CCS RS232

code.c

#include <18F4520.h>
#FUSES NOWDT                    //No Watch Dog Timer
#FUSES WDT128                   //Watch Dog Timer uses 1:128 Postscale
#FUSES HS                       //High speed Osc (> 4mhz FOR PCM/PCH) (>10mhz for PCD)
#FUSES NOBROWNOUT               //No brownout reset
#FUSES NOLVP                    //No low voltage prgming, B3(PIC16) or B5(PIC18) used FOR I/O
#FUSES NOXINST                  //Extended set extension and Indexed Addressing mode disabled (Legacy mode)
#use delay(clock=12000000)

#use rs232(FORCE_SW,baud=4800,parity=N,xmit=PIN_B3,rcv=PIN_B4,bits=8,stream=UART_MEM,errors)
#use rs232(UART1,baud=9600,parity=N,stream=UART_CUNG,errors)

#include <string.h>
char c ,d;
int i=20;
char x='A';
char chuoi[]="Xin chao";

void xuat(VOID)
{
   fputc ('C', UART_CUNG);
   fputc (13, UART_CUNG);
   fputs ("Huong dan giao tiep rs 232Cung", UART_CUNG) ;

   delay_ms (1000);
}
void xuat2(VOID)
{
   fputc ('M',UART_MEM);
   fputc (13,UART_MEM);
   fputs ("Xuat gia tri ra cong RS232 Mem", UART_MEM) ;

   delay_ms (1000);
}

void test_doc(VOID)
{
   c = fgetc (UART_CUNG) ;
   IF (c == 'a')
   {
      output_high (PIN_D0);
   }

   ELSE
   {
      output_low (PIN_D0);
   }

   d = getc ();
   IF (c == 'b')
   {
      output_high (PIN_D1);
   }

   ELSE
   {
      output_low (PIN_D1);
   }
}

void main()
{
   setup_timer_3 (T3_DISABLED|T3_DIV_BY_1);
   WHILE (TRUE)
   {
  // fprintf(UART_CUNG,"Chuoi xuat boi-frintf-\n\r");
  // fprintf(UART_MEM,"Chuoi xuat boi\"frintf\"\n\r");
  // delay_ms(1000);
   fprintf(UART_CUNG,"CUNG_Gia tri cua i=%u \n\r",i);
   fprintf(UART_MEM,"MEM_Gia tri cua x =%c \n\r",x);
   fputc ('D',UART_MEM);
   //fprintf(UART_CUNG,"CUNG_Gia tri cua x=%c \n\r",chuoi[4]);
   fprintf(UART_MEM,"MEM_Gia tri cua chuoi =%s \n\r",chuoi);
    delay_ms(1000);
   
   }

}