cts_ctrl.cpp

MTK 手机软件开发 META 源代码,开发环境: C++ Builder

/*****************************************************************************
*  Copyright Statement:
*  --------------------
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*****************************************************************************/
/*****************************************************************************
 *
 * Filename:
 * ---------
 *   CTS_ctrl.cpp
 *
 * Project:
 * --------
 *   Maui META APP
 *
 * Description:
 * ------------
 *  Clima temperature system (CTS) control function source
 *
 * Author:
 * -------
 *  Andy Ueng (mtk00490)
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *------------------------------------------------------------------------------
 * $Revision$
 * $Modtime$
 * $Log$
 *
 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *============================================================================
 ****************************************************************************/
#include <vcl.h>



#pragma hdrstop

#ifndef  _CTS_CTRL_H_
#include "cts_ctrl.h"
#endif

#ifndef  _FT_UTILS_H_
#include "ft_utils.h"
#endif

/*---------------------------------------------------------------------------*/
static const char  CTS_CMD_BEGIN            =  0x02;
static const char  CTS_CMD_ADR              =  0x81;
static const char  CTS_CMD_START            =  0xF0;
static const char  CTS_CMD_STOP             =  0xF0;
static const char  CTS_CMD_TEMP_CHANNEL     =  0xB0;
static const char  CTS_CMD_SET_ANALOG       =  0xE1;
static const char  CTS_CMD_GET_ANALOG       =  0xC1;
static const char  CTS_CHANNEL_TEMP         =  0xB0;
static const char  CTS_CMD_END              =  0x03;
static const char  CTS_BLANK                =  0xA0;


#define  CTS_CMD_BUF_SIZE  256
//===========================================================================
CCTSCTRL::CCTSCTRL( void )
{


}

//---------------------------------------------------------------------------
CCTSCTRL::~CCTSCTRL()
{

}

//=============================================================================
bool CCTSCTRL::CTS_Init(int com_port)
{
    sUART  uart;

    uart.com_port  = com_port;
    uart.baud_rate = CBR_19200;
    uart.byte_size = 8;
    uart.parity    = ODDPARITY;
    uart.stop_bits = ONESTOPBIT;
    if(! UART_Obj.UART_Open( hCOM, uart ) )   return false;

    return true;
}

//--------------------------------------------------------------------------
bool CCTSCTRL::CTS_Close(void)
{
   UART_Obj.UART_Close( hCOM );
   return true;
}

//--------------------------------------------------------------------------
bool CCTSCTRL::CTS_Start( void )
{
    char cmd_data[CTS_CMD_BUF_SIZE];
    char cmd[CTS_CMD_BUF_SIZE];

    cmd_data[0] = CTS_CMD_ADR;
    cmd_data[1] = CTS_CMD_START;
    cmd_data[2] = 0xB0;
    cmd_data[3] = 0xB0;
    cmd_data[4] = 0xB1;
    cmd_data[5] = '\0';
    CTS_ComposeCmd( cmd_data, cmd );
    UART_Obj.UART_SendData( hCOM, cmd );
    return true;

}

//--------------------------------------------------------------------------
bool CCTSCTRL::CTS_Stop( void )
{
    char cmd_data[CTS_CMD_BUF_SIZE];
    char cmd[CTS_CMD_BUF_SIZE];

    cmd_data[0] = CTS_CMD_ADR;
    cmd_data[1] = CTS_CMD_STOP;
    cmd_data[2] = 0xB0;
    cmd_data[3] = 0xB0;
    cmd_data[4] = 0xB0;
    cmd_data[5] = '\0';
    CTS_ComposeCmd( cmd_data, cmd );
    UART_Obj.UART_SendData( hCOM, cmd );
    return true;
}

//--------------------------------------------------------------------------
bool CCTSCTRL::CTS_SetTemp( double temp )
{
    char cmd_temp[6];
    char cmd_data[CTS_CMD_BUF_SIZE];
    char cmd[CTS_CMD_BUF_SIZE];
    int  i=0;

    double_To_Array_ASCII_char( temp, cmd_temp );
    cmd_temp[5] = '\0';
    while( i<sizeof(cmd_temp) && cmd_temp[i]!='\0' )
    {
        cmd_temp[i] |= 0x80;
        i++;
    }

    cmd_data[0] = CTS_CMD_ADR;
    cmd_data[1] = CTS_CMD_SET_ANALOG;
    cmd_data[2] = CTS_CMD_TEMP_CHANNEL;
    cmd_data[3] = CTS_BLANK;
    cmd_data[4] = '\0';
    strcat(cmd_data, cmd_temp);

    CTS_ComposeCmd( cmd_data, cmd );

    UART_Obj.UART_SendData( hCOM, cmd );
    return true;
}

//--------------------------------------------------------------------------
bool CCTSCTRL::CTS_GetTemp( double &effective_temp, double &index_temp )
{
    char cmd_data[CTS_CMD_BUF_SIZE];
    char cmd[CTS_CMD_BUF_SIZE];
    char received_data[CTS_CMD_BUF_SIZE];
    DWORD dw_byte_read;

    cmd_data[0] = CTS_CMD_ADR;
    cmd_data[1] = CTS_CMD_GET_ANALOG;
    cmd_data[2] = CTS_CMD_TEMP_CHANNEL;
    cmd_data[3] = '\0';

    CTS_ComposeCmd( cmd_data, cmd );

    UART_Obj.UART_SendData( hCOM, cmd );

    for(int i=0; i<5; i++)
    {
        Sleep(500);
        if( UART_Obj.UART_ReceiveData( hCOM, received_data, dw_byte_read ) ) break;
    }
    #if 0
    received_data[0]  = 0x02;
    received_data[1]  = 0x81;
    received_data[2]  = 0xC1;
    received_data[3]  = 0xB0;
    received_data[4]  = 0xA0;
    received_data[5]  = 0xAD;
    received_data[6]  = 0xB1;
    received_data[7]  = 0xB4;
    received_data[8]  = 0xAE;
    received_data[9]  = 0xB5;
    received_data[10] = 0xA0;
    received_data[11] = 0xAD;
    received_data[12] = 0xB1;
    received_data[13] = 0xB3;
    received_data[14] = 0xAE;
    received_data[15] = 0xB8;
    received_data[16] = 0xFA;
    received_data[17] = 0x03;
    dw_byte_read = 18;
    #endif
    if(! CTS_ExtractTemp( received_data, dw_byte_read, effective_temp, index_temp ) )  return false;

    return true;
}

//--------------------------------------------------------------------------
bool CCTSCTRL::CTS_ExtractTemp( char* received_data, DWORD dw_byte_read, double &effective_temp, double &index_temp )
{
    char Temp_Header[5];
    char effective_temp_array[6];
    char index_temp_array[6];
    int i;

    if( ! CTS_TempHeaderBytesCheck(received_data)                                   ||
        ! CTS_TempChkByteCheck( received_data, dw_byte_read, *(received_data+16) ) ||
        ! CTS_TempTailByteCheck( received_data )
      )
      return false;

    for(i=0;i<sizeof(effective_temp_array)-1; i++)
    {
        effective_temp_array[i] = *(received_data+5+i);
    }
    effective_temp_array[i]='\0';
    ASCII_char_To_Array_double( effective_temp_array, effective_temp );

    for(i=0;i<sizeof(index_temp_array)-1; i++)
    {
        index_temp_array[i] = *(received_data+11+i);
    }
    index_temp_array[i] = '\0';
    ASCII_char_To_Array_double( index_temp_array, index_temp );
    return true;
}

//--------------------------------------------------------------------------
bool CCTSCTRL::CTS_TempHeaderBytesCheck( char* received_data )
{
    char Temp_Header[2];
    Temp_Header[0] = 0x02;
    Temp_Header[1] = 0x81;
   // Temp_Header[2] = 0xC1;
   // Temp_Header[3] = 0xB0;
   // Temp_Header[4] = 0xA0;

    for(int i=0; i<sizeof(Temp_Header); i++)
    {
       if( *(received_data+i) != Temp_Header[i] )  return false;
    }
    return true;
}

//--------------------------------------------------------------------------
bool CCTSCTRL::CTS_TempChkByteCheck( char* received_data, DWORD dw_byte_read, char &r_chk )
{
    char c_chk=0;
    for (unsigned int i=1; i<dw_byte_read-2; i++)
    {
        c_chk ^= *(received_data+i);
    }

    if(c_chk != r_chk)  return false;
    return true;
}

//--------------------------------------------------------------------------
bool CCTSCTRL::CTS_TempTailByteCheck( char* received_data )
{
    if( *(received_data+17) != CTS_CMD_END )  return false;

    return true;
}

//--------------------------------------------------------------------------
bool CCTSCTRL::CTS_ComposeCmd( char *cmd_data, char* cmd )
{
    char  cmd_chk=0;
    int   i=0;
    int   len;

    while( cmd_data[i]!=0 && i<CTS_CMD_BUF_SIZE )
    {
        cmd_chk ^= cmd_data[i];
        i++;
    }
    cmd_chk |= 0x80;
    cmd[0] = CTS_CMD_BEGIN;
    cmd[1] = '\0';
    strcat(cmd, cmd_data);
    len = strlen(cmd);
    cmd[len]= cmd_chk;
    cmd[len+1] = CTS_CMD_END;
    cmd[len+2] = '\0';
    return true;

}

//===========================================================================
////////////////////////////  Global information  ///////////////////////////
//============================================================================
HANDLE CCTSCTRL::CTS_GetComHandle( void )
{
    return hCOM;
}

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
DCB CCTSCTRL::Get_OriginalDCB( void )
{
     DCB dcb = UART_Obj.Get_OriginalDCB( );
     return dcb;
}

//---------------------------------------------------------------------------
bool CCTSCTRL::Set_OriginalDCB( DCB &dcb )
{
     UART_Obj.Set_OriginalDCB( dcb );
     return true;
}