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authorNarr the Reg <juangerman-13@hotmail.com>2023-01-28 00:47:47 +0100
committerNarr the Reg <juangerman-13@hotmail.com>2023-01-28 01:45:25 +0100
commit4e29afefc4afbce77f7ea0d110d7e844ce411eac (patch)
tree36348693dc5ef55813dfd57420d79bf0e5122c00 /src
parentinput_common: joycon: Remove magic numbers from calibration protocol (diff)
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Diffstat (limited to 'src')
-rw-r--r--src/input_common/helpers/joycon_protocol/common_protocol.cpp18
-rw-r--r--src/input_common/helpers/joycon_protocol/common_protocol.h20
-rw-r--r--src/input_common/helpers/joycon_protocol/generic_functions.cpp8
3 files changed, 26 insertions, 20 deletions
diff --git a/src/input_common/helpers/joycon_protocol/common_protocol.cpp b/src/input_common/helpers/joycon_protocol/common_protocol.cpp
index 2f0ab6b2a..0ef240344 100644
--- a/src/input_common/helpers/joycon_protocol/common_protocol.cpp
+++ b/src/input_common/helpers/joycon_protocol/common_protocol.cpp
@@ -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;
}
diff --git a/src/input_common/helpers/joycon_protocol/common_protocol.h b/src/input_common/helpers/joycon_protocol/common_protocol.h
index 675eacf68..75d3f20a4 100644
--- a/src/input_common/helpers/joycon_protocol/common_protocol.h
+++ b/src/input_common/helpers/joycon_protocol/common_protocol.h
@@ -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;
}
diff --git a/src/input_common/helpers/joycon_protocol/generic_functions.cpp b/src/input_common/helpers/joycon_protocol/generic_functions.cpp
index 4763ba3e6..484c208e6 100644
--- a/src/input_common/helpers/joycon_protocol/generic_functions.cpp
+++ b/src/input_common/helpers/joycon_protocol/generic_functions.cpp
@@ -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) {