宏定义与预处理
#include<iocc2530.h> #include<string.h> #define uchar unsigned char #define uint unsigned int #define LED1 P1_0 #define LED2 P1_5 #define LED3 P1_4 #define LED4 P1_3 uchar c; uchar temp; uchar Data[30]={0}; uint count=0;
初始化引脚
void Init_LED() { P1SEL &=~0X39; P1DIR |= 0X39; P1 &=~ 0X39; }
初始化串口
void Init_UART() { CLKCONCMD &= 0x80; U0CSR |= 0X80; P0SEL |= 0X0C; U0GCR =10; U0BAUD =216; U0CSR |= 0X40; URX0IF = 0; UTX0IF = 0; IEN0 |= 0X84; }
串口数据控件led灯
void UART_Control_Led() { if(Data[0]=='d'||Data[0]=='A') { if(Data[0]=='d') { if(Data[1]=='1') LED1 =1; else if(Data[1]=='2') LED2 =1; else LED1=LED2=LED3=LED4=0; } if(Data[0]=='A') { if(Data[1]=='0') LED1 = LED2 = 1; else if(Data[1]=='1') LED1 = LED2 = 0; else LED1=LED2=LED3=LED4=0; } } }
数据
void Send_Data(uchar *Data,uint len) { int j; for(j=0;j<len;j++) { U0DBUF = *Data++; while(UTX0IF == 0); UTX0IF = 0; } UART_Control_Led(); }
中断
#pragma vector=URX0_VECTOR __interrupt void UART0_ISR(void) { URX0IF=0; temp = U0DBUF; if((temp != '#')&& count < 30) { Data[count++]=temp; temp=0; } else Send_Data(Data,count); }
主函数
main() { Init_LED(); Init_UART(); while(1) { } }
