問題已解決...抱歉...佔了版面......

下面是一段RS-232的程式
會一直從RS-232丟出123然後當按下s就暫停 按下o就繼續
不過現在有個問題 就是build ok 程式也donwload了
可是利用終端機來開啟RS-232接收資料...
終端機畫面都沒東西(123)丟出來......
不知道是那邊有問題....
不曉得有沒有高手可以先幫我看一下程式是不是那邊不對?
PS. 設定是 N,8,1 9600


#include <p18f2221.h>
#include <usart.h>

#pragma config OSC=HS, BOR=OFF, BORV=2, PWRT=ON, WDT=OFF, LVP=OFF

unsigned char RX_Temp;

void Rx_isr(void);

struct Flag{
unsigned TxD :1;
}FLAGbits;

#pragma code high_vector=0x08
void high_interrupt(void)
{
_asm GOTO Rx_isr _endasm
}
#pragma code

#pragma interrupt Rx_isr
void Rx_isr(void)
{
PIR1bits.RCIF=0;
RX_Temp = ReadUSART();
if(RX_Temp=='o') FLAGbits.TxD=0;
if(RX_Temp=='s') FLAGbits.TxD=1;
}

void main()
{
OpenUSART(USART_TX_INT_OFF &
USART_RX_INT_ON &
USART_ASYNCH_MODE &
USART_EIGHT_BIT &
USART_CONT_RX &
USART_BRGH_HIGH,
64);

PIR1bits.RCIF=0;
IPR1bits.RCIP=1;
RCONbits.IPEN=1;
PIE1bits.RCIE=1;
INTCONbits.GIEH=1;

FLAGbits.TxD=0;

while(1){
while(FLAGbits.TxD==0){
WriteUSART(0x31);
while(BusyUSART());
WriteUSART(0x32);
while(BusyUSART());
WriteUSART(0x33);
while(BusyUSART());
WriteUSART(0x0D);
while(BusyUSART());
}
}
}