Added YMD75 support (#2968)

* Adding ymd75 files

* Added YMD75 support, inc layout json

* Added YMD75 support

1 files changed, 95 insertions, 0 deletions

diff --git a/keyboards/ymd75/ymd75.c b/keyboards/ymd75/ymd75.c
new file mode 100644
index 0000000000..2259dfa5f0
--- /dev/null
+++ b/keyboards/ymd75/ymd75.c
@@ -0,0 +1,95 @@
+/*
+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 "ymd75.h"
+//#include "rgblight.h"
+
+#include <avr/pgmspace.h>
+
+#include "action_layer.h"
+#include "i2c.h"
+#include "quantum.h"
+
+#include "backlight.h"
+#include "backlight_custom.h"
+
+// for keyboard subdirectory level init functions
+// @Override
+void matrix_init_kb(void) {
+    // call user level keymaps, if any
+    matrix_init_user();
+}
+
+#ifdef BACKLIGHT_ENABLE
+/// Overrides functions in `quantum.c`
+void backlight_init_ports(void) {
+    b_led_init_ports();
+}
+
+void backlight_task(void) {
+    b_led_task();
+}
+
+void backlight_set(uint8_t level) {
+    b_led_set(level);
+}
+#endif
+
+#ifdef RGBLIGHT_ENABLE
+extern rgblight_config_t rgblight_config;
+
+// custom RGB driver
+void rgblight_set(void) {
+    if (!rgblight_config.enable) {
+        for (uint8_t i=0; i<RGBLED_NUM; i++) {
+            led[i].r = 0;
+            led[i].g = 0;
+            led[i].b = 0;
+        }
+    }
+    
+    i2c_init();
+    i2c_send(0xb0, (uint8_t*)led, 3 * RGBLED_NUM);
+}
+
+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_init();
+        i2c_send(0xb0, (uint8_t*)led, 3 * RGBLED_NUM);
+        rgb_init = true;
+    }
+    
+    rgblight_task();
+#else
+    void matrix_scan_kb(void) {
+#endif
+        matrix_scan_user();
+        /* Nothing else for now. */
+    }
+    
+    __attribute__((weak)) // overridable
+    void matrix_init_user(void) {
+        
+    }
+    
+    __attribute__((weak)) // overridable
+    void matrix_scan_user(void) {
+        
+    }