#include "stdafx.h"
#include "Interface_COM.h"
#include <setupapi.h>
#include "Windows.h"
#pragma comment (lib, "setupapi.lib")
#define MAX_LOADSTRING 100
// Глобальные переменные:
HINSTANCE hInst; // текущий экземпляр
WCHAR szTitle[MAX_LOADSTRING]=L"xxxxxxx"; // Текст строки заголовка
WCHAR szWindowClass[MAX_LOADSTRING]; // имя класса главного окна
// Отправить объявления функций, включенных в этот модуль кода:
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
INT_PTR CALLBACK About(HWND, UINT, WPARAM, LPARAM);
int APIENTRY wWinMain(_In_ HINSTANCE hInstance,
_In_opt_ HINSTANCE hPrevInstance,
_In_ LPWSTR lpCmdLine,
_In_ int nCmdShow)
{
UNREFERENCED_PARAMETER(hPrevInstance);
UNREFERENCED_PARAMETER(lpCmdLine);
// TODO: разместите код здесь.
// Инициализация глобальных строк
// LoadStringW(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
LoadStringW(hInstance, IDC_INTERFACE_COM, szWindowClass, MAX_LOADSTRING);
HACCEL hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_INTERFACE_COM));
// главное окно
WNDCLASSEXW wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_INTERFACE_COM));
wcex.hCursor = LoadCursor(nullptr, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
wcex.lpszMenuName = MAKEINTRESOURCEW(IDC_INTERFACE_COM);
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));
RegisterClassExW(&wcex);
hInst = hInstance; // Сохранить дескриптор экземпляра в глобальной переменной
HWND hWnd = CreateWindowW(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, nullptr, nullptr, hInstance, nullptr);
if (!hWnd) return FALSE;
// контролы
HWND hWnd01 = CreateWindowEx(0, L"static", L"Voltage, V", WS_CHILD | WS_VISIBLE | ES_CENTER,
10, 10, 80, 30, hWnd, (HMENU)10000, hInstance, NULL);
HWND hWnd1 = CreateWindowEx(WS_EX_CLIENTEDGE, L"edit", L"xxx", WS_CHILD | WS_VISIBLE | ES_RIGHT,
10, 40, 80, 30, hWnd, (HMENU)10001, hInstance, NULL);
HWND hWnd02 = CreateWindowEx(0, L"static", L"Current, A", WS_CHILD | WS_VISIBLE | ES_CENTER,
100, 10, 80, 30, hWnd, (HMENU)20000, hInstance, NULL);
HWND hWnd2 = CreateWindowEx(WS_EX_CLIENTEDGE, L"edit", L"xxx", WS_CHILD | WS_VISIBLE | ES_RIGHT,
100, 40, 80, 30, hWnd, (HMENU)20001, hInstance, NULL);
HWND hWnd03 = CreateWindowEx(0, L"static", L"Torque, N m", WS_CHILD | WS_VISIBLE | ES_CENTER,
190, 10, 80, 30, hWnd, (HMENU)30000, hInstance, NULL);
HWND hWnd3 = CreateWindowEx(WS_EX_CLIENTEDGE, L"edit", L"xxx", WS_CHILD | WS_VISIBLE | ES_RIGHT,
190, 40, 80, 30, hWnd, (HMENU)30001, hInstance, NULL);
HWND hWnd04 = CreateWindowEx(0, L"static", L"Speed, Hz", WS_CHILD | WS_VISIBLE | ES_CENTER,
280, 10, 80, 30, hWnd, (HMENU)40000, hInstance, NULL);
HWND hWnd4 = CreateWindowEx(WS_EX_CLIENTEDGE, L"edit", L"xxx", WS_CHILD | WS_VISIBLE | ES_RIGHT,
280, 40, 80, 30, hWnd, (HMENU)40001, hInstance, NULL);
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
// открыть COM-порт
DWORD i, iSize; // число принятых байт
char dev_name[1024]; unsigned char sReceivedChar[1024]; // приёмный буфер
wchar_t str[1024], port_name[5] = L"COMx";
HDEVINFO hDevInfo;
SP_DEVINFO_DATA DeviceInfoData;
SP_DEVICE_INTERFACE_DATA DeviceInterfaceData;
GUID GUID_DEVCLASS_PORTS = {0x4d36e978, 0xe325, 0x11ce, 0xbf, 0xc1, 0x08, 0x00, 0x2b, 0xe1, 0x03, 0x18};
HANDLE Com_File;
DCB dcbSerialParams = { 0 };
COMMTIMEOUTS CommTimeOuts = { 0xFFFFFFFF,0,0,0,0 }; // чтение и запись без задержек
MSG msg;
CONNECT:
DeviceInfoData.cbSize = sizeof(SP_DEVINFO_DATA);
DeviceInterfaceData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
dcbSerialParams.DCBlength = sizeof(dcbSerialParams);
hDevInfo = SetupDiGetClassDevsW(&GUID_DEVCLASS_PORTS, NULL, NULL, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
if (hDevInfo!= INVALID_HANDLE_VALUE)
{
i = 0;
while (SetupDiEnumDeviceInfo(hDevInfo, i, &DeviceInfoData))
{
SetupDiGetDeviceRegistryPropertyA(hDevInfo, &DeviceInfoData, SPDRP_FRIENDLYNAME, NULL, (UCHAR*)dev_name, sizeof(dev_name), NULL);
port_name[3] = dev_name[20]; dev_name[20] = 'x';
MessageBox(NULL, port_name, NULL, MB_OK);
if (strcmp(dev_name, "USB Serial Port (COMx)")) port_name[3] = 'x'; else break;
i++;
}
SetupDiDestroyDeviceInfoList(hDevInfo);
}
if (port_name[3] == 'x')
if (MessageBox(NULL, L"Устройство не обнаружено", L"Подключение", MB_RETRYCANCEL) == IDRETRY) goto CONNECT;
else return 0;
Com_File = CreateFile(port_name, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
if (Com_File == INVALID_HANDLE_VALUE) { MessageBox(NULL, L"Невозможно открыть последовательный порт", L"Error", MB_OK); return 0; }
// настройка COM-порта
if (!GetCommState(Com_File, &dcbSerialParams))
MessageBox(NULL, L"getting state error\n", NULL, MB_OK);
dcbSerialParams.BaudRate = CBR_9600;
dcbSerialParams.ByteSize = 8;
dcbSerialParams.StopBits = ONESTOPBIT;
dcbSerialParams.Parity = NOPARITY;
if (!SetCommState(Com_File, &dcbSerialParams))
MessageBox(NULL, L"error setting serial port state\n", NULL, MB_OK);
SetCommTimeouts(Com_File, &CommTimeOuts);
PurgeComm(Com_File, PURGE_TXABORT | PURGE_RXABORT | PURGE_TXCLEAR | PURGE_RXCLEAR); // очистка буфера com-порта
SetTimer(hWnd, 1, 20, NULL); // таймер, опрос каждый 20 мс
// Цикл основного сообщения:
while (GetMessage(&msg, nullptr, 0, 0))
{
if (msg.message == WM_TIMER)
{
if (!ReadFile(Com_File, sReceivedChar, 10, &iSize, 0))
{
SendMessage(hWnd1, WM_SETTEXT, 0, (LPARAM)L"xxx");
SendMessage(hWnd2, WM_SETTEXT, 0, (LPARAM)L"xxx");
SendMessage(hWnd3, WM_SETTEXT, 0, (LPARAM)L"xxx");
SendMessage(hWnd4, WM_SETTEXT, 0, (LPARAM)L"xxx");
if (MessageBox(NULL, L"Потеряна связь с устройством", L"Подключение", MB_RETRYCANCEL) == IDRETRY)
{ CloseHandle(Com_File); port_name[3] = 'x'; goto CONNECT; }
else return 0;
}
else
{
if (iSize == 4)
{
_itow_s(sReceivedChar[0], str, 10);
SendMessage(hWnd1, WM_SETTEXT, 0, (LPARAM)str);
_itow_s(sReceivedChar[1], str, 10);
SendMessage(hWnd2, WM_SETTEXT, 0, (LPARAM)str);
_itow_s(sReceivedChar[2], str, 10);
SendMessage(hWnd3, WM_SETTEXT, 0, (LPARAM)str);
_itow_s(sReceivedChar[3], str, 10);
SendMessage(hWnd4, WM_SETTEXT, 0, (LPARAM)str);
}
}
}
if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
CloseHandle(Com_File);
return (int) msg.wParam;
}
04.12.2024, 02:25 
