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Merge branch 'hdiapi-implementation'

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Lucas 2024-09-22 00:01:21 +02:00
commit 612cfb7877
12 changed files with 1261 additions and 9 deletions
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1
SkyPortal.uplugin
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@ -21,6 +21,5 @@
"LoadingPhase": "PostDefault" "LoadingPhase": "PostDefault"
} }
], ],
"IsExperimentalVersion": false,
"Sealed": true "Sealed": true
} }

424
Source/SkyPortal/Private/SkyPortalSubsystem.cpp
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@ -1,16 +1,434 @@
// A lot of this code is made because of the work of https://github.com/capull0/SkyDumper and https://github.com/silicontrip/SkyReader
#include "SkyPortalSubsystem.h" #include "SkyPortalSubsystem.h"
#include "Engine/Engine.h" #include "Engine/Engine.h"
DEFINE_LOG_CATEGORY(LogHIDApi);
DEFINE_LOG_CATEGORY(LogSkyportalIO);
void USkyPortalSubsystem::Initialize(FSubsystemCollectionBase& Collection) void USkyPortalSubsystem::Initialize(FSubsystemCollectionBase& Collection)
{ {
Super::Initialize(Collection); Super::Initialize(Collection);
// Custom initialization logic // Custom initialization logic
UE_LOG(LogTemp, Warning, TEXT("SkyPortalSubsystem Initialized")); UE_LOG(LogTemp, Log, TEXT("SkyPortalSubsystem Initialized"));
// Initialize HIDAPI
/*May be not needed
int res = hid_init();
if (res == 0)
{
UE_LOG(LogHIDApi, Log, TEXT("HIDAPI initialized successfully."));
}
else
{
UE_LOG(LogHIDApi, Error, TEXT("Failed to initialize HIDAPI."));
HidError = hid_error(NULL);
UE_LOG(LogHIDApi, Error, TEXT("%s"), *HidError);
}
*/
} }
void USkyPortalSubsystem::Deinitialize() void USkyPortalSubsystem::Deinitialize()
{ {
// Custom cleanup logic // Disconnect portal
UE_LOG(LogTemp, Warning, TEXT("SkyPortalSubsystem Deinitialized")); if (PortalDevice) {
hid_close(PortalDevice);
}
hid_exit();
UE_LOG(LogTemp, Log, TEXT("SkyPortalSubsystem Deinitialized"));
Super::Deinitialize(); Super::Deinitialize();
} }
// Antenna up / activate
void USkyPortalSubsystem::ActivatePortal(int active)
{
RWBlock req, res;
memset(req.buf, 0, rw_buf_size);
req.buf[1] = 'A';
req.buf[2] = active;
do { Write(&req); } while (CheckResponse(&res, 'A'));
}
// Start portal
void USkyPortalSubsystem::RestartPortal()
{
RWBlock req, res;
memset(req.buf, 0, rw_buf_size);
req.buf[1] = 'R';
do { Write(&req); } while (CheckResponse(&res, 'R'));
}
/*
Number of endpoints : 2
found an IN End Point 0 with attributes interrupt and address 0x1
found an OUT End Point 1 with attributes interrupt and address 0x1
*/
bool USkyPortalSubsystem::OpenPortalHandle() {
//reset
if (PortalDevice) {
hid_close(PortalDevice);
}
/*
Declare two pointers to hold information about HID devices.
"list" will point to the head of the linked list of devices,
"attributes" will be used to iterate through the list.
*/
struct hid_device_info* list, * attributes;
list = hid_enumerate(0x0, 0x0);
// If `list` is NULL, that means no devices were found or there was an error.
// In this case, print an error message and terminate the program.
if (!list) {
UE_LOG(LogHIDApi, Error, TEXT("No devices found"));
// Get the error message from the HIDAPI
HidError = hid_error(NULL);
UE_LOG(LogHIDApi, Error, TEXT("%s"), *HidError);
return false;
}
attributes = list;
// Iterate through the linked list of devices
int vendorCount = sizeof(VendorIds) / sizeof(VendorIds[0]);
int productCount = sizeof(ProductIds) / sizeof(ProductIds[0]);
while (attributes) {
// Check if the devices match any of vendor_id and product_id
for (int i = 0; i < vendorCount; i++) {
for (int j = 0; j < productCount; j++) {
if (attributes->vendor_id == VendorIds[i] && attributes->product_id == ProductIds[j]) {
UE_LOG(LogHIDApi, Display, TEXT("Portal found"));
UE_LOG(LogHIDApi, Log, TEXT("Vendor ID: 0x%x, Product ID: 0x%x"), attributes->vendor_id, attributes->product_id);
PortalDevice = hid_open(attributes->vendor_id, attributes->product_id, NULL);
if (PortalDevice) {
UE_LOG(LogHIDApi, Display, TEXT("Successful connection to Portal."));
// Free the device list
hid_free_enumeration(list);
//bPortalConnected = true;
return true;
}
break;
}
}
}
// Move to the next device in the list
attributes = attributes->next;
}
// Free the device list
hid_free_enumeration(list);
UE_LOG(LogHIDApi, Error, TEXT("No Portals found"));
return false;
}
//{ Region Color & light functions
void USkyPortalSubsystem::ChangePortalColor(const FLinearColor& Color)
{
unsigned char r = FMath::Clamp(Color.R * 100, 0.0f, 100.0f);
unsigned char g = FMath::Clamp(Color.G * 100, 0.0f, 100.0f);
unsigned char b = FMath::Clamp(Color.B * 100, 0.0f, 100.0f);
RWBlock req;
memset(req.buf, 0, rw_buf_size);
req.buf[1] = 'C';
req.buf[2] = r; // R
req.buf[3] = g; // G
req.buf[4] = b; // B
// no response for this one.
Write(&req);
}
void USkyPortalSubsystem::ChangePortalColorside(const FLinearColor& Color, const EPortalSide PortalSide, const float BlendTime )
{
if (PortalSide == EPortalSide::TRAP) {
UE_LOG(LogSkyportalIO, Error, TEXT("This function should only be called for the left or right side of the portal"));
return;
}
unsigned char r = FMath::Clamp(Color.R * 100, 0.0f, 100.0f);
unsigned char g = FMath::Clamp(Color.G * 100, 0.0f, 100.0f);
unsigned char b = FMath::Clamp(Color.B * 100, 0.0f, 100.0f);
RWBlock req, res;
memset(req.buf, 0, rw_buf_size);
req.buf[1] = 'J';
switch (PortalSide) {
case EPortalSide::LEFT:
req.buf[2] = 0x00;
case EPortalSide::RIGHT:
req.buf[2] = 0x02;
case EPortalSide::BOTH:
req.buf[2] = 0x01; //maybe that doesnt work, will give it a try
}
req.buf[3] = r; // R
req.buf[4] = g; // G
req.buf[5] = b; // B
//Convert the time in millisecond into two bytes
uint16_t _time = BlendTime;
uint8_t _time_low = _time & 0xFF; // Get the low byte by masking the least significant 8 bits
uint8_t _time_high = (_time >> 8) & 0xFF; // Get the high byte extracted by shifting the bits 8 positions to the right and masking the result
req.buf[6] = _time_low;
req.buf[7] = _time_high;
do { Write(&req); } while (CheckResponse(&res, 'J'));
}
//}
// write function need to be different on windows, as hid_write doesn't work with the way windows handle I/O
#if PLATFORM_WINDOWS
#include <Windows.h>
#define HID_CTL_CODE(id) \
CTL_CODE(FILE_DEVICE_KEYBOARD, (id), METHOD_NEITHER, FILE_ANY_ACCESS)
#define HID_IN_CTL_CODE(id) \
CTL_CODE(FILE_DEVICE_KEYBOARD, (id), METHOD_IN_DIRECT, FILE_ANY_ACCESS)
#define IOCTL_HID_SET_OUTPUT_REPORT HID_IN_CTL_CODE(101)
struct hid_device_ {
HANDLE device_handle;
BOOL blocking;
USHORT output_report_length;
unsigned char* write_buf;
size_t input_report_length;
USHORT feature_report_length;
unsigned char* feature_buf;
wchar_t* last_error_str;
BOOL read_pending;
char* read_buf;
OVERLAPPED ol;
OVERLAPPED write_ol;
struct hid_device_info* device_info;
};
void USkyPortalSubsystem::Write(RWBlock* pb)
{
if (!ensure(PortalDevice)) {
UE_LOG(LogSkyportalIO, Error, TEXT("No Portal found"));
return;
}
BOOL res;
OVERLAPPED ol;
memset(&ol, 0, sizeof(ol));
DWORD bytes_returned;
res = DeviceIoControl(PortalDevice->device_handle,
IOCTL_HID_SET_OUTPUT_REPORT,
(unsigned char*)pb->buf, 0x21,
(unsigned char*)pb->buf, 0x21,
&bytes_returned, &ol);
ensureMsgf(res, TEXT("Unable to write to Portal"));
}
#else
void USkyPortalSubsystem::Write(RWBlock *pb) {
if (!ensure(PortalDevice)) {
UE_LOG(LogSkyportalIO, Error, TEXT("No Portal found"));
return;
}
pb->buf[0] = 0; // Use report 0
ensureMsgf(hid_write(PortalDevice, pb->buf, 0x21) != -1, TEXT("Unable to write to Portal, %s"), hid_error(PortalDevice));
UE_LOG(LogSkyportalIO, Error, TEXT("Unable to write to Portal. error:\n %s"), hid_error(PortalDevice));
}
#endif
void USkyPortalSubsystem::Sleep(int sleepMs) {
FPlatformProcess::Sleep(sleepMs * 0.0001);
}
// TODO: Refacto this function to handle better the response/output from the portal
bool USkyPortalSubsystem::CheckResponse(RWBlock *res, char expect)
{
if (!PortalDevice) {
return false;
}
int b = hid_read_timeout(PortalDevice, res->buf, rw_buf_size, TIMEOUT);
if (b < 0) {
UE_LOG(LogSkyportalIO, Error, TEXT("Unable to read Skylander from Portal.\n"));
return false;
}
res->BytesTransferred = b;
/* this is here to debug the different responses from the portal.
#if DEBUG
SkylanderIO* skio;
skio = new SkylanderIO();
printf("<<<\n");
skio->fprinthex(stdout, res->buf, 0x21);
delete skio;
#endif
*/
// found wireless USB but portal is not connected
if (res->buf[0] == 'Z')
{
UE_LOG(LogSkyportalIO, Error, TEXT("found wireless USB but portal is not connected"));
return false;
}
// Status says no skylander on portal
if (res->buf[0] == 'Q' && res->buf[1] == 0) {
UE_LOG(LogSkyportalIO, Warning, TEXT("Status says no skylander on portal"));
}
if (res->buf[0] == 'R' && res->buf[1] == 0) {
UE_LOG(LogSkyportalIO, Warning, TEXT("Status says no skylander on portal"));
}
return (res->buf[0] != expect);
}
bool USkyPortalSubsystem::WriteBlock(unsigned int block, unsigned char data[0x10], int skylander) {
RWBlock req, res; //request and response buffer
unsigned char verify[0x10]; // A 16-byte array used to verify the data that was written to the portal.
UE_LOG(LogSkyportalIO, Verbose, TEXT("Trying to write the current block :%X\n"), block);
// Trying to write 3 times
for (int retries = 0; retries < 3; retries++) {
// Write request
// W 57 10 <block number> <0x10 bytes of data>
memset(req.buf, 0, rw_buf_size);//Reset request buffer
req.buf[1] = 'W';
req.buf[2] = 0x10 + skylander;
req.buf[3] = (unsigned char)block;
memcpy(req.buf + 4, data, 0x10);
do { Write(&req); } while (CheckResponse(&res, 'W'));
Sleep(100); //Wait 0.1 seconds for write to take effect
memset(verify, 0xCD, sizeof(verify)); // 0xCD is a placeholder value
ReadBlock(block, verify, skylander);
if (memcmp(data, verify, sizeof(verify))) {
UE_LOG(LogSkyportalIO, Error, TEXT("verification of the written block failed"));
continue; //retry
}
UE_LOG(LogSkyportalIO, Verbose, TEXT("block successfully written"));
return true;
}
UE_LOG(LogSkyportalIO, Fatal, TEXT("failed to write block"));
return false;
}
bool USkyPortalSubsystem::ReadBlock(unsigned int block, unsigned char data[0x10], int skylander) {
RWBlock req, res; //request and response buffers
unsigned char followup;
UE_LOG(LogSkyportalIO, Verbose, TEXT("PortalIO:ReadBlock :%X"), block);
// Checking if the block is not out of range
if (!ensure(block < 0x40)) {
UE_LOG(LogSkyportalIO, Error, TEXT("PortalIO:ReadBlock failed, block out of range"));
return false; // Early return instead of throwing an exception
}
// Send query request
// Trying to read data 15x
for (int attempt = 0; attempt < 15; attempt++)
{
int i = 0;
memset(req.buf, 0, rw_buf_size); // Clear the request buffer (initialize all bytes to zero)
req.buf[1] = 'Q';
followup = 0x10 + skylander;
req.buf[2] = followup;
if (block == 0) {
req.buf[2] = followup + 0x10; // may not be needed
}
req.buf[3] = (unsigned char)block;
memset(&(res.buf), 0, rw_buf_size); // Clear the response buffer to prepare for incoming data
do { Write(&req); } while (CheckResponse(&res, 'Q'));
if (res.buf[0] == 'Q' && res.buf[2] == (unsigned char)block) {
// Got our query back
if (res.buf[1] == followup) {
// got the query back with no error
memcpy(data, res.buf + 3, 0x10);
UE_LOG(LogSkyportalIO, Verbose, TEXT("PortalIO:ReadBlock success"));
return true;
}
}
} // retries
UE_LOG(LogSkyportalIO, Fatal, TEXT("PortalIO:ReadBlock failed after retries"));
ensureMsgf(false, TEXT("PortalIO: Failed to read block after multiple retries"));
return false;
}
bool USkyPortalSubsystem::ConnectPortal()
{
bPortalConnected = OpenPortalHandle();
if (bPortalConnected) {
RestartPortal();
ActivatePortal(1);
Sleep(500);
ChangePortalColor(FLinearColor(0xC8, 0xC8, 0xC8));
UE_LOG(LogSkyportalIO, Log, TEXT("Portal Status: %d\n"), PortalStatus());
}
return bPortalConnected;
}
unsigned char USkyPortalSubsystem::PortalStatus()
{
RWBlock req, res;
memset(req.buf, 0, rw_buf_size);
req.buf[1] = 'S';
do { Write(&req); } while (CheckResponse(&res, 'S'));
return res.buf[1];
}

102
Source/SkyPortal/Public/SkyPortalSubsystem.h
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@ -2,15 +2,113 @@
#include "CoreMinimal.h" #include "CoreMinimal.h"
#include "Subsystems/EngineSubsystem.h" #include "Subsystems/EngineSubsystem.h"
#include "hidapi.h"
#include "SkyPortalSubsystem.generated.h" #include "SkyPortalSubsystem.generated.h"
UCLASS()
class SKYPORTAL_API USkyPortalSubsystem : public UEngineSubsystem UENUM(BlueprintType)
enum EPortalSide {
LEFT UMETA(DisplayName = "Left side"),
RIGHT UMETA(DisplayName = "Right side"),
BOTH UMETA(DisplayName = "Both left and right"),
TRAP UMETA(DisplayName = "Trap")
};
/* Macro Definitions */
#define rw_buf_size 0x21
#define TIMEOUT 30000
#define DEBUG true
DECLARE_LOG_CATEGORY_EXTERN(LogHIDApi, Log, All);
DECLARE_LOG_CATEGORY_EXTERN(LogSkyportalIO, Log, All);
/* Subsystem */
UCLASS(MinimalAPI)
class USkyPortalSubsystem : public UEngineSubsystem
{ {
GENERATED_BODY() GENERATED_BODY()
//Portal ref used in the subsystem
hid_device* PortalDevice;
public: public:
// Override initialization and deinitialization methods // Override initialization and deinitialization methods
virtual void Initialize(FSubsystemCollectionBase& Collection) override; virtual void Initialize(FSubsystemCollectionBase& Collection) override;
virtual void Deinitialize() override; virtual void Deinitialize() override;
// Connect to Portal, return false if portal is not found
UFUNCTION(BlueprintCallable, CallInEditor, meta = (Category = "SkyPortal"))
SKYPORTAL_API bool ConnectPortal();
UPROPERTY(VisibleAnywhere, BlueprintReadOnly)
bool bPortalConnected = false;
FString HidError;
/* Portal Actions*/
// Change portal color, ideally should be called just at the start. For gameplay usage, use ChangePortalColorside()
UFUNCTION(BlueprintCallable, CallInEditor, meta = (AutoCreateRefTerm = "Color", Category = "SkyPortal|Cosmetic"))
SKYPORTAL_API void ChangePortalColor(const FLinearColor& Color = FLinearColor::Green);
/**
* Change the color of the portal, can separate side and even trap ligth
* @param PortalSide The actors to record
* @param BlendTime Blend between current color and NextColor
*/
UFUNCTION(BlueprintCallable, CallInEditor, meta = (AutoCreateRefTerm = "NextColor", Category = "SkyPortal|Cosmetic"))
SKYPORTAL_API void ChangePortalColorside(const FLinearColor& NextColor = FLinearColor::Green,const EPortalSide PortalSide = EPortalSide::BOTH,const float BlendTime=100.0f);
unsigned char PortalStatus();
private:
typedef struct {
unsigned char buf[rw_buf_size]; int BytesTransferred;
} RWBlock;
static void Sleep(int sleepMs);
void ActivatePortal(int active);
void RestartPortal();
// Block/byte related data write/read functions
bool OpenPortalHandle();
bool ReadBlock(unsigned int block, unsigned char data[0x10], int skylander);
bool WriteBlock(unsigned int, unsigned char[0x10], int);
bool CheckResponse(RWBlock *, char);
void Write(RWBlock *);
protected:
//Constants
const int VendorIds[4] = { 0x12ba, 0x54c, 0x1430, 0x1430 };
const int ProductIds[4] = { 0x150, 0x967, 0x1f17 };
/////Defaults values, should not be used
//const int VendorId = 5168;
//const int ProductId = 336;
}; };

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Source/SkyPortal/SkyPortal.Build.cs
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@ -1,17 +1,52 @@
// Copyright Epic Games, Inc. All Rights Reserved. // Copyright Epic Games, Inc. All Rights Reserved.
using System.IO;
using UnrealBuildTool; using UnrealBuildTool;
public class SkyPortal : ModuleRules public class SkyPortal : ModuleRules
{ {
public SkyPortal(ReadOnlyTargetRules Target) : base(Target) public SkyPortal(ReadOnlyTargetRules Target) : base(Target)
{ {
PCHUsage = ModuleRules.PCHUsageMode.UseExplicitOrSharedPCHs; bPrecompile = true;
// Add the path to the hidapi include directory
PublicIncludePaths.Add(Path.Combine(PluginDirectory, "ThirdParty", "hidapi", "include"));
// Check platform-specific settings
if (Target.Platform == UnrealTargetPlatform.Win64)
{
// Add the path to the library (for Windows platform)
PublicSystemLibraryPaths.Add(Path.Combine(PluginDirectory, "ThirdParty", "hidapi", "lib", "Windows"));
// Link against the hidapi.lib (static library)
PublicAdditionalLibraries.Add(Path.Combine(PluginDirectory, "ThirdParty", "hidapi", "lib", "Windows", "hidapi.lib"));
// Add runtime library path for the .dll (dynamic library)
PublicRuntimeLibraryPaths.Add(Path.Combine(PluginDirectory, "ThirdParty", "hidapi", "bin", "Windows"));
// Copy the DLL to the output folder, if using dynamic linking
RuntimeDependencies.Add("$(BinaryOutputDir)/hidapi.dll", Path.Combine(PluginDirectory, "ThirdParty", "hidapi", "bin", "Windows", "hidapi.dll"));
}
else if (Target.Platform == UnrealTargetPlatform.Mac)
{
PublicSystemLibraryPaths.Add(Path.Combine(PluginDirectory, "ThirdParty", "hidapi", "lib", "Mac"));
PublicAdditionalLibraries.Add("hidapi.a");
// Handle Mac-specific dynamic linking
RuntimeDependencies.Add("$(BinaryOutputDir)/hidapi.dylib", Path.Combine(PluginDirectory, "ThirdParty", "hidapi", "bin", "Mac", "hidapi.dylib"));
}
else if (Target.Platform == UnrealTargetPlatform.Linux)
{
PublicSystemLibraryPaths.Add(Path.Combine(PluginDirectory, "ThirdParty", "hidapi", "lib", "Linux"));
PublicAdditionalLibraries.Add("hidapi.a");
RuntimeDependencies.Add("$(BinaryOutputDir)/hidapi.so", Path.Combine(PluginDirectory, "ThirdParty", "hidapi", "bin", "Linux", "hidapi.so"));
}
PublicIncludePaths.AddRange( PublicIncludePaths.AddRange(
new string[] { new string[] {
// ... add public include paths required here ...
} }
); );

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628
ThirdParty/hidapi/include/hidapi.h vendored Normal file
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@ -0,0 +1,628 @@
/*******************************************************
HIDAPI - Multi-Platform library for
communication with HID devices.
Alan Ott
Signal 11 Software
libusb/hidapi Team
Copyright 2023, All Rights Reserved.
At the discretion of the user of this library,
this software may be licensed under the terms of the
GNU General Public License v3, a BSD-Style license, or the
original HIDAPI license as outlined in the LICENSE.txt,
LICENSE-gpl3.txt, LICENSE-bsd.txt, and LICENSE-orig.txt
files located at the root of the source distribution.
These files may also be found in the public source
code repository located at:
https://github.com/libusb/hidapi .
********************************************************/
/** @file
* @defgroup API hidapi API
*/
#ifndef HIDAPI_H__
#define HIDAPI_H__
#include <wchar.h>
/* #480: this is to be refactored properly for v1.0 */
#ifdef _WIN32
#ifndef HID_API_NO_EXPORT_DEFINE
#define HID_API_EXPORT __declspec(dllexport)
#endif
#endif
#ifndef HID_API_EXPORT
#define HID_API_EXPORT /**< API export macro */
#endif
/* To be removed in v1.0 */
#define HID_API_CALL /**< API call macro */
#define HID_API_EXPORT_CALL HID_API_EXPORT HID_API_CALL /**< API export and call macro*/
/** @brief Static/compile-time major version of the library.
@ingroup API
*/
#define HID_API_VERSION_MAJOR 0
/** @brief Static/compile-time minor version of the library.
@ingroup API
*/
#define HID_API_VERSION_MINOR 14
/** @brief Static/compile-time patch version of the library.
@ingroup API
*/
#define HID_API_VERSION_PATCH 0
/* Helper macros */
#define HID_API_AS_STR_IMPL(x) #x
#define HID_API_AS_STR(x) HID_API_AS_STR_IMPL(x)
#define HID_API_TO_VERSION_STR(v1, v2, v3) HID_API_AS_STR(v1.v2.v3)
/** @brief Coverts a version as Major/Minor/Patch into a number:
<8 bit major><16 bit minor><8 bit patch>.
This macro was added in version 0.12.0.
Convenient function to be used for compile-time checks, like:
@code{.c}
#if HID_API_VERSION >= HID_API_MAKE_VERSION(0, 12, 0)
@endcode
@ingroup API
*/
#define HID_API_MAKE_VERSION(mj, mn, p) (((mj) << 24) | ((mn) << 8) | (p))
/** @brief Static/compile-time version of the library.
This macro was added in version 0.12.0.
@see @ref HID_API_MAKE_VERSION.
@ingroup API
*/
#define HID_API_VERSION HID_API_MAKE_VERSION(HID_API_VERSION_MAJOR, HID_API_VERSION_MINOR, HID_API_VERSION_PATCH)
/** @brief Static/compile-time string version of the library.
@ingroup API
*/
#define HID_API_VERSION_STR HID_API_TO_VERSION_STR(HID_API_VERSION_MAJOR, HID_API_VERSION_MINOR, HID_API_VERSION_PATCH)
/** @brief Maximum expected HID Report descriptor size in bytes.
Since version 0.13.0, @ref HID_API_VERSION >= HID_API_MAKE_VERSION(0, 13, 0)
@ingroup API
*/
#define HID_API_MAX_REPORT_DESCRIPTOR_SIZE 4096
#ifdef __cplusplus
extern "C" {
#endif
/** A structure to hold the version numbers. */
struct hid_api_version {
int major; /**< major version number */
int minor; /**< minor version number */
int patch; /**< patch version number */
};
struct hid_device_;
typedef struct hid_device_ hid_device; /**< opaque hidapi structure */
/** @brief HID underlying bus types.
@ingroup API
*/
typedef enum {
/** Unknown bus type */
HID_API_BUS_UNKNOWN = 0x00,
/** USB bus
Specifications:
https://usb.org/hid */
HID_API_BUS_USB = 0x01,
/** Bluetooth or Bluetooth LE bus
Specifications:
https://www.bluetooth.com/specifications/specs/human-interface-device-profile-1-1-1/
https://www.bluetooth.com/specifications/specs/hid-service-1-0/
https://www.bluetooth.com/specifications/specs/hid-over-gatt-profile-1-0/ */
HID_API_BUS_BLUETOOTH = 0x02,
/** I2C bus
Specifications:
https://docs.microsoft.com/previous-versions/windows/hardware/design/dn642101(v=vs.85) */
HID_API_BUS_I2C = 0x03,
/** SPI bus
Specifications:
https://www.microsoft.com/download/details.aspx?id=103325 */
HID_API_BUS_SPI = 0x04,
} hid_bus_type;
/** hidapi info structure */
struct hid_device_info {
/** Platform-specific device path */
char *path;
/** Device Vendor ID */
unsigned short vendor_id;
/** Device Product ID */
unsigned short product_id;
/** Serial Number */
wchar_t *serial_number;
/** Device Release Number in binary-coded decimal,
also known as Device Version Number */
unsigned short release_number;
/** Manufacturer String */
wchar_t *manufacturer_string;
/** Product string */
wchar_t *product_string;
/** Usage Page for this Device/Interface
(Windows/Mac/hidraw only) */
unsigned short usage_page;
/** Usage for this Device/Interface
(Windows/Mac/hidraw only) */
unsigned short usage;
/** The USB interface which this logical device
represents.
Valid only if the device is a USB HID device.
Set to -1 in all other cases.
*/
int interface_number;
/** Pointer to the next device */
struct hid_device_info *next;
/** Underlying bus type
Since version 0.13.0, @ref HID_API_VERSION >= HID_API_MAKE_VERSION(0, 13, 0)
*/
hid_bus_type bus_type;
};
/** @brief Initialize the HIDAPI library.
This function initializes the HIDAPI library. Calling it is not
strictly necessary, as it will be called automatically by
hid_enumerate() and any of the hid_open_*() functions if it is
needed. This function should be called at the beginning of
execution however, if there is a chance of HIDAPI handles
being opened by different threads simultaneously.
@ingroup API
@returns
This function returns 0 on success and -1 on error.
Call hid_error(NULL) to get the failure reason.
*/
int HID_API_EXPORT HID_API_CALL hid_init(void);
/** @brief Finalize the HIDAPI library.
This function frees all of the static data associated with
HIDAPI. It should be called at the end of execution to avoid
memory leaks.
@ingroup API
@returns
This function returns 0 on success and -1 on error.
*/
int HID_API_EXPORT HID_API_CALL hid_exit(void);
/** @brief Enumerate the HID Devices.
This function returns a linked list of all the HID devices
attached to the system which match vendor_id and product_id.
If @p vendor_id is set to 0 then any vendor matches.
If @p product_id is set to 0 then any product matches.
If @p vendor_id and @p product_id are both set to 0, then
all HID devices will be returned.
@ingroup API
@param vendor_id The Vendor ID (VID) of the types of device
to open.
@param product_id The Product ID (PID) of the types of
device to open.
@returns
This function returns a pointer to a linked list of type
struct #hid_device_info, containing information about the HID devices
attached to the system,
or NULL in the case of failure or if no HID devices present in the system.
Call hid_error(NULL) to get the failure reason.
@note The returned value by this function must to be freed by calling hid_free_enumeration(),
when not needed anymore.
*/
struct hid_device_info HID_API_EXPORT * HID_API_CALL hid_enumerate(unsigned short vendor_id, unsigned short product_id);
/** @brief Free an enumeration Linked List
This function frees a linked list created by hid_enumerate().
@ingroup API
@param devs Pointer to a list of struct_device returned from
hid_enumerate().
*/
void HID_API_EXPORT HID_API_CALL hid_free_enumeration(struct hid_device_info *devs);
/** @brief Open a HID device using a Vendor ID (VID), Product ID
(PID) and optionally a serial number.
If @p serial_number is NULL, the first device with the
specified VID and PID is opened.
@ingroup API
@param vendor_id The Vendor ID (VID) of the device to open.
@param product_id The Product ID (PID) of the device to open.
@param serial_number The Serial Number of the device to open
(Optionally NULL).
@returns
This function returns a pointer to a #hid_device object on
success or NULL on failure.
Call hid_error(NULL) to get the failure reason.
@note The returned object must be freed by calling hid_close(),
when not needed anymore.
*/
HID_API_EXPORT hid_device * HID_API_CALL hid_open(unsigned short vendor_id, unsigned short product_id, const wchar_t *serial_number);
/** @brief Open a HID device by its path name.
The path name be determined by calling hid_enumerate(), or a
platform-specific path name can be used (eg: /dev/hidraw0 on
Linux).
@ingroup API
@param path The path name of the device to open
@returns
This function returns a pointer to a #hid_device object on
success or NULL on failure.
Call hid_error(NULL) to get the failure reason.
@note The returned object must be freed by calling hid_close(),
when not needed anymore.
*/
HID_API_EXPORT hid_device * HID_API_CALL hid_open_path(const char *path);
/** @brief Write an Output report to a HID device.
The first byte of @p data[] must contain the Report ID. For
devices which only support a single report, this must be set
to 0x0. The remaining bytes contain the report data. Since
the Report ID is mandatory, calls to hid_write() will always
contain one more byte than the report contains. For example,
if a hid report is 16 bytes long, 17 bytes must be passed to
hid_write(), the Report ID (or 0x0, for devices with a
single report), followed by the report data (16 bytes). In
this example, the length passed in would be 17.
hid_write() will send the data on the first OUT endpoint, if
one exists. If it does not, it will send the data through
the Control Endpoint (Endpoint 0).
@ingroup API
@param dev A device handle returned from hid_open().
@param data The data to send, including the report number as
the first byte.
@param length The length in bytes of the data to send.
@returns
This function returns the actual number of bytes written and
-1 on error.
Call hid_error(dev) to get the failure reason.
*/
int HID_API_EXPORT HID_API_CALL hid_write(hid_device *dev, const unsigned char *data, size_t length);
/** @brief Read an Input report from a HID device with timeout.
Input reports are returned
to the host through the INTERRUPT IN endpoint. The first byte will
contain the Report number if the device uses numbered reports.
@ingroup API
@param dev A device handle returned from hid_open().
@param data A buffer to put the read data into.
@param length The number of bytes to read. For devices with
multiple reports, make sure to read an extra byte for
the report number.
@param milliseconds timeout in milliseconds or -1 for blocking wait.
@returns
This function returns the actual number of bytes read and
-1 on error.
Call hid_error(dev) to get the failure reason.
If no packet was available to be read within
the timeout period, this function returns 0.
*/
int HID_API_EXPORT HID_API_CALL hid_read_timeout(hid_device *dev, unsigned char *data, size_t length, int milliseconds);
/** @brief Read an Input report from a HID device.
Input reports are returned
to the host through the INTERRUPT IN endpoint. The first byte will
contain the Report number if the device uses numbered reports.
@ingroup API
@param dev A device handle returned from hid_open().
@param data A buffer to put the read data into.
@param length The number of bytes to read. For devices with
multiple reports, make sure to read an extra byte for
the report number.
@returns
This function returns the actual number of bytes read and
-1 on error.
Call hid_error(dev) to get the failure reason.
If no packet was available to be read and
the handle is in non-blocking mode, this function returns 0.
*/
int HID_API_EXPORT HID_API_CALL hid_read(hid_device *dev, unsigned char *data, size_t length);
/** @brief Set the device handle to be non-blocking.
In non-blocking mode calls to hid_read() will return
immediately with a value of 0 if there is no data to be
read. In blocking mode, hid_read() will wait (block) until
there is data to read before returning.
Nonblocking can be turned on and off at any time.
@ingroup API
@param dev A device handle returned from hid_open().
@param nonblock enable or not the nonblocking reads
- 1 to enable nonblocking
- 0 to disable nonblocking.
@returns
This function returns 0 on success and -1 on error.
Call hid_error(dev) to get the failure reason.
*/
int HID_API_EXPORT HID_API_CALL hid_set_nonblocking(hid_device *dev, int nonblock);
/** @brief Send a Feature report to the device.
Feature reports are sent over the Control endpoint as a
Set_Report transfer. The first byte of @p data[] must
contain the Report ID. For devices which only support a
single report, this must be set to 0x0. The remaining bytes
contain the report data. Since the Report ID is mandatory,
calls to hid_send_feature_report() will always contain one
more byte than the report contains. For example, if a hid
report is 16 bytes long, 17 bytes must be passed to
hid_send_feature_report(): the Report ID (or 0x0, for
devices which do not use numbered reports), followed by the
report data (16 bytes). In this example, the length passed
in would be 17.
@ingroup API
@param dev A device handle returned from hid_open().
@param data The data to send, including the report number as
the first byte.
@param length The length in bytes of the data to send, including
the report number.
@returns
This function returns the actual number of bytes written and
-1 on error.
Call hid_error(dev) to get the failure reason.
*/
int HID_API_EXPORT HID_API_CALL hid_set_output_report(hid_device* device, const unsigned char* data, size_t length);
int HID_API_EXPORT HID_API_CALL hid_send_feature_report(hid_device *dev, const unsigned char *data, size_t length);
/** @brief Get a feature report from a HID device.
Set the first byte of @p data[] to the Report ID of the
report to be read. Make sure to allow space for this
extra byte in @p data[]. Upon return, the first byte will
still contain the Report ID, and the report data will
start in data[1].
@ingroup API
@param dev A device handle returned from hid_open().
@param data A buffer to put the read data into, including
the Report ID. Set the first byte of @p data[] to the
Report ID of the report to be read, or set it to zero
if your device does not use numbered reports.
@param length The number of bytes to read, including an
extra byte for the report ID. The buffer can be longer
than the actual report.
@returns
This function returns the number of bytes read plus
one for the report ID (which is still in the first
byte), or -1 on error.
Call hid_error(dev) to get the failure reason.
*/
int HID_API_EXPORT HID_API_CALL hid_get_feature_report(hid_device *dev, unsigned char *data, size_t length);
/** @brief Get a input report from a HID device.
Since version 0.10.0, @ref HID_API_VERSION >= HID_API_MAKE_VERSION(0, 10, 0)
Set the first byte of @p data[] to the Report ID of the
report to be read. Make sure to allow space for this
extra byte in @p data[]. Upon return, the first byte will
still contain the Report ID, and the report data will
start in data[1].
@ingroup API
@param dev A device handle returned from hid_open().
@param data A buffer to put the read data into, including
the Report ID. Set the first byte of @p data[] to the
Report ID of the report to be read, or set it to zero
if your device does not use numbered reports.
@param length The number of bytes to read, including an
extra byte for the report ID. The buffer can be longer
than the actual report.
@returns
This function returns the number of bytes read plus
one for the report ID (which is still in the first
byte), or -1 on error.
Call hid_error(dev) to get the failure reason.
*/
int HID_API_EXPORT HID_API_CALL hid_get_input_report(hid_device *dev, unsigned char *data, size_t length);
/** @brief Close a HID device.
@ingroup API
@param dev A device handle returned from hid_open().
*/
void HID_API_EXPORT HID_API_CALL hid_close(hid_device *dev);
/** @brief Get The Manufacturer String from a HID device.
@ingroup API
@param dev A device handle returned from hid_open().
@param string A wide string buffer to put the data into.
@param maxlen The length of the buffer in multiples of wchar_t.
@returns
This function returns 0 on success and -1 on error.
Call hid_error(dev) to get the failure reason.
*/
int HID_API_EXPORT_CALL hid_get_manufacturer_string(hid_device *dev, wchar_t *string, size_t maxlen);
/** @brief Get The Product String from a HID device.
@ingroup API
@param dev A device handle returned from hid_open().
@param string A wide string buffer to put the data into.
@param maxlen The length of the buffer in multiples of wchar_t.
@returns
This function returns 0 on success and -1 on error.
Call hid_error(dev) to get the failure reason.
*/
int HID_API_EXPORT_CALL hid_get_product_string(hid_device *dev, wchar_t *string, size_t maxlen);
/** @brief Get The Serial Number String from a HID device.
@ingroup API
@param dev A device handle returned from hid_open().
@param string A wide string buffer to put the data into.
@param maxlen The length of the buffer in multiples of wchar_t.
@returns
This function returns 0 on success and -1 on error.
Call hid_error(dev) to get the failure reason.
*/
int HID_API_EXPORT_CALL hid_get_serial_number_string(hid_device *dev, wchar_t *string, size_t maxlen);
/** @brief Get The struct #hid_device_info from a HID device.
Since version 0.13.0, @ref HID_API_VERSION >= HID_API_MAKE_VERSION(0, 13, 0)
@ingroup API
@param dev A device handle returned from hid_open().
@returns
This function returns a pointer to the struct #hid_device_info
for this hid_device, or NULL in the case of failure.
Call hid_error(dev) to get the failure reason.
This struct is valid until the device is closed with hid_close().
@note The returned object is owned by the @p dev, and SHOULD NOT be freed by the user.
*/
struct hid_device_info HID_API_EXPORT * HID_API_CALL hid_get_device_info(hid_device *dev);
/** @brief Get a string from a HID device, based on its string index.
@ingroup API
@param dev A device handle returned from hid_open().
@param string_index The index of the string to get.
@param string A wide string buffer to put the data into.
@param maxlen The length of the buffer in multiples of wchar_t.
@returns
This function returns 0 on success and -1 on error.
Call hid_error(dev) to get the failure reason.
*/
int HID_API_EXPORT_CALL hid_get_indexed_string(hid_device *dev, int string_index, wchar_t *string, size_t maxlen);
/** @brief Get a report descriptor from a HID device.
Since version 0.14.0, @ref HID_API_VERSION >= HID_API_MAKE_VERSION(0, 14, 0)
User has to provide a preallocated buffer where descriptor will be copied to.
The recommended size for preallocated buffer is @ref HID_API_MAX_REPORT_DESCRIPTOR_SIZE bytes.
@ingroup API
@param dev A device handle returned from hid_open().
@param buf The buffer to copy descriptor into.
@param buf_size The size of the buffer in bytes.
@returns
This function returns non-negative number of bytes actually copied, or -1 on error.
*/
int HID_API_EXPORT_CALL hid_get_report_descriptor(hid_device *dev, unsigned char *buf, size_t buf_size);
/** @brief Get a string describing the last error which occurred.
This function is intended for logging/debugging purposes.
This function guarantees to never return NULL.
If there was no error in the last function call -
the returned string clearly indicates that.
Any HIDAPI function that can explicitly indicate an execution failure
(e.g. by an error code, or by returning NULL) - may set the error string,
to be returned by this function.
Strings returned from hid_error() must not be freed by the user,
i.e. owned by HIDAPI library.
Device-specific error string may remain allocated at most until hid_close() is called.
Global error string may remain allocated at most until hid_exit() is called.
@ingroup API
@param dev A device handle returned from hid_open(),
or NULL to get the last non-device-specific error
(e.g. for errors in hid_open() or hid_enumerate()).
@returns
A string describing the last error (if any).
*/
HID_API_EXPORT const wchar_t* HID_API_CALL hid_error(hid_device *dev);
/** @brief Get a runtime version of the library.
This function is thread-safe.
@ingroup API
@returns
Pointer to statically allocated struct, that contains version.
*/
HID_API_EXPORT const struct hid_api_version* HID_API_CALL hid_version(void);
/** @brief Get a runtime version string of the library.
This function is thread-safe.
@ingroup API
@returns
Pointer to statically allocated string, that contains version string.
*/
HID_API_EXPORT const char* HID_API_CALL hid_version_str(void);
#ifdef __cplusplus
}
#endif
#endif

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/*******************************************************
HIDAPI - Multi-Platform library for
communication with HID devices.
libusb/hidapi Team
Copyright 2022, All Rights Reserved.
At the discretion of the user of this library,
this software may be licensed under the terms of the
GNU General Public License v3, a BSD-Style license, or the
original HIDAPI license as outlined in the LICENSE.txt,
LICENSE-gpl3.txt, LICENSE-bsd.txt, and LICENSE-orig.txt
files located at the root of the source distribution.
These files may also be found in the public source
code repository located at:
https://github.com/libusb/hidapi .
********************************************************/
/** @file
* @defgroup API hidapi API
*
* Since version 0.12.0, @ref HID_API_VERSION >= HID_API_MAKE_VERSION(0, 12, 0)
*/
#ifndef HIDAPI_WINAPI_H__
#define HIDAPI_WINAPI_H__
#include <stdint.h>
#include <guiddef.h>
#include "hidapi.h"
#ifdef __cplusplus
extern "C" {
#endif
/** @brief Get the container ID for a HID device.
Since version 0.12.0, @ref HID_API_VERSION >= HID_API_MAKE_VERSION(0, 12, 0)
This function returns the `DEVPKEY_Device_ContainerId` property of
the given device. This can be used to correlate different
interfaces/ports on the same hardware device.
@ingroup API
@param dev A device handle returned from hid_open().
@param container_id The device's container ID on return.
@returns
This function returns 0 on success and -1 on error.
*/
int HID_API_EXPORT_CALL hid_winapi_get_container_id(hid_device *dev, GUID *container_id);
/**
* @brief Reconstructs a HID Report Descriptor from a Win32 HIDP_PREPARSED_DATA structure.
* This reconstructed report descriptor is logical identical to the real report descriptor,
* but not byte wise identical.
*
* @param[in] hidp_preparsed_data Pointer to the HIDP_PREPARSED_DATA to read, i.e.: the value of PHIDP_PREPARSED_DATA,
* as returned by HidD_GetPreparsedData WinAPI function.
* @param buf Pointer to the buffer where the report descriptor should be stored.
* @param[in] buf_size Size of the buffer. The recommended size for the buffer is @ref HID_API_MAX_REPORT_DESCRIPTOR_SIZE bytes.
*
* @return Returns size of reconstructed report descriptor if successful, -1 for error.
*/
int HID_API_EXPORT_CALL hid_winapi_descriptor_reconstruct_pp_data(void *hidp_preparsed_data, unsigned char *buf, size_t buf_size);
#ifdef __cplusplus
}
#endif
#endif

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