kopia lustrzana https://github.com/OpenRTX/OpenRTX
105 wiersze
3.6 KiB
C
105 wiersze
3.6 KiB
C
/***************************************************************************
|
|
* Copyright (C) 2024 by Federico Amedeo Izzo IU2NUO, *
|
|
* Niccolò Izzo IU2KIN *
|
|
* Frederik Saraci IU2NRO *
|
|
* Silvano Seva IU2KWO *
|
|
* Dual Tachyon *
|
|
* *
|
|
* This program is free software; you can redistribute it and/or modify *
|
|
* it under the terms of the GNU General Public License as published by *
|
|
* the Free Software Foundation; either version 3 of the License, or *
|
|
* (at your option) any later version. *
|
|
* *
|
|
* This program is distributed in the hope that 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 <peripherals/gpio.h>
|
|
#include <interfaces/delays.h>
|
|
#include <interfaces/keyboard.h>
|
|
#include "hwconfig.h"
|
|
|
|
|
|
void kbd_init()
|
|
{
|
|
/* Set the two column lines as outputs */
|
|
gpio_setMode(KBD_COL0, OUTPUT);
|
|
gpio_setMode(KBD_COL1, OUTPUT);
|
|
gpio_setMode(KBD_COL2, OUTPUT);
|
|
gpio_setMode(KBD_COL3, OUTPUT);
|
|
|
|
gpio_setMode(KBD_ROW0, INPUT_PULL_UP);
|
|
gpio_setMode(KBD_ROW1, INPUT_PULL_UP);
|
|
gpio_setMode(KBD_ROW2, INPUT_PULL_UP);
|
|
gpio_setMode(KBD_ROW3, INPUT_PULL_UP);
|
|
gpio_setMode(SKB_1, INPUT_PULL_UP);
|
|
|
|
gpio_setPin(KBD_COL0);
|
|
gpio_setPin(KBD_COL1);
|
|
gpio_setPin(KBD_COL2);
|
|
gpio_setPin(KBD_COL3);
|
|
}
|
|
|
|
void kbd_terminate()
|
|
{
|
|
/* Back to default state */
|
|
gpio_clearPin(KBD_COL0);
|
|
gpio_clearPin(KBD_COL1);
|
|
gpio_clearPin(KBD_COL2);
|
|
gpio_clearPin(KBD_COL3);
|
|
gpio_setMode(KBD_COL0, INPUT);
|
|
gpio_setMode(KBD_COL1, INPUT);
|
|
gpio_setMode(KBD_COL2, INPUT);
|
|
gpio_setMode(KBD_COL3, INPUT);
|
|
}
|
|
|
|
keyboard_t kbd_getKeys()
|
|
{
|
|
keyboard_t keys = 0;
|
|
|
|
if(!gpio_readPin(SKB_1)) keys |= KEY_MONI;
|
|
|
|
gpio_setPin(KBD_COL3);
|
|
gpio_clearPin(KBD_COL0);
|
|
|
|
delayUs(10);
|
|
if(!gpio_readPin(KBD_ROW0)) keys |= KEY_ENTER;
|
|
if(!gpio_readPin(KBD_ROW1)) keys |= KEY_UP;
|
|
if(!gpio_readPin(KBD_ROW2)) keys |= KEY_DOWN;
|
|
if(!gpio_readPin(KBD_ROW3)) keys |= KEY_ESC;
|
|
|
|
gpio_clearPin(KBD_COL1);
|
|
gpio_setPin(KBD_COL0);
|
|
|
|
delayUs(10);
|
|
if(!gpio_readPin(KBD_ROW0)) keys |= KEY_1;
|
|
if(!gpio_readPin(KBD_ROW1)) keys |= KEY_2;
|
|
if(!gpio_readPin(KBD_ROW2)) keys |= KEY_3;
|
|
if(!gpio_readPin(KBD_ROW3)) keys |= KEY_STAR;
|
|
|
|
gpio_clearPin(KBD_COL2);
|
|
gpio_setPin(KBD_COL1);
|
|
|
|
delayUs(10);
|
|
if(!gpio_readPin(KBD_ROW0)) keys |= KEY_4;
|
|
if(!gpio_readPin(KBD_ROW1)) keys |= KEY_5;
|
|
if(!gpio_readPin(KBD_ROW2)) keys |= KEY_6;
|
|
if(!gpio_readPin(KBD_ROW3)) keys |= KEY_0;
|
|
|
|
gpio_clearPin(KBD_COL3);
|
|
gpio_setPin(KBD_COL2);
|
|
|
|
delayUs(10);
|
|
if(!gpio_readPin(KBD_ROW0)) keys |= KEY_7;
|
|
if(!gpio_readPin(KBD_ROW1)) keys |= KEY_8;
|
|
if(!gpio_readPin(KBD_ROW2)) keys |= KEY_9;
|
|
if(!gpio_readPin(KBD_ROW3)) keys |= KEY_HASH;
|
|
|
|
return keys;
|
|
}
|