From 6dcc6a9277ae5a30c32c98f6dc85d2738f274f79 Mon Sep 17 00:00:00 2001
From: "James N. V. Cash" <james.nvc@gmail.com>
Date: Thu, 26 Oct 2017 08:16:48 -0400
Subject: [PATCH 1/2] Teach plugin to print out the contents of a given layer

---
 src/Kaleidoscope/EEPROM-Keymap.cpp | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/Kaleidoscope/EEPROM-Keymap.cpp b/src/Kaleidoscope/EEPROM-Keymap.cpp
index af6d5507..7d83e792 100644
--- a/src/Kaleidoscope/EEPROM-Keymap.cpp
+++ b/src/Kaleidoscope/EEPROM-Keymap.cpp
@@ -115,8 +115,18 @@ bool EEPROMKeymap::focusKeymapLayer(const char *command) {
   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());
+  if (Serial.peek() == '\n') {
+    for (uint8_t row = 0; row < ROWS; row++) {
+      for (uint8_t col = 0; col < COLS; col++) {
+        Key k = Layer.getKey(layer, row, col);
+        printKey(k);
+        ::Focus.printSpace();
+      }
+    }
+  } else {
+    for (uint16_t k = 0; (k < keysPerLayer) && (Serial.peek() != '\n'); k++) {
+      updateKey(layer + k, parseKey());
+    }
   }
 
   return true;

From e4cf2e4c755be8f667a381b07b8d9e7528cf1142 Mon Sep 17 00:00:00 2001
From: "James N. V. Cash" <james.nvc@gmail.com>
Date: Thu, 26 Oct 2017 08:21:01 -0400
Subject: [PATCH 2/2] Add documentation about new hook to readme

---
 README.md | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 8ab29ee4..3afc9628 100644
--- a/README.md
+++ b/README.md
@@ -67,8 +67,8 @@ The plugin provides the `EEPROMKeymap` object, which has the following methods:
 
 ## Focus commands
 
-The plugin provides two `Focus` hooks: `FOCUS_HOOK_KEYMAP`, and
-`FOCUS_HOOK_KEYMAP_TRANSFER`. Together, they make the following commands
+The plugin provides three `Focus` hooks: `FOCUS_HOOK_KEYMAP`, `FOCUS_HOOK_KEYMAP_LAYER`,
+and `FOCUS_HOOK_KEYMAP_TRANSFER`. Together, they make the following commands
 available, respectively:
 
 ### `keymap.map [codes...]`
@@ -81,6 +81,13 @@ available, respectively:
 > layer, and go on as long as it has input. It will not go past the layer set
 > via the `.max_layers()` method.
 
+### `keymap.layer LAYER [codes...]`
+
+> Without codes, prints the keymap for the given layer (zero-indexed).
+> Prints each key as its raw 16-bit keycode.
+
+> With codes, stores them as the keymap for the given layer.
+
 ### `keymap.transfer LAYER`
 
 > Transfers the `LAYER` from the built-in memory of the keyboard into `EEPROM`