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Common: Move AsU8Span utility function from BTReal to Common/BitUtils.

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This commit is contained in:
Jordan Woyak 2025-07-07 07:20:13 -05:00
commit 2b541361c6
2 changed files with 23 additions and 13 deletions
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19
Source/Core/Common/BitUtils.h
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@ -7,11 +7,13 @@
#include <bit>
#include <climits>
#include <cstddef>
#include <cstdint>
#include <cstring>
#include <initializer_list>
#include <span>
#include <type_traits>
#include "Common/CommonTypes.h"
namespace Common
{
///
@ -240,4 +242,19 @@ T ExpandValue(T value, size_t left_shift_amount)
return (value << left_shift_amount) |
(T(-ExtractBit<0>(value)) >> (BitSize<T>() - left_shift_amount));
}
template <typename T>
requires(std::is_trivially_copyable_v<T>)
constexpr auto AsU8Span(const T& obj)
{
return std::span{reinterpret_cast<const u8*>(std::addressof(obj)), sizeof(obj)};
}
template <typename T>
requires(std::is_trivially_copyable_v<T>)
constexpr auto AsWritableU8Span(T& obj)
{
return std::span{reinterpret_cast<u8*>(std::addressof(obj)), sizeof(obj)};
}
} // namespace Common

17
Source/Core/Core/IOS/USB/Bluetooth/BTReal.cpp
View file

@ -13,6 +13,7 @@
#include <fmt/format.h>
#include "Common/BitUtils.h"
#include "Common/ChunkFile.h"
#include "Common/Network.h"
#include "Common/StringUtil.h"
@ -35,14 +36,6 @@ struct HCICommandPayload
hci_cmd_hdr_t header{Opcode, sizeof(CommandType)};
CommandType command{};
};
template <typename T>
requires(std::is_trivially_copyable_v<T>)
constexpr auto AsU8Span(const T& obj)
{
return std::span{reinterpret_cast<const u8*>(std::addressof(obj)), sizeof(obj)};
}
} // namespace
namespace IOS::HLE
@ -295,7 +288,7 @@ auto BluetoothRealDevice::ProcessHCIEvent(BufferType buffer) -> BufferType
payload.command.latency = 10000;
payload.command.delay_variation = 0xffffffff;
m_lib_usb_bt_adapter->SendControlTransfer(AsU8Span(payload));
m_lib_usb_bt_adapter->SendControlTransfer(Common::AsU8Span(payload));
}
else if (event == HCI_EVENT_QOS_SETUP_COMPL)
{
@ -402,7 +395,7 @@ void BluetoothRealDevice::TriggerSyncButtonHeldEvent()
void BluetoothRealDevice::SendHCIResetCommand()
{
INFO_LOG_FMT(IOS_WIIMOTE, "SendHCIResetCommand");
m_lib_usb_bt_adapter->SendControlTransfer(AsU8Span(hci_cmd_hdr_t{HCI_CMD_RESET, 0}));
m_lib_usb_bt_adapter->SendControlTransfer(Common::AsU8Span(hci_cmd_hdr_t{HCI_CMD_RESET, 0}));
}
void BluetoothRealDevice::SendHCIDeleteLinkKeyCommand()
@ -413,7 +406,7 @@ void BluetoothRealDevice::SendHCIDeleteLinkKeyCommand()
payload.command.bdaddr = {};
payload.command.delete_all = 0x01;
m_lib_usb_bt_adapter->SendControlTransfer(AsU8Span(payload));
m_lib_usb_bt_adapter->SendControlTransfer(Common::AsU8Span(payload));
}
bool BluetoothRealDevice::SendHCIStoreLinkKeyCommand()
@ -450,7 +443,7 @@ bool BluetoothRealDevice::SendHCIStoreLinkKeyCommand()
for (auto& [bdaddr, linkkey] : m_link_keys | std::views::take(num_link_keys))
payload.link_keys[index++] = {bdaddr, linkkey};
m_lib_usb_bt_adapter->SendControlTransfer(AsU8Span(payload).first(payload_size));
m_lib_usb_bt_adapter->SendControlTransfer(Common::AsU8Span(payload).first(payload_size));
return true;
}