LPC2119 uart1不进中断

只看该作者 · 2011-10-13 14:47

高手帮忙看看啊，一直不进中断，发送的信号有，接收的信号也有

#include "uart1_display.h"
#define FPCLK    2764800L
UARTMODE uart1_set;
uint8 num_uart1_receive[50];
uint8 num1_receive;
uint8 receive_buf[50];          //
/*******************************************/
uint8 UART1_Init(uint32 baud,UARTMODE set)
{
  uint32  bak;
  /*????*/
  if((0==baud)||(baud>115200))return(0);
  if((set.datab<5)||(set.datab>8))return(0);
  if((0==set.stopb)||(set.stopb>2))return(0);
  if(set.parity>4)return(0);
  PINSEL0 |= (0x01<<16|0x01<<18);       //
  PINSEL1 |= 0x00000000;

  /*???????*/
  U1LCR=0x80;                      //DLAB??1
  bak=(FPCLK>>4)/baud;
  U1DLM=bak>>8;
  U1DLL=bak&0xff;
  /*??????*/
  bak=set.datab-5;                   //?????
  if(2==set.stopb)bak|=0x04;       //?????2????
  if(0!=set.parity){set.parity=set.parity-1;bak|=0x08;}
  bak|=set.parity<<4;                //??????
  U1LCR=bak;
return(1);
}
/*******************************************/
void UART1_Set(uint32 baud)
  {
uart1_set.datab=8;             //8????
uart1_set.stopb=1;             //1????
uart1_set.parity=0;             //??????
UART1_Init(baud,uart1_set);    //???????
U1FCR=0x81;                   //??FIFO,???????8??
U1IER=0x01;                      //??RBR??,?????
/*??????*/
VICIntSelect=0x00000000;       //???????IRQ??
VICVectCntl0=0x27;             //UART0???????IRQ Slot0,??????
VICVectAddr0=(int)IRQ_UART1;    //??UART0????
VICIntEnable=0x00000080;       //??UART0??
}
/*******************************************/
void __irq IRQ_UART1(void)
{

uint8 i;
if((U1IIR&0X0F)==0X04)                //u0 interrupt identification register
{
num_uart1_receive[num1_receive++] = U1RBR;
if(num1_receive==7)
   num1_receive=0;
      }
  VICVectAddr = 0x00;
}

/******************************************/
void Uart1_Send_Byte(uint8 data)
{
IO1SET|= (0X01<<4);                //
U1THR  = data;                      //
while( (U1LSR&0x40)==0);       //
IO1SET&=~(0X01<<4);                //
}
/******************************************/
void UART1_Operate(uint8 *p)
{
uint8 i;
for(i=8;i>0;i--)
  Uart1_Send_Byte(*(p++));
}
/******************************************/
void Display_Hand(void)
{
uint8 hand[8]={0xaa,0x00,0xcc,0x33,0xc3,0x3c};
UART1_Operate(hand);
}
/*************************************************/
void Sensor_Data_Display(uint8 num,uint8 *p,uint16 x,uint16 y)
{
uint8 i;
uint8 data[50];
uint8 code1[6],code2[4];
for(i=0;i<num;i++)
  {
data[i]=p[i];
}
code1[0] = 0xaa;                      //
code1[1] = 0x6f;                      //
code1[2] = (uint8)x>>8;                      //
code1[3] = (uint8)x;
code1[4] = (uint8)y>>8;                      //
code1[5] = (uint8)y;
UART1_Operate(code1);
UART1_Operate(data);
code2[0] = 0xcc;                      //
code2[1] = 0x33;
code2[2] = 0xc3;
code2[3] = 0x3c;
UART1_Operate(code2);
}