mirror of
https://github.com/RawAccelOfficial/rawaccel.git
synced 2025-05-19 07:52:02 +02:00
7d14daf1d5
check app versions against lib, lib against driver add an 'about' dialog which displays version details, accessible from menu refactor error handling + add check for negative offset
67 lines
1.3 KiB
C++
67 lines
1.3 KiB
C++
#pragma once
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#include <system_error>
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#define NOMINMAX
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#include <Windows.h>
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#include "rawaccel-io-def.h"
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#include "rawaccel-settings.h"
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#include "rawaccel-version.h"
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#include "rawaccel-error.hpp"
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#pragma warning(push)
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#pragma warning(disable:4245) // int -> DWORD conversion while passing CTL_CODE
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namespace rawaccel {
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void io_control(DWORD code, void* in, DWORD in_size, void* out, DWORD out_size) {
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HANDLE ra_handle = INVALID_HANDLE_VALUE;
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ra_handle = CreateFileW(L"\\\\.\\rawaccel", 0, 0, 0, OPEN_EXISTING, 0, 0);
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if (ra_handle == INVALID_HANDLE_VALUE) {
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throw install_error();
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}
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DWORD dummy;
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BOOL success = DeviceIoControl(
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ra_handle,
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code,
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in,
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in_size,
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out,
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out_size,
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&dummy, // bytes returned
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NULL // overlapped structure
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);
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CloseHandle(ra_handle);
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if (!success) {
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throw std::system_error(GetLastError(), std::system_category(), "DeviceIoControl failed");
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}
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}
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settings read() {
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settings args;
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io_control(RA_READ, NULL, 0, &args, sizeof(settings));
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return args;
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}
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void write(const settings& args) {
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auto in_ptr = const_cast<settings*>(&args);
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io_control(RA_WRITE, in_ptr, sizeof(settings), NULL, 0);
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}
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version_t get_version() {
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version_t ver;
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io_control(RA_GET_VERSION, NULL, 0, &ver, sizeof(version_t));
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return ver;
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}
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}
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#pragma warning(pop)
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