From 7df9e584fa1ee31ab5bb35b1c7fa09845cba0a80 Mon Sep 17 00:00:00 2001
From: sprayed <32306510+sprayed@users.noreply.github.com>
Date: Tue, 5 Feb 2019 13:01:35 -0500
Subject: [Keyboard] Add support for jj4x4 numpad/macropad by Kprepublic
 (#5016)

* added keyboard jj4x4, a shorter version of the jj40

* removed useless file

* edited jj4x4 readme.md

* optimized array size in jj4x4 config.h, removed reference to jj40 layouts from rules.mk

* removed custom matrix for this ps2avrgb board, refactored column and row pins
---
 keyboards/jj4x4/jj4x4.c | 97 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 keyboards/jj4x4/jj4x4.c

(limited to 'keyboards/jj4x4/jj4x4.c')

diff --git a/keyboards/jj4x4/jj4x4.c b/keyboards/jj4x4/jj4x4.c
new file mode 100644
index 0000000000..6fbff7afba
--- /dev/null
+++ b/keyboards/jj4x4/jj4x4.c
@@ -0,0 +1,97 @@
+/*
+Copyright 2017 Luiz Ribeiro <luizribeiro@gmail.com>
+Modified 2018 Kenneth A. <github.com/krusli>
+
+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 "jj4x4.h"
+
+#include <avr/pgmspace.h>
+
+#include "action_layer.h"
+#include "quantum.h"
+
+#include "i2c.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) {
+
+}
-- 
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