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Linux/MacOS: Add wiimote support via HIDAPI (#934)

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capitalistspz 2023-08-15 07:37:37 +00:00 • committed by GitHub
parent 892ae13680
commit 85aa4f095b
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8 changed files with 173 additions and 89 deletions
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55
src/input/api/Wiimote/hidapi/HidapiWiimote.cpp Normal file
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#include "HidapiWiimote.h"
static constexpr uint16 WIIMOTE_VENDOR_ID = 0x057e;
static constexpr uint16 WIIMOTE_PRODUCT_ID = 0x0306;
static constexpr uint16 WIIMOTE_MP_PRODUCT_ID = 0x0330;
static constexpr uint16 WIIMOTE_MAX_INPUT_REPORT_LENGTH = 22;
HidapiWiimote::HidapiWiimote(hid_device* dev, uint64_t identifier)
: m_handle(dev), m_identifier(identifier) {
}
bool HidapiWiimote::write_data(const std::vector<uint8> &data) {
return hid_write(m_handle, data.data(), data.size()) >= 0;
}
std::optional<std::vector<uint8>> HidapiWiimote::read_data() {
std::array<uint8, WIIMOTE_MAX_INPUT_REPORT_LENGTH> read_data{};
const auto result = hid_read(m_handle, read_data.data(), WIIMOTE_MAX_INPUT_REPORT_LENGTH);
if (result < 0)
return {};
return {{read_data.cbegin(), read_data.cbegin() + result}};
}
std::vector<WiimoteDevicePtr> HidapiWiimote::get_devices() {
std::vector<WiimoteDevicePtr> wiimote_devices;
hid_init();
const auto device_enumeration = hid_enumerate(WIIMOTE_VENDOR_ID, 0x0);
for (auto it = device_enumeration; it != nullptr; it = it->next){
if (it->product_id != WIIMOTE_PRODUCT_ID && it->product_id != WIIMOTE_MP_PRODUCT_ID)
continue;
auto dev = hid_open_path(it->path);
if (!dev){
cemuLog_logDebug(LogType::Force, "Unable to open Wiimote device at {}: {}", it->path, boost::nowide::narrow(hid_error(nullptr)));
}
else {
// Enough to have a unique id for each device within a session
uint64_t id = (static_cast<uint64>(it->interface_number) << 32) |
(static_cast<uint64>(it->usage_page) << 16) |
(it->usage);
wiimote_devices.push_back(std::make_shared<HidapiWiimote>(dev, id));
}
}
hid_free_enumeration(device_enumeration);
return wiimote_devices;
}
bool HidapiWiimote::operator==(WiimoteDevice& o) const {
return m_identifier == static_cast<HidapiWiimote&>(o).m_identifier;
}
HidapiWiimote::~HidapiWiimote() {
hid_close(m_handle);
}