comms.c

AD5933评估板下位机程序（keil C）和上位机程序（VB）

			if (SETUPDAT[0] == VR_DOWNLOAD)
				{
				EP0BCH = 0;
				EP0BCL = 0; // Clear bytecount to allow new data in; also stops NAKing
				
				if(SETUPDAT[2] == 1)
					Heater1PWM = SETUPDAT[4] << 1;
				else
					Heater2PWM = SETUPDAT[4] << 1;

				EP0BCH = 0;
				EP0BCL = 1;
				}
		break;

		case VR_ReadBlock:
			if (SETUPDAT[0] == VR_UPLOAD)
				{
				while(EP0CS & bmEPBUSY);

				ReadBlockData(SETUPDAT[2],SETUPDAT[6],SETUPDAT[4]);

				EP0BCH = 0;
				EP0BCL = SETUPDAT[6];
				}
		/*	if (SETUPDAT[0] == VR_DOWNLOAD)
				{
				EP0BCH = 0;
				EP0BCL = 0; // Clear bytecount to allow new data in; also stops NAKing

				DeviceAddress = SETUPDAT[2];		// set device address for block reads
				BlockReadEnabled = TRUE;			// enablr block read loop
				DataCollected = TRUE;
				
				*EP0BUF = 1;
				EP0BCH = 0;
				EP0BCL = 1;
				}	*/
		break;
		
	}
   return(FALSE);
}

void ReadBlockData(BYTE DevAddr, BYTE Num, BYTE StartAddr)
{
BYTE i;

	for(i=0 ; i<Num ; i++)
		*(EP0BUF+i) = ReadSMBUSData(DevAddr, (BYTE)(StartAddr+i));
}

void WriteSMBUSData(BYTE DevAddr, BYTE AddrPtr, BYTE DataOut)
{
	while (I2CS & bmSTOP);	//wait for previous transaction to end
	I2CS |= bmSTART;		//set start
	I2DAT = (DevAddr << 1);	//set device address + write bit
    while((I2CS & 1) == 0);	//wait for DONE
	I2DAT = AddrPtr;		//set address pointer
	while((I2CS & 1) == 0);	//wait for DONE
	I2DAT = DataOut;		//set data 
	while((I2CS & 1) == 0);	//wait for DONE
	I2CS |= bmSTOP;
}
void WriteSMBUS3Data(BYTE DevAddr, BYTE AddrPtr, BYTE DataOut, BYTE DataOut2)// Gerard
{
	while (I2CS & bmSTOP);	//wait for previous transaction to end
	I2CS |= bmSTART;		//set start
	I2DAT = (DevAddr << 1);	//set device address + write bit
    while((I2CS & 1) == 0);	//wait for DONE
	I2DAT = AddrPtr;		//set address pointer
	while((I2CS & 1) == 0);	//wait for DONE
	I2DAT = DataOut;		//set data 
	while((I2CS & 1) == 0);	//wait for DONE
	I2DAT = DataOut2;		//set data 
	while((I2CS & 1) == 0);	//wait for DONE
	I2CS |= bmSTOP;
}
BYTE ReadSMBUSData(BYTE DevAddr, BYTE AddrPtr)
{
BYTE TempVal;
WORD i=0;

	while (I2CS & bmSTOP);	//wait for previous transaction to end
	I2CS |= bmSTART;		//set start
	I2DAT = (DevAddr << 1);	//set device address + write bit
    while((I2CS & 1) == 0);	//wait for DONE
	I2DAT = AddrPtr;		//set address pointer
	while((I2CS & 1) == 0);	//wait for DONE
	//I2CS |= bmSTOP;			//stop transaction
	//while (I2CS & bmSTOP);	//wait for previous transaction to end
	I2CS |= bmSTART;		//set start
	I2DAT = (DevAddr << 1) | 1;	//set device address + read bit
    while((I2CS & 1) == 0);	//wait for DONE
	I2CS |= bmLASTRD;		//set last-read bit
	TempVal = I2DAT;		//reading this starts the 9 read clocks
	while((I2CS & 1) == 0);	//wait for DONE
	I2CS |= bmSTOP;			//stop transaction
	return(I2DAT);	
}
	
BYTE ReadSMBUS3Data(BYTE DevAddr, BYTE AddrPtr, BYTE DataOut)//Gerard
{
BYTE TempVal;
WORD i=0;

	while (I2CS & bmSTOP);	//wait for previous transaction to end
	I2CS |= bmSTART;		//set start
	I2DAT = (DevAddr << 1);	//set device address + write bit
    while((I2CS & 1) == 0);	//wait for DONE
	I2DAT = AddrPtr;		//set address pointer
	while((I2CS & 1) == 0);	//wait for DONE
	I2DAT = DataOut;		//set address pointer
	while((I2CS & 1) == 0);	//wait for DONE
	//I2CS |= bmSTOP;			//stop transaction
	//while (I2CS & bmSTOP);	//wait for previous transaction to end
	I2CS |= bmSTART;		//set start
	I2DAT = (DevAddr << 1) | 1;	//set device address + read bit
    while((I2CS & 1) == 0);	//wait for DONE
	I2CS |= bmLASTRD;		//set last-read bit
	TempVal = I2DAT;		//reading this starts the 9 read clocks
	while((I2CS & 1) == 0);	//wait for DONE
	I2CS |= bmSTOP;			//stop transaction
	return(I2DAT);	
}	
//added for adm1032 test
/*
BYTE ReadSMBUSDataWithExtraClocks(BYTE DevAddr)
{
BYTE TempVal;

	while (I2CS & bmSTOP);	//wait for previous transaction to end
	I2CS |= bmSTART;		//set start
	I2DAT = (DevAddr << 1) | 1;	//set device address + read bit
    while((I2CS & 1) == 0);	//wait for DONE
	TempVal = I2DAT;		//reading this starts the 9 read clocks
	while((I2CS & 1) == 0);	//wait for DONE
	I2CS |= bmLASTRD;		//set last-read bit
	TempVal = I2DAT;		//reading this starts the 9 read clocks
	while((I2CS & 1) == 0);	//wait for DONE
	I2CS |= bmSTOP;			//stop transaction
	return(TempVal);	
}
*/

void WriteSWITCHData(BYTE DevAddr, BYTE DataOut)
{

	while (I2CS & bmSTOP);	//wait for previous transaction to end
	I2CS |= bmSTART;		//set start
	I2DAT = (DevAddr << 1);	//set device address + write bit
	while((I2CS & 1) == 0);	//wait for DONE
	I2DAT = DataOut;		//set data 
	while((I2CS & 1) == 0);	//wait for DONE
	I2CS |= bmSTOP;
}

BYTE ReadSWITCHData(BYTE DevAddr)
{
BYTE TempVal;

	while (I2CS & bmSTOP);	//wait for previous transaction to end
	I2CS |= bmSTART;		//set start
	I2DAT = (DevAddr << 1) | 1;	//set device address + read bit
    while((I2CS & 1) == 0);	//wait for DONE
	I2CS |= bmLASTRD;		//set last-read bit
	TempVal = I2DAT;		//reading this starts the 9 read clocks
	while((I2CS & 1) == 0);	//wait for DONE
	I2CS |= bmSTOP;			//stop transaction
	return(I2DAT);	
}	

//-----------------------------------------------------------------------------
// USB Interrupt Handlers
//   The following functions are called by the USB interrupt jump table.
//-----------------------------------------------------------------------------

// Setup Data Available Interrupt Handler
void ISR_Sudav(void) interrupt 0
{
   GotSUD = TRUE;            // Set flag
   EZUSB_IRQ_CLEAR();
   USBIRQ = bmSUDAV;         // Clear SUDAV IRQ
}

// Setup Token Interrupt Handler
void ISR_Sutok(void) interrupt 0
{
   EZUSB_IRQ_CLEAR();
   USBIRQ = bmSUTOK;         // Clear SUTOK IRQ
}

void ISR_Sof(void) interrupt 0
{
   EZUSB_IRQ_CLEAR();
   USBIRQ = bmSOF;            // Clear SOF IRQ
}

void ISR_Ures(void) interrupt 0
{
   // whenever we get a USB reset, we should revert to full speed mode
   pConfigDscr = pFullSpeedConfigDscr;
   ((CONFIGDSCR xdata *) pConfigDscr)->type = CONFIG_DSCR;
   pOtherConfigDscr = pHighSpeedConfigDscr;
   ((CONFIGDSCR xdata *) pOtherConfigDscr)->type = OTHERSPEED_DSCR;
   
   EZUSB_IRQ_CLEAR();
   USBIRQ = bmURES;         // Clear URES IRQ
}

void ISR_Susp(void) interrupt 0
{
   Sleep = TRUE;
   EZUSB_IRQ_CLEAR();
   USBIRQ = bmSUSP;
}

void ISR_Highspeed(void) interrupt 0
{
   if (EZUSB_HIGHSPEED())
   {
      pConfigDscr = pHighSpeedConfigDscr;
      ((CONFIGDSCR xdata *) pConfigDscr)->type = CONFIG_DSCR;
      pOtherConfigDscr = pFullSpeedConfigDscr;
      ((CONFIGDSCR xdata *) pOtherConfigDscr)->type = OTHERSPEED_DSCR;
   }

   EZUSB_IRQ_CLEAR();
   USBIRQ = bmHSGRANT;
}
void ISR_Ep0ack(void) interrupt 0
{
}
void ISR_Stub(void) interrupt 0
{
}
void ISR_Ep0in(void) interrupt 0
{
}
void ISR_Ep0out(void) interrupt 0
{
}
void ISR_Ep1in(void) interrupt 0
{
}
void ISR_Ep1out(void) interrupt 0
{
}
void ISR_Ep2inout(void) interrupt 0
{
}
void ISR_Ep4inout(void) interrupt 0
{
}
void ISR_Ep6inout(void) interrupt 0
{
}
void ISR_Ep8inout(void) interrupt 0
{
}
void ISR_Ibn(void) interrupt 0
{
}
void ISR_Ep0pingnak(void) interrupt 0
{
}
void ISR_Ep1pingnak(void) interrupt 0
{
}
void ISR_Ep2pingnak(void) interrupt 0
{
}
void ISR_Ep4pingnak(void) interrupt 0
{
}
void ISR_Ep6pingnak(void) interrupt 0
{
}
void ISR_Ep8pingnak(void) interrupt 0
{
}
void ISR_Errorlimit(void) interrupt 0
{
}
void ISR_Ep2piderror(void) interrupt 0
{
}
void ISR_Ep4piderror(void) interrupt 0
{
}
void ISR_Ep6piderror(void) interrupt 0
{
}
void ISR_Ep8piderror(void) interrupt 0
{
}
void ISR_Ep2pflag(void) interrupt 0
{
}
void ISR_Ep4pflag(void) interrupt 0
{
}
void ISR_Ep6pflag(void) interrupt 0
{
}
void ISR_Ep8pflag(void) interrupt 0
{
}
void ISR_Ep2eflag(void) interrupt 0
{
}
void ISR_Ep4eflag(void) interrupt 0
{
}
void ISR_Ep6eflag(void) interrupt 0
{
}
void ISR_Ep8eflag(void) interrupt 0
{
}
void ISR_Ep2fflag(void) interrupt 0
{
}
void ISR_Ep4fflag(void) interrupt 0
{
}
void ISR_Ep6fflag(void) interrupt 0
{
}
void ISR_Ep8fflag(void) interrupt 0
{
}
void ISR_GpifComplete(void) interrupt 0
{
}
void ISR_GpifWaveform(void) interrupt 0
{
}