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czc.cpp
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czc.cpp
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/*
* @Descripttion:
* @version:
* @Author:
* @Date: 2019-10-11 21:08:44
* @LastEditors:
* @LastEditTime: 2019-11-11 13:56:37
*/
// czc.cpp : Defines the entry point for the DLL application.
//
#include "stdafx.h"
#include <stdio.h>
#include <wchar.h>
#include <process.h>
#include <iostream>
#include "SerialPort.h"
#include "crc16.h"
#include "czc.h"
BOOL APIENTRY DllMain( HANDLE hModule,
DWORD ul_reason_for_call,
LPVOID lpReserved
)
{
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
case DLL_THREAD_ATTACH:
case DLL_THREAD_DETACH:
case DLL_PROCESS_DETACH:
break;
}
return TRUE;
}
CSerialPort port;
CZC_API int WINAPI InitPort(int portNo)
{
if(!port.InitPort(portNo, 9600, 'N', 8, 1))
{
return -1;
}
return 1;
}
CZC_API void WINAPI ClosePort()
{
port.ClosePort();
}
CZC_API int WINAPI SetLed(unsigned char devAddr, unsigned short stat)
{
return SetOneReg(devAddr, 0x0001,stat);
}
CZC_API int WINAPI GetButton(unsigned char addr)
{
return GetOneReg(addr,0x0000);
}
CZC_API int WINAPI SetOneReg(unsigned char devAddr, unsigned short regAddr,unsigned short stat)
{
char sendbuf[16] = { 0, };
char rcvbuf[16] = { 0, };
sendbuf[0] = (char)devAddr;
sendbuf[1] = 0x06;
sendbuf[2] = (char)(unsigned char)(regAddr >>8);
sendbuf[3] = (char)(unsigned char)(regAddr);
sendbuf[4] = (char)(unsigned char)(stat >>8);
sendbuf[5] = (char)(unsigned char)(stat);
unsigned short val = UART_CRC16_Work((unsigned char *)sendbuf, 6);
sendbuf[6] = (char)(unsigned char)(val >> 8);
sendbuf[7] = (char)(unsigned char)val;
if(!port.WriteToPort(sendbuf, 8))
{
return -1;
}
Sleep(200);
if(!port.ReadForPort(rcvbuf, 8))
{
return -1;
}
return 1;
}
CZC_API int WINAPI GetOneReg(unsigned char addr,unsigned short regAddr)
{
char sendbuf[16] = { 0, };
char rcvbuf[16] = { 0, };
sendbuf[0] = (char)addr;
sendbuf[1] = 0x03;
sendbuf[2] = (char)(unsigned char)(regAddr >>8);
sendbuf[3] = (char)(unsigned char)(regAddr);
sendbuf[4] = 0x00;
sendbuf[5] = 0x01;
unsigned short val = UART_CRC16_Work((unsigned char *)sendbuf, 6);
sendbuf[6] = (char)(unsigned char)(val >> 8);
sendbuf[7] = (char)(unsigned char)val;
if(!port.WriteToPort(sendbuf, 8))
{
return -1;
}
Sleep(200);
if(!port.ReadForPort(rcvbuf, 7))
{
return -1;
}
unsigned short val2 = UART_CRC16_Work((unsigned char *)rcvbuf, 5);
if (val2 != (((unsigned char)rcvbuf[5] << 8) | (unsigned char)rcvbuf[6]))
{
return -1;
}
return (((unsigned char)rcvbuf[3] << 8) | (unsigned char)rcvbuf[4]);
}