add PIHIDevice

This commit is contained in:
2025-09-11 21:06:30 +03:00
parent 53faaeb396
commit 3c72db2de8
5 changed files with 766 additions and 7 deletions

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@@ -328,7 +328,7 @@ if(NOT PIP_FREERTOS)
if(WIN32) if(WIN32)
if(${C_COMPILER} STREQUAL "cl.exe") if(${C_COMPILER} STREQUAL "cl.exe")
else() else()
list(APPEND LIBS_MAIN ws2_32 iphlpapi psapi cfgmgr32 setupapi) list(APPEND LIBS_MAIN ws2_32 iphlpapi psapi cfgmgr32 setupapi hid)
endif() endif()
else() else()
list(APPEND LIBS_MAIN dl) list(APPEND LIBS_MAIN dl)

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@@ -0,0 +1,637 @@
#include "pihidevice.h"
#include "piliterals_string.h"
#include "piliterals_time.h"
#ifndef WINDOWS
# include "pidir.h"
# include "pifile.h"
# include "piiostream.h"
# include <fcntl.h>
# include <linux/input-event-codes.h>
# include <linux/input.h>
# include <sys/ioctl.h>
# include <sys/time.h>
# include <unistd.h>
#else
// clang-format off
# include <windows.h>
# include <setupapi.h>
extern "C" {
# include <hidsdi.h>
}
// clang-format on
#endif
bool PIHIDeviceInfo::match(const PIString & str) const {
if (product.toLowerCase().contains(str.toLowerCase())) return true;
if (path.toLowerCase().contains(str.toLowerCase())) return true;
return false;
}
int PIHIDeviceInfo::axesAbsoluteCount() const {
int ret = 0;
for (const auto & a: axes)
if (!a.is_relative) ++ret;
return ret;
}
int PIHIDeviceInfo::axesRelativeCount() const {
int ret = 0;
for (const auto & a: axes)
if (a.is_relative) ++ret;
return ret;
}
void PIHIDeviceInfo::prepare() {
axis_by_dataindex.clear();
button_by_dataindex.clear();
for (const auto & i: axes)
axis_by_dataindex[i.data_index] = i;
for (const auto & i: buttons)
button_by_dataindex[i.data_index] = i;
}
PICout operator<<(PICout s, const PIHIDeviceInfo & v) {
s.saveAndSetControls(0);
s << "PIHIDeviceInfo(" << v.product << " (" << v.manufacturer << "), " << v.VID << ":" << v.PID
<< ", " //<< "path \"" << v.path << "\", "
<< v.axesAbsoluteCount() << " abs axes, " << v.axesRelativeCount() << " rel axes, " << v.buttonsCount() << " buttons)";
s.restoreControls();
return s;
}
PRIVATE_DEFINITION_START(PIHIDevice)
#ifndef WINDOWS
PIFile file;
bool is_js = false;
#else
PIByteArray buffer;
HANDLE deviceHandle = nullptr;
PHIDP_PREPARSED_DATA preparsed = nullptr;
#endif
PRIVATE_DEFINITION_END(PIHIDevice)
PIHIDevice::~PIHIDevice() {
close();
}
bool PIHIDevice::isOpened() const {
#ifndef WINDOWS
return PRIVATE->file.isOpened();
#else
return PRIVATE->deviceHandle;
#endif
}
bool PIHIDevice::open(const PIHIDeviceInfo & device) {
close();
cur_axes.clear();
cur_buttons.clear();
di = device;
di.prepare();
if (device.isNull()) return false;
#ifndef WINDOWS
if (!PRIVATE->file.open(di.path, PIIODevice::ReadOnly)) {
piCout << "PIHIDevice::open" << di.path << "error:" << errorString();
return false;
}
PRIVATE->is_js = PIFile::FileInfo(di.path).name().startsWith("js"_a);
return true;
#else
PRIVATE->deviceHandle = CreateFileA(di.path.dataAscii(),
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
nullptr,
OPEN_EXISTING,
0,
nullptr);
if (PRIVATE->deviceHandle == INVALID_HANDLE_VALUE) {
piCoutObj << "PIHIDevice::open" << di.path << "error:" << errorString();
PRIVATE->deviceHandle = nullptr;
return false;
}
HidD_GetPreparsedData(PRIVATE->deviceHandle, &PRIVATE->preparsed);
return true;
#endif
}
void PIHIDevice::close() {
stop();
#ifndef WINDOWS
PRIVATE->file.close();
#else
if (PRIVATE->deviceHandle) {
CloseHandle(PRIVATE->deviceHandle);
PRIVATE->deviceHandle = nullptr;
}
if (PRIVATE->preparsed) {
HidD_FreePreparsedData(PRIVATE->preparsed);
PRIVATE->preparsed = nullptr;
}
#endif
}
void PIHIDevice::start() {
if (!isOpened()) return;
PIThread::start(200_Hz);
#ifndef WINDOWS
#else
#endif
}
void PIHIDevice::stop() {
PIThread::stop();
#ifdef WINDOWS
if (PRIVATE->deviceHandle) {
CancelIoEx(PRIVATE->deviceHandle, nullptr);
}
#endif
if (!waitForFinish(1000_ms)) terminate();
}
void PIHIDevice::run() {
Event e;
#ifndef WINDOWS
# pragma pack(push, 1)
struct input_event {
struct timeval time;
ushort type;
ushort code;
uint value;
};
struct js_event {
uint time; /* event timestamp in milliseconds */
short value; /* value */
uchar type; /* event type */
uchar number; /* axis/button number */
};
# pragma pack(pop)
if (PRIVATE->is_js) {
js_event ie;
while (PRIVATE->file.read(&ie, sizeof(ie)) == sizeof(ie)) {
if (ie.type == 0) continue;
bool ok = false;
switch (ie.type) {
case 2: {
// piCout << ie.value;
cur_axes[ie.number] = procDeadZone(ie.value / 32767. / 2. + 0.5);
ok = true;
} break;
case 1:
// piCout << ie.code;
cur_buttons[ie.number] = ie.value;
ok = true;
break;
default: break;
}
// piCout << ok << ie.type << ie.code << ie.value;
if (!ok) continue;
}
} else {
input_event ie;
while (PRIVATE->file.read(&ie, sizeof(ie)) == sizeof(ie)) {
if (ie.type == 0) continue;
bool ok = false;
switch (ie.type) {
case 2: { // rel axis
auto vi = di.axis_by_dataindex.value(ie.code);
if (vi.isValid()) {
e.type = Event::tAxisMove;
e.axis = vi;
e.value = static_cast<int>(ie.value);
event(e);
}
ok = true;
} break;
case 3: { // abs axis
auto vi = di.axis_by_dataindex.value(ie.code);
float fv = (ie.value - vi.min) / piMaxf(1.f, (float)(vi.max - vi.min));
cur_axes[ie.code] = procDeadZone(fv);
ok = true;
} break;
case 1: // button
// piCout << ie.code;
cur_buttons[ie.code] = ie.value;
ok = true;
break;
default: break;
}
// piCout << ok << ie.type << ie.code << ie.value;
if (!ok) continue;
}
}
#else
PRIVATE->buffer.resize(di.input_report_size).fill(0);
DWORD readed = 0;
// piCout << "read" << PRIVATE->deviceHandle << PRIVATE->buffer.size();
HIDP_DATA gdd[256];
ULONG gdd_len = 256;
if (ReadFile(PRIVATE->deviceHandle, PRIVATE->buffer.data(), PRIVATE->buffer.size_s(), &readed, nullptr) != TRUE) return;
// piCout << readed << PRIVATE->buffer.size();
if (readed != PRIVATE->buffer.size()) return;
auto gd = HidP_GetData(HidP_Input, gdd, &gdd_len, PRIVATE->preparsed, (PCHAR)PRIVATE->buffer.data(), PRIVATE->buffer.size_s());
// piCout << "readed" << PRIVATE->buffer << gdd_len;
auto cbit = cur_buttons.makeIterator();
while (cbit.next())
cbit.value() = 0;
for (int i = 0; i < gdd_len; ++i) {
const auto & cd(gdd[i]);
// piCout << cd.DataIndex << cd.RawValue;
auto vi = di.axis_by_dataindex.value(cd.DataIndex);
if (vi.isValid()) {
if (vi.is_relative) {
e.type = Event::tAxisMove;
e.axis = vi;
e.value = static_cast<LONG>(cd.RawValue);
event(e);
} else {
auto & axis(cur_axes[cd.DataIndex]);
float fv = (cd.RawValue - vi.min) / piMaxf(1.f, (float)(vi.max - vi.min));
cur_axes[vi.data_index] = procDeadZone(fv);
}
// piCout << "axis" << vi.data_index << "->" << cur_axes[vi.data_index];
continue;
}
auto bi = di.button_by_dataindex.value(cd.DataIndex);
if (bi.isValid()) {
cur_buttons[bi.data_index] = 1;
// piCout << "button" << bi.data_index << "-> 1";
continue;
}
}
#endif
auto ait = cur_axes.makeIterator();
e.type = Event::tAxisMove;
while (ait.next()) {
if (ait.value() != prev_axes.value(ait.key())) {
e.axis = di.axis_by_dataindex.value(ait.key());
e.value = ait.value();
event(e);
}
}
prev_axes = cur_axes;
auto bit = cur_buttons.makeIterator();
e.type = Event::tButton;
while (bit.next()) {
if (bit.value() != prev_buttons.value(bit.key())) {
e.button = di.button_by_dataindex.value(bit.key());
e.value = bit.value();
event(e);
}
}
prev_buttons = cur_buttons;
}
double PIHIDevice::procDeadZone(double in) {
double cv = (in - 0.5) * 2.;
if (piAbsd(cv) < dead_zone) return 0.;
if (cv < 0)
return (cv + dead_zone) / (1. - dead_zone);
else
return (cv - dead_zone) / (1. - dead_zone);
return cv;
}
PIVector<PIHIDeviceInfo> PIHIDevice::allDevices(bool try_open) {
PIVector<PIHIDeviceInfo> ret;
#ifndef WINDOWS
auto readFile = [](const PIString & path) {
auto ba = PIFile::readAll(path, true);
PIString ret;
for (const auto & b: ba) {
if (!PIChar(b).isAscii()) break;
ret += PIChar(b);
}
return ret.trim();
};
auto isDir = [](const PIFile::FileInfo & fi) {
return fi.isDir() && !fi.flags[PIFile::FileInfo::Dot] && !fi.flags[PIFile::FileInfo::DotDot];
};
auto checkBit = [](const ullong & flags, ullong bit, const PIString & name) { return (flags & (1ULL << bit)) > 0; };
PIDir hid_dir("/sys/bus/hid/devices"_a);
auto hid_devs = hid_dir.entries();
for (auto hd: hid_devs) {
// piCout << d.path;
if (!isDir(hd)) continue;
PIDir dir_input(hd.path + "/input"_a);
auto hid_inputs = dir_input.entries();
for (auto hd_i: hid_inputs) {
if (!isDir(hd_i)) continue;
// now in /sys/bus/hid/devices/<dev>/input/input<N>
// piCout << hd_i.path;
PIHIDeviceInfo dev;
dev.product = readFile(hd_i.path + "/name"_a);
// piCout << readFile(hd_i.path + "/name"_a);
dev.VID = readFile(hd_i.path + "/id/vendor"_a);
dev.PID = readFile(hd_i.path + "/id/product"_a);
dev.version = readFile(hd_i.path + "/id/version"_a);
dev.manufacturer = readFile(hd_i.path + "/id/manufacturer"_a);
// piCout << dev.product;
dev.input_report_size = 24;
PIDir dir_e(hd_i.path);
PIStringList devs;
auto dl_e = dir_e.entries();
for (auto d_e: dl_e) {
if (!d_e.isDir() || d_e.flags[PIFile::FileInfo::Dot] || d_e.flags[PIFile::FileInfo::DotDot]) continue;
devs << d_e.name();
}
/*bool dev_found = false;
for (const auto & d: devs) {
if (d.startsWith("js"_a)) {
dev.path = "/dev/input/"_a + d;
dev_found = true;
break;
}
}
if (!dev_found) {*/
// search for event<N> dir
for (const auto & d: devs) {
if (d.startsWith("event"_a)) {
dev.path = "/dev/input/"_a + d;
break;
}
}
if (dev.path.isEmpty()) continue;
if (try_open) {
PIFile test_f(dev.path, PIIODevice::ReadOnly);
if (test_f.isClosed()) continue;
}
ullong ev = readFile(hd_i.path + "/capabilities/ev"_a).toULLong(16);
auto readAxes = [readFile, checkBit, &hd_i, &dev](const PIString & file, bool is_relative) {
PIVector<PIHIDeviceInfo::AxisInfo> ret;
ullong bits = readFile(hd_i.path + file).toULLong(16);
// piCout<< PICoutManipulators::Bin << abs;
if (bits > 0) {
int fd = ::open(dev.path.dataAscii(), O_RDONLY);
if (fd < 0) {
// piCout << "Warning: can`t open" << dev.path << errorString();
}
PIHIDeviceInfo::AxisInfo ai;
ai.is_relative = is_relative;
for (int bit = 0; bit < 64; ++bit) {
if (checkBit(bits, bit, PIString::fromNumber(bit))) {
ai.data_index = bit;
if (fd >= 0) {
struct input_absinfo abs_info;
if (ioctl(fd, EVIOCGABS(bit), &abs_info) != -1) {
ai.min = abs_info.minimum;
ai.max = abs_info.maximum;
// piCout << "axis" << bit << abs_info.minimum << abs_info.maximum << abs_info.flat << abs_info.fuzz;
} else {
ai.min = 0;
ai.max = 1024;
}
}
ret << ai;
}
}
if (fd >= 0) ::close(fd);
}
return ret;
};
dev.axes << readAxes("/capabilities/abs"_a, false) << readAxes("/capabilities/rel"_a, true);
for (int i = 0; i < dev.axes.size_s(); ++i)
dev.axes[i].index = i;
PIString key_str = readFile(hd_i.path + "/capabilities/key"_a);
PIVector<ulong> key_words;
while (key_str.isNotEmpty()) {
PIString w = key_str.takeWord().trimmed();
if (w.isEmpty()) break;
key_words.prepend(w.toULong(16));
}
PIBitArray key_bits((const uchar *)key_words.data(), key_words.size_s() * sizeof(ulong));
PIHIDeviceInfo::ButtonInfo bi;
for (uint b = 0; b < key_bits.bitSize(); ++b) {
if (!key_bits[b]) continue;
bi.index = dev.buttons.size_s();
bi.code = b;
bi.data_index = b;
dev.buttons << bi;
}
if (dev.manufacturer.isEmpty()) {
for (const auto * hwp: {"/usr/share/hwdata/usb.ids", "/var/lib/usbutils/usb.ids"}) {
PIFile hwf(hwp, PIIODevice::ReadOnly);
if (hwf.isClosed()) continue;
// piCout << "search" << dev.VID << "in" << hwp;
PIString line;
PIIOTextStream ts(&hwf);
while (!hwf.isEnd()) {
line = ts.readLine();
if (line.startsWith(dev.VID)) {
line.takeWord();
line.trim();
dev.manufacturer = line;
break;
}
}
break;
}
}
if (dev.isNotNull() && (dev.buttonsCount() > 0 || dev.axesCount() > 0)) ret << dev;
}
}
#else
GUID guid;
HidD_GetHidGuid(&guid);
HDEVINFO deviceInfoSet = SetupDiGetClassDevs(&guid, nullptr, nullptr, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
if (deviceInfoSet == INVALID_HANDLE_VALUE) {
piCout << "SetupDiGetClassDevs error:" << errorString();
return ret;
}
SP_DEVICE_INTERFACE_DATA deviceInterfaceData;
deviceInterfaceData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
for (DWORD i = 0; SetupDiEnumDeviceInterfaces(deviceInfoSet, nullptr, &guid, i, &deviceInterfaceData); ++i) {
PIHIDeviceInfo dev;
DWORD requiredSize = 0;
SetupDiGetDeviceInterfaceDetail(deviceInfoSet, &deviceInterfaceData, nullptr, 0, &requiredSize, nullptr);
PSP_DEVICE_INTERFACE_DETAIL_DATA deviceInterfaceDetailData =
reinterpret_cast<PSP_DEVICE_INTERFACE_DETAIL_DATA>(new BYTE[requiredSize]);
PIScopeExitCall exit_call([&deviceInterfaceDetailData]() { delete[] reinterpret_cast<BYTE *>(deviceInterfaceDetailData); });
deviceInterfaceDetailData->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
if (!SetupDiGetDeviceInterfaceDetail(deviceInfoSet,
&deviceInterfaceData,
deviceInterfaceDetailData,
requiredSize,
nullptr,
nullptr)) {
piCout << "SetupDiGetDeviceInterfaceDetail error:" << errorString();
continue;
}
if (try_open) {
auto test_f = CreateFileA(deviceInterfaceDetailData->DevicePath,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
nullptr,
OPEN_EXISTING,
0,
nullptr);
if (test_f == INVALID_HANDLE_VALUE) continue;
CloseHandle(test_f);
}
HANDLE deviceHandle =
CreateFileA(deviceInterfaceDetailData->DevicePath, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, nullptr, OPEN_EXISTING, 0, nullptr);
if (deviceHandle == INVALID_HANDLE_VALUE) {
piCout << "CreateFileA error:" << errorString();
continue;
}
// piCout << i << deviceHandle;
PHIDP_PREPARSED_DATA preparsed = nullptr;
if (HidD_GetPreparsedData(deviceHandle, &preparsed) == FALSE) {
piCout << "HidD_GetPreparsedData error:" << errorString();
continue;
}
// auto pp = PIByteArray(preparsed, 64);
// piCout << piChangedEndian(pp.dataAs<ushort>(7)) << piChangedEndian(pp.dataAs<ushort>(8)) <<
// piChangedEndian(pp.dataAs<ushort>(9));
// piCout << pp;
dev.path = deviceInterfaceDetailData->DevicePath;
HIDD_ATTRIBUTES attr;
PIByteArray str_buff(1024);
HidD_GetAttributes(deviceHandle, &attr);
dev.VID.setNumber(attr.VendorID, 16).expandLeftTo(4, '0').toLowerCase();
dev.PID.setNumber(attr.ProductID, 16).expandLeftTo(4, '0').toLowerCase();
dev.version.setNumber(attr.VersionNumber);
HIDP_CAPS caps;
HidP_GetCaps(preparsed, &caps);
dev.input_report_size = caps.InputReportByteLength;
str_buff.fill(0);
HidD_GetManufacturerString(deviceHandle, str_buff.data(), str_buff.size_s());
dev.manufacturer = PIString(reinterpret_cast<wchar_t *>(str_buff.data()));
str_buff.fill(0);
HidD_GetProductString(deviceHandle, str_buff.data(), str_buff.size_s());
dev.product = PIString(reinterpret_cast<wchar_t *>(str_buff.data()));
str_buff.fill(0);
HidD_GetSerialNumberString(deviceHandle, str_buff.data(), str_buff.size_s());
dev.serial = PIString(reinterpret_cast<wchar_t *>(str_buff.data()));
PIVector<PIHIDeviceInfo::AxisInfo> axes_abs, axes_rel;
HIDP_VALUE_CAPS value_caps[1024];
USHORT _cnt = caps.NumberInputValueCaps;
memset(value_caps, 0, sizeof(value_caps[0]) * 1024);
HidP_GetValueCaps(HidP_Input, value_caps, &_cnt, preparsed);
for (int i = 0; i < caps.NumberInputValueCaps; ++i) {
const auto & vc(value_caps[i]);
PIHIDeviceInfo::AxisInfo vi;
vi.bits = vc.BitSize;
vi.min = vc.LogicalMin;
vi.max = vc.LogicalMax;
vi.is_relative = vc.IsAbsolute == 0;
if (vi.max == vi.min) ++vi.max;
if (vc.IsRange == 1) {
int count = vc.Range.UsageMax - vc.Range.UsageMin + 1;
int cur_index = vc.Range.DataIndexMin;
for (int v = 0; v < count; ++v) {
vi.data_index = cur_index;
if (vi.is_relative)
axes_rel << vi;
else
axes_abs << vi;
++cur_index;
}
} else {
vi.data_index = vc.NotRange.DataIndex;
if (vi.is_relative)
axes_rel << vi;
else
axes_abs << vi;
}
// piCout << vc.LinkCollection << vc.LinkUsage << vc.LinkUsagePage;
}
dev.axes << axes_abs << axes_rel;
for (int i = 0; i < dev.axes.size_s(); ++i)
dev.axes[i].index = i;
HIDP_BUTTON_CAPS button_caps[1024];
_cnt = caps.NumberInputButtonCaps;
memset(button_caps, 0, sizeof(button_caps[0]) * 1024);
HidP_GetButtonCaps(HidP_Input, button_caps, &_cnt, preparsed);
for (int i = 0; i < _cnt; ++i) {
const auto & bc(button_caps[i]);
PIHIDeviceInfo::ButtonInfo bi;
// dev.values.append(PIHIDeviceInfo::ValueInfo{value_caps[i].BitSize, value_caps[i].LogicalMin, value_caps[i].LogicalMax});
if (bc.IsRange == 1) {
int count = bc.Range.UsageMax - bc.Range.UsageMin + 1;
int cur_index = bc.Range.DataIndexMin;
for (int b = 0; b < count; ++b) {
bi.index = dev.buttons.size_s();
bi.data_index = cur_index;
dev.buttons << bi;
++cur_index;
// piCout << b << (start_bit / 8) << (start_bit % 8);
}
} else {
bi.index = dev.buttons.size_s();
bi.data_index = bc.NotRange.DataIndex;
dev.buttons << bi;
// piCout << (bi.bit / 8) << (bi.bit % 8);
}
// piCout << bc.IsRange << bc.Range.UsageMin << bc.Range.UsageMax
// << bc.Range.DataIndexMin << bc.Range.DataIndexMax;
}
HidD_FreePreparsedData(preparsed);
CloseHandle(deviceHandle);
if (dev.buttonsCount() > 0 || dev.axesCount() > 0) ret << dev;
}
SetupDiDestroyDeviceInfoList(deviceInfoSet);
#endif
return ret;
}
PIHIDeviceInfo PIHIDevice::findDevice(const PIString & name) {
if (name.isEmpty()) return PIHIDeviceInfo();
auto devices = PIHIDevice::allDevices();
for (auto d: devices) {
if (d.match(name)) return d;
}
return PIHIDeviceInfo();
}

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@@ -0,0 +1,121 @@
/*! \file pihidevice.h
* \ingroup System
* \~\brief
* \~english HID device
* \~russian HID устройство
*/
/*
PIP - Platform Independent Primitives
HID device
Ivan Pelipenko peri4ko@yandex.ru
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef PIHIDEVICE_H
#define PIHIDEVICE_H
#include "pithread.h"
struct PIP_EXPORT PIHIDeviceInfo {
friend class PIHIDevice;
struct PIP_EXPORT ValueInfoBase {
bool isValid() const { return index >= 0; }
int index = -1;
int data_index = -1;
};
struct PIP_EXPORT AxisInfo: public ValueInfoBase {
int bits = 0;
int min = 0;
int max = 1;
bool is_relative = false;
};
struct PIP_EXPORT ButtonInfo: public ValueInfoBase {
int code = 0;
};
PIString path;
PIString manufacturer;
PIString product;
PIString serial;
PIString version;
PIString VID;
PIString PID;
PIVector<AxisInfo> axes;
PIVector<ButtonInfo> buttons;
bool isNull() const { return path.isEmpty(); }
bool isNotNull() const { return !isNull(); }
bool match(const PIString & str) const;
int axesCount() const { return axes.size_s(); }
int axesAbsoluteCount() const;
int axesRelativeCount() const;
int buttonsCount() const { return buttons.size_s(); }
private:
void prepare();
PIMap<int, AxisInfo> axis_by_dataindex;
PIMap<int, ButtonInfo> button_by_dataindex;
int input_report_size = 0;
int output_report_size = 0;
int feature_report_size = 0;
};
PIP_EXPORT PICout operator<<(PICout s, const PIHIDeviceInfo & v);
class PIP_EXPORT PIHIDevice: public PIThread {
PIOBJECT_SUBCLASS(PIHIDevice, PIThread)
public:
~PIHIDevice();
struct PIP_EXPORT Event {
enum Type {
tNone,
tButton,
tAxisMove,
};
Type type = tNone;
PIHIDeviceInfo::AxisInfo axis;
PIHIDeviceInfo::ButtonInfo button;
float value = 0.;
};
bool isOpened() const;
bool open(const PIHIDeviceInfo & device);
void close();
void start();
void stop();
void setDeadZone(float v) { dead_zone = v; }
float deadZone() const { return dead_zone; }
EVENT1(event, PIHIDevice::Event, e);
static PIVector<PIHIDeviceInfo> allDevices(bool try_open = true);
static PIHIDeviceInfo findDevice(const PIString & name);
private:
void run() override;
double procDeadZone(double in);
PRIVATE_DECLARATION(PIP_EXPORT)
PIHIDeviceInfo di;
PIMap<int, float> prev_axes, cur_axes;
PIMap<int, int> prev_buttons, cur_buttons;
float dead_zone = 0.f;
};
#endif

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@@ -22,7 +22,7 @@
You should have received a copy of the GNU Lesser General Public License You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. along with this program. If not, see <http://www.gnu.org/licenses/>.
*/ */
#
#ifndef PILIBRARY_H #ifndef PILIBRARY_H
#define PILIBRARY_H #define PILIBRARY_H

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@@ -53,6 +53,7 @@
#ifndef PISYSTEMMODULE_H #ifndef PISYSTEMMODULE_H
#define PISYSTEMMODULE_H #define PISYSTEMMODULE_H
#include "pihidevice.h"
#include "pilibrary.h" #include "pilibrary.h"
#include "piplugin.h" #include "piplugin.h"
#include "piprocess.h" #include "piprocess.h"