f326_usb0_uart.#2

基于F326单片机的RS232转USB程序

//-----------------------------------------------------------------------------
// F326_USB_Uart.c
//-----------------------------------------------------------------------------
//
//
#include "c8051F326.h"
#include "F326_USB0_Touch.h"
#include "F326_USB0_Register.h"
#include "F326_USB0_InterruptServiceRoutine.h"

unsigned char bReceiveCount = 0;
unsigned char UartDataOK=0;
unsigned char Uart_Buffer[10];

WORD Map_Buffer[2];
/*
// ----------------------------------------------------------------------------
// Uart0Send
// ----------------------------------------------------------------------------
//
// Return Value - None
// Parameters - Dbyte
//
// UART0发送一个字节
//
// ----------------------------------------------------------------------------
void Uart0Send(unsigned char Dbyte)
{
	int i;
	TI0=0;
	SBUF0=Dbyte;
	for(i=0;i<5000;i++)
	{
		if(TI0==1)break;
	}
}

// ----------------------------------------------------------------------------
// Uart0SendString
// ----------------------------------------------------------------------------
//
// Return Value - None
// Parameters - *StrHead,Number
//
// UART0发送一组数据
//
// ----------------------------------------------------------------------------
void Uart0SendString(unsigned char *StrHead,unsigned char Number)
{
	unsigned char n;
	for(n=0;n<Number;n++)
	{
		Uart0Send(StrHead[n]);
	}
}

*/

// ----------------------------------------------------------------------------
// UART0_ISR
// ----------------------------------------------------------------------------
//
// Return Value - None
// Parameters - None
//
//
//
// ----------------------------------------------------------------------------
void UART0_ISR (void) interrupt 4 {
	if(RI0){
		RI0 = 0;
		Uart_Buffer[bReceiveCount]=SBUF0;

		if(bReceiveCount==9)
		{

            unsigned char PowerStatus;

			POLL_READ_BYTE(POWER, PowerStatus);
			if(PowerStatus==0x3)
			{
				POLL_WRITE_BYTE(POWER, 0x4);

				POLL_WRITE_BYTE(POWER, 0x1);
				return;	
			}

        	bReceiveCount=0; 

			if(Uart_Buffer[0]==0x55&&Uart_Buffer[1]==0x54)
			{
			    // X,Y data to Map_Buffer,Mapped in In_Report()
                Map_Buffer[0].c[0]=Uart_Buffer[4];
                Map_Buffer[0].c[1]=Uart_Buffer[3];
				Map_Buffer[1].c[0]=Uart_Buffer[6];
                Map_Buffer[1].c[1]=Uart_Buffer[5];
              
			    UartDataOK=1;

                // Send data to PC by USB
   	            //SendPacket (0);
			}
		}
		else
		   bReceiveCount++;
	}
	if(TI0)
	{
		TI0=0;
	}
}