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i2c: command list format, get boot down to linker errors

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This commit is contained in:
Michael Scire
2020-10-31 22:52:43 -07:00
committed by SciresM
parent 42caa4ffd1
commit 258cfb62a2
13 changed files with 233 additions and 50 deletions
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1
libraries/libstratosphere/include/stratosphere/i2c.hpp
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@@ -17,6 +17,7 @@
#pragma once
#include <stratosphere/i2c/i2c_types.hpp>
#include <stratosphere/i2c/i2c_select_device_name.hpp>
#include <stratosphere/i2c/i2c_command_list_formatter.hpp>
#include <stratosphere/i2c/sf/i2c_sf_i_session.hpp>
#include <stratosphere/i2c/sf/i2c_sf_i_manager.hpp>
#include <stratosphere/i2c/server/i2c_server_api.hpp>

51
libraries/libstratosphere/include/stratosphere/i2c/i2c_command_list_formatter.hpp Normal file
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@@ -0,0 +1,51 @@
/*
* 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 {
constexpr inline size_t CommandListLengthMax = 0x100;
constexpr inline size_t CommandListReceiveCommandSize = 2;
constexpr inline size_t CommandListSendCommandSize = 2;
constexpr inline size_t CommandListSleepCommandSize = 2;
class CommandListFormatter {
NON_COPYABLE(CommandListFormatter);
NON_MOVEABLE(CommandListFormatter);
private:
size_t current_index;
size_t command_list_length;
void *command_list;
private:
Result IsEnqueueAble(size_t sz) const;
public:
CommandListFormatter(void *p, size_t sz) : current_index(0), command_list_length(sz), command_list(p) {
AMS_ABORT_UNLESS(this->command_list_length <= CommandListLengthMax);
}
~CommandListFormatter() { this->command_list = nullptr; }
size_t GetCurrentLength() const { return this->current_index; }
const void *GetListHead() const { return this->command_list; }
Result EnqueueReceiveCommand(i2c::TransactionOption option, size_t size);
Result EnqueueSendCommand(i2c::TransactionOption option, const void *src, size_t size);
Result EnqueueSleepCommand(int us);
};
}