Add support for LSJ Ares (#5588)

* Add support for LSJ Ares

Thanks to the other ports which have made this port possible.

* Update Ares code per request

* More changes to Ares

* Update Ares rules.mk

Co-Authored-By: Maartenwut <maartenwut@gmail.com>

* Remove escaping backslashes from Ares default keymap

keyboards/ares/ares.c

@@ -0,0 +1,107 @@
+/*
+Copyright 2017 Luiz Ribeiro <luizribeiro@gmail.com>
+
+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 "ares.h"
+
+#ifdef RGBLIGHT_ENABLE
+
+#include <string.h>
+#include "i2c_master.h"
+#include "rgblight.h"
+
+extern rgblight_config_t rgblight_config;
+
+void matrix_init_kb(void) {
+  i2c_init();
+  // call user level keymaps, if any
+  matrix_init_user();
+}
+
+// custom RGB driver
+void rgblight_set(void) {
+  if (!rgblight_config.enable) {
+    memset(led, 0, 3 * RGBLED_NUM);
+  }
+
+  i2c_transmit(0xb0, (uint8_t*)led, 3 * RGBLED_NUM, 100);
+}
+
+bool rgb_init = false;
+
+void matrix_scan_kb(void) {
+  // if LEDs were previously on before poweroff, turn them back on
+  if (rgb_init == false && rgblight_config.enable) {
+    i2c_transmit(0xb0, (uint8_t*)led, 3 * RGBLED_NUM, 100);
+    rgb_init = true;
+  }
+
+  rgblight_task();
+  matrix_scan_user();
+}
+
+#endif
+
+#ifdef BACKLIGHT_ENABLE
+void backlight_init_ports(void) {
+    setPinOutput(D0);
+    setPinOutput(D1);
+    setPinOutput(D4);
+    setPinOutput(D6);
+}
+
+void backlight_set(uint8_t level) {
+	if (level == 0) {
+		// Turn out the lights
+		writePinLow(D0);
+		writePinLow(D1);
+		writePinLow(D4);
+		writePinLow(D6);
+	} else {
+		// Turn on the lights
+		writePinHigh(D0);
+		writePinHigh(D1);
+		writePinHigh(D4);
+		writePinHigh(D6);
+	}
+}
+#endif
+
+// Optional override functions below.
+// You can leave any or all of these undefined.
+// These are only required if you want to perform custom actions.
+
+/*
+void matrix_init_kb(void) {
+  // put your keyboard start-up code here
+  // runs once when the firmware starts up
+  matrix_init_user();
+}
+void matrix_scan_kb(void) {
+  // put your looping keyboard code here
+  // runs every cycle (a lot)
+  matrix_scan_user();
+}
+bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
+  // put your per-action keyboard code here
+  // runs for every action, just before processing by the firmware
+  return process_record_user(keycode, record);
+}
+void led_set_kb(uint8_t usb_led) {
+  // put your keyboard LED indicator (ex: Caps Lock LED) toggling code here
+  led_set_user(usb_led);
+}
+*/