Enable dynamic keymap

keyboards/system76/launch_test/config.h

@@ -36,4 +36,28 @@
 /* Locking resynchronize hack */
 #define LOCKING_RESYNC_ENABLE
 
+// Dynamic keyboard support {
+#define DYNAMIC_KEYMAP_LAYER_COUNT 4
+
+// EEPROM usage
+#define EEPROM_SIZE 1024
+
+// TODO: refactor with new user EEPROM code (coming soon)
+#define EEPROM_MAGIC 0x76EC
+#define EEPROM_MAGIC_ADDR 64
+// Bump this every time we change what we store
+// This will automatically reset the EEPROM with defaults
+// and avoid loading invalid data from the EEPROM
+#define EEPROM_VERSION 0x01
+#define EEPROM_VERSION_ADDR (EEPROM_MAGIC_ADDR + 2)
+
+// Dynamic keymap starts after EEPROM version
+#define DYNAMIC_KEYMAP_EEPROM_ADDR (EEPROM_VERSION_ADDR + 1)
+#define DYNAMIC_KEYMAP_EEPROM_SIZE (DYNAMIC_KEYMAP_LAYER_COUNT * MATRIX_ROWS * MATRIX_COLS * 2)
+// Dynamic macro starts after dynamic keymaps
+#define DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR (DYNAMIC_KEYMAP_EEPROM_ADDR + DYNAMIC_KEYMAP_EEPROM_SIZE)
+#define DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE (EEPROM_SIZE - DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR)
+#define DYNAMIC_KEYMAP_MACRO_COUNT 16
+// } Dynamic keyboard support
+
 #endif // CONFIG_H

keyboards/system76/launch_test/keymaps/default/keymap.c

@@ -1,6 +1,6 @@
 #include QMK_KEYBOARD_H
 
-const uint16_t PROGMEM keymaps[MATRIX_LAYERS][MATRIX_ROWS][MATRIX_COLS] = {
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   [0] = LAYOUT(
     RGB_TOG, RGB_RMOD, RGB_MOD, RGB_HUD, RGB_HUI, RGB_SAD, RGB_SAI, RGB_VAD, RGB_VAI, RGB_M_P, RESET,
     KC_ESC,  KC_1,     KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0

keyboards/system76/launch_test/launch_test.c

@@ -1,19 +1,33 @@
-#include "launch_test.h"
+#include "dynamic_keymap.h"
 #include "raw_hid.h"
+#include "tmk_core/common/eeprom.h"
 
-void keyboard_post_init_user(void) {
+#include "launch_test.h"
-  // Customise these values to desired behaviour
+
-  debug_enable=true;
+enum Command {
-  debug_matrix=true;
+    // Get keyboard map index
-  debug_keyboard=true;
+    CMD_KEYMAP_GET = 9,
-  //debug_mouse=true;
+    // Set keyboard map index
-}
+    CMD_KEYMAP_SET = 10,
+};
 
 static bool keymap_get(uint8_t layer, uint8_t output, uint8_t input, uint16_t *value) {
-	if (layer < MATRIX_LAYERS) {
+	if (layer < dynamic_keymap_get_layer_count()) {
 		if (output < MATRIX_ROWS) {
 			if (input < MATRIX_COLS) {
-				*value = keymap_key_to_keycode(layer, (keypos_t){.row = output, .col = input});
+				*value = dynamic_keymap_get_keycode(layer, output, input);
+				return true;
+			}
+		}
+	}
+	return false;
+}
+
+static bool keymap_set(uint8_t layer, uint8_t output, uint8_t input, uint16_t value) {
+	if (layer < dynamic_keymap_get_layer_count()) {
+		if (output < MATRIX_ROWS) {
+			if (input < MATRIX_COLS) {
+				dynamic_keymap_set_keycode(layer, output, input, value);
 				return true;
 			}
 		}
@@ -26,7 +40,7 @@ void raw_hid_receive(uint8_t *data, uint8_t length) {
 	data[1] = 1;
 
 	switch (data[0]) {
-		case 9: // KEYMAP_GET
+		case CMD_KEYMAP_GET:
 			{
 				uint16_t value = 0;
 				if (keymap_get(data[2], data[3], data[4], &value)) {
@@ -36,7 +50,34 @@ void raw_hid_receive(uint8_t *data, uint8_t length) {
 				}
 			}
 			break;
+        case CMD_KEYMAP_SET:
+            {
+				uint16_t value =
+                    ((uint16_t)data[5]) |
+                    (((uint16_t)data[6]) << 8);
+				if (keymap_set(data[2], data[3], data[4], value)) {
+					data[1] = 0;
+				}
+            }
 	}
 
 	raw_hid_send(data, length);
 }
+
+bool eeprom_is_valid(void) {
+	return (eeprom_read_word(((void*)EEPROM_MAGIC_ADDR)) == EEPROM_MAGIC &&
+			eeprom_read_byte(((void*)EEPROM_VERSION_ADDR)) == EEPROM_VERSION);
+}
+
+void eeprom_set_valid(bool valid) {
+	eeprom_update_word(((void*)EEPROM_MAGIC_ADDR), valid ? EEPROM_MAGIC : 0xFFFF);
+	eeprom_update_byte(((void*)EEPROM_VERSION_ADDR), valid ? EEPROM_VERSION : 0xFF);
+}
+
+void matrix_init_kb(void) {
+    if (!eeprom_is_valid()) {
+        dynamic_keymap_reset();
+        dynamic_keymap_macro_reset();
+        eeprom_set_valid(true);
+    }
+}

keyboards/system76/launch_test/launch_test.h

@@ -3,9 +3,6 @@
 
 #include "quantum.h"
 
-//TODO: determine this automatically
-#define MATRIX_LAYERS 1
-
 #define ___ KC_NO
 
 #define LAYOUT( \

keyboards/system76/launch_test/rules.mk

@@ -22,6 +22,7 @@ MOUSEKEY_ENABLE = no    # Mouse keys(+4700)
 EXTRAKEY_ENABLE = no        # Audio control and System control(+450)
 CONSOLE_ENABLE = no         # Console for debug(+400)
 COMMAND_ENABLE = no         # Commands for debug and configuration
+DYNAMIC_KEYMAP_ENABLE = yes # Reconfigurable keyboard without flashing firmware
 NKRO_ENABLE = yes           # USB Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
 RAW_ENABLE = yes            # Enable RAW HID commands (used by keyboard configurator)
-RGBLIGHT_ENABLE = yes
+RGBLIGHT_ENABLE = yes       # Support for RGB backlight