mirror of
https://github.com/CTCaer/hekate.git
synced 2024-12-23 08:32:04 +00:00
74 lines
1.6 KiB
C
74 lines
1.6 KiB
C
/*
|
|
* Copyright (c) 2018 naehrwert
|
|
* Copyright (C) 2018 CTCaer
|
|
*
|
|
* 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 "btn.h"
|
|
#include "../soc/i2c.h"
|
|
#include "../soc/gpio.h"
|
|
#include "../soc/t210.h"
|
|
#include "util.h"
|
|
#include "../power/max77620.h"
|
|
|
|
u32 btn_read()
|
|
{
|
|
u32 res = 0;
|
|
if (!gpio_read(GPIO_PORT_X, GPIO_PIN_7))
|
|
res |= BTN_VOL_DOWN;
|
|
if (!gpio_read(GPIO_PORT_X, GPIO_PIN_6))
|
|
res |= BTN_VOL_UP;
|
|
if (i2c_recv_byte(4, MAX77620_I2C_ADDR, 0x15) & 0x4)
|
|
res |= BTN_POWER;
|
|
return res;
|
|
}
|
|
|
|
u32 btn_wait()
|
|
{
|
|
u32 res = 0, btn = btn_read();
|
|
bool pwr = false;
|
|
|
|
//Power button down, raise a filter.
|
|
if (btn & BTN_POWER)
|
|
{
|
|
pwr = true;
|
|
btn &= ~BTN_POWER;
|
|
}
|
|
|
|
do
|
|
{
|
|
res = btn_read();
|
|
//Power button up, remove filter.
|
|
if (!(res & BTN_POWER) && pwr)
|
|
pwr = false;
|
|
else if (pwr) //Power button still down.
|
|
res &= ~BTN_POWER;
|
|
} while (btn == res);
|
|
|
|
return res;
|
|
}
|
|
|
|
u32 btn_wait_timeout(u32 time_ms, u32 mask)
|
|
{
|
|
u32 timeout = get_tmr_ms() + time_ms;
|
|
u32 res = btn_read() & mask;
|
|
|
|
do
|
|
{
|
|
if (!(res & mask))
|
|
res = btn_read() & mask;
|
|
} while (get_tmr_ms() < timeout);
|
|
|
|
return res;
|
|
}
|