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haptic.c
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haptic.c
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/* Copyright 2019 ishtob
* Driver for haptic feedback written for QMK
*
* 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 "haptic.h"
#include "eeconfig.h"
#include "debug.h"
#include "usb_device_state.h"
#include "gpio.h"
#include "keyboard.h"
#ifdef HAPTIC_DRV2605L
# include "drv2605l.h"
#endif
#ifdef HAPTIC_SOLENOID
# include "solenoid.h"
#endif
#if defined(SPLIT_KEYBOARD) && defined(SPLIT_HAPTIC_ENABLE)
extern uint8_t split_haptic_play;
#endif
haptic_config_t haptic_config;
static void update_haptic_enable_gpios(void) {
if (haptic_config.enable && ((!HAPTIC_OFF_IN_LOW_POWER) || (usb_device_state_get_configure_state() == USB_DEVICE_STATE_CONFIGURED))) {
#if defined(HAPTIC_ENABLE_PIN)
HAPTIC_ENABLE_PIN_WRITE_ACTIVE();
#endif
#if defined(HAPTIC_ENABLE_STATUS_LED)
HAPTIC_ENABLE_STATUS_LED_WRITE_ACTIVE();
#endif
} else {
#if defined(HAPTIC_ENABLE_PIN)
HAPTIC_ENABLE_PIN_WRITE_INACTIVE();
#endif
#if defined(HAPTIC_ENABLE_STATUS_LED)
HAPTIC_ENABLE_STATUS_LED_WRITE_INACTIVE();
#endif
}
}
static void set_haptic_config_enable(bool enabled) {
haptic_config.enable = enabled;
update_haptic_enable_gpios();
}
void haptic_init(void) {
// only initialize on secondary boards if the user desires
#if defined(SPLIT_KEYBOARD) && !defined(SPLIT_HAPTIC_ENABLE)
if (!is_keyboard_master()) return;
#endif
if (!eeconfig_is_enabled()) {
eeconfig_init();
}
haptic_config.raw = eeconfig_read_haptic();
#ifdef HAPTIC_SOLENOID
solenoid_set_dwell(haptic_config.dwell);
#endif
if ((haptic_config.raw == 0)
#ifdef HAPTIC_SOLENOID
|| (haptic_config.dwell == 0)
#endif
) {
// this will be called, if the eeprom is not corrupt,
// but the previous firmware didn't have haptic enabled,
// or the previous firmware didn't have solenoid enabled,
// and the current one has solenoid enabled.
haptic_reset();
} else {
// Haptic configuration has been loaded through the "raw" union item.
// This is to execute any side effects of the configuration.
set_haptic_config_enable(haptic_config.enable);
}
#ifdef HAPTIC_SOLENOID
solenoid_setup();
dprintf("Solenoid driver initialized\n");
#endif
#ifdef HAPTIC_DRV2605L
drv2605l_init();
dprintf("DRV2605 driver initialized\n");
#endif
eeconfig_debug_haptic();
#ifdef HAPTIC_ENABLE_PIN
gpio_set_pin_output(HAPTIC_ENABLE_PIN);
#endif
#ifdef HAPTIC_ENABLE_STATUS_LED
gpio_set_pin_output(HAPTIC_ENABLE_STATUS_LED);
#endif
}
void haptic_task(void) {
#ifdef HAPTIC_SOLENOID
// Only run task on seconary boards if the user desires
# if defined(SPLIT_KEYBOARD) && !defined(SPLIT_HAPTIC_ENABLE)
if (!is_keyboard_master()) return;
# endif
solenoid_check();
#endif // HAPTIC_SOLENOID
}
void eeconfig_debug_haptic(void) {
dprintf("haptic_config eeprom\n");
dprintf("haptic_config.enable = %d\n", haptic_config.enable);
dprintf("haptic_config.mode = %d\n", haptic_config.mode);
}
void haptic_enable(void) {
set_haptic_config_enable(true);
dprintf("haptic_config.enable = %u\n", haptic_config.enable);
eeconfig_update_haptic(haptic_config.raw);
}
void haptic_disable(void) {
set_haptic_config_enable(false);
dprintf("haptic_config.enable = %u\n", haptic_config.enable);
eeconfig_update_haptic(haptic_config.raw);
}
void haptic_toggle(void) {
if (haptic_config.enable) {
haptic_disable();
} else {
haptic_enable();
}
eeconfig_update_haptic(haptic_config.raw);
}
void haptic_feedback_toggle(void) {
haptic_config.feedback++;
if (haptic_config.feedback >= HAPTIC_FEEDBACK_MAX) haptic_config.feedback = KEY_PRESS;
dprintf("haptic_config.feedback = %u\n", !haptic_config.feedback);
eeconfig_update_haptic(haptic_config.raw);
}
void haptic_buzz_toggle(void) {
bool buzz_stat = !haptic_config.buzz;
haptic_config.buzz = buzz_stat;
haptic_set_buzz(buzz_stat);
}
void haptic_mode_increase(void) {
uint8_t mode = haptic_config.mode + 1;
#ifdef HAPTIC_DRV2605L
if (haptic_config.mode >= DRV2605L_EFFECT_COUNT) {
mode = 1;
}
#endif
haptic_set_mode(mode);
}
void haptic_mode_decrease(void) {
uint8_t mode = haptic_config.mode - 1;
#ifdef HAPTIC_DRV2605L
if (haptic_config.mode < 1) {
mode = (DRV2605L_EFFECT_COUNT - 1);
}
#endif
haptic_set_mode(mode);
}
void haptic_dwell_increase(void) {
#ifdef HAPTIC_SOLENOID
int16_t next_dwell = ((int16_t)haptic_config.dwell) + SOLENOID_DWELL_STEP_SIZE;
if (haptic_config.dwell >= SOLENOID_MAX_DWELL) {
// if it's already at max, we wrap back to min
next_dwell = SOLENOID_MIN_DWELL;
} else if (next_dwell > SOLENOID_MAX_DWELL) {
// if we overshoot the max, then cap at max
next_dwell = SOLENOID_MAX_DWELL;
}
solenoid_set_dwell(next_dwell);
#else
int16_t next_dwell = ((int16_t)haptic_config.dwell) + 1;
#endif
haptic_set_dwell(next_dwell);
}
void haptic_dwell_decrease(void) {
#ifdef HAPTIC_SOLENOID
int16_t next_dwell = ((int16_t)haptic_config.dwell) - SOLENOID_DWELL_STEP_SIZE;
if (haptic_config.dwell <= SOLENOID_MIN_DWELL) {
// if it's already at min, we wrap to max
next_dwell = SOLENOID_MAX_DWELL;
} else if (next_dwell < SOLENOID_MIN_DWELL) {
// if we go below min, then we cap to min
next_dwell = SOLENOID_MIN_DWELL;
}
solenoid_set_dwell(next_dwell);
#else
int16_t next_dwell = ((int16_t)haptic_config.dwell) - 1;
#endif
haptic_set_dwell(next_dwell);
}
void haptic_reset(void) {
set_haptic_config_enable(true);
uint8_t feedback = HAPTIC_DEFAULT_FEEDBACK;
haptic_config.feedback = feedback;
#ifdef HAPTIC_DRV2605L
uint8_t mode = HAPTIC_DEFAULT_MODE;
haptic_config.mode = mode;
#endif
#ifdef HAPTIC_SOLENOID
uint8_t dwell = SOLENOID_DEFAULT_DWELL;
haptic_config.dwell = dwell;
haptic_config.buzz = SOLENOID_DEFAULT_BUZZ;
solenoid_set_dwell(dwell);
#else
// This is to trigger haptic_reset again, if solenoid is enabled in the future.
haptic_config.dwell = 0;
haptic_config.buzz = 0;
#endif
eeconfig_update_haptic(haptic_config.raw);
dprintf("haptic_config.feedback = %u\n", haptic_config.feedback);
dprintf("haptic_config.mode = %u\n", haptic_config.mode);
}
void haptic_set_feedback(uint8_t feedback) {
haptic_config.feedback = feedback;
eeconfig_update_haptic(haptic_config.raw);
dprintf("haptic_config.feedback = %u\n", haptic_config.feedback);
}
void haptic_set_mode(uint8_t mode) {
haptic_config.mode = mode;
eeconfig_update_haptic(haptic_config.raw);
dprintf("haptic_config.mode = %u\n", haptic_config.mode);
}
void haptic_set_amplitude(uint8_t amp) {
haptic_config.amplitude = amp;
eeconfig_update_haptic(haptic_config.raw);
dprintf("haptic_config.amplitude = %u\n", haptic_config.amplitude);
#ifdef HAPTIC_DRV2605L
drv2605l_amplitude(amp);
#endif
}
void haptic_set_buzz(uint8_t buzz) {
haptic_config.buzz = buzz;
eeconfig_update_haptic(haptic_config.raw);
dprintf("haptic_config.buzz = %u\n", haptic_config.buzz);
}
void haptic_set_dwell(uint8_t dwell) {
haptic_config.dwell = dwell;
eeconfig_update_haptic(haptic_config.raw);
dprintf("haptic_config.dwell = %u\n", haptic_config.dwell);
}
uint8_t haptic_get_enable(void) {
return haptic_config.enable;
}
uint8_t haptic_get_mode(void) {
if (!haptic_config.enable) {
return false;
}
return haptic_config.mode;
}
uint8_t haptic_get_feedback(void) {
if (!haptic_config.enable) {
return false;
}
return haptic_config.feedback;
}
uint8_t haptic_get_dwell(void) {
if (!haptic_config.enable) {
return false;
}
return haptic_config.dwell;
}
void haptic_enable_continuous(void) {
haptic_config.cont = 1;
dprintf("haptic_config.cont = %u\n", haptic_config.cont);
eeconfig_update_haptic(haptic_config.raw);
#ifdef HAPTIC_DRV2605L
drv2605l_rtp_init();
#endif
}
void haptic_disable_continuous(void) {
haptic_config.cont = 0;
dprintf("haptic_config.cont = %u\n", haptic_config.cont);
eeconfig_update_haptic(haptic_config.raw);
#ifdef HAPTIC_DRV2605L
drv2605l_write(DRV2605L_REG_MODE, 0x00);
#endif
}
void haptic_toggle_continuous(void) {
if (haptic_config.cont) {
haptic_disable_continuous();
} else {
haptic_enable_continuous();
}
}
void haptic_cont_increase(void) {
uint8_t amp = haptic_config.amplitude + 10;
if (haptic_config.amplitude >= 120) {
amp = 120;
}
haptic_set_amplitude(amp);
}
void haptic_cont_decrease(void) {
uint8_t amp = haptic_config.amplitude - 10;
if (haptic_config.amplitude < 20) {
amp = 20;
}
haptic_set_amplitude(amp);
}
void haptic_play(void) {
#ifdef HAPTIC_DRV2605L
uint8_t play_eff = 0;
play_eff = haptic_config.mode;
drv2605l_pulse(play_eff);
# if defined(SPLIT_KEYBOARD) && defined(SPLIT_HAPTIC_ENABLE)
split_haptic_play = haptic_config.mode;
# endif
#endif
#ifdef HAPTIC_SOLENOID
solenoid_fire_handler();
# if defined(SPLIT_KEYBOARD) && defined(SPLIT_HAPTIC_ENABLE)
split_haptic_play = 1;
# endif
#endif
}
void haptic_shutdown(void) {
#ifdef HAPTIC_SOLENOID
solenoid_shutdown();
#endif
}
void haptic_notify_usb_device_state_change(void) {
update_haptic_enable_gpios();
#if defined(HAPTIC_ENABLE_PIN)
gpio_set_pin_output(HAPTIC_ENABLE_PIN);
#endif
#if defined(HAPTIC_ENABLE_STATUS_LED)
gpio_set_pin_output(HAPTIC_ENABLE_STATUS_LED);
#endif
}