STC8A8K64D4，多串口通信的 .c和.h文件

#include "uart.h" volatile unsigned char U1_Rec_data_buff[MAX_L]; //串口1接收缓存区 volatile unsigned short T1 = 0; //超时计时 volatile unsigned char U1_L_Temp = 0; //接收长度缓冲 volatile unsigned char U1_L = 0; //接收长度 volatile unsigned char U1_Over = 0; //接收完成标志位 volatile unsigned char U2_Rec_data_buff[1024]; volatile unsigned short U2_L_Temp = 0; //接收长度缓冲 volatile unsigned char U3_Rec_data_buff[MAX_u2_U4]; volatile unsigned char U3_L_Temp = 0; //接收长度缓冲 bit S2CONbusy; bit S3CONbusy; bit S4CONbusy; void UartInit(void) //9600bps@24.000MHz //与PC通信 9600 { SCON = 0x50; //8位数据,可变波特率 AUXR |= 0x40; //定时器1时钟为Fosc,即1T AUXR &= 0xFE; //串口1选择定时器1为波特率发生器 TMOD &= 0x0F; //设定定时器1为16位自动重装方式 TL1 = 0x8F; //设定定时初值 TH1 = 0xFD; //设定定时初值 ET1 = 0; //禁止定时器1中断 TR1 = 1; //启动定时器1 ES = 1; EA = 1; } void Uart3Init(void) //115200bps@24.000MHz //DALI串口 115200 { P5M0=0x02; P5M1=0x00; P_SW2 = 0x02;//RX->P5.0 TX->P5.1 // S3CON = 0x10; //8位数据,可变波特率 // S3CON |= 0x40; //串口3选择定时器2为波特率发生器 S3CON = 0x50; T4T3M |= 0x02; //定时器3时钟为Fosc,即1T T3L = 0xCC; //设定定时初值 T3H = 0xFF; //设定定时初值 T4T3M |= 0x08; //启动定时器3 IE2 |= 0x08; ES = 1; EA =1; U3_L_Temp = 0; } void Uart2Init(void) // //115200bps@24.000MHz //产品串口 115200 { //RX->P1.0 TX->P1.1 //新板子需要配置双向模式 P1M0=0x02; P1M1=0x00; S2CON = 0x50; AUXR |= 0x04; // 启动定时器 T2L = 0xCC; //65536-11059200/115200/4=0FFE8H T2H = 0xFF; AUXR |= 0x10; // 启动定时器 IE2 |= 0x01; // 使能串口中断 ES = 1; EA = 1; U2_L_Temp = 0; } void Uart4Init(void) //115200bps@24.000MHz debug { P0M0=0x00; P0M1=0x00; S4CON = 0x50; //8位数据,可变波特率 //S4CON |= 0x40; //串口4选择定时器4为波特率发生器 T4T3M |= 0x20; //定时器时钟1T模式 T4L = 0xCC; //设置定时初始值 T4H = 0xFF; //设置定时初始值 T4T3M |= 0x80; //定时器4开始计时 IE2 |= 0x10; ES = 1; EA = 1; } /*=================================*/ /* 串口1发送字节函数 */ /*=================================*/ void U1_Sendbyte(unsigned char sendcom) { ACC=sendcom; SBUF = ACC; while(!TI); TI = 0; } void U3_Sendbyte(unsigned char sendcom) { U3_L_Temp = 0; while (S3CONbusy); S3CONbusy=1; S3BUF=sendcom; } void U2_Sendbyte(unsigned char sendcom) { U2_L_Temp = 0; while(S2CONbusy); S2CONbusy=1; S2BUF = sendcom; } void U4_Sendbyte(unsigned char sendcom) { while(S4CONbusy); S4CONbusy=1; S4BUF=sendcom; } char putchar(char ch)//printf重定向 { while(S4CONbusy); S4CONbusy=1; S4BUF=ch; return ch; } void U3_inter() interrupt 17 //using 1 //U3中断程序 { unsigned char temp; if(S3CON & S3CON^0) { S3CON &= 0x50;//坑爹玩意,需要对整个地址赋初始值 temp = S3BUF; if(U3_L_Temp<MAX_u2_U4) { U3_Rec_data_buff[U3_L_Temp++]= temp; } else { U3_L_Temp = 0; U3_Rec_data_buff[U3_L_Temp++]= temp; } } if (S3CON & S3CON^1) { S3CON &= 0x50;//坑爹玩意,需要对整个地址赋初始值 S3CONbusy=0; } } void U2_inter() interrupt 8 //using 1 { unsigned char temp; if(S2CON & S2CON^0) { S2CON &=0x50;//坑爹玩意,需要对整个地址赋初始值 temp = S2BUF; if(U2_L_Temp<1024) { U2_Rec_data_buff[U2_L_Temp++]=temp; } else { U2_L_Temp = 0; U2_Rec_data_buff[U2_L_Temp++]= temp; } } if (S2CON & S2CON^1) { S2CON &= 0x50;//坑爹玩意,需要对整个地址赋初始值 S2CONbusy=0; } } void U4_inter() interrupt 18 //using 1 { if (S4CON & S4CON^1) { S4CON &= 0x50;//坑爹玩意,需要对整个地址赋初始值 S4CONbusy=0; } } void U1_inter() interrupt 4 using 1//using 0 //U1中断程序 { static unsigned char first=1; unsigned char temp; if(RI) //中断是否由接收引起 { // P00=!P00; if((first==1)||(start==1)) { first = 0; start = 0; start_time=1;//开启超时计时 } RI = 0; T1 = 0; //复位超时计时 temp = SBUF; if(U1_L_Temp<MAX_L) { U1_Rec_data_buff[U1_L_Temp++] = temp; } else { U1_L_Temp=0; U1_Rec_data_buff[U1_L_Temp++] = temp; } } }