From 2d26f51d560d3c5e318606a2098a1a11ba898148 Mon Sep 17 00:00:00 2001
From: Harrison <53527582+HTV04@users.noreply.github.com>
Date: Thu, 25 Feb 2021 22:35:26 -0500
Subject: [PATCH] Changed backlightRange to maxBacklight

See updated README for more details.
---
 README.md                    | 11 +++++-----
 include/arm11/fmt.h          |  2 +-
 source/arm11/fmt.c           |  2 +-
 source/arm11/open_agb_firm.c | 41 +++++++++++++++++++-----------------
 4 files changed, 29 insertions(+), 27 deletions(-)

diff --git a/README.md b/README.md
index f116f51..47737a2 100644
--- a/README.md
+++ b/README.md
@@ -54,12 +54,11 @@ Video-related settings.
 ### Advanced
 Options for advanced users. No pun intended. **If you don't know what you're doing, leave these options on the default settings.**
 
-`u8 backlightRange` - Backlight range preset (default: `0`, max: `2`)
-* `0`: Recommended (`20`-`64`)
-* `1`: Old 3DS (`20`-`117`)
-* `2`: New 3DS (`16`-`142`)*
-
-*Please do not use the New 3DS range on an Old 3DS.
+`bool maxBacklight` - Extend backlight limit (default: `false`)
+* `false`: `20`-`64`
+* `true`:
+  * Old 3DS: `20`-`117`
+  * New 3DS: `16`-`142`
 
 ## Compiling
 If you're using Windows 10, install and perform the following steps using [WSL 2](https://docs.microsoft.com/en-us/windows/wsl/install-win10).
diff --git a/include/arm11/fmt.h b/include/arm11/fmt.h
index 6d2783f..274b508 100644
--- a/include/arm11/fmt.h
+++ b/include/arm11/fmt.h
@@ -2,7 +2,7 @@
 
 /*
 *   This file is part of Luma3DS
-*   Copyright (C) 2016-2017 Aurora Wright, TuxSH
+*   Copyright (C) 2016-2020 Aurora Wright, TuxSH
 *
 *   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
diff --git a/source/arm11/fmt.c b/source/arm11/fmt.c
index 89886fb..e1cbafe 100644
--- a/source/arm11/fmt.c
+++ b/source/arm11/fmt.c
@@ -1,6 +1,6 @@
 /*
 *   This file is part of Luma3DS
-*   Copyright (C) 2016-2017 Aurora Wright, TuxSH
+*   Copyright (C) 2016-2020 Aurora Wright, TuxSH
 *
 *   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
diff --git a/source/arm11/open_agb_firm.c b/source/arm11/open_agb_firm.c
index d36c4b4..829513a 100644
--- a/source/arm11/open_agb_firm.c
+++ b/source/arm11/open_agb_firm.c
@@ -52,7 +52,7 @@
                            "contrast=1.0\n"     \
                            "brightness=0.0\n\n" \
                            "[advanced]\n"       \
-                           "backlightRange=0\n" \
+                           "maxBacklight=false\n" \
 
 
 typedef struct
@@ -69,7 +69,7 @@ typedef struct
 	float brightness;
 
 	// [advanced]
-	u8 backlightRange;
+	bool maxBacklight;
 } OafConfig;
 
 typedef struct
@@ -97,7 +97,7 @@ static OafConfig g_oafConfig =
 	1.54f,
 	1.f,
 	0.f,
-	0
+	false
 };
 static KHandle g_frameReadyEvent = 0;
 
@@ -534,8 +534,8 @@ static int confIniHandler(void* user, const char* section, const char* name, con
 	}*/
 	else if(strcmp(section, "advanced") == 0)
 	{
-		if(strcmp(name, "backlightRange") == 0)
-			config->backlightRange = (u8)strtoul(value, NULL, 10);
+		if(strcmp(name, "maxBacklight") == 0)
+			config->maxBacklight = (strcmp(value, "true") == 0 ? true : false);
 	}
 	else return 0; // Error.
 
@@ -606,23 +606,26 @@ static Result handleFsStuff(char romAndSavePath[512])
 			// Parse config.
 			parseConfig("config.ini", /* 0, */ &g_oafConfig);
 			{ // TODO: Move this elsewhere?
-				const u8 backlightRange = g_oafConfig.backlightRange;
+				const bool maxBacklight = g_oafConfig.maxBacklight;
 				u8 backlightMax;
 				u8 backlightMin;
-				switch(backlightRange)
+				if(maxBacklight)
 				{
-					case 1:
-						backlightMax = 117;
-						backlightMin = 20;
-						break;
-					case 2:
-						backlightMax = 142;
-						backlightMin = 16;
-						break;
-					default:
-						backlightMax = 64;
-						backlightMin = 20;
-						break;
+					if(MCU_getSystemModel() >= 4)
+					{
+						backlightMax=142;
+						backlightMin=16;
+					}
+					else
+					{
+						backlightMax=117;
+						backlightMin=20;
+					}
+				}
+				else
+				{
+					backlightMax=64;
+					backlightMin=20;
 				}
 
 				const u8 backlight = g_oafConfig.backlight;