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HID Parser for Win32

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This commit is contained in:
Jack Andersen
2017-09-15 12:26:39 -10:00
parent 0f2a838bfb
commit 1f14cc09a1
12 changed files with 289 additions and 48 deletions
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10
include/boo/inputdev/DeviceBase.hpp
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@@ -5,6 +5,12 @@
#include <stdlib.h>
#include <stdio.h>
#include <memory>
#include <vector>
#include "boo/System.hpp"
#if _WIN32
#include <hidsdi.h>
#endif
namespace boo
{
@@ -45,7 +51,11 @@ public:
size_t receiveUSBInterruptTransfer(uint8_t* data, size_t length);
/* High-Level API */
#if _WIN32
const PHIDP_PREPARSED_DATA getReportDescriptor();
#else
std::vector<uint8_t> getReportDescriptor();
#endif
bool sendHIDReport(const uint8_t* data, size_t length, HIDReportType tp, uint32_t message=0);
size_t receiveHIDReport(uint8_t* data, size_t length, HIDReportType tp, uint32_t message=0); // Prefer callback version
virtual void receivedHIDReport(const uint8_t* /*data*/, size_t /*length*/, HIDReportType /*tp*/, uint32_t /*message*/) {}

3
include/boo/inputdev/DeviceFinder.hpp
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@@ -20,8 +20,6 @@
namespace boo
{
static class DeviceFinder* skDevFinder = NULL;
class DeviceFinder
{
public:
@@ -31,6 +29,7 @@ public:
static inline DeviceFinder* instance() {return skDevFinder;}
private:
static class DeviceFinder* skDevFinder;
/* Types this finder is interested in (immutable) */
DeviceSignature::TDeviceSignatureSet m_types;

2
include/boo/inputdev/GenericPad.hpp
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@@ -29,7 +29,7 @@ public:
void initialCycle();
void receivedHIDReport(const uint8_t* data, size_t length, HIDReportType tp, uint32_t message);
void enumerateValues(std::function<bool(const HIDMainItem& item)>& valueCB) const;
void enumerateValues(const std::function<bool(const HIDMainItem& item)>& valueCB) const;
};
}

28
include/boo/inputdev/HIDParser.hpp
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@@ -5,6 +5,11 @@
#include <vector>
#include <stack>
#include <functional>
#include <memory>
#if _WIN32
#include <hidsdi.h>
#endif
namespace boo
{
@@ -157,6 +162,8 @@ struct HIDMainItem
HIDMainItem() = default;
HIDMainItem(uint32_t flags, const HIDItemState& state, uint32_t reportIdx);
HIDMainItem(uint32_t flags, HIDUsagePage usagePage, HIDUsage usage,
HIDRange logicalRange, int32_t reportSize);
const char* GetUsagePageName() const;
const char* GetUsageName() const;
};
@@ -171,22 +178,35 @@ public:
Error
};
private:
ParserStatus m_status = ParserStatus::OK;
#if _WIN32
std::vector<HIDMainItem> m_itemPool;
mutable std::vector<HIDP_DATA> m_dataList;
PHIDP_PREPARSED_DATA m_descriptorData = nullptr;
#else
std::unique_ptr<HIDMainItem[]> m_itemPool;
using Report = std::pair<uint32_t, std::pair<uint32_t, uint32_t>>;
std::unique_ptr<Report[]> m_reportPool;
std::pair<uint32_t, uint32_t> m_inputReports = {};
std::pair<uint32_t, uint32_t> m_outputReports = {};
std::pair<uint32_t, uint32_t> m_featureReports = {};
ParserStatus m_status = ParserStatus::OK;
bool m_multipleReports = false;
ParserStatus ParseItem(HIDReports& reportsOut,
std::stack<HIDItemState>& stateStack, std::stack<HIDCollectionItem>& collectionStack,
std::stack<HIDItemState>& stateStack,
std::stack<HIDCollectionItem>& collectionStack,
const uint8_t*& it, const uint8_t* end);
#endif
public:
#if _WIN32
ParserStatus Parse(const PHIDP_PREPARSED_DATA descriptorData);
#else
ParserStatus Parse(const uint8_t* descriptorData, size_t len);
#endif
operator bool() const { return m_status == ParserStatus::Done; }
void EnumerateValues(std::function<bool(uint32_t rep, const HIDMainItem& item)>& valueCB) const;
void ScanValues(std::function<bool(const HIDMainItem& item, int32_t value)>& valueCB,
void EnumerateValues(const std::function<bool(const HIDMainItem& item)>& valueCB) const;
void ScanValues(const std::function<bool(const HIDMainItem& item, int32_t value)>& valueCB,
const uint8_t* data, size_t len) const;
};