mirror of
https://github.com/Rockbox/rockbox.git
synced 2026-04-11 16:37:45 -04:00
a77c5d2219
- Move all devkitpro includes before the Rockbox ones so that the macros which are both conflicting and unused can be undef'd - Remove unused result variables - Exclude an unused function from being compiled for this target - Fix hex number formatting - Fix the return value of dummy functions - Fix macro redefinition in the plugins keypad config - Remove duplicate button mapping - Turn off -Wchar-subscripts as it's already handled in Rockbox's ctype.h Change-Id: I3f5a3d492c585f233277a380feaea5fe877a044f
117 lines
3.2 KiB
C
117 lines
3.2 KiB
C
/***************************************************************************
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* __________ __ ___
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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*
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* Copyright (C) 2025 Mauricio G.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <stdbool.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdio.h>
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#include <3ds/services/gsplcd.h>
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#include <3ds/result.h>
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#include "config.h"
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#include "backlight-target.h"
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#include "sysfs.h"
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#include "panic.h"
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#include "lcd.h"
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#include "debug.h"
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#include "luminance-ctru.h"
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/* TODO: To use calibrated values in rockbox,
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MIN_BRIGHTNESS_SETTING (etc) would need to be
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declared as constants in settings-list.c */
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u32 ctru_min_lum = 16;
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u32 ctru_max_lum = 142;
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u32 ctru_luminance = 28;
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/* FIXME: After calling gspLcdInit() the home menu will no longer be
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accesible, to fix this we have to call gspLcdInit/gspLcdExit as
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a mutex lock/unlock when using gsplcd.h functions. */
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void lcd_mutex_lock(void)
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{
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Result res = gspLcdInit();
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if (R_FAILED(res)) {
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DEBUGF("backlight_hw_init: gspLcdInit failed.\n");
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}
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}
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void lcd_mutex_unlock(void)
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{
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gspLcdExit();
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}
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bool backlight_hw_init(void)
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{
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/* read calibrated values */
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ctru_luminance = getCurrentLuminance(false);
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ctru_min_lum = getMinLuminancePreset();
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ctru_max_lum = getMaxLuminancePreset();
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backlight_hw_on();
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backlight_hw_brightness(DEFAULT_BRIGHTNESS_SETTING);
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return true;
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}
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static int last_bl = -1;
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void backlight_hw_on(void)
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{
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lcd_mutex_lock();
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if (last_bl != 1) {
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#ifdef HAVE_LCD_ENABLE
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lcd_enable(true);
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#endif
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GSPLCD_PowerOnAllBacklights();
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last_bl = 1;
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}
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lcd_mutex_unlock();
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}
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void backlight_hw_off(void)
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{
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lcd_mutex_lock();
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if (last_bl != 0) {
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/* power off both screens to save battery */
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GSPLCD_PowerOffBacklight(GSPLCD_SCREEN_BOTTOM);
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GSPLCD_PowerOffBacklight(GSPLCD_SCREEN_TOP);
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#ifdef HAVE_LCD_ENABLE
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lcd_enable(false);
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#endif
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last_bl = 0;
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}
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lcd_mutex_unlock();
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}
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void backlight_hw_brightness(int brightness)
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{
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/* cap range, just in case */
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if (brightness > MAX_BRIGHTNESS_SETTING)
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brightness = MAX_BRIGHTNESS_SETTING;
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if (brightness < MIN_BRIGHTNESS_SETTING)
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brightness = MIN_BRIGHTNESS_SETTING;
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/* normalize level on both screens */
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lcd_mutex_lock();
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GSPLCD_SetBrightnessRaw(GSPLCD_SCREEN_TOP | GSPLCD_SCREEN_BOTTOM, (u32) brightness);
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lcd_mutex_unlock();
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}
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