M7350/bootable/bootloader/lk/dev/vib/vibrator.c
2024-09-09 08:57:42 +00:00

82 lines
2.6 KiB
C

/* Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include <kernel/timer.h>
#include <kernel/thread.h>
#include <pm_vib.h>
#include <vibrator.h>
#define CHECK_VIB_TIMER_FREQUENCY 50
static struct timer vib_timer;
static uint32_t vib_timeout;
/* Function to turn on vibrator */
void vib_turn_on()
{
pm_vib_turn_on();
}
/* Function to turn off vibrator */
void vib_turn_off()
{
pm_vib_turn_off();
}
/* Function to turn off vibrator when the vib_timer is expired. */
static enum handler_return vib_timer_func(struct timer *v_timer, time_t t, void *arg)
{
timer_cancel(&vib_timer);
vib_turn_off();
vib_timeout=1;
return INT_RESCHEDULE;
}
/*
* Function to turn on vibrator.
* vibrate_time - the time of phone vibrate.
*/
void vib_timed_turn_on(const uint32_t vibrate_time)
{
vib_turn_on();
vib_timeout=0;
timer_initialize(&vib_timer);
timer_set_oneshot(&vib_timer, vibrate_time, vib_timer_func, NULL);
}
/* Wait for vibrator timer expired */
void wait_vib_timeout(void)
{
while (!vib_timeout) {
/* every 50ms to check if the vibrator timer is timeout*/
thread_sleep(CHECK_VIB_TIMER_FREQUENCY);
}
}