[Keymap] Add Maxim keymap for Fourier (#4534)

* Add maxim keymap

* Add QMK DFU configuration to Fourier

* Update config.h

* Update keymap.c

* Update config.h

2 files changed, 74 insertions, 0 deletions

diff --git a/keyboards/fourier/keymaps/maxim/config.h b/keyboards/fourier/keymaps/maxim/config.h
new file mode 100644
index 0000000000..fb13b56cdc
--- /dev/null
+++ b/keyboards/fourier/keymaps/maxim/config.h
@@ -0,0 +1,29 @@
+/*
+This is the c configuration file for the keymap
+
+Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2015 Jack Humbert
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+#include "config_common.h"
+
+/* Use I2C or Serial, not both */
+
+#define USE_SERIAL
+// #define USE_I2C
+
diff --git a/keyboards/fourier/keymaps/maxim/keymap.c b/keyboards/fourier/keymaps/maxim/keymap.c
new file mode 100644
index 0000000000..68bd649ecc
--- /dev/null
+++ b/keyboards/fourier/keymaps/maxim/keymap.c
@@ -0,0 +1,45 @@
+#include QMK_KEYBOARD_H
+
+extern keymap_config_t keymap_config;
+
+// Each layer gets a name for readability, which is then used in the keymap matrix below.
+// The underscores don't mean anything - you can have a layer called STUFF or any other name.
+// Layer names don't all need to be of the same length, obviously, and you can also skip them
+// entirely and just use numbers.
+#define _BASE 0
+#define _FN1 1
+#define _FN2 2
+
+enum custom_keycodes {
+  QWERTY = SAFE_RANGE,
+};
+
+
+#define FN1 MO(_FN1)
+#define FN2 MO(_FN2)
+#define SPFN1 LT(_FN1, KC_SPACE)
+#define BSFN2 LT(_FN2, KC_BSPC)
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+  [_BASE] = LAYOUT(
+    KC_ESC,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_DEL,  KC_BSPC,
+    KC_TAB,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_QUOT,          KC_ENT,
+    KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,             KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT,
+    XXXXXXX, KC_LCTL, KC_LALT, XXXXXXX, KC_SPC,           FN1,                       KC_RCTL, KC_RGUI, FN2,  XXXXXXX
+  ),
+
+  [_FN1] = LAYOUT(
+    KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_MINS, KC_EQL,
+    RESET,   RGB_HUI, RGB_SAI, RGB_VAI, KC_VOLU, KC_LBRC, KC_RBRC, KC_4,    KC_5,    KC_6,    KC_SCLN,          _______,
+    RGB_MOD, RGB_HUD, RGB_SAD, RGB_VAD, KC_VOLD, KC_LCBR, KC_RCBR,          KC_1,    KC_2,    KC_3,    KC_UP,   _______,
+    RGB_TOG, _______, _______, _______, _______,          KC_DEL,                    KC_0,    KC_LEFT, KC_DOWN, KC_RGHT
+  ),
+
+  [_FN2] = LAYOUT(
+    KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_UNDS, KC_PLUS,
+    _______, _______, _______, KC_INS,  KC_PGUP, KC_HOME, _______, _______, _______, _______, KC_COLN,          _______,
+    _______, _______, _______, KC_DEL,  KC_PGDN, KC_END,  _______,          _______, _______, _______, _______, _______,
+    _______, _______, _______, _______, KC_DEL,           _______,                   _______, _______, _______, _______
+  )
+
+};