374 lines
13 KiB
C
374 lines
13 KiB
C
/* Copyright 2017 Jason Williams
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* Copyright 2017 Jack Humbert
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* Copyright 2018 Yiancar
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* Copyright 2019 Clueboard
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "led_matrix.h"
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#include "progmem.h"
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#include "config.h"
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#include "eeprom.h"
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#include <string.h>
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#include <math.h>
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#include "led_tables.h"
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#include <lib/lib8tion/lib8tion.h>
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#ifndef MAX
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# define MAX(X, Y) ((X) > (Y) ? (X) : (Y))
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#endif
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#ifndef MIN
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# define MIN(a, b) ((a) < (b) ? (a) : (b))
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#endif
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#if defined(LED_DISABLE_AFTER_TIMEOUT) && !defined(LED_DISABLE_TIMEOUT)
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# define LED_DISABLE_TIMEOUT (LED_DISABLE_AFTER_TIMEOUT * 1200UL)
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#endif
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#ifndef LED_DISABLE_TIMEOUT
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# define LED_DISABLE_TIMEOUT 0
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#endif
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#ifndef LED_DISABLE_WHEN_USB_SUSPENDED
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# define LED_DISABLE_WHEN_USB_SUSPENDED false
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#endif
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#if !defined(LED_MATRIX_MAXIMUM_BRIGHTNESS) || LED_MATRIX_MAXIMUM_BRIGHTNESS > UINT8_MAX
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# undef LED_MATRIX_MAXIMUM_BRIGHTNESS
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# define LED_MATRIX_MAXIMUM_BRIGHTNESS UINT8_MAX
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#endif
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#if !defined(LED_MATRIX_VAL_STEP)
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# define LED_MATRIX_VAL_STEP 8
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#endif
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#if !defined(LED_MATRIX_SPD_STEP)
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# define LED_MATRIX_SPD_STEP 16
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#endif
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#if !defined(LED_MATRIX_STARTUP_MODE)
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# define LED_MATRIX_STARTUP_MODE LED_MATRIX_UNIFORM_BRIGHTNESS
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#endif
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#if !defined(LED_MATRIX_STARTUP_VAL)
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# define LED_MATRIX_STARTUP_VAL LED_MATRIX_MAXIMUM_BRIGHTNESS
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#endif
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#if !defined(LED_MATRIX_STARTUP_SPD)
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# define LED_MATRIX_STARTUP_SPD UINT8_MAX / 2
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#endif
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// globals
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bool g_suspend_state = false;
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led_eeconfig_t led_matrix_eeconfig; // TODO: would like to prefix this with g_ for global consistancy, do this in another pr
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// Global tick at 20 Hz
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uint32_t g_tick = 0;
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// Ticks since this key was last hit.
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uint8_t g_key_hit[DRIVER_LED_TOTAL];
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// Ticks since any key was last hit.
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uint32_t g_any_key_hit = 0;
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void eeconfig_read_led_matrix(void) { eeprom_read_block(&led_matrix_eeconfig, EECONFIG_LED_MATRIX, sizeof(led_matrix_eeconfig)); }
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void eeconfig_update_led_matrix(void) { eeprom_update_block(&led_matrix_eeconfig, EECONFIG_LED_MATRIX, sizeof(led_matrix_eeconfig)); }
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void eeconfig_update_led_matrix_default(void) {
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dprintf("eeconfig_update_led_matrix_default\n");
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led_matrix_eeconfig.enable = 1;
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led_matrix_eeconfig.mode = LED_MATRIX_STARTUP_MODE;
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led_matrix_eeconfig.val = LED_MATRIX_STARTUP_VAL;
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led_matrix_eeconfig.speed = LED_MATRIX_STARTUP_SPD;
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eeconfig_update_led_matrix();
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}
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void eeconfig_debug_led_matrix(void) {
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dprintf("led_matrix_eeconfig EEPROM\n");
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dprintf("led_matrix_eeconfig.enable = %d\n", led_matrix_eeconfig.enable);
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dprintf("led_matrix_eeconfig.mode = %d\n", led_matrix_eeconfig.mode);
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dprintf("led_matrix_eeconfig.val = %d\n", led_matrix_eeconfig.val);
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dprintf("led_matrix_eeconfig.speed = %d\n", led_matrix_eeconfig.speed);
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}
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uint8_t g_last_led_hit[LED_HITS_TO_REMEMBER] = {255};
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uint8_t g_last_led_count = 0;
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__attribute__((weak)) uint8_t led_matrix_map_row_column_to_led_kb(uint8_t row, uint8_t column, uint8_t *led_i) { return 0; }
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uint8_t led_matrix_map_row_column_to_led(uint8_t row, uint8_t column, uint8_t *led_i) {
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uint8_t led_count = led_matrix_map_row_column_to_led_kb(row, column, led_i);
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uint8_t led_index = g_led_config.matrix_co[row][column];
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if (led_index != NO_LED) {
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led_i[led_count] = led_index;
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led_count++;
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}
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return led_count;
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}
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void led_matrix_update_pwm_buffers(void) { led_matrix_driver.flush(); }
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void led_matrix_set_value(int index, uint8_t value) {
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#ifdef USE_CIE1931_CURVE
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led_matrix_driver.set_value(index, pgm_read_byte(&CIE1931_CURVE[value]));
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#else
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led_matrix_driver.set_value(index, value);
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#endif
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}
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void led_matrix_set_value_all(uint8_t value) {
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#ifdef USE_CIE1931_CURVE
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led_matrix_driver.set_value_all(pgm_read_byte(&CIE1931_CURVE[value]));
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#else
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led_matrix_driver.set_value_all(value);
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#endif
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}
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void process_led_matrix(uint8_t row, uint8_t col, bool pressed) {
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if (pressed) {
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uint8_t led[8];
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uint8_t led_count = led_matrix_map_row_column_to_led(row, col, led);
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if (led_count > 0) {
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for (uint8_t i = LED_HITS_TO_REMEMBER; i > 1; i--) {
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g_last_led_hit[i - 1] = g_last_led_hit[i - 2];
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}
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g_last_led_hit[0] = led[0];
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g_last_led_count = MIN(LED_HITS_TO_REMEMBER, g_last_led_count + 1);
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}
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for (uint8_t i = 0; i < led_count; i++) g_key_hit[led[i]] = 0;
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g_any_key_hit = 0;
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} else {
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#ifdef LED_MATRIX_KEYRELEASES
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uint8_t led[8];
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uint8_t led_count = led_matrix_map_row_column_to_led(row, .col, led);
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for (uint8_t i = 0; i < led_count; i++) g_key_hit[led[i]] = 255;
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g_any_key_hit = 255;
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#endif
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}
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}
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static void led_matrix_none(void) { led_matrix_set_value_all(0); }
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// Uniform brightness
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void led_matrix_uniform_brightness(void) { led_matrix_set_value_all(led_matrix_eeconfig.val); }
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void led_matrix_custom(void) {}
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void led_matrix_task(void) {
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if (!led_matrix_eeconfig.enable) {
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led_matrix_none();
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led_matrix_indicators();
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return;
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}
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g_tick++;
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if (g_any_key_hit < 0xFFFFFFFF) {
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g_any_key_hit++;
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}
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for (int led = 0; led < DRIVER_LED_TOTAL; led++) {
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if (g_key_hit[led] < 255) {
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if (g_key_hit[led] == 254) g_last_led_count = MAX(g_last_led_count - 1, 0);
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g_key_hit[led]++;
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}
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}
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// Ideally we would also stop sending zeros to the LED driver PWM buffers
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// while suspended and just do a software shutdown. This is a cheap hack for now.
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bool suspend_backlight =
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#if LED_DISABLE_WHEN_USB_SUSPENDED == true
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g_suspend_state ||
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#endif // LED_DISABLE_WHEN_USB_SUSPENDED == true
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#if LED_DISABLE_TIMEOUT > 0
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(g_any_key_hit > (uint32_t)LED_DISABLE_TIMEOUT) ||
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#endif // LED_DISABLE_TIMEOUT > 0
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false;
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uint8_t effect = suspend_backlight || !led_matrix_eeconfig.enable ? 0 : led_matrix_eeconfig.mode;
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// this gets ticked at 20 Hz.
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// each effect can opt to do calculations
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// and/or request PWM buffer updates.
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switch (effect) {
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case LED_MATRIX_NONE:
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led_matrix_none();
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case LED_MATRIX_UNIFORM_BRIGHTNESS:
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led_matrix_uniform_brightness();
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break;
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default:
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led_matrix_custom();
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break;
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}
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if (effect) {
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led_matrix_indicators();
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}
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// Tell the LED driver to update its state
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led_matrix_driver.flush();
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}
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void led_matrix_indicators(void) {
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led_matrix_indicators_kb();
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led_matrix_indicators_user();
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}
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__attribute__((weak)) void led_matrix_indicators_kb(void) {}
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__attribute__((weak)) void led_matrix_indicators_user(void) {}
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void led_matrix_init(void) {
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led_matrix_driver.init();
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// Wait half a second for the driver to finish initializing
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wait_ms(500);
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// clear the key hits
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for (int led = 0; led < DRIVER_LED_TOTAL; led++) {
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g_key_hit[led] = 255;
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}
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if (!eeconfig_is_enabled()) {
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dprintf("led_matrix_init_drivers eeconfig is not enabled.\n");
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eeconfig_init();
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eeconfig_update_led_matrix_default();
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}
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eeconfig_read_led_matrix();
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if (!led_matrix_eeconfig.mode) {
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dprintf("led_matrix_init_drivers led_matrix_eeconfig.mode = 0. Write default values to EEPROM.\n");
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eeconfig_update_led_matrix_default();
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}
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eeconfig_debug_led_matrix(); // display current eeprom values
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}
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void led_matrix_set_suspend_state(bool state) {
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if (LED_DISABLE_WHEN_USB_SUSPENDED && state) {
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led_matrix_set_value_all(0); // turn off all LEDs when suspending
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}
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g_suspend_state = state;
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}
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bool led_matrix_get_suspend_state(void) { return g_suspend_state; }
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void led_matrix_toggle_eeprom_helper(bool write_to_eeprom) {
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led_matrix_eeconfig.enable ^= 1;
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if (write_to_eeprom) {
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eeconfig_update_led_matrix();
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}
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dprintf("led matrix toggle [%s]: led_matrix_eeconfig.enable = %u\n", (write_to_eeprom) ? "EEPROM" : "NOEEPROM", led_matrix_eeconfig.enable);
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}
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void led_matrix_toggle_noeeprom(void) { led_matrix_toggle_eeprom_helper(false); }
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void led_matrix_toggle(void) { led_matrix_toggle_eeprom_helper(true); }
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void led_matrix_enable(void) {
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led_matrix_enable_noeeprom();
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eeconfig_update_led_matrix();
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}
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void led_matrix_enable_noeeprom(void) { led_matrix_eeconfig.enable = 1; }
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void led_matrix_disable(void) {
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led_matrix_disable_noeeprom();
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eeconfig_update_led_matrix();
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}
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void led_matrix_disable_noeeprom(void) { led_matrix_eeconfig.enable = 0; }
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uint8_t led_matrix_is_enabled(void) { return led_matrix_eeconfig.enable; }
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void led_matrix_mode_eeprom_helper(uint8_t mode, bool write_to_eeprom) {
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if (!led_matrix_eeconfig.enable) {
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return;
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}
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if (mode < 1) {
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led_matrix_eeconfig.mode = 1;
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} else if (mode >= LED_MATRIX_EFFECT_MAX) {
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led_matrix_eeconfig.mode = LED_MATRIX_EFFECT_MAX - 1;
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} else {
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led_matrix_eeconfig.mode = mode;
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}
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if (write_to_eeprom) {
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eeconfig_update_led_matrix();
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}
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dprintf("led matrix mode [%s]: %u\n", (write_to_eeprom) ? "EEPROM" : "NOEEPROM", led_matrix_eeconfig.mode);
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}
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void led_matrix_mode_noeeprom(uint8_t mode) { led_matrix_mode_eeprom_helper(mode, false); }
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void led_matrix_mode(uint8_t mode) { led_matrix_mode_eeprom_helper(mode, true); }
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uint8_t led_matrix_get_mode(void) { return led_matrix_eeconfig.mode; }
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void led_matrix_step_helper(bool write_to_eeprom) {
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uint8_t mode = led_matrix_eeconfig.mode + 1;
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led_matrix_mode_eeprom_helper((mode < LED_MATRIX_EFFECT_MAX) ? mode : 1, write_to_eeprom);
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}
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void led_matrix_step_noeeprom(void) { led_matrix_step_helper(false); }
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void led_matrix_step(void) { led_matrix_step_helper(true); }
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void led_matrix_step_reverse_helper(bool write_to_eeprom) {
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uint8_t mode = led_matrix_eeconfig.mode - 1;
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led_matrix_mode_eeprom_helper((mode < 1) ? LED_MATRIX_EFFECT_MAX - 1 : mode, write_to_eeprom);
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}
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void led_matrix_step_reverse_noeeprom(void) { led_matrix_step_reverse_helper(false); }
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void led_matrix_step_reverse(void) { led_matrix_step_reverse_helper(true); }
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void led_matrix_set_val_eeprom_helper(uint8_t val, bool write_to_eeprom) {
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if (!led_matrix_eeconfig.enable) {
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return;
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}
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led_matrix_eeconfig.val = (val > LED_MATRIX_MAXIMUM_BRIGHTNESS) ? LED_MATRIX_MAXIMUM_BRIGHTNESS : val;
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if (write_to_eeprom) {
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eeconfig_update_led_matrix();
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}
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dprintf("led matrix set val [%s]: %u\n", (write_to_eeprom) ? "EEPROM" : "NOEEPROM", led_matrix_eeconfig.val);
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}
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void led_matrix_set_val_noeeprom(uint8_t val) { led_matrix_set_val_eeprom_helper(val, false); }
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void led_matrix_set_val(uint8_t val) { led_matrix_set_val_eeprom_helper(val, true); }
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uint8_t led_matrix_get_val(void) { return led_matrix_eeconfig.val; }
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void led_matrix_increase_val_helper(bool write_to_eeprom) { led_matrix_set_val_eeprom_helper(qadd8(led_matrix_eeconfig.val, LED_MATRIX_VAL_STEP), write_to_eeprom); }
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void led_matrix_increase_val_noeeprom(void) { led_matrix_increase_val_helper(false); }
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void led_matrix_increase_val(void) { led_matrix_increase_val_helper(true); }
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void led_matrix_decrease_val_helper(bool write_to_eeprom) { led_matrix_set_val_eeprom_helper(qsub8(led_matrix_eeconfig.val, LED_MATRIX_VAL_STEP), write_to_eeprom); }
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void led_matrix_decrease_val_noeeprom(void) { led_matrix_decrease_val_helper(false); }
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void led_matrix_decrease_val(void) { led_matrix_decrease_val_helper(true); }
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void led_matrix_set_speed_eeprom_helper(uint8_t speed, bool write_to_eeprom) {
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led_matrix_eeconfig.speed = speed;
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if (write_to_eeprom) {
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eeconfig_update_led_matrix();
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}
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dprintf("led matrix set speed [%s]: %u\n", (write_to_eeprom) ? "EEPROM" : "NOEEPROM", led_matrix_eeconfig.speed);
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}
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void led_matrix_set_speed_noeeprom(uint8_t speed) { led_matrix_set_speed_eeprom_helper(speed, false); }
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void led_matrix_set_speed(uint8_t speed) { led_matrix_set_speed_eeprom_helper(speed, true); }
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uint8_t led_matrix_get_speed(void) { return led_matrix_eeconfig.speed; }
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void led_matrix_increase_speed_helper(bool write_to_eeprom) { led_matrix_set_speed_eeprom_helper(qadd8(led_matrix_eeconfig.speed, LED_MATRIX_SPD_STEP), write_to_eeprom); }
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void led_matrix_increase_speed_noeeprom(void) { led_matrix_increase_speed_helper(false); }
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void led_matrix_increase_speed(void) { led_matrix_increase_speed_helper(true); }
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void led_matrix_decrease_speed_helper(bool write_to_eeprom) { led_matrix_set_speed_eeprom_helper(qsub8(led_matrix_eeconfig.speed, LED_MATRIX_SPD_STEP), write_to_eeprom); }
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void led_matrix_decrease_speed_noeeprom(void) { led_matrix_decrease_speed_helper(false); }
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void led_matrix_decrease_speed(void) { led_matrix_decrease_speed_helper(true); }
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