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while(1){
if( UART_Buffer[0]== 0xAA && UART_Buffer[1] == 0x78
&& UART_Buffer[4] == 0xCC && UART_Buffer[5] == 0x33
&& UART_Buffer[6] == 0xC3 && UART_Buffer[7] == 0x3C)
{
switch(UART_Buffer[3])
{
case 0x02: continue_flag = 0 ;break;
case 0x03: continue_flag = 1 ;break;
default: break;
}
UART_Buffer_Size = 0 ;
}
if(UART_Buffer_Size==UART_BUFFERSIZE)
{
UART_Buffer_Size=0;
}
if(continue_flag)
{
SendBufferDat(flush,sizeof(flush));
SendBufferDat(end_pic,sizeof(end_pic));
Delay_ms(100);
}
};
#define UART_BUFFERSIZE 64
unsigned char xdata UART_Buffer[UART_BUFFERSIZE];
unsigned char UART_Buffer_Size = 0;
unsigned char UART_Input_First = 0;
unsigned char Byte;
void UART0_Init (void)
{
SCON0 = 0x10;
TH1 = -(SYSCLK/BAUDRATE/2);
CKCON &= ~0x0B;
CKCON |= 0x08;
TL1 = TH1; // init Timer1
TMOD &= ~0xf0; // TMOD: timer 1 in 8-bit autoreload
TMOD |= 0x20;
TR1 = 1; // START Timer1
TI0 = 1; // Indicate TX0 ready
REN0 = 1 ;
IP |= 0x10;
ES0 = 1;
}
void send_byte(unsigned char i) //串口发送一个字节
{
SendbufferOver=0;
SBUF0=i;
while (SendbufferOver==0);
SendbufferOver=0 ;
}
void SendBufferDat(unsigned char *base, unsigned char size)
{
unsigned char m;
for(m=0;m<size;m++)
{
send_byte(*base);
base++;
}
}
void UART_ISR(void) interrupt 4
{
if (RI0 == 1)
{
if( UART_Buffer_Size == 0) { // If new word is entered
UART_Input_First = 0; }
RI0 = 0; // Clear interrupt flag
Byte = SBUF0;
if (UART_Buffer_Size < UART_BUFFERSIZE)
{
UART_Buffer[UART_Input_First] = Byte; // Store in array
UART_Buffer_Size++; // Update array's size
UART_Input_First++; // Update counter
}
}
if(TI0 == 1){
TI0 = 0 ;
SendbufferOver = 1 ;
}
}