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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2025 by Aidan MacDonald
*
* 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 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "button.h"
#include "gpio-stm32h7.h"
void button_init_device(void)
{
}
int button_read_device(void)
{
int buttons = 0;
/* Most buttons are active low, so invert the read */
uint32_t ga = ~REG_GPIO_IDR(GPIO_A);
uint32_t gb = ~REG_GPIO_IDR(GPIO_B);
uint32_t gc = ~REG_GPIO_IDR(GPIO_C);
uint32_t gd = ~REG_GPIO_IDR(GPIO_D);
uint32_t gf = ~REG_GPIO_IDR(GPIO_F);
uint32_t gh = ~REG_GPIO_IDR(GPIO_H);
if (ga & BIT_N(GPION_PIN(GPIO_BUTTON_A)))
buttons |= BUTTON_A;
if (ga & BIT_N(GPION_PIN(GPIO_BUTTON_B)))
buttons |= BUTTON_B;
if (ga & BIT_N(GPION_PIN(GPIO_BUTTON_X)))
buttons |= BUTTON_X;
if (ga & BIT_N(GPION_PIN(GPIO_BUTTON_Y)))
buttons |= BUTTON_A;
if (!(gb & BIT_N(GPION_PIN(GPIO_BUTTON_SELECT))))
buttons |= BUTTON_SELECT;
if (gb & BIT_N(GPION_PIN(GPIO_BUTTON_UP)))
buttons |= BUTTON_UP;
if (gb & BIT_N(GPION_PIN(GPIO_BUTTON_VOL_DOWN)))
buttons |= BUTTON_UP;
if (gc & BIT_N(GPION_PIN(GPIO_BUTTON_RIGHT)))
buttons |= BUTTON_RIGHT;
if (gd & BIT_N(GPION_PIN(GPIO_BUTTON_START)))
buttons |= BUTTON_START;
if (gd & BIT_N(GPION_PIN(GPIO_BUTTON_DOWN)))
buttons |= BUTTON_DOWN;
if (gd & BIT_N(GPION_PIN(GPIO_BUTTON_LEFT)))
buttons |= BUTTON_LEFT;
if (!(gf & BIT_N(GPION_PIN(GPIO_BUTTON_POWER))))
buttons |= BUTTON_POWER;
if (gh & BIT_N(GPION_PIN(GPIO_BUTTON_VOL_UP)))
buttons |= BUTTON_VOL_UP;
if (gh & BIT_N(GPION_PIN(GPIO_BUTTON_HOLD)))
buttons |= BUTTON_HOLD;
return buttons;
}
bool headphones_inserted(void)
{
return true;
}
bool lineout_inserted(void)
{
return false;
}
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