Added Audio to my Atomic

This commit is contained in:
IBNobody 2016-04-15 14:42:50 -05:00
parent 39e520c010
commit 8f85117aa9
6 changed files with 297 additions and 175 deletions

View file

@ -38,31 +38,9 @@
# To rebuild project do "make clean" then "make all".
#----------------------------------------------------------------------------
# Build Options
# change to "no" to disable the options, or define them in the makefile.mk in
# the appropriate keymap folder that will get included automatically
#
BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration(+1000)
MOUSEKEY_ENABLE = yes # Mouse keys(+4700)
EXTRAKEY_ENABLE = yes # Audio control and System control(+450)
CONSOLE_ENABLE = yes # Console for debug(+400)
COMMAND_ENABLE = yes # Commands for debug and configuration
NKRO_ENABLE = no # USB Nkey Rollover - if this doesn't work, see here:
# https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality
MIDI_ENABLE = no # MIDI controls
AUDIO_ENABLE = no # Audio output on port C6
UNICODE_ENABLE = no # Unicode
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.
# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend
# Target file name (without extension).
TARGET = atomic
# Directory common source filess exist
TOP_DIR = ../..
TMK_DIR = ../../tmk_core
@ -73,6 +51,8 @@ TARGET_DIR = .
# # project specific files
SRC = atomic.c
CONFIG_H = config.h
ifdef keymap
KEYMAP = $(keymap)
endif
@ -88,7 +68,7 @@ ifneq ("$(wildcard keymaps/$(KEYMAP)/makefile.mk)","")
endif
else
$(error Keymap file does not exist)
endif
endif
endif
else
@ -107,8 +87,6 @@ endif
SRC := $(KEYMAP_FILE) $(SRC)
CONFIG_H = config.h
# MCU name
#MCU = at90usb1287
MCU = atmega32u4
@ -126,7 +104,6 @@ MCU = atmega32u4
# software delays.
F_CPU = 16000000
#
# LUFA specific
#
@ -158,11 +135,45 @@ OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
# USBaspLoader 2048
OPT_DEFS += -DBOOTLOADER_SIZE=4096
# Build Options
# change to "no" to disable the options, or define them in the makefile.mk in
# the appropriate keymap folder that will get included automatically
#
BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration(+1000)
MOUSEKEY_ENABLE = yes # Mouse keys(+4700)
EXTRAKEY_ENABLE = yes # Audio control and System control(+450)
CONSOLE_ENABLE = yes # Console for debug(+400)
COMMAND_ENABLE = yes # Commands for debug and configuration
NKRO_ENABLE = no # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality
MIDI_ENABLE = no # MIDI controls
AUDIO_ENABLE = no # Audio output on port C6
UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
RGBLIGHT_ENABLE = no # Enable WS2812 RGB underlight. Do not enable this with audio at the same time.
ifeq ($(BACKLIGHT_ENABLE), yes)
SRC += backlight.c
# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend
ifdef KEYMAP
ifeq ("$(wildcard keymaps/$(KEYMAP).c)","")
ifneq ("$(wildcard keymaps/$(KEYMAP)/makefile.mk)","")
include keymaps/$(KEYMAP)/makefile.mk
endif
endif
else
ifneq ("$(wildcard keymaps/default/makefile.mk)","")
include keymaps/default/makefile.mk
endif
endif
ifeq ($(strip $(BACKLIGHT_ENABLE)), yes)
SRC := backlight.c $(SRC)
endif
# Optimize size but this may cause error "relocation truncated to fit"
#EXTRALDFLAGS = -Wl,--relax

View file

@ -0,0 +1,157 @@
/*
Copyright 2012 Jun Wako <wakojun@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/>.
*/
#ifndef CONFIG_H
#define CONFIG_H
#include "config_common.h"
/* USB Device descriptor parameter */
#define VENDOR_ID 0xFEED
#define PRODUCT_ID 0x6060
#define DEVICE_VER 0x0001
#define MANUFACTURER Ortholinear Keyboards
#define PRODUCT The Atomic Keyboard
#define DESCRIPTION A compact ortholinear keyboard
/* key matrix size */
#define MATRIX_ROWS 5
#define MATRIX_COLS 15
/*
* Keyboard Matrix Assignments
*
* Change this to how you wired your keyboard
* COLS: AVR pins used for columns, left to right
* ROWS: AVR pins used for rows, top to bottom
* DIODE_DIRECTION: COL2ROW = COL = Anode (+), ROW = Cathode (-, marked on diode)
* ROW2COL = ROW = Anode (+), COL = Cathode (-, marked on diode)
*
*/
#define COLS (int []){ F1, F0, B0, C7, F4, F5, F6, F7, D4, D6, B4, D7, D3, D2, D1 }
#define ROWS (int []){ D0, D5, B5, B6, B3 }
/* COL2ROW or ROW2COL */
#define DIODE_DIRECTION COL2ROW
/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
#define DEBOUNCE 5
/* define if matrix has ghost (lacks anti-ghosting diodes) */
//#define MATRIX_HAS_GHOST
/* number of backlight levels */
#define BACKLIGHT_LEVELS 3
/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
#define LOCKING_SUPPORT_ENABLE
/* Locking resynchronize hack */
#define LOCKING_RESYNC_ENABLE
/*
* Force NKRO
*
* Force NKRO (nKey Rollover) to be enabled by default, regardless of the saved
* state in the bootmagic EEPROM settings. (Note that NKRO must be enabled in the
* makefile for this to work.)
*
* If forced on, NKRO can be disabled via magic key (default = LShift+RShift+N)
* until the next keyboard reset.
*
* NKRO may prevent your keystrokes from being detected in the BIOS, but it is
* fully operational during normal computer usage.
*
* For a less heavy-handed approach, enable NKRO via magic key (LShift+RShift+N)
* or via bootmagic (hold SPACE+N while plugging in the keyboard). Once set by
* bootmagic, NKRO mode will always be enabled until it is toggled again during a
* power-up.
*
*/
//#define FORCE_NKRO
/*
* Magic Key Options
*
* Magic keys are hotkey commands that allow control over firmware functions of
* the keyboard. They are best used in combination with the HID Listen program,
* found here: https://www.pjrc.com/teensy/hid_listen.html
*
* The options below allow the magic key functionality to be changed. This is
* useful if your keyboard/keypad is missing keys and you want magic key support.
*
*/
/* key combination for magic key command */
#define IS_COMMAND() ( \
keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
)
/* control how magic key switches layers */
//#define MAGIC_KEY_SWITCH_LAYER_WITH_FKEYS true
//#define MAGIC_KEY_SWITCH_LAYER_WITH_NKEYS true
//#define MAGIC_KEY_SWITCH_LAYER_WITH_CUSTOM false
/* override magic key keymap */
//#define MAGIC_KEY_SWITCH_LAYER_WITH_FKEYS
//#define MAGIC_KEY_SWITCH_LAYER_WITH_NKEYS
//#define MAGIC_KEY_SWITCH_LAYER_WITH_CUSTOM
//#define MAGIC_KEY_HELP1 H
//#define MAGIC_KEY_HELP2 SLASH
//#define MAGIC_KEY_DEBUG D
//#define MAGIC_KEY_DEBUG_MATRIX X
//#define MAGIC_KEY_DEBUG_KBD K
//#define MAGIC_KEY_DEBUG_MOUSE M
//#define MAGIC_KEY_VERSION V
//#define MAGIC_KEY_STATUS S
//#define MAGIC_KEY_CONSOLE C
//#define MAGIC_KEY_LAYER0_ALT1 ESC
//#define MAGIC_KEY_LAYER0_ALT2 GRAVE
//#define MAGIC_KEY_LAYER0 0
//#define MAGIC_KEY_LAYER1 1
//#define MAGIC_KEY_LAYER2 2
//#define MAGIC_KEY_LAYER3 3
//#define MAGIC_KEY_LAYER4 4
//#define MAGIC_KEY_LAYER5 5
//#define MAGIC_KEY_LAYER6 6
//#define MAGIC_KEY_LAYER7 7
//#define MAGIC_KEY_LAYER8 8
//#define MAGIC_KEY_LAYER9 9
#define MAGIC_KEY_BOOTLOADER B
//#define MAGIC_KEY_LOCK CAPS
//#define MAGIC_KEY_EEPROM E
//#define MAGIC_KEY_NKRO N
//#define MAGIC_KEY_SLEEP_LED Z
/*
* Feature disable options
* These options are also useful to firmware size reduction.
*/
/* disable debug print */
//#define NO_DEBUG
/* disable print */
//#define NO_PRINT
/* disable action features */
//#define NO_ACTION_LAYER
//#define NO_ACTION_TAPPING
//#define NO_ACTION_ONESHOT
//#define NO_ACTION_MACRO
//#define NO_ACTION_FUNCTION
#endif

View file

@ -1,12 +1,19 @@
#include "atomic.h"
#include "action_layer.h"
#ifdef AUDIO_ENABLE
#include "audio.h"
#endif
#define _QW 0
#define _LW 1
#define _RS 2
#define _FN 3
#define _F1 4
#define _F2 5
#define M_QW 0
#define M_LW 1
#define M_RS 2
#define M_FN 3
#define _______ KC_TRNS
#define ___T___ KC_TRNS
@ -32,7 +39,7 @@ 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_LBRC, KC_RBRC, KC_BSLS, KC_DEL },
{ KC_CAPS, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT, KC_ENT, XXXXXXX, KC_PGUP },
{ KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_RSFT, XXXXXXX, KC_UP, KC_PGDN },
{ KC_LCTL, KC_LGUI, M(_FN), KC_LALT, M(_RS), KC_SPC, XXXXXXX, M(_LW), KC_RALT, KC_HOME, KC_END, KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT },
{ KC_LCTL, KC_LGUI, M(M_FN), KC_LALT, M(M_RS), KC_SPC, XXXXXXX, M(M_LW), KC_RALT, KC_HOME, KC_END, KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT },
},
[_LW] = { /* LOWERED */
{ KC_GRV, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, ___T___, ___T___ },
@ -55,29 +62,50 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
{ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, ___T___, ___T___, KC_MS_U, KC_WH_D },
{ _______, _______, _______, _______, _______, KC_BTN1, KC_BTN1, _______, _______, _______, _______, _______, KC_MS_L, KC_MS_D, KC_MS_R },
},
[_F1] = { /* FUNCTION */
{ KC_NLCK, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, ___T___, ___T___ },
{ KC_SLCK, KC_F13, KC_F14, KC_F15, KC_F16, KC_F17, KC_F18, KC_F19, KC_F20, KC_F21, KC_F22, KC_F23, KC_F24, KC_PAUS, KC_PSCR },
{ KC_CAPS, KC_BTN5, KC_BTN4, KC_BTN3, KC_BTN2, KC_ACL0, KC_ACL2, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY, _______, ___T___, ___T___, KC_WH_U },
{ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, ___T___, ___T___, KC_MS_U, KC_WH_D },
{ _______, _______, _______, _______, _______, KC_BTN1, KC_BTN1, _______, _______, _______, _______, _______, KC_MS_L, KC_MS_D, KC_MS_R },
},
[_F2] = { /* FUNCTION */
{ KC_NLCK, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, ___T___, ___T___ },
{ KC_SLCK, KC_F13, KC_F14, KC_F15, KC_F16, KC_F17, KC_F18, KC_F19, KC_F20, KC_F21, KC_F22, KC_F23, KC_F24, KC_PAUS, KC_PSCR },
{ KC_CAPS, KC_BTN5, KC_BTN4, KC_BTN3, KC_BTN2, KC_ACL0, KC_ACL2, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY, _______, ___T___, ___T___, KC_WH_U },
{ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, ___T___, ___T___, KC_MS_U, KC_WH_D },
{ _______, _______, _______, _______, _______, KC_BTN1, KC_BTN1, _______, _______, _______, _______, _______, KC_MS_L, KC_MS_D, KC_MS_R },
},
};
#define IS_LAYER_ON(layer) ((layer_state) & (1<<(layer)))
#define IS_LAYER_OFF(layer) ((!layer_state) & (1<<(layer)))
#ifdef AUDIO_ENABLE
float tone_lw[][2] = {
{440.0*pow(2.0,(59)/12.0), 8},
{440.0*pow(2.0,(60)/12.0), 8},
{0, 4},
{440.0*pow(2.0,(67)/12.0), 16}
};
float tone_rs[][2] = {
{440.0*pow(2.0,(59)/12.0), 8},
{440.0*pow(2.0,(60)/12.0), 8},
{0, 4},
{440.0*pow(2.0,(67)/12.0), 16},
{0, 4},
{440.0*pow(2.0,(71)/12.0), 16}
};
float tone_fn[][2] = {
{440.0*pow(2.0,(59)/12.0), 8},
{440.0*pow(2.0,(60)/12.0), 8},
{0, 4},
{440.0*pow(2.0,(67)/12.0), 16},
{0, 4},
{440.0*pow(2.0,(69)/12.0), 16},
{0, 4},
{440.0*pow(2.0,(67)/12.0), 16}
};
#endif
void update_tri_layer(uint8_t layer1, uint8_t layer2, uint8_t layer3)
{
if (IS_LAYER_ON(layer1) && IS_LAYER_ON(layer2))
{
#ifdef AUDIO_ENABLE
println("PlayNotes FN");
play_notes(&tone_fn, 8, false);
#endif
layer_on(layer3);
}
else
@ -114,37 +142,6 @@ void update_quad_layer(uint8_t layer1, uint8_t layer2, uint8_t layer3, uint8_t l
}
}
/* ignore me
void change_quad_layer(uint8_t focus_layer, bool desired_focus_layer_state, uint8_t pair_layer, uint8_t layer3, uint8_t layer4)
{
// If desired focus layer state == 1 and current focus layer state == 1
if ((desired_focus_layer_state) && IS_LAYER_ON(layer1))
{
// Do Nothing
}
// If desired focus layer state == 0 and current focus layer state == 1
else if ((desired_focus_layer_state) && IS_LAYER_ON(layer1))
{
// If
layer_off(layer3);
layer_off(layer4);
}
}
else
{
if (IS_LAYER_ON(layer1) && IS_LAYER_ON(layer2))
{
layer_on(layer4);
}
else
{
layer_off(layer3);
layer_off(layer4);
}
}
}
*/
const uint16_t PROGMEM fn_actions[] = {
};
@ -152,70 +149,54 @@ const uint16_t PROGMEM fn_actions[] = {
const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
{
// MACRODOWN only works in this function
switch(id)
{
case _FN:
if (record->event.pressed) {
print("FN_DN\n");
print_val_bin32(layer_state);
layer_on(_FN);
print_val_bin32(layer_state);
} else {
print("FN_UP\n");
print_val_bin32(layer_state);
layer_off(_FN);
print_val_bin32(layer_state);
}
break;
case _RS:
if (record->event.pressed) {
print("RS_DN\n");
print_val_bin32(layer_state);
layer_on(_RS);
//tri_layer++;
print_val_bin32(layer_state);
//update_tri_layer(_RS, _LW, _FN);
update_quad_layer(_RS, _LW, _F1, _F2, 0);
print_val_bin32(layer_state);
} else {
print("RS_UP\n");
print_val_bin32(layer_state);
layer_off(_RS);
//tri_layer--;
print_val_bin32(layer_state);
//update_tri_layer(_RS, _LW, _FN);
update_quad_layer(_RS, _LW, _F1, _F2, 0);
print_val_bin32(layer_state);
}
break;
case _LW:
if (record->event.pressed) {
print("LW_DN\n");
print_val_bin32(layer_state);
layer_on(_LW);
//tri_layer++;
print_val_bin32(layer_state);
//update_tri_layer(_RS, _LW, _FN);
update_quad_layer(_RS, _LW, _F1, _F2, 1);
print_val_bin32(layer_state);
} else {
print("LW_UP\n");
print_val_bin32(layer_state);
layer_off(_LW);
//tri_layer--;
print_val_bin32(layer_state);
//update_tri_layer(_RS, _LW, _FN);
update_quad_layer(_RS, _LW, _F1, _F2, 1);
print_val_bin32(layer_state);
}
break;
// MACRODOWN only works in this function
switch(id) {
case M_LW:
if (record->event.pressed) {
#ifdef AUDIO_ENABLE
println("PlayNotes LW");
play_notes(&tone_lw, 4, false);
#endif
layer_on(_LW);
update_tri_layer(_LW, _RS, _FN);
} else {
layer_off(_LW);
update_tri_layer(_LW, _RS, _FN);
}
break;
case M_RS:
if (record->event.pressed) {
#ifdef AUDIO_ENABLE
println("PlayNotes RS");
play_notes(&tone_rs, 6, false);
#endif
layer_on(_RS);
update_tri_layer(_LW, _RS, _FN);
} else {
layer_off(_RS);
update_tri_layer(_LW, _RS, _FN);
}
break;
default:
break;
}
return MACRO_NONE;
break;
}
return MACRO_NONE;
};
#ifdef AUDIO_ENABLE
float start_up[][2] = {
{440.0*pow(2.0,(67)/12.0), 12},
{440.0*pow(2.0,(64)/12.0), 8},
{440.0*pow(2.0,(55)/12.0), 8},
{440.0*pow(2.0,(60)/12.0), 8},
{440.0*pow(2.0,(64)/12.0), 20}
};
#endif
void matrix_init_user(void) {
#ifdef AUDIO_ENABLE
init_notes();
play_notes(&start_up, 5, false);
println("Matrix Init");
#endif
}

View file

@ -1,16 +1,18 @@
BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration(+1000)
MOUSEKEY_ENABLE = yes # Mouse keys(+4700)
EXTRAKEY_ENABLE = yes # Audio control and System control(+450)
CONSOLE_ENABLE = no # Console for debug(+400)
CONSOLE_ENABLE = yes # Console for debug(+400)
COMMAND_ENABLE = yes # Commands for debug and configuration
NKRO_ENABLE = yes # USB Nkey Rollover - if this doesn't work, see here:
# https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
BACKLIGHT_ENABLE = no # Enable keyboard backlight functionality
MIDI_ENABLE = no # MIDI controls
AUDIO_ENABLE = no # Audio output on port C6
AUDIO_ENABLE = yes # Audio output on port C6
UNICODE_ENABLE = no # Unicode
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.
# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend
CONFIG_H = keymaps/$(KEYMAP)/config.h

View file

@ -157,39 +157,10 @@ SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend
ifdef KEYMAP
<<<<<<< HEAD
<<<<<<< HEAD
# Build Options
# comment out to disable the options.
#
BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration(+1000)
MOUSEKEY_ENABLE = yes # Mouse keys(+4700)
EXTRAKEY_ENABLE = yes # Audio control and System control(+450)
CONSOLE_ENABLE = yes # Console for debug(+400)
COMMAND_ENABLE = yes # Commands for debug and configuration
NKRO_ENABLE = yes # USB Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
# BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality
# MIDI_ENABLE = yes # MIDI controls
# AUDIO_ENABLE = yes # Audio output on port C6
# UNICODE_ENABLE = yes # Unicode
# BLUETOOTH_ENABLE = ye # Enable Bluetooth with the Adafruit EZ-Key HID
# RGBLIGHT_ENABLE = yes # Enable WS2812 RGB underlight. Do not enable this with audio at the same time.
# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
#SLEEP_LED_ENABLE = yes # Breathing sleep LED during USB suspend
ifdef BACKLIGHT_ENABLE
=======
ifeq ($(BACKLIGHT_ENABLE), yes)
>>>>>>> master
SRC += backlight.c
=======
ifeq ("$(wildcard keymaps/$(KEYMAP).c)","")
ifneq ("$(wildcard keymaps/$(KEYMAP)/makefile.mk)","")
include keymaps/$(KEYMAP)/makefile.mk
endif
>>>>>>> remotes/jackhumbert/new_defaults
endif
else
@ -212,4 +183,4 @@ VPATH += $(TARGET_DIR)
VPATH += $(TOP_DIR)
VPATH += $(TMK_DIR)
include $(TOP_DIR)/quantum/quantum.mk
include $(TOP_DIR)/quantum/quantum.mk

View file

@ -6,6 +6,6 @@
void play_sample(uint8_t * s, uint16_t l, bool r);
void play_note(double freq, int vol);
void stop_note(double freq);
void stop_all_notes();
void init_notes();
void stop_all_notes(void);
void init_notes(void);
void play_notes(float (*np)[][2], uint8_t n_length, bool n_repeat);