Backlight abstraction and other changes (#439)

* redoes matrix pins, abstracts backlight code for B5,6,7

* slimming down keyboard stuff, backlight breathing implemented

* don't call backlight init when no pin

* cleans up user/kb/quantum calls, keyboard files

* fix pvc atomic

* replaces CHANNEL with correct var in breathing

* removes .hexs, updates readmes, updates template

* cleans-up clueboards, readmes to lowercase

* updates readme

1 files changed, 9 insertions, 3 deletions

diff --git a/quantum/keymap.h b/quantum/keymap.h
index 6ac3d2ace..41fa394ab 100644
--- a/quantum/keymap.h
+++ b/quantum/keymap.h
@@ -125,8 +125,8 @@ enum quantum_keycodes {
     MUV_DE,
 
     // Midi mode on/off
-    MI_ON,
-    MI_OFF,
+    MIDI_ON,
+    MIDI_OFF,
 
     // Backlight functionality
     BL_0,
@@ -154,7 +154,10 @@ enum quantum_keycodes {
     KC_LSPO,
 
     // Right shift, close paren
-    KC_RSPC
+    KC_RSPC,
+
+    // always leave at the end
+    SAFE_RANGE
 };
 
 // Ability to use mods in layouts
@@ -266,6 +269,9 @@ enum quantum_keycodes {
 #define BL_ON  BL_9
 #define BL_OFF BL_0
 
+#define MI_ON MIDI_ON
+#define MI_OFF MIDI_OFF
+
 // GOTO layer - 16 layers max
 // when:
 // ON_PRESS    = 1