Refactor Leopold keyboards and add support for new FC980C controller

data/mappings/keyboard_aliases.hjson

@@ -194,6 +194,12 @@
     "exclusive/e85": {
         "target": "exclusive/e85/hotswap"
     },
+    "fc660c": {
+        "target": "leopold/fc660c"
+    },
+    "fc980c": {
+        "target": "leopold/fc980c/hasu"
+    },
     "gh60": {
         "target": "gh60/revc"
     },

keyboards/leopold/actuation_point.c

@@ -0,0 +1,53 @@
+/*
+Copyright 2017 Balz Guenat
+
+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/>.
+*/
+
+#include "actuation_point.h"
+
+#include "ad5258.h"
+
+#include "util.h"
+
+#ifdef ACTUATION_DEPTH_ADJUSTMENT
+int8_t actuation_point_make_shallower(void) {
+    return actuation_point_adjust(-1 * ACTUATION_DEPTH_ADJUSTMENT);
+}
+
+int8_t actuation_point_make_deeper(void) {
+    return actuation_point_adjust(ACTUATION_DEPTH_ADJUSTMENT);
+}
+
+int8_t actuation_point_adjust(int8_t offset) {
+    int8_t ret = -1;
+    int8_t rdac = ad5258_read_rdac();
+
+    if (rdac >= 0) {
+        int8_t rdac_new = rdac + offset;
+
+        if (offset > 0) {
+            ret = ad5258_write_rdac(MIN(AD5258_RDAC_MAX, rdac_new));
+        } else if (offset < 0) {
+            ret = ad5258_write_rdac(MAX(AD5258_RDAC_MIN, rdac_new));
+        }
+    }
+
+    return ret;
+}
+
+void actuation_point_reset(void) {
+    ad5258_restore_from_eeprom();
+}
+#endif