Atmosphere/libraries/libstratosphere/include/stratosphere/i2c/driver/i2c_bus_api.hpp

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/*
* 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/i2c/i2c_types.hpp>
namespace ams::i2c::driver {
namespace impl {
constexpr inline size_t I2cSessionSize = 0x60;
constexpr inline size_t I2cSessionAlign = 8;
struct alignas(I2cSessionAlign) I2cSessionImplPadded;
}
struct I2cSession {
util::TypedStorage<impl::I2cSessionImplPadded, impl::I2cSessionSize, impl::I2cSessionAlign> _impl;
};
Result OpenSession(I2cSession *out, DeviceCode device_code);
void CloseSession(I2cSession &session);
Result Send(I2cSession &session, const void *src, size_t src_size, TransactionOption option);
Result Receive(void *dst, size_t dst_size, I2cSession &session, TransactionOption option);
Result ExecuteCommandList(void *dst, size_t dst_size, I2cSession &session, const void *src, size_t src_size);
Result SetRetryPolicy(I2cSession &session, int max_retry_count, int retry_interval_ms);
}