634 lines
18 KiB
C
634 lines
18 KiB
C
/* Copyright 2016-2017 Jack Humbert
|
|
*
|
|
* 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 "quantum.h"
|
|
#include "magic.h"
|
|
|
|
#ifdef BLUETOOTH_ENABLE
|
|
# include "outputselect.h"
|
|
#endif
|
|
|
|
#ifdef BACKLIGHT_ENABLE
|
|
# include "backlight.h"
|
|
#endif
|
|
|
|
#ifdef MIDI_ENABLE
|
|
# include "process_midi.h"
|
|
#endif
|
|
|
|
#ifdef VELOCIKEY_ENABLE
|
|
# include "velocikey.h"
|
|
#endif
|
|
|
|
#ifdef HAPTIC_ENABLE
|
|
# include "haptic.h"
|
|
#endif
|
|
|
|
#ifdef AUDIO_ENABLE
|
|
# ifndef GOODBYE_SONG
|
|
# define GOODBYE_SONG SONG(GOODBYE_SOUND)
|
|
# endif
|
|
float goodbye_song[][2] = GOODBYE_SONG;
|
|
# ifdef DEFAULT_LAYER_SONGS
|
|
float default_layer_songs[][16][2] = DEFAULT_LAYER_SONGS;
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef AUTO_SHIFT_ENABLE
|
|
# include "process_auto_shift.h"
|
|
#endif
|
|
|
|
uint8_t extract_mod_bits(uint16_t code) {
|
|
switch (code) {
|
|
case QK_MODS ... QK_MODS_MAX:
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
|
|
uint8_t mods_to_send = 0;
|
|
|
|
if (code & QK_RMODS_MIN) { // Right mod flag is set
|
|
if (code & QK_LCTL) mods_to_send |= MOD_BIT(KC_RIGHT_CTRL);
|
|
if (code & QK_LSFT) mods_to_send |= MOD_BIT(KC_RIGHT_SHIFT);
|
|
if (code & QK_LALT) mods_to_send |= MOD_BIT(KC_RIGHT_ALT);
|
|
if (code & QK_LGUI) mods_to_send |= MOD_BIT(KC_RIGHT_GUI);
|
|
} else {
|
|
if (code & QK_LCTL) mods_to_send |= MOD_BIT(KC_LEFT_CTRL);
|
|
if (code & QK_LSFT) mods_to_send |= MOD_BIT(KC_LEFT_SHIFT);
|
|
if (code & QK_LALT) mods_to_send |= MOD_BIT(KC_LEFT_ALT);
|
|
if (code & QK_LGUI) mods_to_send |= MOD_BIT(KC_LEFT_GUI);
|
|
}
|
|
|
|
return mods_to_send;
|
|
}
|
|
|
|
void do_code16(uint16_t code, void (*f)(uint8_t)) { f(extract_mod_bits(code)); }
|
|
|
|
__attribute__((weak)) void register_code16(uint16_t code) {
|
|
if (IS_MOD(code) || code == KC_NO) {
|
|
do_code16(code, register_mods);
|
|
} else {
|
|
do_code16(code, register_weak_mods);
|
|
}
|
|
register_code(code);
|
|
}
|
|
|
|
__attribute__((weak)) void unregister_code16(uint16_t code) {
|
|
unregister_code(code);
|
|
if (IS_MOD(code) || code == KC_NO) {
|
|
do_code16(code, unregister_mods);
|
|
} else {
|
|
do_code16(code, unregister_weak_mods);
|
|
}
|
|
}
|
|
|
|
__attribute__((weak)) void tap_code16(uint16_t code) {
|
|
register_code16(code);
|
|
#if TAP_CODE_DELAY > 0
|
|
wait_ms(TAP_CODE_DELAY);
|
|
#endif
|
|
unregister_code16(code);
|
|
}
|
|
|
|
__attribute__((weak)) bool process_action_kb(keyrecord_t *record) { return true; }
|
|
|
|
__attribute__((weak)) bool process_record_kb(uint16_t keycode, keyrecord_t *record) { return process_record_user(keycode, record); }
|
|
|
|
__attribute__((weak)) bool process_record_user(uint16_t keycode, keyrecord_t *record) { return true; }
|
|
|
|
__attribute__((weak)) void post_process_record_kb(uint16_t keycode, keyrecord_t *record) { post_process_record_user(keycode, record); }
|
|
|
|
__attribute__((weak)) void post_process_record_user(uint16_t keycode, keyrecord_t *record) {}
|
|
|
|
void reset_keyboard(void) {
|
|
clear_keyboard();
|
|
#if defined(MIDI_ENABLE) && defined(MIDI_BASIC)
|
|
process_midi_all_notes_off();
|
|
#endif
|
|
#ifdef AUDIO_ENABLE
|
|
# ifndef NO_MUSIC_MODE
|
|
music_all_notes_off();
|
|
# endif
|
|
uint16_t timer_start = timer_read();
|
|
PLAY_SONG(goodbye_song);
|
|
shutdown_user();
|
|
while (timer_elapsed(timer_start) < 250) wait_ms(1);
|
|
stop_all_notes();
|
|
#else
|
|
shutdown_user();
|
|
wait_ms(250);
|
|
#endif
|
|
#ifdef HAPTIC_ENABLE
|
|
haptic_shutdown();
|
|
#endif
|
|
bootloader_jump();
|
|
}
|
|
|
|
/* Convert record into usable keycode via the contained event. */
|
|
uint16_t get_record_keycode(keyrecord_t *record, bool update_layer_cache) {
|
|
#ifdef COMBO_ENABLE
|
|
if (record->keycode) {
|
|
return record->keycode;
|
|
}
|
|
#endif
|
|
return get_event_keycode(record->event, update_layer_cache);
|
|
}
|
|
|
|
/* Convert event into usable keycode. Checks the layer cache to ensure that it
|
|
* retains the correct keycode after a layer change, if the key is still pressed.
|
|
* "update_layer_cache" is to ensure that it only updates the layer cache when
|
|
* appropriate, otherwise, it will update it and cause layer tap (and other keys)
|
|
* from triggering properly.
|
|
*/
|
|
uint16_t get_event_keycode(keyevent_t event, bool update_layer_cache) {
|
|
#if !defined(NO_ACTION_LAYER) && !defined(STRICT_LAYER_RELEASE)
|
|
/* TODO: Use store_or_get_action() or a similar function. */
|
|
if (!disable_action_cache) {
|
|
uint8_t layer;
|
|
|
|
if (event.pressed && update_layer_cache) {
|
|
layer = layer_switch_get_layer(event.key);
|
|
update_source_layers_cache(event.key, layer);
|
|
} else {
|
|
layer = read_source_layers_cache(event.key);
|
|
}
|
|
return keymap_key_to_keycode(layer, event.key);
|
|
} else
|
|
#endif
|
|
return keymap_key_to_keycode(layer_switch_get_layer(event.key), event.key);
|
|
}
|
|
|
|
/* Get keycode, and then process pre tapping functionality */
|
|
bool pre_process_record_quantum(keyrecord_t *record) {
|
|
if (!(
|
|
#ifdef COMBO_ENABLE
|
|
process_combo(get_record_keycode(record, true), record) &&
|
|
#endif
|
|
true)) {
|
|
return false;
|
|
}
|
|
return true; // continue processing
|
|
}
|
|
|
|
/* Get keycode, and then call keyboard function */
|
|
void post_process_record_quantum(keyrecord_t *record) {
|
|
uint16_t keycode = get_record_keycode(record, false);
|
|
post_process_record_kb(keycode, record);
|
|
}
|
|
|
|
/* Core keycode function, hands off handling to other functions,
|
|
then processes internal quantum keycodes, and then processes
|
|
ACTIONs. */
|
|
bool process_record_quantum(keyrecord_t *record) {
|
|
uint16_t keycode = get_record_keycode(record, true);
|
|
|
|
// This is how you use actions here
|
|
// if (keycode == KC_LEAD) {
|
|
// action_t action;
|
|
// action.code = ACTION_DEFAULT_LAYER_SET(0);
|
|
// process_action(record, action);
|
|
// return false;
|
|
// }
|
|
|
|
#ifdef VELOCIKEY_ENABLE
|
|
if (velocikey_enabled() && record->event.pressed) {
|
|
velocikey_accelerate();
|
|
}
|
|
#endif
|
|
|
|
#ifdef WPM_ENABLE
|
|
if (record->event.pressed) {
|
|
update_wpm(keycode);
|
|
}
|
|
#endif
|
|
|
|
#ifdef TAP_DANCE_ENABLE
|
|
preprocess_tap_dance(keycode, record);
|
|
#endif
|
|
|
|
if (!(
|
|
#if defined(KEY_LOCK_ENABLE)
|
|
// Must run first to be able to mask key_up events.
|
|
process_key_lock(&keycode, record) &&
|
|
#endif
|
|
#if defined(DYNAMIC_MACRO_ENABLE) && !defined(DYNAMIC_MACRO_USER_CALL)
|
|
// Must run asap to ensure all keypresses are recorded.
|
|
process_dynamic_macro(keycode, record) &&
|
|
#endif
|
|
#if defined(AUDIO_ENABLE) && defined(AUDIO_CLICKY)
|
|
process_clicky(keycode, record) &&
|
|
#endif
|
|
#ifdef HAPTIC_ENABLE
|
|
process_haptic(keycode, record) &&
|
|
#endif
|
|
#if defined(VIA_ENABLE)
|
|
process_record_via(keycode, record) &&
|
|
#endif
|
|
process_record_kb(keycode, record) &&
|
|
#if defined(SEQUENCER_ENABLE)
|
|
process_sequencer(keycode, record) &&
|
|
#endif
|
|
#if defined(MIDI_ENABLE) && defined(MIDI_ADVANCED)
|
|
process_midi(keycode, record) &&
|
|
#endif
|
|
#ifdef AUDIO_ENABLE
|
|
process_audio(keycode, record) &&
|
|
#endif
|
|
#if defined(BACKLIGHT_ENABLE) || defined(LED_MATRIX_ENABLE)
|
|
process_backlight(keycode, record) &&
|
|
#endif
|
|
#ifdef STENO_ENABLE
|
|
process_steno(keycode, record) &&
|
|
#endif
|
|
#if (defined(AUDIO_ENABLE) || (defined(MIDI_ENABLE) && defined(MIDI_BASIC))) && !defined(NO_MUSIC_MODE)
|
|
process_music(keycode, record) &&
|
|
#endif
|
|
#ifdef KEY_OVERRIDE_ENABLE
|
|
process_key_override(keycode, record) &&
|
|
#endif
|
|
#ifdef TAP_DANCE_ENABLE
|
|
process_tap_dance(keycode, record) &&
|
|
#endif
|
|
#if defined(UNICODE_COMMON_ENABLE)
|
|
process_unicode_common(keycode, record) &&
|
|
#endif
|
|
#ifdef LEADER_ENABLE
|
|
process_leader(keycode, record) &&
|
|
#endif
|
|
#ifdef PRINTING_ENABLE
|
|
process_printer(keycode, record) &&
|
|
#endif
|
|
#ifdef AUTO_SHIFT_ENABLE
|
|
process_auto_shift(keycode, record) &&
|
|
#endif
|
|
#ifdef DYNAMIC_TAPPING_TERM_ENABLE
|
|
process_dynamic_tapping_term(keycode, record) &&
|
|
#endif
|
|
#ifdef TERMINAL_ENABLE
|
|
process_terminal(keycode, record) &&
|
|
#endif
|
|
#ifdef SPACE_CADET_ENABLE
|
|
process_space_cadet(keycode, record) &&
|
|
#endif
|
|
#ifdef MAGIC_KEYCODE_ENABLE
|
|
process_magic(keycode, record) &&
|
|
#endif
|
|
#ifdef GRAVE_ESC_ENABLE
|
|
process_grave_esc(keycode, record) &&
|
|
#endif
|
|
#if defined(RGBLIGHT_ENABLE) || defined(RGB_MATRIX_ENABLE)
|
|
process_rgb(keycode, record) &&
|
|
#endif
|
|
#ifdef JOYSTICK_ENABLE
|
|
process_joystick(keycode, record) &&
|
|
#endif
|
|
#ifdef PROGRAMMABLE_BUTTON_ENABLE
|
|
process_programmable_button(keycode, record) &&
|
|
#endif
|
|
true)) {
|
|
return false;
|
|
}
|
|
|
|
if (record->event.pressed) {
|
|
switch (keycode) {
|
|
#ifndef NO_RESET
|
|
case RESET:
|
|
reset_keyboard();
|
|
return false;
|
|
#endif
|
|
#ifndef NO_DEBUG
|
|
case DEBUG:
|
|
debug_enable ^= 1;
|
|
if (debug_enable) {
|
|
print("DEBUG: enabled.\n");
|
|
} else {
|
|
print("DEBUG: disabled.\n");
|
|
}
|
|
#endif
|
|
return false;
|
|
case EEPROM_RESET:
|
|
eeconfig_init();
|
|
return false;
|
|
#ifdef VELOCIKEY_ENABLE
|
|
case VLK_TOG:
|
|
velocikey_toggle();
|
|
return false;
|
|
#endif
|
|
#ifdef BLUETOOTH_ENABLE
|
|
case OUT_AUTO:
|
|
set_output(OUTPUT_AUTO);
|
|
return false;
|
|
case OUT_USB:
|
|
set_output(OUTPUT_USB);
|
|
return false;
|
|
case OUT_BT:
|
|
set_output(OUTPUT_BLUETOOTH);
|
|
return false;
|
|
#endif
|
|
#ifndef NO_ACTION_ONESHOT
|
|
case ONESHOT_TOGGLE:
|
|
oneshot_toggle();
|
|
break;
|
|
case ONESHOT_ENABLE:
|
|
oneshot_enable();
|
|
break;
|
|
case ONESHOT_DISABLE:
|
|
oneshot_disable();
|
|
break;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
return process_action_kb(record);
|
|
}
|
|
|
|
void set_single_persistent_default_layer(uint8_t default_layer) {
|
|
#if defined(AUDIO_ENABLE) && defined(DEFAULT_LAYER_SONGS)
|
|
PLAY_SONG(default_layer_songs[default_layer]);
|
|
#endif
|
|
eeconfig_update_default_layer((layer_state_t)1 << default_layer);
|
|
default_layer_set((layer_state_t)1 << default_layer);
|
|
}
|
|
|
|
layer_state_t update_tri_layer_state(layer_state_t state, uint8_t layer1, uint8_t layer2, uint8_t layer3) {
|
|
layer_state_t mask12 = ((layer_state_t)1 << layer1) | ((layer_state_t)1 << layer2);
|
|
layer_state_t mask3 = (layer_state_t)1 << layer3;
|
|
return (state & mask12) == mask12 ? (state | mask3) : (state & ~mask3);
|
|
}
|
|
|
|
void update_tri_layer(uint8_t layer1, uint8_t layer2, uint8_t layer3) { layer_state_set(update_tri_layer_state(layer_state, layer1, layer2, layer3)); }
|
|
|
|
void matrix_init_quantum() {
|
|
magic();
|
|
led_init_ports();
|
|
#ifdef BACKLIGHT_ENABLE
|
|
backlight_init_ports();
|
|
#endif
|
|
#ifdef AUDIO_ENABLE
|
|
audio_init();
|
|
#endif
|
|
#ifdef LED_MATRIX_ENABLE
|
|
led_matrix_init();
|
|
#endif
|
|
#ifdef RGB_MATRIX_ENABLE
|
|
rgb_matrix_init();
|
|
#endif
|
|
#if defined(UNICODE_COMMON_ENABLE)
|
|
unicode_input_mode_init();
|
|
#endif
|
|
#ifdef HAPTIC_ENABLE
|
|
haptic_init();
|
|
#endif
|
|
#if defined(BLUETOOTH_ENABLE) && defined(OUTPUT_AUTO_ENABLE)
|
|
set_output(OUTPUT_AUTO);
|
|
#endif
|
|
|
|
matrix_init_kb();
|
|
}
|
|
|
|
void matrix_scan_quantum() {
|
|
#if defined(AUDIO_ENABLE) && defined(AUDIO_INIT_DELAY)
|
|
// There are some tasks that need to be run a little bit
|
|
// after keyboard startup, or else they will not work correctly
|
|
// because of interaction with the USB device state, which
|
|
// may still be in flux...
|
|
//
|
|
// At the moment the only feature that needs this is the
|
|
// startup song.
|
|
static bool delayed_tasks_run = false;
|
|
static uint16_t delayed_task_timer = 0;
|
|
if (!delayed_tasks_run) {
|
|
if (!delayed_task_timer) {
|
|
delayed_task_timer = timer_read();
|
|
} else if (timer_elapsed(delayed_task_timer) > 300) {
|
|
audio_startup();
|
|
delayed_tasks_run = true;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if defined(AUDIO_ENABLE) && !defined(NO_MUSIC_MODE)
|
|
music_task();
|
|
#endif
|
|
|
|
#ifdef KEY_OVERRIDE_ENABLE
|
|
key_override_task();
|
|
#endif
|
|
|
|
#ifdef SEQUENCER_ENABLE
|
|
sequencer_task();
|
|
#endif
|
|
|
|
#ifdef TAP_DANCE_ENABLE
|
|
tap_dance_task();
|
|
#endif
|
|
|
|
#ifdef COMBO_ENABLE
|
|
combo_task();
|
|
#endif
|
|
|
|
#ifdef LED_MATRIX_ENABLE
|
|
led_matrix_task();
|
|
#endif
|
|
|
|
#ifdef WPM_ENABLE
|
|
decay_wpm();
|
|
#endif
|
|
|
|
#ifdef HAPTIC_ENABLE
|
|
haptic_task();
|
|
#endif
|
|
|
|
#ifdef DIP_SWITCH_ENABLE
|
|
dip_switch_read(false);
|
|
#endif
|
|
|
|
#ifdef AUTO_SHIFT_ENABLE
|
|
autoshift_matrix_scan();
|
|
#endif
|
|
|
|
matrix_scan_kb();
|
|
}
|
|
|
|
#ifdef HD44780_ENABLED
|
|
# include "hd44780.h"
|
|
#endif
|
|
|
|
//------------------------------------------------------------------------------
|
|
// Override these functions in your keymap file to play different tunes on
|
|
// different events such as startup and bootloader jump
|
|
|
|
__attribute__((weak)) void startup_user() {}
|
|
|
|
__attribute__((weak)) void shutdown_user() {}
|
|
|
|
/** \brief Run keyboard level Power down
|
|
*
|
|
* FIXME: needs doc
|
|
*/
|
|
__attribute__((weak)) void suspend_power_down_user(void) {}
|
|
/** \brief Run keyboard level Power down
|
|
*
|
|
* FIXME: needs doc
|
|
*/
|
|
__attribute__((weak)) void suspend_power_down_kb(void) { suspend_power_down_user(); }
|
|
|
|
void suspend_power_down_quantum(void) {
|
|
#ifndef NO_SUSPEND_POWER_DOWN
|
|
// Turn off backlight
|
|
# ifdef BACKLIGHT_ENABLE
|
|
backlight_set(0);
|
|
# endif
|
|
|
|
# ifdef LED_MATRIX_ENABLE
|
|
led_matrix_task();
|
|
# endif
|
|
# ifdef RGB_MATRIX_ENABLE
|
|
rgb_matrix_task();
|
|
# endif
|
|
|
|
// Turn off LED indicators
|
|
uint8_t leds_off = 0;
|
|
# if defined(BACKLIGHT_CAPS_LOCK) && defined(BACKLIGHT_ENABLE)
|
|
if (is_backlight_enabled()) {
|
|
// Don't try to turn off Caps Lock indicator as it is backlight and backlight is already off
|
|
leds_off |= (1 << USB_LED_CAPS_LOCK);
|
|
}
|
|
# endif
|
|
led_set(leds_off);
|
|
|
|
// Turn off audio
|
|
# ifdef AUDIO_ENABLE
|
|
stop_all_notes();
|
|
# endif
|
|
|
|
// Turn off underglow
|
|
# if defined(RGBLIGHT_SLEEP) && defined(RGBLIGHT_ENABLE)
|
|
rgblight_suspend();
|
|
# endif
|
|
|
|
# if defined(LED_MATRIX_ENABLE)
|
|
led_matrix_set_suspend_state(true);
|
|
# endif
|
|
# if defined(RGB_MATRIX_ENABLE)
|
|
rgb_matrix_set_suspend_state(true);
|
|
# endif
|
|
|
|
# ifdef OLED_ENABLE
|
|
oled_off();
|
|
# endif
|
|
# ifdef ST7565_ENABLE
|
|
st7565_off();
|
|
# endif
|
|
# if defined(POINTING_DEVICE_ENABLE)
|
|
// run to ensure scanning occurs while suspended
|
|
pointing_device_task();
|
|
# endif
|
|
#endif
|
|
}
|
|
|
|
/** \brief run user level code immediately after wakeup
|
|
*
|
|
* FIXME: needs doc
|
|
*/
|
|
__attribute__((weak)) void suspend_wakeup_init_user(void) {}
|
|
|
|
/** \brief run keyboard level code immediately after wakeup
|
|
*
|
|
* FIXME: needs doc
|
|
*/
|
|
__attribute__((weak)) void suspend_wakeup_init_kb(void) { suspend_wakeup_init_user(); }
|
|
|
|
__attribute__((weak)) void suspend_wakeup_init_quantum(void) {
|
|
// Turn on backlight
|
|
#ifdef BACKLIGHT_ENABLE
|
|
backlight_init();
|
|
#endif
|
|
|
|
// Restore LED indicators
|
|
led_set(host_keyboard_leds());
|
|
|
|
// Wake up underglow
|
|
#if defined(RGBLIGHT_SLEEP) && defined(RGBLIGHT_ENABLE)
|
|
rgblight_wakeup();
|
|
#endif
|
|
|
|
#if defined(LED_MATRIX_ENABLE)
|
|
led_matrix_set_suspend_state(false);
|
|
#endif
|
|
#if defined(RGB_MATRIX_ENABLE)
|
|
rgb_matrix_set_suspend_state(false);
|
|
#endif
|
|
suspend_wakeup_init_kb();
|
|
}
|
|
|
|
/** \brief converts unsigned integers into char arrays
|
|
*
|
|
* Takes an unsigned integer and converts that value into an equivalent char array
|
|
* A padding character may be specified, ' ' for leading spaces, '0' for leading zeros.
|
|
*/
|
|
|
|
const char *get_numeric_str(char *buf, size_t buf_len, uint32_t curr_num, char curr_pad) {
|
|
buf[buf_len - 1] = '\0';
|
|
for (size_t i = 0; i < buf_len - 1; ++i) {
|
|
char c = '0' + curr_num % 10;
|
|
buf[buf_len - 2 - i] = (c == '0' && i == 0) ? '0' : (curr_num > 0 ? c : curr_pad);
|
|
curr_num /= 10;
|
|
}
|
|
return buf;
|
|
}
|
|
|
|
/** \brief converts uint8_t into char array
|
|
*
|
|
* Takes an uint8_t, and uses an internal static buffer to render that value into a char array
|
|
* A padding character may be specified, ' ' for leading spaces, '0' for leading zeros.
|
|
*
|
|
* NOTE: Subsequent invocations will reuse the same static buffer and overwrite the previous
|
|
* contents. Use the result immediately, instead of caching it.
|
|
*/
|
|
const char *get_u8_str(uint8_t curr_num, char curr_pad) {
|
|
static char buf[4] = {0};
|
|
static uint8_t last_num = 0xFF;
|
|
static char last_pad = '\0';
|
|
if (last_num == curr_num && last_pad == curr_pad) {
|
|
return buf;
|
|
}
|
|
last_num = curr_num;
|
|
last_pad = curr_pad;
|
|
return get_numeric_str(buf, sizeof(buf), curr_num, curr_pad);
|
|
}
|
|
|
|
/** \brief converts uint16_t into char array
|
|
*
|
|
* Takes an uint16_t, and uses an internal static buffer to render that value into a char array
|
|
* A padding character may be specified, ' ' for leading spaces, '0' for leading zeros.
|
|
*
|
|
* NOTE: Subsequent invocations will reuse the same static buffer and overwrite the previous
|
|
* contents. Use the result immediately, instead of caching it.
|
|
*/
|
|
const char *get_u16_str(uint16_t curr_num, char curr_pad) {
|
|
static char buf[6] = {0};
|
|
static uint16_t last_num = 0xFF;
|
|
static char last_pad = '\0';
|
|
if (last_num == curr_num && last_pad == curr_pad) {
|
|
return buf;
|
|
}
|
|
last_num = curr_num;
|
|
last_pad = curr_pad;
|
|
return get_numeric_str(buf, sizeof(buf), curr_num, curr_pad);
|
|
}
|