qmk_firmware/quantum/led_matrix.c
2021-04-15 12:08:52 +10:00

451 lines
15 KiB
C

/* Copyright 2017 Jason Williams
* Copyright 2017 Jack Humbert
* Copyright 2018 Yiancar
* Copyright 2019 Clueboard
*
* 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 "led_matrix.h"
#include "progmem.h"
#include "config.h"
#include "eeprom.h"
#include <string.h>
#include <math.h>
#include "led_tables.h"
#include <lib/lib8tion/lib8tion.h>
#ifndef MAX
# define MAX(X, Y) ((X) > (Y) ? (X) : (Y))
#endif
#ifndef MIN
# define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif
#if defined(LED_DISABLE_AFTER_TIMEOUT) && !defined(LED_DISABLE_TIMEOUT)
# define LED_DISABLE_TIMEOUT (LED_DISABLE_AFTER_TIMEOUT * 1200UL)
#endif
#ifndef LED_DISABLE_TIMEOUT
# define LED_DISABLE_TIMEOUT 0
#endif
#ifndef LED_DISABLE_WHEN_USB_SUSPENDED
# define LED_DISABLE_WHEN_USB_SUSPENDED false
#endif
#if !defined(LED_MATRIX_MAXIMUM_BRIGHTNESS) || LED_MATRIX_MAXIMUM_BRIGHTNESS > UINT8_MAX
# undef LED_MATRIX_MAXIMUM_BRIGHTNESS
# define LED_MATRIX_MAXIMUM_BRIGHTNESS UINT8_MAX
#endif
#if !defined(LED_MATRIX_VAL_STEP)
# define LED_MATRIX_VAL_STEP 8
#endif
#if !defined(LED_MATRIX_SPD_STEP)
# define LED_MATRIX_SPD_STEP 16
#endif
#if !defined(LED_MATRIX_STARTUP_MODE)
# define LED_MATRIX_STARTUP_MODE LED_MATRIX_UNIFORM_BRIGHTNESS
#endif
#if !defined(LED_MATRIX_STARTUP_VAL)
# define LED_MATRIX_STARTUP_VAL LED_MATRIX_MAXIMUM_BRIGHTNESS
#endif
#if !defined(LED_MATRIX_STARTUP_SPD)
# define LED_MATRIX_STARTUP_SPD UINT8_MAX / 2
#endif
// globals
bool g_suspend_state = false;
led_eeconfig_t led_matrix_eeconfig; // TODO: would like to prefix this with g_ for global consistancy, do this in another pr
uint32_t g_led_timer;
// internals
static uint8_t led_last_enable = UINT8_MAX;
static uint8_t led_last_effect = UINT8_MAX;
static effect_params_t led_effect_params = {0, LED_FLAG_ALL, false};
static led_task_states led_task_state = SYNCING;
#if LED_DISABLE_TIMEOUT > 0
static uint32_t led_anykey_timer;
#endif // LED_DISABLE_TIMEOUT > 0
// double buffers
static uint32_t led_timer_buffer;
void eeconfig_read_led_matrix(void) { eeprom_read_block(&led_matrix_eeconfig, EECONFIG_LED_MATRIX, sizeof(led_matrix_eeconfig)); }
void eeconfig_update_led_matrix(void) { eeprom_update_block(&led_matrix_eeconfig, EECONFIG_LED_MATRIX, sizeof(led_matrix_eeconfig)); }
void eeconfig_update_led_matrix_default(void) {
dprintf("eeconfig_update_led_matrix_default\n");
led_matrix_eeconfig.enable = 1;
led_matrix_eeconfig.mode = LED_MATRIX_STARTUP_MODE;
led_matrix_eeconfig.val = LED_MATRIX_STARTUP_VAL;
led_matrix_eeconfig.speed = LED_MATRIX_STARTUP_SPD;
led_matrix_eeconfig.flags = LED_FLAG_ALL;
eeconfig_update_led_matrix();
}
void eeconfig_debug_led_matrix(void) {
dprintf("led_matrix_eeconfig EEPROM\n");
dprintf("led_matrix_eeconfig.enable = %d\n", led_matrix_eeconfig.enable);
dprintf("led_matrix_eeconfig.mode = %d\n", led_matrix_eeconfig.mode);
dprintf("led_matrix_eeconfig.val = %d\n", led_matrix_eeconfig.val);
dprintf("led_matrix_eeconfig.speed = %d\n", led_matrix_eeconfig.speed);
dprintf("led_matrix_eeconfig.flags = %d\n", led_matrix_eeconfig.flags);
}
uint8_t g_last_led_hit[LED_HITS_TO_REMEMBER] = {255};
uint8_t g_last_led_count = 0;
__attribute__((weak)) uint8_t led_matrix_map_row_column_to_led_kb(uint8_t row, uint8_t column, uint8_t *led_i) { return 0; }
uint8_t led_matrix_map_row_column_to_led(uint8_t row, uint8_t column, uint8_t *led_i) {
uint8_t led_count = led_matrix_map_row_column_to_led_kb(row, column, led_i);
uint8_t led_index = g_led_config.matrix_co[row][column];
if (led_index != NO_LED) {
led_i[led_count] = led_index;
led_count++;
}
return led_count;
}
void led_matrix_update_pwm_buffers(void) { led_matrix_driver.flush(); }
void led_matrix_set_value(int index, uint8_t value) {
#ifdef USE_CIE1931_CURVE
led_matrix_driver.set_value(index, pgm_read_byte(&CIE1931_CURVE[value]));
#else
led_matrix_driver.set_value(index, value);
#endif
}
void led_matrix_set_value_all(uint8_t value) {
#ifdef USE_CIE1931_CURVE
led_matrix_driver.set_value_all(pgm_read_byte(&CIE1931_CURVE[value]));
#else
led_matrix_driver.set_value_all(value);
#endif
}
void process_led_matrix(uint8_t row, uint8_t col, bool pressed) {
#if LED_DISABLE_TIMEOUT > 0
led_anykey_timer = 0;
#endif // LED_DISABLE_TIMEOUT > 0
if (pressed) {
uint8_t led[8];
uint8_t led_count = led_matrix_map_row_column_to_led(row, col, led);
if (led_count > 0) {
for (uint8_t i = LED_HITS_TO_REMEMBER; i > 1; i--) {
g_last_led_hit[i - 1] = g_last_led_hit[i - 2];
}
g_last_led_hit[0] = led[0];
g_last_led_count = MIN(LED_HITS_TO_REMEMBER, g_last_led_count + 1);
}
} else {
#ifdef LED_MATRIX_KEYRELEASES
uint8_t led[8];
uint8_t led_count = led_matrix_map_row_column_to_led(row, .col, led);
#endif
}
}
static bool led_matrix_none(effect_params_t *params) {
if (!params->init) {
return false;
}
led_matrix_set_value_all(0);
return false;
}
static bool led_matrix_uniform_brightness(effect_params_t *params) {
LED_MATRIX_USE_LIMITS(led_min, led_max);
uint8_t val = led_matrix_eeconfig.val;
for (uint8_t i = led_min; i < led_max; i++) {
LED_MATRIX_TEST_LED_FLAGS();
led_matrix_set_value(i, val);
}
return led_max < DRIVER_LED_TOTAL;
}
static void led_task_timers(void) {
#if LED_DISABLE_TIMEOUT > 0
uint32_t deltaTime = sync_timer_elapsed32(led_timer_buffer);
#endif // LED_DISABLE_TIMEOUT > 0
led_timer_buffer = sync_timer_read32();
// Update double buffer timers
#if LED_DISABLE_TIMEOUT > 0
if (led_anykey_timer < UINT32_MAX) {
if (UINT32_MAX - deltaTime < led_anykey_timer) {
led_anykey_timer = UINT32_MAX;
} else {
led_anykey_timer += deltaTime;
}
}
#endif // LED_DISABLE_TIMEOUT > 0
}
static void led_task_sync(void) {
// next task
if (sync_timer_elapsed32(g_led_timer) >= LED_MATRIX_LED_FLUSH_LIMIT) led_task_state = STARTING;
}
static void led_task_start(void) {
// reset iter
led_effect_params.iter = 0;
// update double buffers
g_led_timer = led_timer_buffer;
// next task
led_task_state = RENDERING;
}
static void led_task_render(uint8_t effect) {
bool rendering = false;
led_effect_params.init = (effect != led_last_effect) || (led_matrix_eeconfig.enable != led_last_enable);
if (led_effect_params.flags != led_matrix_eeconfig.flags) {
led_effect_params.flags = led_matrix_eeconfig.flags;
led_matrix_set_value_all(0);
}
// each effect can opt to do calculations
// and/or request PWM buffer updates.
switch (effect) {
case LED_MATRIX_NONE:
rendering = led_matrix_none(&led_effect_params);
case LED_MATRIX_UNIFORM_BRIGHTNESS:
rendering = led_matrix_uniform_brightness(&led_effect_params);
break;
}
led_effect_params.iter++;
// next task
if (!rendering) {
led_task_state = FLUSHING;
if (!led_effect_params.init && effect == LED_MATRIX_NONE) {
// We only need to flush once if we are LED_MATRIX_NONE
led_task_state = SYNCING;
}
}
}
static void led_task_flush(uint8_t effect) {
// update last trackers after the first full render so we can init over several frames
led_last_effect = effect;
led_last_enable = led_matrix_eeconfig.enable;
// update pwm buffers
led_matrix_update_pwm_buffers();
// next task
led_task_state = SYNCING;
}
void led_matrix_task(void) {
led_task_timers();
// Ideally we would also stop sending zeros to the LED driver PWM buffers
// while suspended and just do a software shutdown. This is a cheap hack for now.
bool suspend_backlight =
#if LED_DISABLE_WHEN_USB_SUSPENDED == true
g_suspend_state ||
#endif // LED_DISABLE_WHEN_USB_SUSPENDED == true
#if LED_DISABLE_TIMEOUT > 0
(led_anykey_timer > (uint32_t)LED_DISABLE_TIMEOUT) ||
#endif // LED_DISABLE_TIMEOUT > 0
false;
uint8_t effect = suspend_backlight || !led_matrix_eeconfig.enable ? 0 : led_matrix_eeconfig.mode;
switch (led_task_state) {
case STARTING:
led_task_start();
break;
case RENDERING:
led_task_render(effect);
if (effect) {
led_matrix_indicators();
}
break;
case FLUSHING:
led_task_flush(effect);
break;
case SYNCING:
led_task_sync();
break;
}
}
void led_matrix_indicators(void) {
led_matrix_indicators_kb();
led_matrix_indicators_user();
}
__attribute__((weak)) void led_matrix_indicators_kb(void) {}
__attribute__((weak)) void led_matrix_indicators_user(void) {}
void led_matrix_init(void) {
led_matrix_driver.init();
if (!eeconfig_is_enabled()) {
dprintf("led_matrix_init_drivers eeconfig is not enabled.\n");
eeconfig_init();
eeconfig_update_led_matrix_default();
}
eeconfig_read_led_matrix();
if (!led_matrix_eeconfig.mode) {
dprintf("led_matrix_init_drivers led_matrix_eeconfig.mode = 0. Write default values to EEPROM.\n");
eeconfig_update_led_matrix_default();
}
eeconfig_debug_led_matrix(); // display current eeprom values
}
void led_matrix_set_suspend_state(bool state) {
if (LED_DISABLE_WHEN_USB_SUSPENDED && state) {
led_matrix_set_value_all(0); // turn off all LEDs when suspending
}
g_suspend_state = state;
}
bool led_matrix_get_suspend_state(void) { return g_suspend_state; }
void led_matrix_toggle_eeprom_helper(bool write_to_eeprom) {
led_matrix_eeconfig.enable ^= 1;
led_task_state = STARTING;
if (write_to_eeprom) {
eeconfig_update_led_matrix();
}
dprintf("led matrix toggle [%s]: led_matrix_eeconfig.enable = %u\n", (write_to_eeprom) ? "EEPROM" : "NOEEPROM", led_matrix_eeconfig.enable);
}
void led_matrix_toggle_noeeprom(void) { led_matrix_toggle_eeprom_helper(false); }
void led_matrix_toggle(void) { led_matrix_toggle_eeprom_helper(true); }
void led_matrix_enable(void) {
led_matrix_enable_noeeprom();
eeconfig_update_led_matrix();
}
void led_matrix_enable_noeeprom(void) {
if (!led_matrix_eeconfig.enable) led_task_state = STARTING;
led_matrix_eeconfig.enable = 1;
}
void led_matrix_disable(void) {
led_matrix_disable_noeeprom();
eeconfig_update_led_matrix();
}
void led_matrix_disable_noeeprom(void) {
if (led_matrix_eeconfig.enable) led_task_state = STARTING;
led_matrix_eeconfig.enable = 0;
}
uint8_t led_matrix_is_enabled(void) { return led_matrix_eeconfig.enable; }
void led_matrix_mode_eeprom_helper(uint8_t mode, bool write_to_eeprom) {
if (!led_matrix_eeconfig.enable) {
return;
}
if (mode < 1) {
led_matrix_eeconfig.mode = 1;
} else if (mode >= LED_MATRIX_EFFECT_MAX) {
led_matrix_eeconfig.mode = LED_MATRIX_EFFECT_MAX - 1;
} else {
led_matrix_eeconfig.mode = mode;
}
led_task_state = STARTING;
if (write_to_eeprom) {
eeconfig_update_led_matrix();
}
dprintf("led matrix mode [%s]: %u\n", (write_to_eeprom) ? "EEPROM" : "NOEEPROM", led_matrix_eeconfig.mode);
}
void led_matrix_mode_noeeprom(uint8_t mode) { led_matrix_mode_eeprom_helper(mode, false); }
void led_matrix_mode(uint8_t mode) { led_matrix_mode_eeprom_helper(mode, true); }
uint8_t led_matrix_get_mode(void) { return led_matrix_eeconfig.mode; }
void led_matrix_step_helper(bool write_to_eeprom) {
uint8_t mode = led_matrix_eeconfig.mode + 1;
led_matrix_mode_eeprom_helper((mode < LED_MATRIX_EFFECT_MAX) ? mode : 1, write_to_eeprom);
}
void led_matrix_step_noeeprom(void) { led_matrix_step_helper(false); }
void led_matrix_step(void) { led_matrix_step_helper(true); }
void led_matrix_step_reverse_helper(bool write_to_eeprom) {
uint8_t mode = led_matrix_eeconfig.mode - 1;
led_matrix_mode_eeprom_helper((mode < 1) ? LED_MATRIX_EFFECT_MAX - 1 : mode, write_to_eeprom);
}
void led_matrix_step_reverse_noeeprom(void) { led_matrix_step_reverse_helper(false); }
void led_matrix_step_reverse(void) { led_matrix_step_reverse_helper(true); }
void led_matrix_set_val_eeprom_helper(uint8_t val, bool write_to_eeprom) {
if (!led_matrix_eeconfig.enable) {
return;
}
led_matrix_eeconfig.val = (val > LED_MATRIX_MAXIMUM_BRIGHTNESS) ? LED_MATRIX_MAXIMUM_BRIGHTNESS : val;
if (write_to_eeprom) {
eeconfig_update_led_matrix();
}
dprintf("led matrix set val [%s]: %u\n", (write_to_eeprom) ? "EEPROM" : "NOEEPROM", led_matrix_eeconfig.val);
}
void led_matrix_set_val_noeeprom(uint8_t val) { led_matrix_set_val_eeprom_helper(val, false); }
void led_matrix_set_val(uint8_t val) { led_matrix_set_val_eeprom_helper(val, true); }
uint8_t led_matrix_get_val(void) { return led_matrix_eeconfig.val; }
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); }
void led_matrix_increase_val_noeeprom(void) { led_matrix_increase_val_helper(false); }
void led_matrix_increase_val(void) { led_matrix_increase_val_helper(true); }
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); }
void led_matrix_decrease_val_noeeprom(void) { led_matrix_decrease_val_helper(false); }
void led_matrix_decrease_val(void) { led_matrix_decrease_val_helper(true); }
void led_matrix_set_speed_eeprom_helper(uint8_t speed, bool write_to_eeprom) {
led_matrix_eeconfig.speed = speed;
if (write_to_eeprom) {
eeconfig_update_led_matrix();
}
dprintf("led matrix set speed [%s]: %u\n", (write_to_eeprom) ? "EEPROM" : "NOEEPROM", led_matrix_eeconfig.speed);
}
void led_matrix_set_speed_noeeprom(uint8_t speed) { led_matrix_set_speed_eeprom_helper(speed, false); }
void led_matrix_set_speed(uint8_t speed) { led_matrix_set_speed_eeprom_helper(speed, true); }
uint8_t led_matrix_get_speed(void) { return led_matrix_eeconfig.speed; }
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); }
void led_matrix_increase_speed_noeeprom(void) { led_matrix_increase_speed_helper(false); }
void led_matrix_increase_speed(void) { led_matrix_increase_speed_helper(true); }
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); }
void led_matrix_decrease_speed_noeeprom(void) { led_matrix_decrease_speed_helper(false); }
void led_matrix_decrease_speed(void) { led_matrix_decrease_speed_helper(true); }
led_flags_t led_matrix_get_flags(void) { return led_matrix_eeconfig.flags; }
void led_matrix_set_flags(led_flags_t flags) { led_matrix_eeconfig.flags = flags; }