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Atmosphere/libraries/libexosphere/include/exosphere/i2c.hpp

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/*
* Copyright (c) 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>
namespace ams::i2c {
enum Port {
Port_1 = 0,
/* TODO: Support other ports? */
Port_5 = 4,
Port_Count = 5,
};
void SetRegisterAddress(Port port, uintptr_t address);
void Initialize(Port port);
bool Query(void *dst, size_t dst_size, Port port, int address, int r);
bool Send(Port port, int address, int r, const void *src, size_t src_size);
inline u8 QueryByte(Port port, int address, int r) {
u8 byte;
Query(std::addressof(byte), sizeof(byte), port, address, r);
return byte;
}
inline void SendByte(Port port, int address, int r, u8 byte) {
Send(port, address, r, std::addressof(byte), sizeof(byte));
}
}