mirror of
https://github.com/CTCaer/hekate.git
synced 2024-11-26 11:42:09 +00:00
42 lines
1 KiB
C
Executable file
42 lines
1 KiB
C
Executable file
/*
|
|
* Copyright (c) 2018 naehrwert
|
|
*
|
|
* 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 "i2c.h"
|
|
#include "gpio.h"
|
|
#include "t210.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, 0x3C, 0x15) & 0x4)
|
|
res |= BTN_POWER;
|
|
return res;
|
|
}
|
|
|
|
u32 btn_wait()
|
|
{
|
|
u32 res = 0, btn = btn_read();
|
|
do
|
|
{
|
|
res = btn_read();
|
|
} while (btn == res);
|
|
return res;
|
|
}
|