mirror of
https://github.com/skawo/GodMode9-with-Cartridge-Fixer.git
synced 2025-06-19 01:15:33 -04:00
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
77 lines
1.8 KiB
C
Executable File
77 lines
1.8 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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#include "arm/timer.h"
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#include "hw/i2c.h"
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#define MCU_INTERRUPT (0x71)
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#define I2C_MCU_DEVICE (3)
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u8 MCU_GetVolumeSlider(void);
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u32 MCU_GetSpecialHID(void);
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void MCU_SetNotificationLED(u32 period_ms, u32 color);
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void MCU_ResetLED(void);
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void MCU_HandleInterrupts(u32 irqn);
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void MCU_Init(void);
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static inline u8 MCU_ReadReg(u8 addr)
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{
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u8 val;
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I2C_readRegBuf(I2C_MCU_DEVICE, addr, &val, 1);
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return val;
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}
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static inline bool MCU_ReadRegBuf(u8 addr, u8 *buf, u32 size)
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{
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return I2C_readRegBuf(I2C_MCU_DEVICE, addr, buf, size);
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}
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static inline bool MCU_WriteReg(u8 addr, u8 val)
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{
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return I2C_writeRegBuf(I2C_MCU_DEVICE, addr, &val, 1);
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}
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static inline bool MCU_WriteRegBuf(u8 addr, const u8 *buf, u32 size)
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{
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return I2C_writeRegBuf(I2C_MCU_DEVICE, addr, buf, size);
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}
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static inline u32 MCU_waitEvents(u32 mask) {
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u32 v;
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while(1) {
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TIMER_WaitMS(10);
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MCU_ReadRegBuf(0x10, (u8*)&v, 4);
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v &= mask;
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if (v)
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break;
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}
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return v;
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}
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static inline void MCU_controlLCDPower(u8 bits)
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{
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MCU_WriteReg(0x22u, bits);
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}
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