cy7c68013uart(串口)介绍及示例代码.pdf

Cy7c68013 uart 示例代码 #include ..\inc\fx2.h #include ..\inc\fx2regs.h BYTE temp_data; BYTE flag; void myputchar(BYTE source); void myprintf(const char *str); void SerialPort_Init(void) { TMOD = (TMOD 0x0F) | 0x20; // 定时器1 工作方式2，自动重载 CKCON |= 0x10; //T1M = CLKOUT/4 EICON |= 0x80; //设置SMOD1=1，波特率加倍 SCON1 = 0x50; //串行口1 工作方式1，10 位异步收发，REN=0，允许接收。RI1=0，TI1=0 TH1 = 0xB2; //定时器1 的初值 ES1 = 1; //允许串口1 中断 TR1 = 1; EA = 1; } char mygetchar(void) { flag = 0; while(!flag); return (char)temp_data; } void Serial_send_char(BYTE source) { SBUF1 = source; while(TI1 == 0); TI1 = 0; } void myputchar(BYTE source) { if(source == \b) { Serial_send_char(\b); Serial_send_char( ); Serial_send_char(\b); }else{ Serial_send_char(source); } } void myprintf(const char *str) { while(*str != \0){ myputchar(*str); str++; } } //打印十六进制 数 void putx(unsigned char x) { char temp; myputchar(0); myputchar(x); temp = (x4) 0xF; if(temp9) temp = A - 10 + temp; else temp = 0 + temp; myputchar(temp); temp = x 0xF; if(temp9) temp = A - 10 + temp; else temp = 0 + temp; myputchar(temp); } //打印十进制数 void putu8(unsigned char x) { unsigned char temp; temp = x/100; myputchar(0+temp); x = x%100; temp = x/10; myputchar(0+temp); temp = x%10; myputchar(0+temp); } void Serial_Interrupt1() interrupt 7 {