Atmosphere/libraries/libstratosphere/source/i2c/server/i2c_server_session_impl.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 <stratosphere.hpp>
namespace ams::i2c::server {
class ManagerImpl;
class SessionImpl {
private:
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ManagerImpl *m_parent; /* NOTE: this is an sf::SharedPointer<> in Nintendo's code. */
i2c::driver::I2cSession m_internal_session;
bool m_has_session;
public:
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explicit SessionImpl(ManagerImpl *p) : m_parent(p), m_has_session(false) { /* ... */ }
~SessionImpl() {
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if (m_has_session) {
i2c::driver::CloseSession(m_internal_session);
}
}
Result OpenSession(DeviceCode device_code) {
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AMS_ABORT_UNLESS(!m_has_session);
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R_TRY(i2c::driver::OpenSession(std::addressof(m_internal_session), device_code));
m_has_session = true;
return ResultSuccess();
}
public:
/* Actual commands. */
Result SendOld(const ams::sf::InBuffer &in_data, i2c::TransactionOption option) {
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return i2c::driver::Send(m_internal_session, in_data.GetPointer(), in_data.GetSize(), option);
}
Result ReceiveOld(const ams::sf::OutBuffer &out_data, i2c::TransactionOption option) {
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return i2c::driver::Receive(out_data.GetPointer(), out_data.GetSize(), m_internal_session, option);
}
Result ExecuteCommandListOld(const ams::sf::OutBuffer &rcv_buf, const ams::sf::InPointerArray<i2c::I2cCommand> &command_list){
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return i2c::driver::ExecuteCommandList(rcv_buf.GetPointer(), rcv_buf.GetSize(), m_internal_session, command_list.GetPointer(), command_list.GetSize() * sizeof(i2c::I2cCommand));
}
Result Send(const ams::sf::InAutoSelectBuffer &in_data, i2c::TransactionOption option) {
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return i2c::driver::Send(m_internal_session, in_data.GetPointer(), in_data.GetSize(), option);
}
Result Receive(const ams::sf::OutAutoSelectBuffer &out_data, i2c::TransactionOption option) {
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return i2c::driver::Receive(out_data.GetPointer(), out_data.GetSize(), m_internal_session, option);
}
Result ExecuteCommandList(const ams::sf::OutAutoSelectBuffer &rcv_buf, const ams::sf::InPointerArray<i2c::I2cCommand> &command_list) {
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return i2c::driver::ExecuteCommandList(rcv_buf.GetPointer(), rcv_buf.GetSize(), m_internal_session, command_list.GetPointer(), command_list.GetSize() * sizeof(i2c::I2cCommand));
}
Result SetRetryPolicy(s32 max_retry_count, s32 retry_interval_us) {
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return i2c::driver::SetRetryPolicy(m_internal_session, max_retry_count, retry_interval_us);
}
};
static_assert(i2c::sf::IsISession<SessionImpl>);
}