Promethium rev2

* 10 more indicator LEDs
* Piezo buzzer
* Uses HC138 decoder to free up 5 pins
* Trackpoint buttons are now part of matrix

6 files changed, 372 insertions, 29 deletions

diff --git a/keyboards/handwired/promethium/config.h b/keyboards/handwired/promethium/config.h
index 24f02993fb..a13406b0dd 100644
--- a/keyboards/handwired/promethium/config.h
+++ b/keyboards/handwired/promethium/config.h
@@ -35,12 +35,13 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define DESCRIPTION
 
 /* key matrix size */
-#define MATRIX_ROWS 8
 #define MATRIX_COLS 6
+#define MATRIX_ROWS 9
 
 /* default pin-out */
-#define MATRIX_COL_PINS { B6, B7, D6, C7, F6, F7 }
-#define MATRIX_ROW_PINS { D7, C6, D0, D1, F5, F4, F1, F0 }
+#define MATRIX_COL_PINS { F4, F1, F0, D6, D0, D1 }
+#define MATRIX_ROW_PINS { F5, F6, F7 }
+#define TRACKPOINT_PINS { B7, B6, D7 }
 #define UNUSED_PINS
 
 /*
@@ -152,17 +153,20 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //#define NO_ACTION_MACRO
 //#define NO_ACTION_FUNCTION
 
-#define PS2_INIT_DELAY 2000
+#define PS2_INIT_DELAY 3000
 #define BATTERY_PIN 9
 #define BATTERY_POLL 30000
 #define MAX_VOLTAGE 4.2
 #define MIN_VOLTAGE 3.2
 
+#define ___ KC_NO
+
 #define KEYMAP( \
-    k11, k12, k13, k14, k15, k16, k17, k18, k19, k1a, k1b, k1c, \
-    k21, k22, k23, k24, k25, k26, k27, k28, k29, k2a, k2b, k2c, \
-    k31, k32, k33, k34, k35, k36, k37, k38, k39, k3a, k3b, k3c, \
-    k41, k42, k43, k44, k45, k46, k47, k48, k49, k4a, k4b, k4c \
+    k11, k12, k13, k14, k15, k16,      k17, k18, k19, k1a, k1b, k1c, \
+    k21, k22, k23, k24, k25, k26,      k27, k28, k29, k2a, k2b, k2c, \
+    k31, k32, k33, k34, k35, k36,      k37, k38, k39, k3a, k3b, k3c, \
+    k41, k42, k43, k44, k45, k46,      k47, k48, k49, k4a, k4b, k4c, \
+                             tp1, tp2, tp3 \
 ) \
 { \
     {k11, k12, k13, k14, k15, k16}, \
@@ -172,18 +176,29 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
     {k17, k18, k19, k1a, k1b, k1c}, \
     {k27, k28, k29, k2a, k2b, k2c}, \
     {k37, k38, k39, k3a, k3b, k3c}, \
-    {k47, k48, k49, k4a, k4b, k4c} \
+    {k47, k48, k49, k4a, k4b, k4c}, \
+    {tp1, tp2, tp3, ___, ___, ___}  \
 }
 
 #ifndef __ASSEMBLER__ // assembler doesn't like enum in .h file
 enum led_sequence {
+  LED_IND_LINUX,
+  LED_IND_APPLE,
+  LED_IND_WINDOWS,
+  LED_IND_QWERTY,
+  LED_IND_ALT,
+  LED_IND_AUDIO,
   LED_IND_BLUETOOTH,
   LED_IND_USB,
-  LED_IND_BATTERY,
 
+  LED_IND_BATTERY,
+  LED_IND_CAPSLOCK,
+  LED_IND_GUI,
   LED_IND_FUN,
   LED_IND_NUM,
+  LED_IND_PUNC,
   LED_IND_EMOJI,
+  LED_IND_GREEK,
 
   LED_BKSP,
   LED_ENT,
@@ -261,7 +276,7 @@ enum led_sequence {
 #   define PS2_CLOCK_PORT  PORTD
 #   define PS2_CLOCK_PIN   PIND
 #   define PS2_CLOCK_DDR   DDRD
-#   define PS2_CLOCK_BIT   1
+#   define PS2_CLOCK_BIT   3
 #   define PS2_DATA_PORT   PORTD
 #   define PS2_DATA_PIN    PIND
 #   define PS2_DATA_DDR    DDRD
diff --git a/keyboards/handwired/promethium/keymaps/priyadi/Makefile b/keyboards/handwired/promethium/keymaps/priyadi/Makefile
index 46fdfa0118..e3428254f6 100644
--- a/keyboards/handwired/promethium/keymaps/priyadi/Makefile
+++ b/keyboards/handwired/promethium/keymaps/priyadi/Makefile
@@ -19,6 +19,7 @@ BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
 RGBLIGHT_ENABLE = no        # Enable WS2812 RGB underlight.  Do not enable this with audio at the same time.
 PS2_MOUSE_ENABLE = yes
 PS2_USE_INT = yes
+FAUXCLICKY_ENABLE = yes
 
 # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
 SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
diff --git a/keyboards/handwired/promethium/keymaps/priyadi/keymap.c b/keyboards/handwired/promethium/keymaps/priyadi/keymap.c
index cf7c67339d..61af0a8893 100644
--- a/keyboards/handwired/promethium/keymaps/priyadi/keymap.c
+++ b/keyboards/handwired/promethium/keymaps/priyadi/keymap.c
@@ -574,7 +574,8 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_BSPC,
   KC_ESC,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_QUOT, KC_ENT ,
   KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT,
-  KC_LCTL, KC_LALT, KC_LGUI, EMPTY,   NUM,     LSPACE,  RSPACE,  FUN,     GREEK,   KC_RGUI, C_RALT,  KC_RCTL
+  KC_LCTL, KC_LALT, KC_LGUI, EMPTY,   NUM,     LSPACE,  RSPACE,  FUN,     GREEK,   KC_RGUI, C_RALT,  KC_RCTL,
+                                           _______, _______, _______
 ),
 
 /* Dvorak
@@ -593,7 +594,8 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   _______, KC_QUOT, KC_COMM, KC_DOT,  KC_P,    KC_Y,    KC_F,    KC_G,    KC_C,    KC_R,    KC_L,    _______,
   _______, KC_A,    KC_O,    KC_E,    KC_U,    KC_I,    KC_D,    KC_H,    KC_T,    KC_N,    KC_S,    _______,
   _______, KC_SLSH, KC_Q,    KC_J,    KC_K,    KC_X,    KC_B,    KC_M,    KC_W,    KC_V,    KC_Z,    _______,
-  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
+  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+                                           _______, _______, _______
 ),
 #endif
 
@@ -614,7 +616,8 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   _______, KC_Q,    KC_W,    KC_F,    KC_P,    KC_G,    KC_J,    KC_L,    KC_U,    KC_Y,    KC_QUOT, _______,
   _______, KC_A,    KC_R,    KC_S,    KC_T,    KC_D,    KC_H,    KC_N,    KC_E,    KC_I,    KC_O,    _______,
   _______, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_K,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, _______,
-  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
+  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+                                           _______, _______, _______
 ),
 #endif
 
@@ -635,7 +638,8 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   _______, KC_Q,    KC_W,    KC_D,    KC_F,    KC_K,    KC_J,    KC_U,    KC_R,    KC_L,    KC_QUOT, _______,
   _______, KC_A,    KC_S,    KC_E,    KC_T,    KC_G,    KC_Y,    KC_N,    KC_I,    KC_O,    KC_H,    _______,
   _______, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_P,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, _______,
-  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
+  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+                                           _______, _______, _______
 ),
 #endif
 
@@ -656,7 +660,8 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   _______, KC_Q,    KC_D,    KC_R,    KC_W,    KC_B,    KC_J,    KC_F,    KC_U,    KC_P,    KC_QUOT, _______,
   _______, KC_A,    KC_S,    KC_H,    KC_T,    KC_G,    KC_Y,    KC_N,    KC_E,    KC_O,    KC_I,    _______,
   _______, KC_Z,    KC_X,    KC_M,    KC_C,    KC_V,    KC_K,    KC_L,    KC_COMM, KC_DOT,  KC_SLSH, _______,
-  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
+  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+                                           _______, _______, _______
 ),
 #endif
 
@@ -675,7 +680,8 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, X(LTEQ), X(GTEQ), _______,
   KC_GRV,  KC_ASTR, KC_BSLS, KC_MINS,  KC_EQL, KC_SLSH, X(NOTEQ),KC_LPRN, KC_RPRN, KC_LABK, KC_RABK, _______,
   KC_AMPR, KC_CIRC, KC_PIPE, KC_UNDS, KC_PLUS, KC_QUES, X(PLMIN),KC_LBRC, KC_RBRC, KC_LCBR, KC_RCBR, _______,
-  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_COLN, _______
+  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_COLN, _______,
+                                           _______, _______, _______
 ),
 
 /* Num
@@ -690,10 +696,11 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
  * `-----------------------------------------------------------------------------------'
  */
 [_NUM] = KEYMAP(
-  KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, S(KC_A),  KC_7,    KC_8,    KC_9,   S(KC_D), _______,
+  KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, S(KC_A),  KC_1,    KC_2,    KC_3,   S(KC_D), _______,
   KC_GRV,  KC_ASTR, KC_BSLS, KC_MINS,  KC_EQL, KC_SLSH, S(KC_B),  KC_4,    KC_5,    KC_6,   S(KC_E), _______,
-  KC_AMPR, KC_CIRC, KC_PIPE, KC_UNDS, KC_PLUS, KC_QUES, S(KC_C),  KC_1,    KC_2,    KC_3,   S(KC_F), _______,
-  _______, _______, KC_X,    _______, _______, _______, _______,  FUN0 ,   KC_COMM, KC_DOT, KC_COLN, _______
+  KC_AMPR, KC_CIRC, KC_PIPE, KC_UNDS, KC_PLUS, KC_QUES, S(KC_C),  KC_7,    KC_8,    KC_9,   S(KC_F), _______,
+  _______, _______, KC_X,    _______, _______, _______, _______,  FUN0 ,   KC_COMM, KC_DOT, KC_COLN, _______,
+                                           _______, _______, _______
 ),
 
 /* Func
@@ -711,7 +718,8 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   XXXXXXX,   KC_F1,   KC_F2,   KC_F3,  KC_F4,   KC_INS,  XXXXXXX, KC_PGUP,   KC_UP, KC_PGDN, KC_PGUP, KC_DEL,
   KC_CAPS,   KC_F5,   KC_F6,   KC_F7,  KC_F8,   KC_PSCR, XXXXXXX, KC_LEFT, KC_DOWN, KC_RGHT, KC_PGDN, _______,
   _______,   KC_F9,  KC_F10,  KC_F11,  KC_F12,  KC_PAUS, XXXXXXX, XXXXXXX, KC_HOME,  KC_END, XXXXXXX, _______,
-  _______, _______, _______, _______,  _______, _______, _______, _______, _______, _______, _______, _______
+  _______, _______, _______, _______,  _______, _______, _______, _______, _______, _______, _______, _______,
+                                           _______, _______, _______
 ),
 
 /* Uppercase Greek
@@ -729,7 +737,8 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   _______, XXXXXXX, XXXXXXX,X(UEPSI), X(URHO), X(UTAU),X(UUPSI),X(UTHET),X(UIOTA),X(UOMIC),  X(UPI), _______,
   _______,X(UALPH),X(USIGM),X(UDELT), X(UPHI),X(UGAMM), X(UETA),  X(UXI),X(UKAPP),X(ULAMB), KC_QUOT, _______,
   _______,X(UZETA), X(UCHI), X(UPSI),X(UOMEG),X(UBETA),  X(UNU),  X(UMU), KC_COMM, KC_DOT,  KC_SLSH, _______,
-  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
+  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+                                           _______, _______, _______
 ),
 
 /* Lowercase Greek
@@ -747,7 +756,8 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   _______, XXXXXXX,X(FSIGM),X(LEPSI), X(LRHO), X(LTAU),X(LUPSI),X(LTHET),X(LIOTA),X(LOMIC),  X(LPI), _______,
   _______,X(LALPH),X(LSIGM),X(LDELT), X(LPHI),X(LGAMM), X(LETA),  X(LXI),X(LKAPP),X(LLAMB), KC_QUOT, _______,
   _______,X(LZETA), X(LCHI), X(LPSI),X(LOMEG),X(LBETA),  X(LNU),  X(LMU), KC_COMM, KC_DOT,  KC_SLSH, _______,
-  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
+  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+                                           _______, _______, _______
 ),
 
 /* Empty
@@ -765,7 +775,8 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
   XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
   XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
-  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
+  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+                                           _______, _______, _______
 ),
 
 /* Emoji
@@ -783,7 +794,8 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   X(HART2), X(CRY2),X(WEARY),X(EYERT),X(SMIRK), X(TJOY),X(RECYC),X(UNAMU),X(MUSIC),X(OKHND),X(PENSV), X(PHEW),
   X(THMUP), X(PRAY),X(SMILE),X(SMIL2),X(FLUSH), X(GRIN),X(HEART),  X(BYE), X(KISS),X(CELEB), X(COOL),X(NOEVS),
   X(THMDN),X(SLEEP), X(CLAP),  X(CRY),  X(VIC),X(BHART),  X(SUN),X(SMEYE), X(WINK), X(MOON),X(CONFU),X(NOEVH),
-    X(POO), X(EYES), X(HUNRD),_______, X(SKULL),X(HORNS), X(HALO), X(FEAR),_______,X(YUMMY),X(DISAP),X(NOEVK)
+    X(POO), X(EYES), X(HUNRD),_______, X(SKULL),X(HORNS), X(HALO), X(FEAR),_______,X(YUMMY),X(DISAP),X(NOEVK),
+                                           _______, _______, _______
 ),
 
 /* GUI
@@ -801,7 +813,8 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   XXXXXXX, G(KC_1), G(KC_2), G(KC_3), G(KC_4), G(KC_5), G(KC_6), G(KC_7), G(KC_8), G(KC_9), G(KC_0), XXXXXXX,
   KC_ESC,  XXXXXXX, S(KC_TAB),KC_ESC, KC_TAB,  XXXXXXX, XXXXXXX, KC_WWWB, XXXXXXX, KC_WWWF, XXXXXXX, XXXXXXX,
   XXXXXXX, XXXXXXX, KC_VOLD, KC_MUTE, KC_VOLU, KC_SPC,  KC_SPC,  KC_MPRV, KC_MPLY, KC_MNXT, XXXXXXX, XXXXXXX,
-  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX
+  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+                                           _______, _______, _______
 ),
 
 /* Sys
@@ -816,10 +829,11 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
  * `-----------------------------------------------------------------------------------'
  */
 [_SYS] = KEYMAP(
-  XXXXXXX, QWERTY,  WIN,     XXXXXXX, RESET,   XXXXXXX, XXXXXXX, OUT_USB, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+  DEBUG,   QWERTY,  WIN,     XXXXXXX, RESET,   XXXXXXX, XXXXXXX, OUT_USB, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
   XXXXXXX, FC_TOG,  XXXXXXX, DVORAK,  XXXXXXX, GLOW,    XXXXXXX, XXXXXXX, WORKMAN, LINUX,   XXXXXXX, XXXXXXX,
   XXXXXXX, XXXXXXX, XXXXXXX, COLEMAK, XXXXXXX, OUT_BLE, NORMAN,  OSX,     XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
-  _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, _______
+  _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, _______,
+                                           _______, _______, _______
 ),
 
 
diff --git a/keyboards/handwired/promethium/matrix.c b/keyboards/handwired/promethium/matrix.c
new file mode 100644
index 0000000000..2b7ce2bf5e
--- /dev/null
+++ b/keyboards/handwired/promethium/matrix.c
@@ -0,0 +1,306 @@
+/*
+Copyright 2012 Jun Wako
+Copyright 2014 Jack Humbert
+Copyright 2017 Priyadi Iman Nurcahyo
+
+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 <stdint.h>
+#include <stdbool.h>
+#if defined(__AVR__)
+#include <avr/io.h>
+#endif
+#include "wait.h"
+#include "print.h"
+#include "debug.h"
+#include "util.h"
+#include "matrix.h"
+#include "timer.h"
+
+
+/* Set 0 if debouncing isn't needed */
+
+#ifndef DEBOUNCING_DELAY
+#   define DEBOUNCING_DELAY 5
+#endif
+
+#if (DEBOUNCING_DELAY > 0)
+    static uint16_t debouncing_time;
+    static bool debouncing = false;
+#endif
+
+#if (MATRIX_COLS <= 8)
+#    define print_matrix_header()  print("\nr/c 01234567\n")
+#    define print_matrix_row(row)  print_bin_reverse8(matrix_get_row(row))
+#    define matrix_bitpop(i)       bitpop(matrix[i])
+#    define ROW_SHIFTER ((uint8_t)1)
+#elif (MATRIX_COLS <= 16)
+#    define print_matrix_header()  print("\nr/c 0123456789ABCDEF\n")
+#    define print_matrix_row(row)  print_bin_reverse16(matrix_get_row(row))
+#    define matrix_bitpop(i)       bitpop16(matrix[i])
+#    define ROW_SHIFTER ((uint16_t)1)
+#elif (MATRIX_COLS <= 32)
+#    define print_matrix_header()  print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n")
+#    define print_matrix_row(row)  print_bin_reverse32(matrix_get_row(row))
+#    define matrix_bitpop(i)       bitpop32(matrix[i])
+#    define ROW_SHIFTER  ((uint32_t)1)
+#endif
+
+#ifdef MATRIX_MASKED
+    extern const matrix_row_t matrix_mask[];
+#endif
+
+static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
+static const uint8_t tp_pins[3] = TRACKPOINT_PINS;
+
+/* matrix state(1:on, 0:off) */
+static matrix_row_t matrix[MATRIX_ROWS];
+static matrix_row_t matrix_debouncing[MATRIX_ROWS];
+
+static void init_cols(void);
+static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row);
+static void unselect_rows(void);
+static void select_row(uint8_t row);
+static void unselect_row(uint8_t row);
+
+__attribute__ ((weak))
+void matrix_init_quantum(void) {
+    matrix_init_kb();
+}
+
+__attribute__ ((weak))
+void matrix_scan_quantum(void) {
+    matrix_scan_kb();
+}
+
+__attribute__ ((weak))
+void matrix_init_kb(void) {
+    matrix_init_user();
+}
+
+__attribute__ ((weak))
+void matrix_scan_kb(void) {
+    matrix_scan_user();
+}
+
+__attribute__ ((weak))
+void matrix_init_user(void) {
+}
+
+__attribute__ ((weak))
+void matrix_scan_user(void) {
+}
+
+inline
+uint8_t matrix_rows(void) {
+    return MATRIX_ROWS;
+}
+
+inline
+uint8_t matrix_cols(void) {
+    return MATRIX_COLS;
+}
+
+void matrix_init(void) {
+
+    // To use PORTF disable JTAG with writing JTD bit twice within four cycles.
+    #if  (defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) || defined(__AVR_ATmega32U4__))
+        MCUCR |= _BV(JTD);
+        MCUCR |= _BV(JTD);
+    #endif
+
+    // initialize row and col
+    unselect_rows();
+    init_cols();
+
+    // initialize matrix state: all keys off
+    for (uint8_t i=0; i < MATRIX_ROWS; i++) {
+        matrix[i] = 0;
+        matrix_debouncing[i] = 0;
+    }
+
+    matrix_init_quantum();
+}
+
+uint8_t matrix_scan(void
+){
+    // Set row, read cols
+    for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) {
+#       if (DEBOUNCING_DELAY > 0)
+            bool matrix_changed = read_cols_on_row(matrix_debouncing, current_row);
+
+            if (matrix_changed) {
+                debouncing = true;
+                debouncing_time = timer_read();
+            }
+
+#       else
+            read_cols_on_row(matrix, current_row);
+#       endif
+
+    }
+
+#   if (DEBOUNCING_DELAY > 0)
+        if (debouncing && (timer_elapsed(debouncing_time) > DEBOUNCING_DELAY)) {
+            for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
+                matrix[i] = matrix_debouncing[i];
+            }
+            debouncing = false;
+        }
+#   endif
+
+    matrix_scan_quantum();
+    return 1;
+}
+
+bool matrix_is_modified(void)
+{
+#if (DEBOUNCING_DELAY > 0)
+    if (debouncing) return false;
+#endif
+    return true;
+}
+
+inline
+bool matrix_is_on(uint8_t row, uint8_t col)
+
+{
+    return (matrix[row] & ((matrix_row_t)1<col));
+}
+
+inline
+matrix_row_t matrix_get_row(uint8_t row)
+{
+    // Matrix mask lets you disable switches in the returned matrix data. For example, if you have a
+    // switch blocker installed and the switch is always pressed.
+#ifdef MATRIX_MASKED
+    return matrix[row] & matrix_mask[row];
+#else
+    return matrix[row];
+#endif
+}
+
+void matrix_print(void)
+{
+    print_matrix_header();
+
+    for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
+        phex(row); print(": ");
+        print_matrix_row(row);
+        print("\n");
+    }
+}
+
+uint8_t matrix_key_count(void)
+{
+    uint8_t count = 0;
+    for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
+        count += matrix_bitpop(i);
+    }
+    return count;
+}
+
+
+#define ROW_MASK 0b11100000
+
+static const uint8_t row_bit[MATRIX_ROWS] = {
+  //  76543210
+    0b00000000,
+    0b00100000,
+    0b01000000,
+    0b01100000,
+    0b10000000,
+    0b10100000,
+    0b11000000,
+    0b11100000,
+};
+
+static void init_cols(void)
+{
+    // columns
+    for(uint8_t x = 0; x < MATRIX_COLS; x++) {
+        uint8_t pin = col_pins[x];
+        _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN
+        _SFR_IO8((pin >> 4) + 2) |=  _BV(pin & 0xF); // HI
+    }
+
+    // rows
+    DDRF  |=  ROW_MASK;
+    PORTF &= ~ROW_MASK;
+
+    // trackpoint
+    for(uint8_t x = 0; x < 3; x++) {
+        uint8_t pin = tp_pins[x];
+        _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN
+        _SFR_IO8((pin >> 4) + 2) |=  _BV(pin & 0xF); // HI
+    }
+}
+
+static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row)
+    {
+        // Store last value of row prior to reading
+        matrix_row_t last_row_value = current_matrix[current_row];
+
+        // Clear data in matrix row
+        current_matrix[current_row] = 0;
+
+        // special case for trackpoint
+        if (current_row == 8) {
+            for(uint8_t tp_index = 0; tp_index < 3; tp_index++) {
+
+                // Select the TP pin to read (active low)
+                uint8_t pin = tp_pins[tp_index];
+                uint8_t pin_state = (_SFR_IO8(pin >> 4) & _BV(pin & 0xF));
+
+                // Populate the matrix row with the state of the col pin
+                current_matrix[current_row] |=  pin_state ? 0 : (ROW_SHIFTER << tp_index);
+            }
+            return (last_row_value != current_matrix[current_row]);
+        }
+
+        // Select row and wait for row selecton to stabilize
+        select_row(current_row);
+        _delay_us(5);       // without this wait it won't read stable value.
+        // wait_us(50);
+
+        // For each col...
+        for(uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) {
+
+            // Select the col pin to read (active low)
+            uint8_t pin = col_pins[col_index];
+            uint8_t pin_state = (_SFR_IO8(pin >> 4) & _BV(pin & 0xF));
+
+            // Populate the matrix row with the state of the col pin
+            current_matrix[current_row] |=  pin_state ? 0 : (ROW_SHIFTER << col_index);
+        }
+
+        // Unselect row
+        unselect_row(current_row);
+
+        return (last_row_value != current_matrix[current_row]);
+}
+
+static void select_row(uint8_t row)
+{
+    PORTF = row_bit[row] | (PORTF & ~ROW_MASK);
+}
+
+static void unselect_row(uint8_t row)
+{
+}
+
+static void unselect_rows(void)
+{
+}
+
diff --git a/keyboards/handwired/promethium/promethium.c b/keyboards/handwired/promethium/promethium.c
index 4943f8c9fc..8b1a0c71f2 100644
--- a/keyboards/handwired/promethium/promethium.c
+++ b/keyboards/handwired/promethium/promethium.c
@@ -2,6 +2,11 @@
 #include "analog.h"
 #include "timer.h"
 #include "matrix.h"
+#include "musical_notes.h"
+
+float fauxclicky_pressed_note[2] = MUSICAL_NOTE(_F3, .03125);
+float fauxclicky_released_note[2] = MUSICAL_NOTE(_C3, .03125);
+float fauxclicky_beep_note[2] = MUSICAL_NOTE(_C3, .03125);
 
 // cubic fit {3.3, 0}, {3.5, 2.9}, {3.6, 5}, {3.7, 8.6}, {3.8, 36},  {3.9, 62}, {4.0, 73}, {4.05, 83}, {4.1, 89}, {4.15, 94}, {4.2, 100}
 
diff --git a/keyboards/handwired/promethium/rules.mk b/keyboards/handwired/promethium/rules.mk
index e75cf4dde4..a5e503ff77 100644
--- a/keyboards/handwired/promethium/rules.mk
+++ b/keyboards/handwired/promethium/rules.mk
@@ -67,10 +67,12 @@ PS2_MOUSE_ENABLE ?= yes
 PS2_USE_INT ?= yes
 ADAFRUIT_BLE_ENABLE ?= yes
 API_SYSEX_ENABLE ?= no
+CUSTOM_MATRIX ?= yes
 
 # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
 SLEEP_LED_ENABLE ?= no    # Breathing sleep LED during USB suspend
 
 SRC += $(QUANTUM_DIR)/light_ws2812.c
 SRC += rgbsps.c
-SRC += $(QUANTUM_DIR)/analog.c
\ No newline at end of file
+SRC += $(QUANTUM_DIR)/analog.c
+SRC += matrix.c