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qmk_firmware/keyboards/mxss/mxss_frontled.c

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/* Copyright 2020 Jumail Mundekkat / MxBlue
*
* 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/>.
*
* Extended from the work done by fcoury: https://github.com/qmk/qmk_firmware/pull/4915
*/
#include "mxss_frontled.h"
#include "tmk_core/common/eeprom.h"
#include "rgblight.h"
#include "via.h"
#include "version.h" // for QMK_BUILDDATE used in EEPROM magic
// Variables for controlling front LED application
uint8_t fled_mode; // Mode for front LEDs
uint8_t fled_val; // Brightness for front leds (0 - 255)
LED_TYPE fleds[2]; // Front LED rgb values for indicator mode use
// Layer indicator colors
__attribute__ ((weak))
hs_set layer_colors[FRONTLED_COLOR_MAXCNT];
// Caps lock indicator color
__attribute__ ((weak))
hs_set caps_color;
__attribute__ ((weak))
size_t lc_size = sizeof(layer_colors) / sizeof(hs_set);
void fled_init(void) {
// If EEPROM config exists, load it
// If VIA EEPROM exists, FLED config should too
if (via_eeprom_is_valid()) {
fled_load_conf();
// Else, default config
} else {
// Default mode/brightness
fled_mode = FLED_RGB;
fled_val = 10 * FLED_VAL_STEP;
// Default colors
caps_color.hue = 0;
caps_color.sat = 255;
layer_colors[0].hue = 0;
layer_colors[0].sat = 0;
layer_colors[1].hue = 86;
layer_colors[1].sat = 255;
layer_colors[2].hue = 36;
layer_colors[2].sat = 255;
layer_colors[3].hue = 185;
layer_colors[3].sat = 255;
fled_update_conf(); // Store default config to EEPROM
}
// Set default values for leds
setrgb(0, 0, 0, &fleds[0]);
setrgb(0, 0, 0, &fleds[1]);
// Handle lighting for indicator mode
if (fled_mode == FLED_INDI) {
fled_lock_update(host_keyboard_led_state());
fled_layer_update(layer_state);
}
}
void process_record_fled(uint16_t keycode, keyrecord_t *record) {
// Handle custom keycodes for front LED operation
switch (keycode) {
case FLED_MOD: // Change between front LED operation modes (off, indicator, RGB)
if (record->event.pressed)
fled_mode_cycle();
break;
case FLED_VAI: // Increase the brightness of the front LEDs by FLED_VAL_STEP
if (record->event.pressed)
fled_val_increase();
break;
case FLED_VAD: // Decrease the brightness of the front LEDs by FLED_VAL_STEP
if (record->event.pressed)
fled_val_decrease();
break;
default:
break; // Process all other keycodes normally
}
return;
}
void fled_load_conf(void) {
// Load config
fled_config fled_conf;
fled_conf.raw = eeprom_read_byte(FRONTLED_CONF_ADDR);
fled_mode = fled_conf.mode;
fled_val = fled_conf.val * FLED_VAL_STEP;
// Load color data
uint8_t stored_cnt = eeprom_read_byte(FRONTLED_COLOR_CNT_ADDR);
uint16_t *color_ptr = FRONTLED_COLOR_ADDR;
caps_color.raw = eeprom_read_word(color_ptr); // Should always store at least 1 color
for (uint8_t i = 1; i < stored_cnt; i++) {
if (i == lc_size) // Can't load more layers than we have available
break;
layer_colors[i].raw = eeprom_read_word(&color_ptr[i]);
}
layer_colors[0].raw = 0; // hue = sat = 0 for layer 0
}
// Store current front led config in EEPROM
void fled_update_conf(void)
{
// Create storage struct and set values
fled_config conf;
conf.mode = fled_mode;
// Small hack to ensure max value is stored correctly
if (fled_val == 255)
conf.val = 256 / FLED_VAL_STEP;
else
conf.val = fled_val / FLED_VAL_STEP;
// Store config
eeprom_update_byte(FRONTLED_CONF_ADDR, conf.raw);
// Store color data
uint16_t *color_ptr = FRONTLED_COLOR_ADDR;
eeprom_update_word(color_ptr, caps_color.raw);
// Start from 1, layer 0 is not modifiable and therefore not persisted
uint8_t i = 1;
for (; i < lc_size; i++) {
if (i == FRONTLED_COLOR_MAXCNT) // Can't store more than the EEPROM we have available
break;
eeprom_update_word(&color_ptr[i], layer_colors[i].raw);
}
eeprom_update_byte(FRONTLED_COLOR_CNT_ADDR, i); // For safety, store the count of colors stored
}
// Custom keycode functions
void fled_mode_cycle(void)
{
// FLED -> FLED_RGB -> FLED_INDI
switch (fled_mode) {
case FLED_OFF:
fled_mode = FLED_RGB;
rgblight_timer_enable();
break;
case FLED_RGB:
fled_mode = FLED_INDI;
break;
case FLED_INDI:
fled_mode = FLED_OFF;
break;
}
// Update stored config
fled_update_conf();
rgblight_set();
}
void fled_val_increase(void)
{
// Increase val by FLED_VAL_STEP, handling the upper edge case
if (fled_val + FLED_VAL_STEP > 255)
fled_val = 255;
else
fled_val += FLED_VAL_STEP;
// Update stored config
fled_update_conf();
// Update and set LED state
if (fled_mode == FLED_INDI) {
fled_layer_update(layer_state);
fled_lock_update(host_keyboard_led_state());
} else {
rgblight_set();
}
}
void fled_val_decrease(void)
{
// Decrease val by FLED_VAL_STEP, handling the lower edge case
if (fled_val - FLED_VAL_STEP > 255)
fled_val = 255;
else
fled_val -= FLED_VAL_STEP;
// Update stored config
fled_update_conf();
// Update and set LED state
if (fled_mode == FLED_INDI) {
fled_layer_update(layer_state);
fled_lock_update(host_keyboard_led_state());
} else {
rgblight_set();
}
}
void fled_layer_update(layer_state_t state) {
// Determine and set colour of layer LED according to current layer
// if hue = sat = 0, leave LED off
uint8_t layer = get_highest_layer(state);
if (layer < lc_size && !(layer_colors[layer].hue == 0 && layer_colors[layer].sat == 0)) {
sethsv(layer_colors[layer].hue, layer_colors[layer].sat, fled_val, &fleds[1]);
} else {
setrgb(0, 0, 0, &fleds[1]);
}
}
void fled_lock_update(led_t led_state) {
// Set indicator LED appropriately, whether it is used or not
if (led_state.caps_lock) {
sethsv(caps_color.hue, caps_color.sat, fled_val, &fleds[0]);
} else {
setrgb(0, 0, 0, &fleds[0]);
}
rgblight_set();
}
void set_fled_layer_color(uint8_t layer, hs_set hs) {
// Update layer colors and refresh LEDs
layer_colors[layer] = hs;
fled_layer_update(layer_state);
fled_update_conf();
}
hs_set get_fled_layer_color(uint8_t layer) {
return layer_colors[layer];
}
void set_fled_caps_color(hs_set hs) {
// Update caplock color and refresh LEDs
caps_color = hs;
fled_lock_update(host_keyboard_led_state());
fled_update_conf();
}
hs_set get_fled_caps_color(void) {
return caps_color;
}
// Fallback eeprom functions if VIA is not enabled
#ifndef VIA_ENABLE
// Can be called in an overriding via_init_kb() to test if keyboard level code usage of
// EEPROM is invalid and use/save defaults.
bool via_eeprom_is_valid(void)
{
char *p = QMK_BUILDDATE; // e.g. "2019-11-05-11:29:54"
uint8_t magic0 = ( ( p[2] & 0x0F ) << 4 ) | ( p[3] & 0x0F );
uint8_t magic1 = ( ( p[5] & 0x0F ) << 4 ) | ( p[6] & 0x0F );
uint8_t magic2 = ( ( p[8] & 0x0F ) << 4 ) | ( p[9] & 0x0F );
return (eeprom_read_byte( (void*)VIA_EEPROM_MAGIC_ADDR+0 ) == magic0 &&
eeprom_read_byte( (void*)VIA_EEPROM_MAGIC_ADDR+1 ) == magic1 &&
eeprom_read_byte( (void*)VIA_EEPROM_MAGIC_ADDR+2 ) == magic2 );
}
#endif