scbc_repos/DAControl/DAControl/DAControl.cpp

// DAControl.cpp : 定义 DLL 应用程序的导出函数。
//

#include "stdafx.h"
#include "DAControl.h"
#include "SynSerial.h"
#ifdef __MAKE_PYD__
#include "Python.h"
#endif

#define SENDLEN 6
bool g_bEnableLoad = false;
std::string g_strXMLPath;
std::vector<KeyItem> g_vtKeyItem;
CSynSerial g_synSerial;
// 最大电压值;
float g_fMaxVoltage = 0.0;

#ifdef _DEBUG
#define new DEBUG_NEW
#endif

#ifdef __CONSOLE__ 
// 唯一的应用程序对象

CWinApp theApp;

using namespace std;

int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
{
	int nRetCode = 0;

	// 初始化 MFC 并在失败时显示错误
	if (!AfxWinInit(::GetModuleHandle(NULL), NULL, ::GetCommandLine(), 0))
	{
		// TODO: 更改错误代码以符合您的需要
		_tprintf(_T("错误: MFC 初始化失败\n"));
		nRetCode = 1;
	}
	else
	{
		// TODO: 在此处为应用程序的行为编写代码。
		// 获取个位数和小数位;
		int a = 0, b = 0;  // 个位数,小数位;
		TCHAR szVolt[16] = {0};
		_gcvt_s(szVolt, 1.256, 3);
		sscanf_s(szVolt, _T("%d.%d"), &a, &b);

		byte szSendData[SENDLEN] = {0};
		_stprintf_s((TCHAR*)szSendData, SENDLEN, _T("%c%c%c%c%c"), 0x5A, 0, a, b, 0xA5);
		int len = sizeof(szSendData);

		printf("%s, %d,%d\n", szSendData, a, b);
	}

	system("pause");

	return nRetCode;
}
#endif


std::string tolower(const char *p)
{
	if ( p == NULL )
		return std::string();

	std::string str;
	while ( *p != '\0') {
		if ( *p >= 'A' && *p <= 'Z' )
			str.append(1,*p + 32);
		else
			str.append(1,*p);
		p++;
	}

	return str;
}

std::string toupper(const char *p)
{
	if ( p == NULL )
		return std::string();

	std::string str;
	while ( *p != '\0') {
		if ( *p >= 'a' && *p <= 'z' )
			str.append(1,*p - 32);
		else
			str.append(1,*p);
		p++;
	}

	return str;
}

int __LoadXML(LPCTSTR lpXMLPath)
{
	if ( !lpXMLPath || !PathFileExists(lpXMLPath) )
		return -1;

	g_strXMLPath = lpXMLPath;
	// 解析xml;
	tinyxml2::XMLDocument doc;
	if (tinyxml2::XML_SUCCESS != doc.LoadFile(lpXMLPath))
		return -1;

	tinyxml2::XMLElement *pXmlRoot = NULL;
	if ((pXmlRoot = doc.RootElement()) != NULL) {
		if (_tcsicmp(pXmlRoot->Value(), "KeyList") == 0) {
			// 属性;
			const tinyxml2::XMLAttribute *pAttr = pXmlRoot->FirstAttribute();
			if (pAttr) {
				if (_tcsicmp(pAttr->Name(), "MaxVolt") == 0) {
					// 读出最大电压值;
					const char* pVal = pAttr->Value();
					if ( pVal ) {
						g_fMaxVoltage = _tstof(pVal);
					}
				}
			}
			
			// 没有限制电压值;
			if ( g_fMaxVoltage == 0.0 )
				return -1;

			// 子项;
			tinyxml2::XMLElement *pXmlElent = pXmlRoot->FirstChildElement();
			while (pXmlElent) {
				KeyItem keyItem;
				if (_tcsicmp(pXmlElent->Value(), _T("ITEM")) == 0) {
					tinyxml2::XMLElement *pItem = pXmlElent->FirstChildElement();
					while (pItem) {
						if (_tcsicmp(pItem->Value(), _T("KeyName")) == 0) {
							keyItem.keyName = tolower(pItem->GetText());
						}
						else if (_tcsicmp(pItem->Value(), _T("KeyDesc")) == 0) {
							keyItem.keyDesc = pItem->GetText();
						}
						else if (_tcsicmp(pItem->Value(), _T("KeyVolt")) == 0) {
							keyItem.keyVolt = _tstof(pItem->GetText());
						}
						else if (_tcsicmp(pItem->Value(), _T("KeyIndex")) == 0) {
							keyItem.keyIndex = _tstoi(pItem->GetText());
						}

						pItem = pItem->NextSiblingElement();
					}
				}

				// 如果已经添加过的;
				KeyItem *pkeyItem = FindItem(keyItem.keyName.c_str());
				if ( pkeyItem ) {
					pkeyItem->keyDesc = keyItem.keyDesc;
					pkeyItem->keyVolt = keyItem.keyVolt;
					pkeyItem->keyIndex = keyItem.keyIndex;
				}
				else
					g_vtKeyItem.push_back(keyItem);
				pXmlElent = pXmlElent->NextSiblingElement();
			}
		}
	}

	return 0;
}

//////////////////////////////////////////////////////////////////////////
// API函数接口;
DACONTROL_API KeyItem* FindItem(LPCTSTR lpKeyName)
{
	if ( !lpKeyName || lpKeyName[0] == '\0' )
		return NULL;

	for ( std::vector<KeyItem>::iterator it = g_vtKeyItem.begin(); it != g_vtKeyItem.end(); it++ ) {
		if ( _tcsicmp(it->keyName.c_str(), lpKeyName) == 0 ) {
			return &*it;
			break;
		}
	}

	return NULL;
}

DACONTROL_API int OpenXML(LPCTSTR lpXMLPath)
{
	g_vtKeyItem.clear();
	return __LoadXML(lpXMLPath);
}

DACONTROL_API int LoadXML(LPCTSTR lpXMLPath)
{
	return __LoadXML(lpXMLPath);
}


// 打开串口;
DACONTROL_API BOOL OpenDevice(int nPort, DWORD dwBaudrate, BYTE ByteSize, BYTE Parity, BYTE StopBits)
{
	// 关闭打开的;
	if ( g_synSerial.IsOpen() )
		g_synSerial.CloseSerialPort();

	g_synSerial.OpenSerialPort(nPort, dwBaudrate, ByteSize, Parity, StopBits, 0, 1000);

	return g_synSerial.IsOpen();
}

// 关闭串口;
DACONTROL_API void CloseDevice()
{
	if ( g_synSerial.IsOpen() )
		g_synSerial.CloseSerialPort();
}

DACONTROL_API bool SendKey(LPCTSTR lpKeyName)
{
	if ( !g_synSerial.IsOpen() )
		return false;

	KeyItem *pkeyItem = FindItem(lpKeyName);
	if ( pkeyItem == NULL )
		return false;

	// 获取个位数和小数位;
	int a = 0, b = 0;  // 个位数,小数位;
	TCHAR szVolt[16] = {0};
	_gcvt_s(szVolt, pkeyItem->keyVolt, 3);
	sscanf_s(szVolt, _T("%d.%d"), &a, &b);

	// 封装发送包[0x5A, <通道号>, <电压个位数>, <电压小数位>, <A5>];
	// 串口返回：原样返回数据;
	byte szSendData[SENDLEN] = {0};
	_stprintf_s((TCHAR*)szSendData, SENDLEN, _T("%c%c%c%c%c"), 0x5A, pkeyItem->keyIndex, a, b, 0xA5);

	DWORD dwNumberOfBytesWritten = g_synSerial.WriteComm(szSendData, SENDLEN - 1);
	if ( dwNumberOfBytesWritten != (SENDLEN - 1) )
		return false;

	DWORD dwNumberOfBytesRead = g_synSerial.ReadComm(szSendData, dwNumberOfBytesWritten);
	return dwNumberOfBytesRead ? true : false;
}

#ifdef __MAKE_PYD__
//////////////////////////////////////////////////////////////////////////
// PYD接口;
static PyObject* OpenXML(PyObject* self, PyObject* args)
{
	// 电压表程序路径;
	const char* pszXmlPath = NULL;
	if (!PyArg_ParseTuple(args, "s", &pszXmlPath))
		return NULL;

	// 加载成功返回0;
	return Py_BuildValue("i", ::OpenXML(pszXmlPath));
}

static PyObject* LoadXML(PyObject* self, PyObject* args)
{
	// 电压表程序路径;
	const char* pszXmlPath = NULL;
	if (!PyArg_ParseTuple(args, "s", &pszXmlPath))
		return NULL;

	// 加载成功返回0;
	return Py_BuildValue("i", ::LoadXML(pszXmlPath));
}

static PyObject* OpenDevice(PyObject* self, PyObject* args)
{
	int nPort;
	if (!PyArg_ParseTuple(args, "i", &nPort))
		return NULL;

	return Py_BuildValue("b", ::OpenDevice(nPort, 9600, 8, 0, 1));	// 返回None;
}

//描述：连接设备，默认连接索引为0的设备;
static PyObject* CloseDevice(PyObject* self, PyObject* args)
{
	::CloseDevice();
	return Py_BuildValue("");
}

static PyObject* SendKey(PyObject* self, PyObject* args)
{
	const char* pszKenName = NULL;
	if (!PyArg_ParseTuple(args, "s", &pszKenName))
		return NULL;

	return Py_BuildValue("b", ::SendKey(pszKenName));
}


// 描述方法,暴露给python的函数;
static PyMethodDef DAControl_Methods[] = {
	{"OpenXML",OpenXML,METH_VARARGS,"打开电压表文件（清空之前的）"},
	{"LoadXML", LoadXML, METH_VARARGS, "打开电压表文件（不清空，累加）"},
	{"OpenDevice", OpenDevice, METH_VARARGS, "打开设备"},
	{"CloseDevice", CloseDevice, METH_VARARGS, "关闭设备"},
	{"SendKey", SendKey, METH_VARARGS, "发送物理电压"},

	{NULL,NULL}
};

// 初始模块;//格式：init<模块名称>
PyMODINIT_FUNC initDAControl()
{
	// 初始化pyd函数列表;
	PyObject* m, * d;
	m = Py_InitModule("DAControl", DAControl_Methods);
	d = PyModule_GetDict(m);
}

#endif