From 0f00b4a9a9fa84653a214e09d0b5201537b4d2d1 Mon Sep 17 00:00:00 2001
From: "James N. V. Cash" <james.nvc@gmail.com>
Date: Wed, 25 Oct 2017 21:17:31 -0400
Subject: [PATCH] Add method to allow upload of keymap for individual layer

---
 src/Kaleidoscope/EEPROM-Keymap-Focus.h |  3 +++
 src/Kaleidoscope/EEPROM-Keymap.cpp     | 16 ++++++++++++++++
 src/Kaleidoscope/EEPROM-Keymap.h       |  1 +
 3 files changed, 20 insertions(+)

diff --git a/src/Kaleidoscope/EEPROM-Keymap-Focus.h b/src/Kaleidoscope/EEPROM-Keymap-Focus.h
index 23bfb61f..931be0ff 100644
--- a/src/Kaleidoscope/EEPROM-Keymap-Focus.h
+++ b/src/Kaleidoscope/EEPROM-Keymap-Focus.h
@@ -23,5 +23,8 @@
 
 #define FOCUS_HOOK_KEYMAP FOCUS_HOOK(EEPROMKeymap.focusKeymap, "keymap.map")
 
+#define FOCUS_HOOK_KEYMAP_LAYER FOCUS_HOOK(EEPROMKeymap.focusKeymapLayer, \
+                                           "keymap.layer")
+
 #define FOCUS_HOOK_KEYMAP_TRANSFER FOCUS_HOOK(EEPROMKeymap.focusKeymapTransfer, \
                                               "keymap.transfer")
diff --git a/src/Kaleidoscope/EEPROM-Keymap.cpp b/src/Kaleidoscope/EEPROM-Keymap.cpp
index e9a9de8d..af6d5507 100644
--- a/src/Kaleidoscope/EEPROM-Keymap.cpp
+++ b/src/Kaleidoscope/EEPROM-Keymap.cpp
@@ -107,6 +107,22 @@ bool EEPROMKeymap::focusKeymap(const char *command) {
   return true;
 }
 
+bool EEPROMKeymap::focusKeymapLayer(const char *command) {
+  if (strcmp_P(command, PSTR("keymap.layer")) != 0) {
+    return false;
+  }
+
+  uint8_t layer = Serial.parseInt();
+  uint16_t keysPerLayer = ROWS * COLS;
+  uint16_t offset = layer * keysPerLayer;
+  for (uint16_t k = 0; (k < keysPerLayer) && (Serial.peek() != '\n'); k++) {
+    updateKey(layer + k, parseKey());
+  }
+
+  return true;
+
+}
+
 bool EEPROMKeymap::focusKeymapTransfer(const char *command) {
   if (strcmp_P(command, PSTR("keymap.transfer")) != 0)
     return false;
diff --git a/src/Kaleidoscope/EEPROM-Keymap.h b/src/Kaleidoscope/EEPROM-Keymap.h
index b1e7de81..66c89620 100644
--- a/src/Kaleidoscope/EEPROM-Keymap.h
+++ b/src/Kaleidoscope/EEPROM-Keymap.h
@@ -36,6 +36,7 @@ class EEPROMKeymap : public KaleidoscopePlugin {
   static Key getKeyOverride(uint8_t layer, byte row, byte col);
 
   static bool focusKeymap(const char *command);
+  static bool focusKeymapLayer(const char *command);
   static bool focusKeymapTransfer(const char *command);
 
   static void updateKey(uint16_t base_pos, Key key);