For UART PC to PC Serial Communication: Go on Project -> Right Click -> Properties-> Simulation-> Option Categories->Uart1 IO Option-> Enable It
Program:
/*Baud Rate GENERATION
* n => required baudrate
* BRGH = 0
* SPBRG = (Fosc / (64 * n)) -1
* For 9600 baudrate, SPBRG ~=77
*/
#include<xc.h>
#define Fosc 48000000UL
void InitUART(unsigned int baudrate)
{
TRISCbits.RC6 = 0; //TX pin set as output
//RX pin set as input
TRISCbits.RC7 = 1;
SPBRG = (unsigned char)(((Fosc /64)/baudrate)-1);
BAUDCON = 0b00000000; //Non-inverted data; 8-bit baudrate generator
TXSTA = 0b00100000; //Asynchronous 8-bit; Transmit enabled; Low speed baudrate select
RCSTA = 0b10010000; //Serial port enabled; 8-bit data; single receive enabled
}
void main(void)
{
InitUART(9600);
char a[8]="\nwelcome";
for(int i=0;i<8;i++)
{
while(TXIF==0); // Wait till the transmitter register becomes empty
TXIF=0;
TXREG=a[i];
}
do
{
while(RCIF==0); // Wait till the data is received
RCIF=0;
TXREG=RCREG;
}while(1);
}
Output:
Fig: Before Sending Message
Fig: Received Message:
