[Keyboard] New Keyboard: Exent (#6985)

* initial commit

* thank you mr keebs for making this easy. Added 65_ansi macro made from mrkeebs kle2qmk tool.

* split backspace requires an additional row

* change k43 to k42

* add in split space bar support for LAYOUT_all

* add QMK Configurator support

* make default keymap more usable

* update readme

* Update keyboards/exent/info.json

Co-Authored-By: noroadsleft <18669334+noroadsleft@users.noreply.github.com>

* Update keyboards/exent/keymaps/default/keymap.c

Co-Authored-By: fauxpark <fauxpark@gmail.com>

* Update keyboards/exent/keymaps/default/keymap.c

Co-Authored-By: fauxpark <fauxpark@gmail.com>

* Update keyboards/exent/rules.mk

Co-Authored-By: noroadsleft <18669334+noroadsleft@users.noreply.github.com>

1 files changed, 90 insertions, 0 deletions

diff --git a/keyboards/exent/exent.c b/keyboards/exent/exent.c
new file mode 100644
index 000000000..00cd20aff
--- /dev/null
+++ b/keyboards/exent/exent.c
@@ -0,0 +1,90 @@
+/* Copyright 2019 mechmerlin
+ *
+ * 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 "exent.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
+
+// 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);
+}
+
+*/