boot: refactor battery checking to use new powctl apis

2020-11-08 04:16:50 -08:00
parent cd7d7894f1
commit e93c3cbf58
44 changed files with 1426 additions and 1554 deletions
--- a/libraries/libstratosphere/include/stratosphere/powctl/impl/powctl_battery_charge_percentage.hpp
+++ b/libraries/libstratosphere/include/stratosphere/powctl/impl/powctl_battery_charge_percentage.hpp
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * 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/>.
+ */
+#pragma once
+#include <vapours.hpp>
+#include <stratosphere/powctl/powctl_types.hpp>
+
+namespace ams::powctl::impl {
+
+    constexpr inline const double MinRawDefaultPercentage = 3.0;
+    constexpr inline const double MaxRawDefaultPercentage = 99.0;
+
+    constexpr inline const double MinRawThresholdPercentage = 11.0;
+
+    constexpr inline const int MinDisplayPercentage = 1;
+    constexpr inline const int MaxDisplayPercentage = 100;
+
+    constexpr inline void CalculateMarginatedRawPercentage(double *out_marginated_min, double *out_marginated_max, double min, double max) {
+        /* Ensure minimum is in correct range. */
+        min = std::max(std::min(min, MinRawThresholdPercentage), MinRawDefaultPercentage);
+
+        /* Calculate the marginated values. */
+        constexpr const double MinMarginPercentage = 0.93359375;
+        constexpr const double MaxMarginPercentage = -0.83593750;
+
+        const auto margin_factor = (max - min) / (MaxRawDefaultPercentage - MinRawDefaultPercentage);
+        *out_marginated_min = min + MinMarginPercentage * margin_factor;
+        *out_marginated_max = max + MaxMarginPercentage * margin_factor;
+    }
+
+    constexpr inline int GetDisplayPercentage(double raw_percentage, double min, double max) {
+        /* Calculate the display percentage. */
+        constexpr const double BaseDisplayPercentage = 2.0;
+        const auto display_percentage = BaseDisplayPercentage + ((static_cast<double>(MaxDisplayPercentage - MinDisplayPercentage) * (raw_percentage - min)) / (max - min));
+
+        /* Clamp the display percentage within bounds. */
+        return std::max(std::min(static_cast<int>(display_percentage), MaxDisplayPercentage), MinDisplayPercentage);
+    }
+
+    constexpr inline int ConvertBatteryChargePercentage(double raw_percentage, double min, double max) {
+        /* Marginate the min/max. */
+        double marginated_min = 0.0, marginated_max = 0.0;
+        CalculateMarginatedRawPercentage(std::addressof(marginated_min), std::addressof(marginated_max), min, max);
+
+        /* Convert to display percentage. */
+        return GetDisplayPercentage(raw_percentage, marginated_min, marginated_max);
+    }
+
+    constexpr inline int ConvertBatteryChargePercentage(double raw_percentage) {
+        return ConvertBatteryChargePercentage(raw_percentage, MinRawDefaultPercentage, MaxRawDefaultPercentage);
+    }
+
+}