# HG changeset patch
# User John Tsiombikas <nuclear@member.fsf.org>
# Date 1373160109 -10800
# Node ID 21f1554e28842bf4f4daffc4f2ad6c5f98118d0b

initial commit

diff -r 000000000000 -r 21f1554e2884 .hgignore
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.hgignore	Sun Jul 07 04:21:49 2013 +0300
@@ -0,0 +1,6 @@
+\.o$
+\.d$
+\.swp$
+\.suo$
+^Debug/
+^Release/
diff -r 000000000000 -r 21f1554e2884 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Jul 07 04:21:49 2013 +0300
@@ -0,0 +1,238 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <assert.h>
+#include <windows.h>
+extern "C" {
+#include <hidsdi.h>
+#include <setupapi.h>
+}
+
+typedef __int16 int16_t;
+typedef unsigned __int32 uint32_t;
+
+/* TODO: notification
+    Obtain the Windows GUID for HID devices by way of a call to HidD_GetHidGuid()
+    Clear the contents of a DEV_BROADCAST_DEVICEINTERFACE structure 0.
+    Assign the members of the structure such that you specify the HID GUID.
+    Register the application for device notifications by calling the function RegisterDeviceNotification().
+    If the previous step returns an invalid handle, then an error has occurred, and the function should return an error. Otherwise, the return is successful.
+*/
+
+#pragma pack(push, 1)
+union Report {
+	unsigned char type;
+
+	struct { int16_t x, y, z; } motion;
+	struct { uint32_t state; } button;
+};
+#pragma pack(pop)
+
+static int WINAPI console_handler(DWORD s);
+
+bool done;
+
+int main()
+{
+	HANDLE dev_handle = 0;
+	Report *report = 0;
+
+	GUID hid_guid;
+	HidD_GetHidGuid(&hid_guid);
+
+	HDEVINFO devs = SetupDiGetClassDevs(&hid_guid, 0, 0, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
+	if(!devs) {
+		fprintf(stderr, "failed to retrieve all USB HID devices\n");
+		return 1;
+	}
+
+	for(int i=0; ; i++) {
+		SP_DEVICE_INTERFACE_DATA dev_data;
+		dev_data.cbSize = sizeof dev_data;
+
+		if(!SetupDiEnumDeviceInterfaces(devs, 0, &hid_guid, i, &dev_data)) {
+			if(GetLastError() != ERROR_NO_MORE_ITEMS) {
+				fprintf(stderr, "failed to enumarate device %d\n", i);
+			}
+			break;
+		}
+
+		DWORD bufsz;
+		SetupDiGetDeviceInterfaceDetail(devs, &dev_data, 0, 0, &bufsz, 0);
+
+		SP_DEVICE_INTERFACE_DETAIL_DATA *dev_details = (SP_DEVICE_INTERFACE_DETAIL_DATA*)malloc(bufsz);
+		assert(dev_details);
+		dev_details->cbSize = sizeof *dev_details;
+
+		if(!SetupDiGetDeviceInterfaceDetail(devs, &dev_data, dev_details, bufsz, &bufsz, 0)) {
+			int err = GetLastError();
+			fprintf(stderr, "failed to get interface %d details\n", i);
+			continue;
+		}
+		dev_handle = CreateFile(dev_details->DevicePath, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
+		if(!dev_handle) {
+			fprintf(stderr, "failed to open device file: %s\n", dev_details->DevicePath);
+			free(dev_details);
+			continue;
+		}
+		free(dev_details);
+
+		HIDD_ATTRIBUTES attr;
+		attr.Size = sizeof attr;
+		if(!HidD_GetAttributes(dev_handle, &attr)) {
+			CloseHandle(dev_handle);
+			dev_handle = 0;
+			continue;
+		}
+
+		char name[256];
+		if(!HidD_GetProductString(dev_handle, name, sizeof name)) {
+			strcpy(name, "<unknown>");
+		}
+
+		printf("Device: %x:%x: %s\n", (unsigned int)attr.VendorID, (unsigned int)attr.ProductID, name);
+
+		if(attr.VendorID == 0x46d && attr.ProductID == 0xc626) {
+			break;	// found it
+		}
+
+		CloseHandle(dev_handle);
+		dev_handle = 0;
+	}
+	SetupDiDestroyDeviceInfoList(devs);
+
+	if(!dev_handle) {
+		fprintf(stderr, "failed to find matching USB HID device\n");
+		return 1;
+	}
+
+	printf("device found\n");
+	_HIDP_PREPARSED_DATA *predata;
+
+	if(!HidD_GetPreparsedData(dev_handle, &predata)) {
+		fprintf(stderr, "failed to get preparsed data(?)\n");
+		goto cleanup;
+	}
+
+	HIDP_CAPS caps;
+	if(!HidP_GetCaps(predata, &caps)) {
+		fprintf(stderr, "failed to retrieve device capabilities\n");
+		HidD_FreePreparsedData(predata);
+		goto cleanup;
+	}
+
+	unsigned short num_value_caps = caps.NumberInputValueCaps;
+	HIDP_VALUE_CAPS *value_caps = (HIDP_VALUE_CAPS*)malloc(num_value_caps * sizeof *value_caps);
+	if(!value_caps) {
+		perror("failed to allocate value caps array");
+		HidD_FreePreparsedData(predata);
+		goto cleanup;
+	}
+
+	if(HidP_GetValueCaps(HidP_Input, value_caps, &num_value_caps, predata) != HIDP_STATUS_SUCCESS) {
+		fprintf(stderr, "failed to retrieve device value capabilities\n");
+		HidD_FreePreparsedData(predata);
+		goto cleanup;
+	}
+	HidD_FreePreparsedData(predata);
+
+	int min_val = 0;
+	int max_val = 0;
+	for(unsigned int i=0; i<num_value_caps; i++) {
+		printf("Usage page: %d\n", (int)value_caps[i].UsagePage);
+		printf("Report ID: %d\n", (int)value_caps[i].ReportID);
+		printf("Logical range: %d - %d\n", (int)value_caps[i].LogicalMin, (int)value_caps[i].LogicalMax);
+		if(i == 0) {
+			min_val = value_caps[i].LogicalMin;
+			max_val = value_caps[i].LogicalMax;
+		}
+	}
+	int val_range = max_val - min_val;
+	printf("value range: %d\n", val_range);
+
+	int report_size = caps.InputReportByteLength;
+	if(!(report = (Report*)malloc(report_size))) {
+		perror("failed to allocate input report buffer");
+		goto cleanup;
+	}
+
+	//signal(SIGINT, sig_handler);
+	if(!SetConsoleCtrlHandler(console_handler, 1)) {
+		fprintf(stderr, "failed to install console control handler\n");
+	}
+
+	static uint32_t bnstate = 0;
+
+	while(!done) {
+		if(WaitForSingleObject(dev_handle, INFINITE) != 0) {
+			fprintf(stderr, "error while waiting for device events\n");
+			break;
+		}
+
+		DWORD num_read;
+		if(!ReadFile(dev_handle, report, report_size, &num_read, 0)) {
+			fprintf(stderr, "failed to read input report\n");
+			continue;
+		}
+
+		switch(report->type) {
+		case 1:	/* translation */
+			{
+				int x = report->motion.x;
+				int y = report->motion.y;
+				int z = report->motion.z;
+				if(val_range != 0) {
+					x = 100 * (x - min_val) / val_range - 50;
+					y = 100 * (y - min_val) / val_range - 50;
+					z = 100 * (z - min_val) / val_range - 50;
+				}
+				printf("MOTION %4d %4d %4d\n", x, y, z);
+			}
+			break;
+
+		case 2:	/* rotation */
+			{
+				int x = report->motion.x;
+				int y = report->motion.y;
+				int z = report->motion.z;
+				if(val_range != 0) {
+					x = 100 * (x - min_val) / val_range - 50;
+					y = 100 * (y - min_val) / val_range - 50;
+					z = 100 * (z - min_val) / val_range - 50;
+				}
+				printf("ROTATE %4d %4d %4d\n", x, y, z);
+			}
+			break;
+
+		case 3:
+			bnstate = report->button.state;
+			fputs("B: ", stdout);
+			for(int i=0; i<24; i++) {
+				int bn = 23 - i;
+				if(bnstate & (1 << bn)) {
+					fputc('1', stdout);
+				} else {
+					fputc('0', stdout);
+				}
+			}
+			fputc('\n', stdout);
+			break;
+
+		default:
+			printf("unknown event type: %d\n", (int)report->type);
+		}
+	}
+
+cleanup:
+	CloseHandle(dev_handle);
+	return 0;
+}
+
+static int WINAPI console_handler(DWORD s)
+{
+	if(s == CTRL_C_EVENT) {
+		printf("Caught interrupt signal, quitting...\n");
+		done = true;
+	}
+	return 0;
+}
\ No newline at end of file
diff -r 000000000000 -r 21f1554e2884 spnav_winapi_test.sln
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/spnav_winapi_test.sln	Sun Jul 07 04:21:49 2013 +0300
@@ -0,0 +1,20 @@
+
+Microsoft Visual Studio Solution File, Format Version 10.00
+# Visual Studio 2008
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "spnav_winapi_test", "spnav_winapi_test.vcproj", "{023D90F5-CE0A-412F-96F4-0B17444D21BB}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Win32 = Debug|Win32
+		Release|Win32 = Release|Win32
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{023D90F5-CE0A-412F-96F4-0B17444D21BB}.Debug|Win32.ActiveCfg = Debug|Win32
+		{023D90F5-CE0A-412F-96F4-0B17444D21BB}.Debug|Win32.Build.0 = Debug|Win32
+		{023D90F5-CE0A-412F-96F4-0B17444D21BB}.Release|Win32.ActiveCfg = Release|Win32
+		{023D90F5-CE0A-412F-96F4-0B17444D21BB}.Release|Win32.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal
diff -r 000000000000 -r 21f1554e2884 spnav_winapi_test.vcproj
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/spnav_winapi_test.vcproj	Sun Jul 07 04:21:49 2013 +0300
@@ -0,0 +1,197 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="9.00"
+	Name="spnav_winapi_test"
+	ProjectGUID="{023D90F5-CE0A-412F-96F4-0B17444D21BB}"
+	RootNamespace="spnav_winapi_test"
+	Keyword="Win32Proj"
+	TargetFrameworkVersion="196613"
+	>
+	<Platforms>
+		<Platform
+			Name="Win32"
+		/>
+	</Platforms>
+	<ToolFiles>
+	</ToolFiles>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
+			IntermediateDirectory="$(ConfigurationName)"
+			ConfigurationType="1"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				Optimization="0"
+				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
+				MinimalRebuild="true"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="3"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				DebugInformationFormat="4"
+				DisableSpecificWarnings="4996;4244"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="hid.lib setupapi.lib"
+				LinkIncremental="2"
+				GenerateDebugInformation="true"
+				SubSystem="1"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
+			IntermediateDirectory="$(ConfigurationName)"
+			ConfigurationType="1"
+			CharacterSet="2"
+			WholeProgramOptimization="1"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				Optimization="2"
+				EnableIntrinsicFunctions="true"
+				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
+				RuntimeLibrary="2"
+				EnableFunctionLevelLinking="true"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+				DisableSpecificWarnings="4996;4244"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="hid.lib setupapi.lib"
+				LinkIncremental="1"
+				GenerateDebugInformation="true"
+				SubSystem="1"
+				OptimizeReferences="2"
+				EnableCOMDATFolding="2"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<Filter
+			Name="Source Files"
+			Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"
+			UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
+			>
+			<File
+				RelativePath=".\main.cpp"
+				>
+			</File>
+		</Filter>
+		<Filter
+			Name="Header Files"
+			Filter="h;hpp;hxx;hm;inl;inc;xsd"
+			UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
+			>
+		</Filter>
+		<Filter
+			Name="Resource Files"
+			Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav"
+			UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}"
+			>
+		</Filter>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>