Merge pull request #5 from jamesnvc/print-layer

Make keymap layer hook able to print map as well

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
+The plugin provides three `Focus` hooks: `FOCUS_HOOK_KEYMAP`, `FOCUS_HOOK_KEYMAP_LAYER`,
-`FOCUS_HOOK_KEYMAP_TRANSFER`. Together, they make the following commands
+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`

src/Kaleidoscope/EEPROM-Keymap.cpp

@@ -115,9 +115,19 @@ bool EEPROMKeymap::focusKeymapLayer(const char *command) {
   uint8_t layer = Serial.parseInt();
   uint16_t keysPerLayer = ROWS * COLS;
   uint16_t offset = layer * keysPerLayer;
+  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;