mirror of
https://github.com/d0k3/GodMode9.git
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30f0b004c2
- properly performs gpu/backlight reset - nukes vram so the initrd had to be moved to arm9 memory, and have its size (at least temporarily) limited to 256k
37 lines
1.2 KiB
C
Executable File
37 lines
1.2 KiB
C
Executable File
/*
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* This file is part of GodMode9
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* Copyright (C) 2019 Wolfvak
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <types.h>
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// The timer interval is calculated using the following equation:
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// T = [(PRESCALER_value + 1) * (Load_value + 1) * 2] / CPU_CLK
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// therefore
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// Load_value = [(CPU_CLK / 2) * (T / (PRESCALER_value + 1))] - 1
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#define BASE_CLKRATE (268111856 / 2)
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#define CLK_MS_TO_TICKS(m) (((BASE_CLKRATE / 1000) * (m)) - 1)
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void TIMER_WaitTicks(u32 ticks);
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static inline void TIMER_WaitMS(u32 ms) {
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TIMER_WaitTicks(CLK_MS_TO_TICKS(ms));
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}
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