mirror of
https://github.com/Decscots/Lockpick_RCM
synced 2024-11-15 06:06:34 +00:00
98 lines
2.1 KiB
C
98 lines
2.1 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"
|
|
|
|
u8 btn_read()
|
|
{
|
|
u8 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, MAX77620_REG_ONOFFSTAT) & 0x4)
|
|
res |= BTN_POWER;
|
|
return res;
|
|
}
|
|
|
|
u8 btn_read_vol()
|
|
{
|
|
u8 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;
|
|
return res;
|
|
}
|
|
|
|
u8 btn_wait()
|
|
{
|
|
u8 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;
|
|
}
|
|
|
|
u8 btn_wait_timeout(u32 time_ms, u8 mask)
|
|
{
|
|
u8 single_button = mask & BTN_SINGLE;
|
|
mask &= ~BTN_SINGLE;
|
|
|
|
u32 timeout = get_tmr_ms() + time_ms;
|
|
u8 res = btn_read();
|
|
|
|
while (get_tmr_ms() < timeout)
|
|
{
|
|
if ((res & mask) == mask)
|
|
{
|
|
if (single_button && (res & ~mask)) // Undesired button detected.
|
|
res = btn_read();
|
|
else
|
|
return (res & mask);
|
|
}
|
|
else
|
|
res = btn_read();
|
|
};
|
|
|
|
// Timed out.
|
|
if (!single_button || !time_ms)
|
|
return (res & mask);
|
|
else
|
|
return 0; // Return no button press if single button requested.
|
|
}
|