mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-10 14:11:43 +00:00
82 lines
No EOL
1.8 KiB
C
82 lines
No EOL
1.8 KiB
C
/*
|
|
* Copyright (c) 2018 naehrwert
|
|
* Copyright (c) 2018 CTCaer
|
|
* Copyright (c) 2018 Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope 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 <stdint.h>
|
|
|
|
#include "btn.h"
|
|
#include "i2c.h"
|
|
#include "gpio.h"
|
|
#include "timers.h"
|
|
|
|
uint32_t btn_read()
|
|
{
|
|
uint32_t res = 0;
|
|
|
|
if (!gpio_read(GPIO_BUTTON_VOL_DOWN))
|
|
res |= BTN_VOL_DOWN;
|
|
|
|
if (!gpio_read(GPIO_BUTTON_VOL_UP))
|
|
res |= BTN_VOL_UP;
|
|
|
|
uint32_t val = 0;
|
|
if (i2c_query(I2C_5, MAX77620_PWR_I2C_ADDR, 0x15, &val, 1))
|
|
{
|
|
if (val & 0x4)
|
|
res |= BTN_POWER;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
uint32_t btn_wait()
|
|
{
|
|
uint32_t res = 0, btn = btn_read();
|
|
int pwr = 0;
|
|
|
|
if (btn & BTN_POWER)
|
|
{
|
|
pwr = 1;
|
|
btn &= ~BTN_POWER;
|
|
}
|
|
|
|
do
|
|
{
|
|
res = btn_read();
|
|
|
|
if (!(res & BTN_POWER) && pwr)
|
|
pwr = 0;
|
|
else if (pwr)
|
|
res &= ~BTN_POWER;
|
|
} while (btn == res);
|
|
|
|
return res;
|
|
}
|
|
|
|
uint32_t btn_wait_timeout(uint32_t time_ms, uint32_t mask)
|
|
{
|
|
uint32_t timeout = get_time_ms() + time_ms;
|
|
uint32_t res = btn_read() & mask;
|
|
|
|
do
|
|
{
|
|
if (!(res & mask))
|
|
res = btn_read() & mask;
|
|
} while (get_time_ms() < timeout);
|
|
|
|
return res;
|
|
} |