1 /* Copyright 2017 Jason Williams
2 * Copyright 2017 Jack Humbert
3 * Copyright 2018 Yiancar
4 * Copyright 2019 Clueboard
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include "ledmatrix.h"
30 led_config_t led_matrix_config;
33 # define MAX(X, Y) ((X) > (Y) ? (X) : (Y))
37 # define MIN(a, b) ((a) < (b) ? (a) : (b))
40 #ifndef LED_DISABLE_AFTER_TIMEOUT
41 # define LED_DISABLE_AFTER_TIMEOUT 0
44 #ifndef LED_DISABLE_WHEN_USB_SUSPENDED
45 # define LED_DISABLE_WHEN_USB_SUSPENDED false
48 #ifndef EECONFIG_LED_MATRIX
49 # define EECONFIG_LED_MATRIX EECONFIG_RGBLIGHT
52 #if !defined(LED_MATRIX_MAXIMUM_BRIGHTNESS) || LED_MATRIX_MAXIMUM_BRIGHTNESS > 255
53 # define LED_MATRIX_MAXIMUM_BRIGHTNESS 255
56 bool g_suspend_state = false;
58 // Global tick at 20 Hz
61 // Ticks since this key was last hit.
62 uint8_t g_key_hit[LED_DRIVER_LED_COUNT];
64 // Ticks since any key was last hit.
65 uint32_t g_any_key_hit = 0;
67 uint32_t eeconfig_read_led_matrix(void) { return eeprom_read_dword(EECONFIG_LED_MATRIX); }
69 void eeconfig_update_led_matrix(uint32_t config_value) { eeprom_update_dword(EECONFIG_LED_MATRIX, config_value); }
71 void eeconfig_update_led_matrix_default(void) {
72 dprintf("eeconfig_update_led_matrix_default\n");
73 led_matrix_config.enable = 1;
74 led_matrix_config.mode = LED_MATRIX_UNIFORM_BRIGHTNESS;
75 led_matrix_config.val = 128;
76 led_matrix_config.speed = 0;
77 eeconfig_update_led_matrix(led_matrix_config.raw);
80 void eeconfig_debug_led_matrix(void) {
81 dprintf("led_matrix_config eeprom\n");
82 dprintf("led_matrix_config.enable = %d\n", led_matrix_config.enable);
83 dprintf("led_matrix_config.mode = %d\n", led_matrix_config.mode);
84 dprintf("led_matrix_config.val = %d\n", led_matrix_config.val);
85 dprintf("led_matrix_config.speed = %d\n", led_matrix_config.speed);
89 #ifndef LED_HITS_TO_REMEMBER
90 # define LED_HITS_TO_REMEMBER 8
92 uint8_t g_last_led_hit[LED_HITS_TO_REMEMBER] = {255};
93 uint8_t g_last_led_count = 0;
95 void map_row_column_to_led(uint8_t row, uint8_t column, uint8_t *led_i, uint8_t *led_count) {
99 for (uint8_t i = 0; i < LED_DRIVER_LED_COUNT; i++) {
100 // map_index_to_led(i, &led);
102 if (row == led.matrix_co.row && column == led.matrix_co.col) {
103 led_i[*led_count] = i;
109 void led_matrix_update_pwm_buffers(void) { led_matrix_driver.flush(); }
111 void led_matrix_set_index_value(int index, uint8_t value) { led_matrix_driver.set_value(index, value); }
113 void led_matrix_set_index_value_all(uint8_t value) { led_matrix_driver.set_value_all(value); }
115 bool process_led_matrix(uint16_t keycode, keyrecord_t *record) {
116 if (record->event.pressed) {
117 uint8_t led[8], led_count;
118 map_row_column_to_led(record->event.key.row, record->event.key.col, led, &led_count);
120 for (uint8_t i = LED_HITS_TO_REMEMBER; i > 1; i--) {
121 g_last_led_hit[i - 1] = g_last_led_hit[i - 2];
123 g_last_led_hit[0] = led[0];
124 g_last_led_count = MIN(LED_HITS_TO_REMEMBER, g_last_led_count + 1);
126 for (uint8_t i = 0; i < led_count; i++) g_key_hit[led[i]] = 0;
129 #ifdef LED_MATRIX_KEYRELEASES
130 uint8_t led[8], led_count;
131 map_row_column_to_led(record->event.key.row, record->event.key.col, led, &led_count);
132 for (uint8_t i = 0; i < led_count; i++) g_key_hit[led[i]] = 255;
140 void led_matrix_set_suspend_state(bool state) { g_suspend_state = state; }
143 void led_matrix_all_off(void) { led_matrix_set_index_value_all(0); }
145 // Uniform brightness
146 void led_matrix_uniform_brightness(void) { led_matrix_set_index_value_all(LED_MATRIX_MAXIMUM_BRIGHTNESS / BACKLIGHT_LEVELS * led_matrix_config.val); }
148 void led_matrix_custom(void) {}
150 void led_matrix_task(void) {
151 if (!led_matrix_config.enable) {
152 led_matrix_all_off();
153 led_matrix_indicators();
159 if (g_any_key_hit < 0xFFFFFFFF) {
163 for (int led = 0; led < LED_DRIVER_LED_COUNT; led++) {
164 if (g_key_hit[led] < 255) {
165 if (g_key_hit[led] == 254) g_last_led_count = MAX(g_last_led_count - 1, 0);
170 // Ideally we would also stop sending zeros to the LED driver PWM buffers
171 // while suspended and just do a software shutdown. This is a cheap hack for now.
172 bool suspend_backlight = ((g_suspend_state && LED_DISABLE_WHEN_USB_SUSPENDED) || (LED_DISABLE_AFTER_TIMEOUT > 0 && g_any_key_hit > LED_DISABLE_AFTER_TIMEOUT * 60 * 20));
173 uint8_t effect = suspend_backlight ? 0 : led_matrix_config.mode;
175 // this gets ticked at 20 Hz.
176 // each effect can opt to do calculations
177 // and/or request PWM buffer updates.
179 case LED_MATRIX_UNIFORM_BRIGHTNESS:
180 led_matrix_uniform_brightness();
187 if (!suspend_backlight) {
188 led_matrix_indicators();
191 // Tell the LED driver to update its state
192 led_matrix_driver.flush();
195 void led_matrix_indicators(void) {
196 led_matrix_indicators_kb();
197 led_matrix_indicators_user();
200 __attribute__((weak)) void led_matrix_indicators_kb(void) {}
202 __attribute__((weak)) void led_matrix_indicators_user(void) {}
204 // void led_matrix_set_indicator_index(uint8_t *index, uint8_t row, uint8_t column)
206 // if (row >= MATRIX_ROWS)
208 // // Special value, 255=none, 254=all
213 // // This needs updated to something like
214 // // uint8_t led[8], led_count;
215 // // map_row_column_to_led(row,column,led,&led_count);
216 // // for(uint8_t i = 0; i < led_count; i++)
217 // map_row_column_to_led(row, column, index);
221 void led_matrix_init(void) {
222 led_matrix_driver.init();
224 // Wait half a second for the driver to finish initializing
227 // clear the key hits
228 for (int led = 0; led < LED_DRIVER_LED_COUNT; led++) {
229 g_key_hit[led] = 255;
232 if (!eeconfig_is_enabled()) {
233 dprintf("led_matrix_init_drivers eeconfig is not enabled.\n");
235 eeconfig_update_led_matrix_default();
238 led_matrix_config.raw = eeconfig_read_led_matrix();
240 if (!led_matrix_config.mode) {
241 dprintf("led_matrix_init_drivers led_matrix_config.mode = 0. Write default values to EEPROM.\n");
242 eeconfig_update_led_matrix_default();
243 led_matrix_config.raw = eeconfig_read_led_matrix();
246 eeconfig_debug_led_matrix(); // display current eeprom values
249 // Deals with the messy details of incrementing an integer
250 static uint8_t increment(uint8_t value, uint8_t step, uint8_t min, uint8_t max) {
251 int16_t new_value = value;
253 return MIN(MAX(new_value, min), max);
256 static uint8_t decrement(uint8_t value, uint8_t step, uint8_t min, uint8_t max) {
257 int16_t new_value = value;
259 return MIN(MAX(new_value, min), max);
262 // void *backlight_get_custom_key_value_eeprom_address(uint8_t led) {
263 // // 3 bytes per value
264 // return EECONFIG_LED_MATRIX + (led * 3);
267 // void backlight_get_key_value(uint8_t led, uint8_t *value) {
268 // void *address = backlight_get_custom_key_value_eeprom_address(led);
269 // value = eeprom_read_byte(address);
272 // void backlight_set_key_value(uint8_t row, uint8_t column, uint8_t value) {
273 // uint8_t led[8], led_count;
274 // map_row_column_to_led(row,column,led,&led_count);
275 // for(uint8_t i = 0; i < led_count; i++) {
276 // if (led[i] < LED_DRIVER_LED_COUNT) {
277 // void *address = backlight_get_custom_key_value_eeprom_address(led[i]);
278 // eeprom_update_byte(address, value);
283 uint32_t led_matrix_get_tick(void) { return g_tick; }
285 void led_matrix_toggle(void) {
286 led_matrix_config.enable ^= 1;
287 eeconfig_update_led_matrix(led_matrix_config.raw);
290 void led_matrix_enable(void) {
291 led_matrix_config.enable = 1;
292 eeconfig_update_led_matrix(led_matrix_config.raw);
295 void led_matrix_enable_noeeprom(void) { led_matrix_config.enable = 1; }
297 void led_matrix_disable(void) {
298 led_matrix_config.enable = 0;
299 eeconfig_update_led_matrix(led_matrix_config.raw);
302 void led_matrix_disable_noeeprom(void) { led_matrix_config.enable = 0; }
304 void led_matrix_step(void) {
305 led_matrix_config.mode++;
306 if (led_matrix_config.mode >= LED_MATRIX_EFFECT_MAX) {
307 led_matrix_config.mode = 1;
309 eeconfig_update_led_matrix(led_matrix_config.raw);
312 void led_matrix_step_reverse(void) {
313 led_matrix_config.mode--;
314 if (led_matrix_config.mode < 1) {
315 led_matrix_config.mode = LED_MATRIX_EFFECT_MAX - 1;
317 eeconfig_update_led_matrix(led_matrix_config.raw);
320 void led_matrix_increase_val(void) {
321 led_matrix_config.val = increment(led_matrix_config.val, 8, 0, LED_MATRIX_MAXIMUM_BRIGHTNESS);
322 eeconfig_update_led_matrix(led_matrix_config.raw);
325 void led_matrix_decrease_val(void) {
326 led_matrix_config.val = decrement(led_matrix_config.val, 8, 0, LED_MATRIX_MAXIMUM_BRIGHTNESS);
327 eeconfig_update_led_matrix(led_matrix_config.raw);
330 void led_matrix_increase_speed(void) {
331 led_matrix_config.speed = increment(led_matrix_config.speed, 1, 0, 3);
332 eeconfig_update_led_matrix(led_matrix_config.raw); // EECONFIG needs to be increased to support this
335 void led_matrix_decrease_speed(void) {
336 led_matrix_config.speed = decrement(led_matrix_config.speed, 1, 0, 3);
337 eeconfig_update_led_matrix(led_matrix_config.raw); // EECONFIG needs to be increased to support this
340 void led_matrix_mode(uint8_t mode, bool eeprom_write) {
341 led_matrix_config.mode = mode;
343 eeconfig_update_led_matrix(led_matrix_config.raw);
347 uint8_t led_matrix_get_mode(void) { return led_matrix_config.mode; }
349 void led_matrix_set_value_noeeprom(uint8_t val) { led_matrix_config.val = val; }
351 void led_matrix_set_value(uint8_t val) {
352 led_matrix_set_value_noeeprom(val);
353 eeconfig_update_led_matrix(led_matrix_config.raw);
356 void backlight_set(uint8_t val) { led_matrix_set_value(val); }