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/* Copyright 2018 mtdjr - modified by ishtob
* Driver for solenoid 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 "timer.h"
#include "solenoid.h"
#include "haptic.h"
#include "gpio.h"
#include "usb_device_state.h"
bool solenoid_on = false;
bool solenoid_buzzing = false;
uint16_t solenoid_start = 0;
uint8_t solenoid_dwell = SOLENOID_DEFAULT_DWELL;
extern haptic_config_t haptic_config;
void solenoid_buzz_on(void) {
haptic_set_buzz(1);
}
void solenoid_buzz_off(void) {
haptic_set_buzz(0);
}
void solenoid_set_buzz(int buzz) {
haptic_set_buzz(buzz);
}
void solenoid_set_dwell(uint8_t dwell) {
solenoid_dwell = dwell;
}
void solenoid_stop(void) {
SOLENOID_PIN_WRITE_INACTIVE();
solenoid_on = false;
solenoid_buzzing = false;
}
void solenoid_fire(void) {
if (!haptic_config.buzz && solenoid_on) return;
if (haptic_config.buzz && solenoid_buzzing) return;
solenoid_on = true;
solenoid_buzzing = true;
solenoid_start = timer_read();
SOLENOID_PIN_WRITE_ACTIVE();
}
void solenoid_check(void) {
uint16_t elapsed = 0;
if (!solenoid_on) return;
elapsed = timer_elapsed(solenoid_start);
// Check if it's time to finish this solenoid click cycle
if (elapsed > solenoid_dwell) {
solenoid_stop();
return;
}
// Check whether to buzz the solenoid on and off
if (haptic_config.buzz) {
if ((elapsed % (SOLENOID_BUZZ_ACTUATED + SOLENOID_BUZZ_NONACTUATED)) < SOLENOID_BUZZ_ACTUATED) {
if (!solenoid_buzzing) {
solenoid_buzzing = true;
SOLENOID_PIN_WRITE_ACTIVE();
}
} else {
if (solenoid_buzzing) {
solenoid_buzzing = false;
SOLENOID_PIN_WRITE_INACTIVE();
}
}
}
}
void solenoid_setup(void) {
SOLENOID_PIN_WRITE_INACTIVE();
setPinOutput(SOLENOID_PIN);
if ((!HAPTIC_OFF_IN_LOW_POWER) || (usb_device_state == USB_DEVICE_STATE_CONFIGURED)) {
solenoid_fire();
}
}
void solenoid_shutdown(void) {
SOLENOID_PIN_WRITE_INACTIVE();
}
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