case MAGIC_UNSWAP_GRAVE_ESC:
+            keymap_config.swap_grave_esc = false;
+            break;
+          case MAGIC_UNSWAP_BACKSLASH_BACKSPACE:
+            keymap_config.swap_backslash_backspace = false;
+            break;
+          case MAGIC_UNHOST_NKRO:
+            keymap_config.nkro = false;
+            break;
+          case MAGIC_UNSWAP_ALT_GUI:
+            keymap_config.swap_lalt_lgui = false;
+            keymap_config.swap_ralt_rgui = false;
+            break;
+          case MAGIC_TOGGLE_NKRO:
+            keymap_config.nkro = !keymap_config.nkro;
+            break;
+          default:
+            break;
         }
         eeconfig_update_keymap(keymap_config.raw);
+        clear_keyboard(); // clear to prevent stuck keys
+
         return false;
       }
       break;
@@ -271,7 +296,7 @@ bool process_record_quantum(keyrecord_t *record) {
         unregister_mods(MOD_BIT(KC_LSFT));
       }
       return false;
-      break;
+      // break;
     }
 
     case KC_RSPC: {
@@ -293,7 +318,7 @@ bool process_record_quantum(keyrecord_t *record) {
         unregister_mods(MOD_BIT(KC_RSFT));
       }
       return false;
-      break;
+      // break;
     }
     default: {
       shift_interrupted[0] = true;
diff --git a/tmk_core/common/action_util.c b/tmk_core/common/action_util.c
index 61ff202be..cb4b25264 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 e53c0dd8e..08d9f93a0 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 6730a2a4a..2c6bcbae5 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 476fc6fe3..54d6117fd 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());
 
@@ -435,8 +435,8 @@ 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");
diff --git a/tmk_core/common/host.c b/tmk_core/common/host.c
index 11a05c2dd..e12b62216 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 9814b10d2..aeabba710 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 c46a701b3..371d93f3e 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 194e4cc02..49617a3d1 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 3647ece75..b1aac2c99 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 26bc529e5..1e7a48c06 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 a1352527f..8836c0fc7 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 e2c9d9bf1..d0c72c46c 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 316650a7b..c6c94e361 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 9b201374a..01c0e45b0 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 1e6ba8719..09efbe076 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 4b87b5d7b..05f479734 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 f460d0ed4..324232851 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            - 240 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