Beginning implementation of Pearl backlight. Levels and breathing not working yet.

keyboards/pearl/config.h

@@ -31,6 +31,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLIGHT_ANIMATIONS
 #define RGBLED_NUM 12
 
+#define BACKLIGHT_LEVELS 1
+
 #define MATRIX_ROWS 4
 #define MATRIX_COLS 13
 

keyboards/pearl/keymaps/phil/keymap.c

@@ -0,0 +1,88 @@
+/*
+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/>.
+*/
+
+// Layer shorthand
+#define COLEMAK 0
+#define QWERTY 1
+#define WIN 2
+#define _FN1 3
+#define _FN2 4
+#define LIGHT 5
+
+#include "pearl.h"
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+  [COLEMAK] = KEYMAP(
+      KC_TAB,           KC_Q,    KC_W,    KC_F,    KC_P,   KC_G,   KC_J,   KC_L,   KC_U,    KC_Y,    KC_SCLN,  KC_NO, KC_BSPC,
+      LGUI_T(KC_ESC),   KC_A,    KC_R,    KC_S,    KC_T,   KC_D,   KC_H,   KC_N,   KC_E,    KC_I,    KC_O,     KC_QUOT,
+      LSFT_T(KC_DEL),   KC_Z,    KC_X,    KC_C,    KC_V,   KC_B,   KC_K,   KC_M,   KC_COMM, KC_DOT,  KC_SLSH,  RSFT_T(KC_ENT),
+      KC_LCTL,          KC_LGUI, KC_LALT,    LT(_FN1, KC_SPC),    KC_NO,        LT(_FN2, KC_SPC), TG(QWERTY),  TG(WIN)
+      ),
+  [QWERTY] = KEYMAP(
+      KC_TRNS,   KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I,    KC_O,   KC_P,    KC_NO, KC_TRNS,
+      KC_TRNS,   KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K,    KC_L,   KC_SCLN, KC_TRNS,
+      KC_TRNS,   KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_TRNS,
+      KC_TRNS,          KC_TRNS, KC_TRNS,    KC_TRNS,    KC_NO,        KC_TRNS, KC_TRNS,  KC_TRNS
+      ),
+  [WIN] = KEYMAP(
+      KC_TRNS,        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_NO,  KC_TRNS,
+      LCTL_T(KC_ESC), KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+      KC_TRNS,        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+      KC_LGUI, KC_LALT, KC_LCTL, KC_TRNS, KC_NO,  KC_TRNS,  KC_TRNS,  KC_TRNS
+      ),
+  [_FN1] = KEYMAP(
+      KC_GRV,  KC_MNXT, KC_NO, KC_PIPE, KC_PLUS,  KC_LBRC, KC_RBRC, KC_HOME, KC_UP,   KC_END,  KC_PGUP,   KC_NO,  KC_TRNS,
+      KC_TRNS, KC_MPLY, KC_SPC, KC_UNDS, KC_EQUAL, KC_LPRN, KC_RPRN, KC_LEFT, KC_DOWN, KC_RGHT, KC_PGDOWN, KC_TRNS,
+      KC_TRNS, KC_MPRV, KC_NO, KC_BSLS, KC_MINUS, KC_LCBR, KC_RCBR, KC_NO,   KC_MUTE, KC_VOLU, KC_VOLD,   KC_CAPS,
+      KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_NO,  KC_TRNS,  KC_TRNS,  KC_TRNS
+      ),
+  [_FN2] = KEYMAP(
+      KC_TILD,   KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LBRC, KC_RBRC, KC_NO,  KC_TRNS,
+      KC_TRNS,   KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_TRNS,
+      KC_TRNS,   KC_NO,   KC_NO,   KC_NO,   KC_NO,   KC_NO,   KC_NO,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  KC_CAPS,
+      TG(LIGHT), KC_TRNS, KC_TRNS, KC_TRNS, KC_NO,  KC_TRNS,  KC_TRNS,  KC_TRNS
+      ),
+  [LIGHT] = KEYMAP(
+      RESET, KC_NO,  BL_ON,   BL_INC,  BL_BRTG, RGB_M_P,  RGB_M_B, RGB_MOD,  RGB_HUI,  RGB_SAI, RGB_VAI, KC_NO,  KC_NO,
+      KC_NO, KC_NO,  BL_TOGG, BL_STEP, KC_NO,   RGB_M_SN, RGB_M_K, RGB_TOG,  RGB_HUD,  RGB_SAD, RGB_VAD, KC_NO,
+      KC_NO, KC_NO,  BL_OFF,  BL_DEC,  KC_NO,   KC_NO,    KC_NO,   RGB_RMOD, RGB_M_SW, RGB_M_R, RGB_M_G, KC_NO,
+      TG(LIGHT), KC_NO, KC_NO, KC_NO, KC_NO,  KC_NO,  KC_NO,  KC_NO
+      ),
+};
+
+uint32_t layer_state_set_kb(uint32_t state) {
+  if (state & (1<<QWERTY)){
+    PORTD &= ~(1 << PD0);
+  } else {
+    PORTD |= (1 << PD0);
+  }
+
+  if (state & (1<<WIN)){
+    PORTD &= ~(1 << PD1);
+  }
+  else{
+    PORTD |= (1 << PD1);
+  }
+
+  if (state & (1<<LIGHT)){
+    PORTD &= ~(1 << PD6);
+  }
+  else{
+    PORTD |= (1 << PD6);
+  }
+    return state;
+}

keyboards/pearl/pearl.c

@@ -17,6 +17,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "pearl.h"
 #include "rgblight.h"
+#include "backlight.h"
 
 #include <avr/pgmspace.h>
 
@@ -39,6 +40,19 @@ void rgblight_set(void) {
     i2c_send(0xb0, (uint8_t*)led, 3 * RGBLED_NUM);
 }
 
+void backlight_init_ports(void) {
+  DDRD |= (1<<4);
+  PORTD &= ~(1<<4);
+}
+
+void backlight_set(uint8_t level) {
+  if (level > 0) {
+    PORTD |= (1<<4);
+  } else {
+    PORTD &= ~(1<<4);
+  }
+}
+
 __attribute__ ((weak))
 void matrix_scan_user(void) {
     rgblight_task();

keyboards/pearl/rules.mk

@@ -36,7 +36,7 @@ MOUSEKEY_ENABLE = yes
 EXTRAKEY_ENABLE = yes
 CONSOLE_ENABLE = yes
 COMMAND_ENABLE = yes
-BACKLIGHT_ENABLE = no
+BACKLIGHT_ENABLE = yes
 RGBLIGHT_ENABLE = yes
 RGBLIGHT_CUSTOM_DRIVER = yes