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input_common: joycon: Replace ReadSPI vector with span

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This commit is contained in:
Narr the Reg 2023-01-27 17:47:47 -06:00
parent 8647c72778
commit 4e29afefc4
3 changed files with 26 additions and 20 deletions
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18
src/input_common/helpers/joycon_protocol/common_protocol.cpp
View file

@ -22,8 +22,8 @@ void JoyconCommonProtocol::SetNonBlocking() {
}
DriverResult JoyconCommonProtocol::GetDeviceType(ControllerType& controller_type) {
std::vector<u8> buffer;
const auto result = ReadSPI(SpiAddress::DEVICE_TYPE, 1, buffer);
std::array<u8, 1> buffer{};
const auto result = ReadRawSPI(SpiAddress::DEVICE_TYPE, buffer);
controller_type = ControllerType::None;
if (result == DriverResult::Success) {
@ -148,11 +148,13 @@ DriverResult JoyconCommonProtocol::SendVibrationReport(std::span<const u8> buffe
return SendData(local_buffer);
}
DriverResult JoyconCommonProtocol::ReadSPI(SpiAddress addr, u8 size, std::vector<u8>& output) {
DriverResult JoyconCommonProtocol::ReadRawSPI(SpiAddress addr, std::span<u8> output) {
constexpr std::size_t HeaderSize = 20;
constexpr std::size_t MaxTries = 10;
const auto size = output.size();
std::size_t tries = 0;
std::array<u8, 5> buffer = {0x00, 0x00, 0x00, 0x00, size};
std::vector<u8> local_buffer(size + 20);
std::array<u8, 5> buffer = {0x00, 0x00, 0x00, 0x00, static_cast<u8>(size)};
std::vector<u8> local_buffer{};
buffer[0] = static_cast<u8>(static_cast<u16>(addr) & 0x00FF);
buffer[1] = static_cast<u8>((static_cast<u16>(addr) & 0xFF00) >> 8);
@ -167,8 +169,12 @@ DriverResult JoyconCommonProtocol::ReadSPI(SpiAddress addr, u8 size, std::vector
}
} while (local_buffer[15] != buffer[0] || local_buffer[16] != buffer[1]);
if (local_buffer.size() < size + HeaderSize) {
return DriverResult::WrongReply;
}
// Remove header from output
output = std::vector<u8>(local_buffer.begin() + 20, local_buffer.begin() + 20 + size);
memcpy(output.data(), local_buffer.data() + HeaderSize, size);
return DriverResult::Success;
}

20
src/input_common/helpers/joycon_protocol/common_protocol.h
View file

@ -97,26 +97,26 @@ public:
/**
* Reads the SPI memory stored on the joycon
* @param Initial address location
* @param size in bytes to be read
* @returns output buffer containing the responce
*/
DriverResult ReadSPI(SpiAddress addr, u8 size, std::vector<u8>& output);
DriverResult ReadRawSPI(SpiAddress addr, std::span<u8> output);
/**
* Reads the SPI memory stored on the joycon
* @param Initial address location
* @returns output object containing the responce
*/
template <typename Output>
requires(std::is_trivially_copyable_v<Output>)
DriverResult ReadSPI(SpiAddress addr, Output& output) {
std::vector<u8> buffer;
requires std::is_trivially_copyable_v<Output> DriverResult ReadSPI(SpiAddress addr,
Output& output) {
std::array<u8, sizeof(Output)> buffer;
output = {};
const auto result = ReadSPI(addr, sizeof(Output), buffer);
const auto result = ReadRawSPI(addr, buffer);
if (result != DriverResult::Success) {
return result;
}
if (buffer.size() != sizeof(Output)) {
return DriverResult::WrongReply;
}
std::memcpy(&output, buffer.data(), sizeof(Output));
return DriverResult::Success;
}

8
src/input_common/helpers/joycon_protocol/generic_functions.cpp
View file

@ -71,8 +71,8 @@ DriverResult GenericProtocol::GetBattery(u32& battery_level) {
DriverResult GenericProtocol::GetColor(Color& color) {
ScopedSetBlocking sb(this);
std::vector<u8> buffer;
const auto result = ReadSPI(SpiAddress::COLOR_DATA, 12, buffer);
std::array<u8, 12> buffer{};
const auto result = ReadRawSPI(SpiAddress::COLOR_DATA, buffer);
color = {};
if (result == DriverResult::Success) {
@ -87,8 +87,8 @@ DriverResult GenericProtocol::GetColor(Color& color) {
DriverResult GenericProtocol::GetSerialNumber(SerialNumber& serial_number) {
ScopedSetBlocking sb(this);
std::vector<u8> buffer;
const auto result = ReadSPI(SpiAddress::SERIAL_NUMBER, 16, buffer);
std::array<u8, 16> buffer{};
const auto result = ReadRawSPI(SpiAddress::SERIAL_NUMBER, buffer);
serial_number = {};
if (result == DriverResult::Success) {