单片机向主机发送字符串.rar

/*************** writer:shopping.w ******************/ #include <reg52.h> #define uint unsigned int #define uchar unsigned char void Delay(uint x) { uchar i; while(x--) { for(i=0;i<120;i++); } } void putc_to_SerialPort(uchar c) { SBUF = c; while(TI == 0); TI = 0; } void puts_to_SerialPort(uchar *s) { while(*s != '\0') { putc_to_SerialPort(*s); s++; Delay(5); } } void main() { uchar c = 0; SCON = 0x40; TMOD = 0x20; PCON = 0x00; TH1 = 0xfd; TL1 = 0xfd; TI = 0; TR1 = 1; Delay(200); puts_to_SerialPort("Receiving From 8051...\r\n"); puts_to_SerialPort("------------------------------\r\n"); Delay(50); while(1) { putc_to_SerialPort(c+'A'); Delay(100); putc_to_SerialPort(' '); //这个地方‘’间只能有且必须有一个空格 Delay(100); if(c==25) { puts_to_SerialPort("\r\n---------------------------\r\n"); Delay(100); } c = (c+1)%26; if(c%10==0) { puts_to_SerialPort("\r\n"); Delay(100); } } }