LRESULT CAdcDacDlg::OnSerialLinkEvent(WPARAM WParam, LPARAM LParam)
{
int MsgType=HIWORD(LParam);
BYTE Cmd=(BYTE)LOWORD(LParam);
int AdcVal, Channel;
CStatic* pStaticAdc[]={&m_StaticAdc0,&m_StaticAdc1,&m_StaticAdc2,&m_StaticAdc3};
CStatic* pStaticAverAdc[]={&m_StaticAverAdc0,&m_StaticAverAdc1,&m_StaticAverAdc2,&m_StaticAverAdc3};
CStatic* pStaticDac[]={&m_StaticDac0,&m_StaticDac1};
static int NSample[4]={0,0,0,0},NAverage[4]={0,0,0,0},
SumSample[4]={0,0,0,0}, SumAverage[4]={0,0,0,0};
static double DNSample[4]={0,0,0,0}, DNAverage[4]={0,0,0,0};
if(MsgType==SERIAL_SYNC_MSG)
{
if(Cmd==CMD_GET_EXT_ADC || Cmd==CMD_GET_AVERAGED_ADC)
{
ComMsg msg=theApp.m_SerialLink.m_Pool.GetMsg(WParam);
AdcVal=BytesToShort(msg.Buf[2],msg.Buf[3]);
Channel=msg.Buf[1];
if((Channel<0)||(Channel>3))
return (LRESULT)0;
char ch[30];
double delta, sigma;
if(Cmd==CMD_GET_EXT_ADC)
{
NSample[Channel]++;
SumSample[Channel]+=AdcVal;
delta=AdcVal-SumSample[Channel]/(double)NSample[Channel];
DNSample[Channel]+=delta*delta;
sigma=sqrt(DNSample[Channel]/NSample[Channel]);
}
else
{
NAverage[Channel]++;
SumAverage[Channel]+=AdcVal;
delta=AdcVal-SumAverage[Channel]/(double)NAverage[Channel];
DNAverage[Channel]+=delta*delta;
sigma=sqrt(DNAverage[Channel]/NAverage[Channel]);
}
double U,I;
switch(Channel)
{
case 1:
I=BytesToShort(msg.Buf[2],msg.Buf[3])*(4.096/16384.)*(25./2.5); //В Амперах
sprintf(ch,"%4d, %2.1fA",AdcVal,I);
break;
case 2:
U=BytesToShort(msg.Buf[2],msg.Buf[3])*(4.096/16384.)*(25./2.5); //В Вольтах
sprintf(ch,"%4d, %2.1fВ",AdcVal,U);
break;
default:
sprintf(ch,"%4d",AdcVal);
}
if(Cmd==CMD_GET_EXT_ADC)
pStaticAdc[Channel]->SetWindowText(ch);
else
pStaticAverAdc[Channel]->SetWindowText(ch);
}
else if(Cmd==CMD_GET_ADC_TC_I_U_TREF)
{
ComMsg msg=theApp.m_SerialLink.m_Pool.GetMsg(WParam);
double I, U;
int Adc0, Adc1, Adc2;
char ch[30];
Adc0=BytesToShort(msg.Buf[1],msg.Buf[2]); // Напряжение с термопары
Adc1=BytesToShort(msg.Buf[3],msg.Buf[4]); // Ток нагревателя
Adc2=BytesToShort(msg.Buf[5],msg.Buf[6]); // Напряжение на нагревателе
I=Adc1*(4.096/16384.)*(25./2.5); //В Амперах
U=Adc2*(4.096/16384.)*(25./2.5); //В Вольтах
sprintf(ch,"%4d",Adc0);
pStaticAverAdc[0]->SetWindowText(ch);
sprintf(ch,"%4d, %2.1fA",Adc1,I);
pStaticAverAdc[1]->SetWindowText(ch);
sprintf(ch,"%4d, %2.1fV",Adc2,U);
pStaticAverAdc[2]->SetWindowText(ch);
}
else if(Cmd==CMD_GET_DAC_VAL)
{
ComMsg msg=theApp.m_SerialLink.m_Pool.GetMsg(WParam);
Channel=msg.Buf[1];
if((Channel<0)||(Channel>1))
return (LRESULT)0;
char ch[30];
AdcVal=BytesToShort(msg.Buf[2],msg.Buf[3]);
sprintf(ch,"%4d, %2.2fV",AdcVal,AdcVal*(5./16384.));
pStaticDac[Channel]->SetWindowText(ch);
}
}
else if(MsgType==SERIAL_ERROR_COM_FAILED || MsgType==SERIAL_ERROR_TIMEOUT || MsgType==SERIAL_ASYNC_MSG)
{
for(Channel=0;Channel<4;Channel++)
{
pStaticAdc[Channel]->SetWindowText("...");
pStaticAverAdc[Channel]->SetWindowText("...");
if(Channel<sizeof(pStaticDac)/sizeof(void*))
pStaticDac[Channel]->SetWindowText("...");
}
}
return (LRESULT)0;
}
unsigned short PacketReader::readShort() {
return BytesToShort(readChar(), readChar());
}
